diff --git a/.travis.yml b/.travis.yml index bef539e7..43efa34a 100644 --- a/.travis.yml +++ b/.travis.yml @@ -28,6 +28,9 @@ jobs: - go test -v -coverprofile=coverage.txt -covermode=atomic ./... after_success: - bash <(curl -s https://codecov.io/bash) + - name: "Main Tests with crdt consensus" + script: + - go test -v . -consensus crdt - name: "Main Tests with stateless tracker" script: - go test -v . -tracker stateless diff --git a/api/ipfsproxy/ipfsproxy_test.go b/api/ipfsproxy/ipfsproxy_test.go index 8c8c79ad..3fb3cf0d 100644 --- a/api/ipfsproxy/ipfsproxy_test.go +++ b/api/ipfsproxy/ipfsproxy_test.go @@ -25,7 +25,7 @@ func init() { } func testIPFSProxyWithConfig(t *testing.T, cfg *Config) (*Server, *test.IpfsMock) { - mock := test.NewIpfsMock() + mock := test.NewIpfsMock(t) nodeMAddr, _ := ma.NewMultiaddr(fmt.Sprintf("/ip4/%s/tcp/%d", mock.Addr, mock.Port)) proxyMAddr, _ := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/0") diff --git a/api/rest/client/client_test.go b/api/rest/client/client_test.go index 9db22077..24121a08 100644 --- a/api/rest/client/client_test.go +++ b/api/rest/client/client_test.go @@ -267,7 +267,7 @@ func TestProxyAddress(t *testing.T) { func TestIPFS(t *testing.T) { ctx := context.Background() - ipfsMock := test.NewIpfsMock() + ipfsMock := test.NewIpfsMock(t) defer ipfsMock.Close() proxyAddr, err := ma.NewMultiaddr( diff --git a/api/rest/restapi.go b/api/rest/restapi.go index 5ec4e7cb..eaf1e532 100644 --- a/api/rest/restapi.go +++ b/api/rest/restapi.go @@ -20,12 +20,6 @@ import ( "sync" "time" - "github.com/rs/cors" - - "go.opencensus.io/plugin/ochttp" - "go.opencensus.io/plugin/ochttp/propagation/tracecontext" - "go.opencensus.io/trace" - "github.com/ipfs/ipfs-cluster/adder/adderutils" types "github.com/ipfs/ipfs-cluster/api" @@ -41,6 +35,10 @@ import ( peer "github.com/libp2p/go-libp2p-peer" ma "github.com/multiformats/go-multiaddr" manet "github.com/multiformats/go-multiaddr-net" + "github.com/rs/cors" + "go.opencensus.io/plugin/ochttp" + "go.opencensus.io/plugin/ochttp/propagation/tracecontext" + "go.opencensus.io/trace" ) func init() { diff --git a/api/types.go b/api/types.go index 0e2a5856..4d3ccd44 100644 --- a/api/types.go +++ b/api/types.go @@ -452,8 +452,17 @@ type PinOptions struct { Metadata map[string]string `json:"metadata" codec:"m,omitempty"` } -// Equals returns true if two PinOption objects are equivalent. +// Equals returns true if two PinOption objects are equivalent. po and po2 may +// be nil. func (po *PinOptions) Equals(po2 *PinOptions) bool { + if po == nil && po2 != nil || po2 == nil && po != nil { + return false + } + + if po == po2 { // same as pin.Equals() + return false + } + if po.ReplicationFactorMax != po2.ReplicationFactorMax { return false } @@ -692,11 +701,19 @@ func (pin *Pin) ProtoUnmarshal(data []byte) error { // Equals checks if two pins are the same (with the same allocations). // If allocations are the same but in different order, they are still // considered equivalent. +// pin or pin2 may be nil. If both are nil, Equals returns false. func (pin *Pin) Equals(pin2 *Pin) bool { if pin == nil && pin2 != nil || pin2 == nil && pin != nil { return false } + if pin == pin2 { + // ask @lanzafame why this is not true + // in any case, this is anomalous and we should + // not be using this with two nils. + return false + } + if !pin.Cid.Equals(pin2.Cid) { return false } diff --git a/cluster.go b/cluster.go index 82110b5c..d917e603 100644 --- a/cluster.go +++ b/cluster.go @@ -17,17 +17,16 @@ import ( "github.com/ipfs/ipfs-cluster/state" "github.com/ipfs/ipfs-cluster/version" - ocgorpc "github.com/lanzafame/go-libp2p-ocgorpc" - - "go.opencensus.io/trace" - cid "github.com/ipfs/go-cid" + ds "github.com/ipfs/go-datastore" rpc "github.com/libp2p/go-libp2p-gorpc" host "github.com/libp2p/go-libp2p-host" dht "github.com/libp2p/go-libp2p-kad-dht" peer "github.com/libp2p/go-libp2p-peer" - routedhost "github.com/libp2p/go-libp2p/p2p/host/routed" ma "github.com/multiformats/go-multiaddr" + + ocgorpc "github.com/lanzafame/go-libp2p-ocgorpc" + trace "go.opencensus.io/trace" ) // ReadyTimeout specifies the time before giving up @@ -44,10 +43,12 @@ type Cluster struct { ctx context.Context cancel func() - id peer.ID - config *Config - host host.Host - dht *dht.IpfsDHT + id peer.ID + config *Config + host host.Host + dht *dht.IpfsDHT + datastore ds.Datastore + rpcServer *rpc.Server rpcClient *rpc.Client peerManager *pstoremgr.Manager @@ -55,7 +56,6 @@ type Cluster struct { consensus Consensus apis []API ipfs IPFSConnector - state state.State tracker PinTracker monitor PeerMonitor allocator PinAllocator @@ -84,11 +84,12 @@ type Cluster struct { // if you need to wait until the peer is fully up. func NewCluster( host host.Host, + dht *dht.IpfsDHT, cfg *Config, + datastore ds.Datastore, consensus Consensus, apis []API, ipfs IPFSConnector, - st state.State, tracker PinTracker, monitor PeerMonitor, allocator PinAllocator, @@ -117,32 +118,17 @@ func NewCluster( // in daemon.go. peerManager := pstoremgr.New(host, cfg.GetPeerstorePath()) - idht, err := dht.New(ctx, host) - if err != nil { - cancel() - return nil, err - } - - // Let the DHT be maintained regularly - err = idht.Bootstrap(ctx) - if err != nil { - cancel() - return nil, err - } - - rHost := routedhost.Wrap(host, idht) - c := &Cluster{ ctx: ctx, cancel: cancel, id: host.ID(), config: cfg, - host: rHost, - dht: idht, + host: host, + dht: dht, + datastore: datastore, consensus: consensus, apis: apis, ipfs: ipfs, - state: st, tracker: tracker, monitor: monitor, allocator: allocator, @@ -378,7 +364,11 @@ func (c *Cluster) repinFromPeer(ctx context.Context, p peer.ID) { logger.Warning(err) return } - list := cState.List(ctx) + list, err := cState.List(ctx) + if err != nil { + logger.Warning(err) + return + } for _, pin := range list { if containsPeer(pin.Allocations, p) { _, ok, err := c.pin(ctx, pin, []peer.ID{p}, []peer.ID{}) // pin blacklisting this peer @@ -435,6 +425,10 @@ This might be due to one or several causes: } // Cluster is ready. + + // Bootstrap the DHT now that we possibly have some connections + c.dht.Bootstrap(c.ctx) + peers, err := c.consensus.Peers(ctx) if err != nil { logger.Error(err) @@ -512,7 +506,8 @@ func (c *Cluster) Shutdown(ctx context.Context) error { } } - // We left the cluster or were removed. Destroy the Raft state. + // We left the cluster or were removed. Remove any consensus-specific + // state. if c.removed && c.readyB { err := c.consensus.Clean(ctx) if err != nil { @@ -550,6 +545,13 @@ func (c *Cluster) Shutdown(ctx context.Context) error { c.cancel() c.host.Close() // Shutdown all network services c.wg.Wait() + + // Cleanly close the datastore + if err := c.datastore.Close(); err != nil { + logger.Errorf("error closing Datastore: %s", err) + return err + } + c.shutdownB = true close(c.doneCh) return nil @@ -627,7 +629,7 @@ func (c *Cluster) PeerAdd(ctx context.Context, pid peer.ID) (*api.ID, error) { defer c.paMux.Unlock() logger.Debugf("peerAdd called with %s", pid.Pretty()) - // Log the new peer in the log so everyone gets it. + // Let the consensus layer be aware of this peer err := c.consensus.AddPeer(ctx, pid) if err != nil { logger.Error(err) @@ -635,6 +637,26 @@ func (c *Cluster) PeerAdd(ctx context.Context, pid peer.ID) (*api.ID, error) { return id, err } + // Send a ping metric to the new node directly so + // it knows about this one at least + m := &api.Metric{ + Name: pingMetricName, + Peer: c.id, + Valid: true, + } + m.SetTTL(c.config.MonitorPingInterval * 2) + err = c.rpcClient.CallContext( + ctx, + pid, + "Cluster", + "PeerMonitorLogMetric", + m, + &struct{}{}, + ) + if err != nil { + logger.Warning(err) + } + // Ask the new peer to connect its IPFS daemon to the rest err = c.rpcClient.CallContext( ctx, @@ -645,7 +667,7 @@ func (c *Cluster) PeerAdd(ctx context.Context, pid peer.ID) (*api.ID, error) { &struct{}{}, ) if err != nil { - logger.Error(err) + logger.Warning(err) } id := &api.ID{} @@ -775,7 +797,10 @@ func (c *Cluster) StateSync(ctx context.Context) error { } logger.Debug("syncing state to tracker") - clusterPins := cState.List(ctx) + clusterPins, err := cState.List(ctx) + if err != nil { + return err + } trackedPins := c.tracker.StatusAll(ctx) trackedPinsMap := make(map[string]int) @@ -797,13 +822,20 @@ func (c *Cluster) StateSync(ctx context.Context) error { // c. Track items which should not be local as remote for _, p := range trackedPins { pCid := p.Cid - currentPin, has := cState.Get(ctx, pCid) + currentPin, err := cState.Get(ctx, pCid) + if err != nil && err != state.ErrNotFound { + return err + } + + if err == state.ErrNotFound { + logger.Debugf("StateSync: untracking %s: not part of shared state", pCid) + c.tracker.Untrack(ctx, pCid) + continue + } + allocatedHere := containsPeer(currentPin.Allocations, c.id) || currentPin.ReplicationFactorMin == -1 switch { - case !has: - logger.Debugf("StateSync: Untracking %s, is not part of shared state", pCid) - c.tracker.Untrack(ctx, pCid) case p.Status == api.TrackerStatusRemote && allocatedHere: logger.Debugf("StateSync: Tracking %s locally (currently remote)", pCid) c.tracker.Track(ctx, currentPin) @@ -970,7 +1002,7 @@ func (c *Cluster) RecoverLocal(ctx context.Context, h cid.Cid) (pInfo *api.PinIn // of the current global state. This is the source of truth as to which // pins are managed and their allocation, but does not indicate if // the item is successfully pinned. For that, use StatusAll(). -func (c *Cluster) Pins(ctx context.Context) []*api.Pin { +func (c *Cluster) Pins(ctx context.Context) ([]*api.Pin, error) { _, span := trace.StartSpan(ctx, "cluster/Pins") defer span.End() ctx = trace.NewContext(c.ctx, span) @@ -978,7 +1010,7 @@ func (c *Cluster) Pins(ctx context.Context) []*api.Pin { cState, err := c.consensus.State(ctx) if err != nil { logger.Error(err) - return []*api.Pin{} + return nil, err } return cState.List(ctx) } @@ -998,9 +1030,9 @@ func (c *Cluster) PinGet(ctx context.Context, h cid.Cid) (*api.Pin, error) { if err != nil { return nil, err } - pin, ok := st.Get(ctx, h) - if !ok { - return pin, errors.New("cid is not part of the global state") + pin, err := st.Get(ctx, h) + if err != nil { + return nil, err } return pin, nil } @@ -1097,9 +1129,17 @@ func (c *Cluster) setupPin(ctx context.Context, pin *api.Pin) error { } existing, err := c.PinGet(ctx, pin.Cid) - if err == nil && existing.Type != pin.Type { // it exists - return fmt.Errorf("cannot repin CID with different tracking method, clear state with pin rm to proceed. New: %s. Was: %s", pin.Type, existing.Type) + if err != nil && err != state.ErrNotFound { + return err } + + if existing != nil && existing.Type != pin.Type { + msg := "cannot repin CID with different tracking method, " + msg += "clear state with pin rm to proceed. " + msg += "New: %s. Was: %s" + return fmt.Errorf(msg, pin.Type, existing.Type) + } + return checkPinType(pin) } @@ -1137,6 +1177,7 @@ func (c *Cluster) pin(ctx context.Context, pin *api.Pin, blacklist []peer.ID, pr } pin.Allocations = allocs + // Equals can handle nil objects. if curr, _ := c.PinGet(ctx, pin.Cid); curr.Equals(pin) { // skip pinning logger.Debugf("pinning %s skipped: already correctly allocated", pin.Cid) @@ -1144,9 +1185,9 @@ func (c *Cluster) pin(ctx context.Context, pin *api.Pin, blacklist []peer.ID, pr } if len(pin.Allocations) == 0 { - logger.Infof("IPFS cluster pinning %s everywhere:", pin.Cid) + logger.Infof("pinning %s everywhere:", pin.Cid) } else { - logger.Infof("IPFS cluster pinning %s on %s:", pin.Cid, pin.Allocations) + logger.Infof("pinning %s on %s:", pin.Cid, pin.Allocations) } return pin, true, c.consensus.LogPin(ctx, pin) @@ -1160,7 +1201,7 @@ func (c *Cluster) unpin(ctx context.Context, h cid.Cid) (*api.Pin, error) { logger.Info("IPFS cluster unpinning:", h) pin, err := c.PinGet(ctx, h) if err != nil { - return pin, fmt.Errorf("cannot unpin pin uncommitted to state: %s", err) + return nil, err } switch pin.Type { @@ -1482,8 +1523,11 @@ func (c *Cluster) cidsFromMetaPin(ctx context.Context, h cid.Cid) ([]cid.Cid, er list := []cid.Cid{h} - pin, ok := cState.Get(ctx, h) - if !ok { + pin, err := cState.Get(ctx, h) + if err != nil { + return nil, err + } + if pin == nil { return list, nil } diff --git a/cluster_test.go b/cluster_test.go index 1a76a692..97255bcd 100644 --- a/cluster_test.go +++ b/cluster_test.go @@ -14,10 +14,10 @@ import ( "github.com/ipfs/ipfs-cluster/allocator/ascendalloc" "github.com/ipfs/ipfs-cluster/api" "github.com/ipfs/ipfs-cluster/consensus/raft" + "github.com/ipfs/ipfs-cluster/datastore/inmem" "github.com/ipfs/ipfs-cluster/informer/numpin" "github.com/ipfs/ipfs-cluster/monitor/pubsubmon" "github.com/ipfs/ipfs-cluster/state" - "github.com/ipfs/ipfs-cluster/state/mapstate" "github.com/ipfs/ipfs-cluster/test" "github.com/ipfs/ipfs-cluster/version" @@ -138,10 +138,10 @@ type mockTracer struct { mockComponent } -func testingCluster(t *testing.T) (*Cluster, *mockAPI, *mockConnector, state.State, PinTracker) { - clusterCfg, _, _, _, consensusCfg, maptrackerCfg, statelesstrackerCfg, psmonCfg, _, _ := testingConfigs() +func testingCluster(t *testing.T) (*Cluster, *mockAPI, *mockConnector, PinTracker) { + clusterCfg, _, _, _, _, raftCfg, _, maptrackerCfg, statelesstrackerCfg, psmonCfg, _, _ := testingConfigs() - host, err := NewClusterHost(context.Background(), clusterCfg) + host, pubsub, dht, err := NewClusterHost(context.Background(), clusterCfg) if err != nil { t.Fatal(err) } @@ -149,14 +149,14 @@ func testingCluster(t *testing.T) (*Cluster, *mockAPI, *mockConnector, state.Sta api := &mockAPI{} proxy := &mockProxy{} ipfs := &mockConnector{} - st := mapstate.NewMapState() tracker := makePinTracker(t, clusterCfg.ID, maptrackerCfg, statelesstrackerCfg, clusterCfg.Peername) tracer := &mockTracer{} - raftcon, _ := raft.NewConsensus(host, consensusCfg, st, false) + store := inmem.New() + raftcon, _ := raft.NewConsensus(host, raftCfg, store, false) psmonCfg.CheckInterval = 2 * time.Second - mon, err := pubsubmon.New(host, psmonCfg) + mon, err := pubsubmon.New(psmonCfg, pubsub, raftcon.Peers) if err != nil { t.Fatal(err) } @@ -166,15 +166,16 @@ func testingCluster(t *testing.T) (*Cluster, *mockAPI, *mockConnector, state.Sta numpinCfg.Default() inf, _ := numpin.NewInformer(numpinCfg) - ReadyTimeout = consensusCfg.WaitForLeaderTimeout + 1*time.Second + ReadyTimeout = raftCfg.WaitForLeaderTimeout + 1*time.Second cl, err := NewCluster( host, + dht, clusterCfg, + store, raftcon, []API{api, proxy}, ipfs, - st, tracker, mon, alloc, @@ -185,7 +186,7 @@ func testingCluster(t *testing.T) (*Cluster, *mockAPI, *mockConnector, state.Sta t.Fatal("cannot create cluster:", err) } <-cl.Ready() - return cl, api, ipfs, st, tracker + return cl, api, ipfs, tracker } func cleanRaft() { @@ -197,13 +198,13 @@ func cleanRaft() { func testClusterShutdown(t *testing.T) { ctx := context.Background() - cl, _, _, _, _ := testingCluster(t) + cl, _, _, _ := testingCluster(t) err := cl.Shutdown(ctx) if err != nil { t.Error("cluster shutdown failed:", err) } cl.Shutdown(ctx) - cl, _, _, _, _ = testingCluster(t) + cl, _, _, _ = testingCluster(t) err = cl.Shutdown(ctx) if err != nil { t.Error("cluster shutdown failed:", err) @@ -213,16 +214,12 @@ func testClusterShutdown(t *testing.T) { func TestClusterStateSync(t *testing.T) { ctx := context.Background() cleanRaft() - cl, _, _, st, _ := testingCluster(t) + cl, _, _, _ := testingCluster(t) defer cleanRaft() defer cl.Shutdown(ctx) - err := cl.StateSync(ctx) - if err == nil { - t.Fatal("expected an error as there is no state to sync") - } c := test.Cid1 - err = cl.Pin(ctx, api.PinCid(c)) + err := cl.Pin(ctx, api.PinCid(c)) if err != nil { t.Fatal("pin should have worked:", err) } @@ -234,7 +231,11 @@ func TestClusterStateSync(t *testing.T) { // Modify state on the side so the sync does not // happen on an empty slide - st.Rm(ctx, c) + st, err := cl.consensus.State(ctx) + if err != nil { + t.Fatal(err) + } + st.(state.State).Rm(ctx, c) err = cl.StateSync(ctx) if err != nil { t.Fatal("sync with recover should have worked:", err) @@ -243,7 +244,7 @@ func TestClusterStateSync(t *testing.T) { func TestClusterID(t *testing.T) { ctx := context.Background() - cl, _, _, _, _ := testingCluster(t) + cl, _, _, _ := testingCluster(t) defer cleanRaft() defer cl.Shutdown(ctx) id := cl.ID(ctx) @@ -263,7 +264,7 @@ func TestClusterID(t *testing.T) { func TestClusterPin(t *testing.T) { ctx := context.Background() - cl, _, _, _, _ := testingCluster(t) + cl, _, _, _ := testingCluster(t) defer cleanRaft() defer cl.Shutdown(ctx) @@ -286,7 +287,7 @@ func TestClusterPin(t *testing.T) { func TestClusterPinPath(t *testing.T) { ctx := context.Background() - cl, _, _, _, _ := testingCluster(t) + cl, _, _, _ := testingCluster(t) defer cleanRaft() defer cl.Shutdown(ctx) @@ -307,7 +308,7 @@ func TestClusterPinPath(t *testing.T) { func TestAddFile(t *testing.T) { ctx := context.Background() - cl, _, _, _, _ := testingCluster(t) + cl, _, _, _ := testingCluster(t) defer cleanRaft() defer cl.Shutdown(ctx) sth := test.NewShardingTestHelper() @@ -367,7 +368,7 @@ func TestAddFile(t *testing.T) { func TestUnpinShard(t *testing.T) { ctx := context.Background() - cl, _, _, _, _ := testingCluster(t) + cl, _, _, _ := testingCluster(t) defer cleanRaft() defer cl.Shutdown(ctx) sth := test.NewShardingTestHelper() @@ -494,7 +495,7 @@ func TestUnpinShard(t *testing.T) { // } // func TestClusterPinMeta(t *testing.T) { -// cl, _, _, _, _ := testingCluster(t) +// cl, _, _, _ := testingCluster(t) // defer cleanRaft() // defer cl.Shutdown() @@ -502,7 +503,7 @@ func TestUnpinShard(t *testing.T) { // } // func TestClusterUnpinShardFail(t *testing.T) { -// cl, _, _, _, _ := testingCluster(t) +// cl, _, _, _ := testingCluster(t) // defer cleanRaft() // defer cl.Shutdown() @@ -526,7 +527,7 @@ func TestUnpinShard(t *testing.T) { // } // func TestClusterUnpinMeta(t *testing.T) { -// cl, _, _, _, _ := testingCluster(t) +// cl, _, _, _ := testingCluster(t) // defer cleanRaft() // defer cl.Shutdown() @@ -571,7 +572,7 @@ func TestUnpinShard(t *testing.T) { // } // func TestClusterPinShardTwoParents(t *testing.T) { -// cl, _, _, _, _ := testingCluster(t) +// cl, _, _, _ := testingCluster(t) // defer cleanRaft() // defer cl.Shutdown() @@ -588,7 +589,7 @@ func TestUnpinShard(t *testing.T) { // } // func TestClusterUnpinShardSecondParent(t *testing.T) { -// cl, _, _, _, _ := testingCluster(t) +// cl, _, _, _ := testingCluster(t) // defer cleanRaft() // defer cl.Shutdown() @@ -621,7 +622,7 @@ func TestUnpinShard(t *testing.T) { // } // func TestClusterUnpinShardFirstParent(t *testing.T) { -// cl, _, _, _, _ := testingCluster(t) +// cl, _, _, _ := testingCluster(t) // defer cleanRaft() // defer cl.Shutdown() @@ -657,7 +658,7 @@ func TestUnpinShard(t *testing.T) { // } // func TestClusterPinTwoMethodsFail(t *testing.T) { -// cl, _, _, _, _ := testingCluster(t) +// cl, _, _, _ := testingCluster(t) // defer cleanRaft() // defer cl.Shutdown() @@ -693,7 +694,7 @@ func TestUnpinShard(t *testing.T) { // } // func TestClusterRePinShard(t *testing.T) { -// cl, _, _, _, _ := testingCluster(t) +// cl, _, _, _ := testingCluster(t) // defer cleanRaft() // defer cl.Shutdown() @@ -729,7 +730,7 @@ func TestUnpinShard(t *testing.T) { func TestClusterPins(t *testing.T) { ctx := context.Background() - cl, _, _, _, _ := testingCluster(t) + cl, _, _, _ := testingCluster(t) defer cleanRaft() defer cl.Shutdown(ctx) @@ -739,7 +740,10 @@ func TestClusterPins(t *testing.T) { t.Fatal("pin should have worked:", err) } - pins := cl.Pins(ctx) + pins, err := cl.Pins(ctx) + if err != nil { + t.Fatal(err) + } if len(pins) != 1 { t.Fatal("pin should be part of the state") } @@ -750,7 +754,7 @@ func TestClusterPins(t *testing.T) { func TestClusterPinGet(t *testing.T) { ctx := context.Background() - cl, _, _, _, _ := testingCluster(t) + cl, _, _, _ := testingCluster(t) defer cleanRaft() defer cl.Shutdown(ctx) @@ -776,7 +780,7 @@ func TestClusterPinGet(t *testing.T) { func TestClusterUnpin(t *testing.T) { ctx := context.Background() - cl, _, _, _, _ := testingCluster(t) + cl, _, _, _ := testingCluster(t) defer cleanRaft() defer cl.Shutdown(ctx) @@ -807,7 +811,7 @@ func TestClusterUnpin(t *testing.T) { func TestClusterUnpinPath(t *testing.T) { ctx := context.Background() - cl, _, _, _, _ := testingCluster(t) + cl, _, _, _ := testingCluster(t) defer cleanRaft() defer cl.Shutdown(ctx) @@ -837,7 +841,7 @@ func TestClusterUnpinPath(t *testing.T) { func TestClusterPeers(t *testing.T) { ctx := context.Background() - cl, _, _, _, _ := testingCluster(t) + cl, _, _, _ := testingCluster(t) defer cleanRaft() defer cl.Shutdown(ctx) peers := cl.Peers(ctx) @@ -854,7 +858,7 @@ func TestClusterPeers(t *testing.T) { func TestVersion(t *testing.T) { ctx := context.Background() - cl, _, _, _, _ := testingCluster(t) + cl, _, _, _ := testingCluster(t) defer cleanRaft() defer cl.Shutdown(ctx) if cl.Version() != version.Version.String() { @@ -864,7 +868,7 @@ func TestVersion(t *testing.T) { func TestClusterRecoverAllLocal(t *testing.T) { ctx := context.Background() - cl, _, _, _, _ := testingCluster(t) + cl, _, _, _ := testingCluster(t) defer cleanRaft() defer cl.Shutdown(ctx) diff --git a/clusterhost.go b/clusterhost.go index 0ab080f3..950f9ae0 100644 --- a/clusterhost.go +++ b/clusterhost.go @@ -5,22 +5,53 @@ import ( "encoding/hex" libp2p "github.com/libp2p/go-libp2p" + crypto "github.com/libp2p/go-libp2p-crypto" host "github.com/libp2p/go-libp2p-host" ipnet "github.com/libp2p/go-libp2p-interface-pnet" + dht "github.com/libp2p/go-libp2p-kad-dht" pnet "github.com/libp2p/go-libp2p-pnet" + pubsub "github.com/libp2p/go-libp2p-pubsub" + routedhost "github.com/libp2p/go-libp2p/p2p/host/routed" ma "github.com/multiformats/go-multiaddr" ) -// NewClusterHost creates a libp2p Host with the options from the -// provided cluster configuration. -func NewClusterHost(ctx context.Context, cfg *Config) (host.Host, error) { +// NewClusterHost creates a libp2p Host with the options from the provided +// cluster configuration. Using that host, it creates pubsub and a DHT +// instances, for shared use by all cluster components. The returned host uses +// the DHT for routing. The resulting DHT is not bootstrapped. +func NewClusterHost( + ctx context.Context, + cfg *Config, +) (host.Host, *pubsub.PubSub, *dht.IpfsDHT, error) { + + h, err := newHost(ctx, cfg.Secret, cfg.PrivateKey, []ma.Multiaddr{cfg.ListenAddr}) + if err != nil { + return nil, nil, nil, err + } + + psub, err := newPubSub(ctx, h) + if err != nil { + h.Close() + return nil, nil, nil, err + } + + idht, err := newDHT(ctx, h) + if err != nil { + h.Close() + return nil, nil, nil, err + } + + return routedHost(h, idht), psub, idht, nil +} + +func newHost(ctx context.Context, secret []byte, priv crypto.PrivKey, listenAddrs []ma.Multiaddr) (host.Host, error) { var prot ipnet.Protector var err error // Create protector if we have a secret. - if cfg.Secret != nil && len(cfg.Secret) > 0 { + if secret != nil && len(secret) > 0 { var key [32]byte - copy(key[:], cfg.Secret) + copy(key[:], secret) prot, err = pnet.NewV1ProtectorFromBytes(&key) if err != nil { return nil, err @@ -29,13 +60,30 @@ func NewClusterHost(ctx context.Context, cfg *Config) (host.Host, error) { return libp2p.New( ctx, - libp2p.Identity(cfg.PrivateKey), - libp2p.ListenAddrs([]ma.Multiaddr{cfg.ListenAddr}...), + libp2p.Identity(priv), + libp2p.ListenAddrs(listenAddrs...), libp2p.PrivateNetwork(prot), libp2p.NATPortMap(), ) } +func newDHT(ctx context.Context, h host.Host) (*dht.IpfsDHT, error) { + return dht.New(ctx, h) +} + +func newPubSub(ctx context.Context, h host.Host) (*pubsub.PubSub, error) { + return pubsub.NewGossipSub( + ctx, + h, + pubsub.WithMessageSigning(true), + pubsub.WithStrictSignatureVerification(true), + ) +} + +func routedHost(h host.Host, d *dht.IpfsDHT) host.Host { + return routedhost.Wrap(h, d) +} + // EncodeProtectorKey converts a byte slice to its hex string representation. func EncodeProtectorKey(secretBytes []byte) string { return hex.EncodeToString(secretBytes) diff --git a/cmd/ipfs-cluster-ctl/graph.go b/cmd/ipfs-cluster-ctl/graph.go index ee869140..d6a76545 100644 --- a/cmd/ipfs-cluster-ctl/graph.go +++ b/cmd/ipfs-cluster-ctl/graph.go @@ -87,7 +87,7 @@ type dotWriter struct { func (dW *dotWriter) addNode(id string, nT nodeType) error { var node dot.VertexDescription pid, _ := peer.IDB58Decode(id) - node.Label = pid.String() + node.Label = pid.ShortString() switch nT { case tCluster: node.ID = fmt.Sprintf("C%d", len(dW.clusterNodes)) diff --git a/cmd/ipfs-cluster-service/configs.go b/cmd/ipfs-cluster-service/configs.go index 48890d89..546a80d3 100644 --- a/cmd/ipfs-cluster-service/configs.go +++ b/cmd/ipfs-cluster-service/configs.go @@ -8,7 +8,9 @@ import ( "github.com/ipfs/ipfs-cluster/api/ipfsproxy" "github.com/ipfs/ipfs-cluster/api/rest" "github.com/ipfs/ipfs-cluster/config" + "github.com/ipfs/ipfs-cluster/consensus/crdt" "github.com/ipfs/ipfs-cluster/consensus/raft" + "github.com/ipfs/ipfs-cluster/datastore/badger" "github.com/ipfs/ipfs-cluster/informer/disk" "github.com/ipfs/ipfs-cluster/informer/numpin" "github.com/ipfs/ipfs-cluster/ipfsconn/ipfshttp" @@ -23,7 +25,8 @@ type cfgs struct { apiCfg *rest.Config ipfsproxyCfg *ipfsproxy.Config ipfshttpCfg *ipfshttp.Config - consensusCfg *raft.Config + raftCfg *raft.Config + crdtCfg *crdt.Config maptrackerCfg *maptracker.Config statelessTrackerCfg *stateless.Config pubsubmonCfg *pubsubmon.Config @@ -31,6 +34,7 @@ type cfgs struct { numpinInfCfg *numpin.Config metricsCfg *observations.MetricsConfig tracingCfg *observations.TracingConfig + badgerCfg *badger.Config } func makeConfigs() (*config.Manager, *cfgs) { @@ -39,7 +43,8 @@ func makeConfigs() (*config.Manager, *cfgs) { apiCfg := &rest.Config{} ipfsproxyCfg := &ipfsproxy.Config{} ipfshttpCfg := &ipfshttp.Config{} - consensusCfg := &raft.Config{} + raftCfg := &raft.Config{} + crdtCfg := &crdt.Config{} maptrackerCfg := &maptracker.Config{} statelessCfg := &stateless.Config{} pubsubmonCfg := &pubsubmon.Config{} @@ -47,11 +52,13 @@ func makeConfigs() (*config.Manager, *cfgs) { numpinInfCfg := &numpin.Config{} metricsCfg := &observations.MetricsConfig{} tracingCfg := &observations.TracingConfig{} + badgerCfg := &badger.Config{} cfg.RegisterComponent(config.Cluster, clusterCfg) cfg.RegisterComponent(config.API, apiCfg) cfg.RegisterComponent(config.API, ipfsproxyCfg) cfg.RegisterComponent(config.IPFSConn, ipfshttpCfg) - cfg.RegisterComponent(config.Consensus, consensusCfg) + cfg.RegisterComponent(config.Consensus, raftCfg) + cfg.RegisterComponent(config.Consensus, crdtCfg) cfg.RegisterComponent(config.PinTracker, maptrackerCfg) cfg.RegisterComponent(config.PinTracker, statelessCfg) cfg.RegisterComponent(config.Monitor, pubsubmonCfg) @@ -59,12 +66,14 @@ func makeConfigs() (*config.Manager, *cfgs) { cfg.RegisterComponent(config.Informer, numpinInfCfg) cfg.RegisterComponent(config.Observations, metricsCfg) cfg.RegisterComponent(config.Observations, tracingCfg) + cfg.RegisterComponent(config.Datastore, badgerCfg) return cfg, &cfgs{ clusterCfg, apiCfg, ipfsproxyCfg, ipfshttpCfg, - consensusCfg, + raftCfg, + crdtCfg, maptrackerCfg, statelessCfg, pubsubmonCfg, @@ -72,9 +81,16 @@ func makeConfigs() (*config.Manager, *cfgs) { numpinInfCfg, metricsCfg, tracingCfg, + badgerCfg, } } +func makeAndLoadConfigs() (*config.Manager, *cfgs) { + cfgMgr, cfgs := makeConfigs() + checkErr("reading configuration", cfgMgr.LoadJSONFileAndEnv(configPath)) + return cfgMgr, cfgs +} + func saveConfig(cfg *config.Manager) { err := os.MkdirAll(filepath.Dir(configPath), 0700) err = cfg.SaveJSON(configPath) @@ -94,7 +110,8 @@ func propagateTracingConfig(cfgs *cfgs, tracingFlag bool) *cfgs { cfgs.tracingCfg.ClusterPeername = cfgs.clusterCfg.Peername cfgs.tracingCfg.EnableTracing = tracingValue cfgs.clusterCfg.Tracing = tracingValue - cfgs.consensusCfg.Tracing = tracingValue + cfgs.raftCfg.Tracing = tracingValue + cfgs.crdtCfg.Tracing = tracingValue cfgs.apiCfg.Tracing = tracingValue cfgs.ipfshttpCfg.Tracing = tracingValue cfgs.ipfsproxyCfg.Tracing = tracingValue diff --git a/cmd/ipfs-cluster-service/daemon.go b/cmd/ipfs-cluster-service/daemon.go index faeccf74..e02137f3 100644 --- a/cmd/ipfs-cluster-service/daemon.go +++ b/cmd/ipfs-cluster-service/daemon.go @@ -2,20 +2,17 @@ package main import ( "context" - "errors" "os" "os/signal" "syscall" "time" - host "github.com/libp2p/go-libp2p-host" - "github.com/urfave/cli" - ipfscluster "github.com/ipfs/ipfs-cluster" "github.com/ipfs/ipfs-cluster/allocator/ascendalloc" "github.com/ipfs/ipfs-cluster/allocator/descendalloc" "github.com/ipfs/ipfs-cluster/api/ipfsproxy" "github.com/ipfs/ipfs-cluster/api/rest" + "github.com/ipfs/ipfs-cluster/consensus/crdt" "github.com/ipfs/ipfs-cluster/consensus/raft" "github.com/ipfs/ipfs-cluster/informer/disk" "github.com/ipfs/ipfs-cluster/informer/numpin" @@ -25,9 +22,16 @@ import ( "github.com/ipfs/ipfs-cluster/pintracker/maptracker" "github.com/ipfs/ipfs-cluster/pintracker/stateless" "github.com/ipfs/ipfs-cluster/pstoremgr" - "github.com/ipfs/ipfs-cluster/state/mapstate" + ds "github.com/ipfs/go-datastore" + host "github.com/libp2p/go-libp2p-host" + dht "github.com/libp2p/go-libp2p-kad-dht" + peer "github.com/libp2p/go-libp2p-peer" + pubsub "github.com/libp2p/go-libp2p-pubsub" ma "github.com/multiformats/go-multiaddr" + + errors "github.com/pkg/errors" + cli "github.com/urfave/cli" ) func parseBootstraps(flagVal []string) (bootstraps []ma.Multiaddr) { @@ -46,31 +50,16 @@ func daemon(c *cli.Context) error { ctx, cancel := context.WithCancel(context.Background()) defer cancel() - // Load all the configurations - cfgMgr, cfgs := makeConfigs() - - // Run any migrations - if c.Bool("upgrade") { - err := upgrade(ctx) - if err != errNoSnapshot { - checkErr("upgrading state", err) - } // otherwise continue - } - bootstraps := parseBootstraps(c.StringSlice("bootstrap")) // Execution lock - err := locker.lock() - checkErr("acquiring execution lock", err) + locker.lock() defer locker.tryUnlock() // Load all the configurations - // always wait for configuration to be saved + cfgMgr, cfgs := makeAndLoadConfigs() defer cfgMgr.Shutdown() - err = cfgMgr.LoadJSONFileAndEnv(configPath) - checkErr("loading configuration", err) - if c.Bool("stats") { cfgs.metricsCfg.EnableStats = true } @@ -79,8 +68,8 @@ func daemon(c *cli.Context) error { // Cleanup state if bootstrapping raftStaging := false - if len(bootstraps) > 0 { - cleanupState(cfgs.consensusCfg) + if len(bootstraps) > 0 && c.String("consensus") == "raft" { + raft.CleanupRaft(cfgs.raftCfg) raftStaging = true } @@ -101,22 +90,24 @@ func daemon(c *cli.Context) error { return handleSignals(ctx, cluster) } +// createCluster creates all the necessary things to produce the cluster +// object and returns it along the datastore so the lifecycle can be handled +// (the datastore needs to be Closed after shutting down the Cluster). func createCluster( ctx context.Context, c *cli.Context, cfgs *cfgs, raftStaging bool, ) (*ipfscluster.Cluster, error) { - err := observations.SetupMetrics(cfgs.metricsCfg) - checkErr("setting up Metrics", err) - tracer, err := observations.SetupTracing(cfgs.tracingCfg) - checkErr("setting up Tracing", err) - - host, err := ipfscluster.NewClusterHost(ctx, cfgs.clusterCfg) + host, pubsub, dht, err := ipfscluster.NewClusterHost(ctx, cfgs.clusterCfg) checkErr("creating libP2P Host", err) peerstoreMgr := pstoremgr.New(host, cfgs.clusterCfg.GetPeerstorePath()) + // Import peers but do not connect. We cannot connect to peers until + // everything has been created (dht, pubsub, bitswap). Otherwise things + // fail. + // Connections will happen as needed during bootstrap, rpc etc. peerstoreMgr.ImportPeersFromPeerstore(false) api, err := rest.NewAPIWithHost(ctx, cfgs.apiCfg, host) @@ -130,34 +121,63 @@ func createCluster( connector, err := ipfshttp.NewConnector(cfgs.ipfshttpCfg) checkErr("creating IPFS Connector component", err) - state := mapstate.NewMapState() - - err = validateVersion(ctx, cfgs.clusterCfg, cfgs.consensusCfg) - checkErr("validating version", err) - - raftcon, err := raft.NewConsensus( + tracker := setupPinTracker( + c.String("pintracker"), host, - cfgs.consensusCfg, - state, + cfgs.maptrackerCfg, + cfgs.statelessTrackerCfg, + cfgs.clusterCfg.Peername, + ) + + informer, alloc := setupAllocation( + c.String("alloc"), + cfgs.diskInfCfg, + cfgs.numpinInfCfg, + ) + + ipfscluster.ReadyTimeout = cfgs.raftCfg.WaitForLeaderTimeout + 5*time.Second + + err = observations.SetupMetrics(cfgs.metricsCfg) + checkErr("setting up Metrics", err) + + tracer, err := observations.SetupTracing(cfgs.tracingCfg) + checkErr("setting up Tracing", err) + + store := setupDatastore(c.String("consensus"), cfgs) + + cons, err := setupConsensus( + c.String("consensus"), + host, + dht, + pubsub, + cfgs, + store, raftStaging, ) - checkErr("creating consensus component", err) + if err != nil { + store.Close() + checkErr("setting up Consensus", err) + } - tracker := setupPinTracker(c.String("pintracker"), host, cfgs.maptrackerCfg, cfgs.statelessTrackerCfg, cfgs.clusterCfg.Peername) - mon, err := pubsubmon.New(host, cfgs.pubsubmonCfg) - checkErr("creating monitor", err) - logger.Debug("pubsub monitor loaded") - informer, alloc := setupAllocation(c.String("alloc"), cfgs.diskInfCfg, cfgs.numpinInfCfg) + var peersF func(context.Context) ([]peer.ID, error) + if c.String("consensus") == "raft" { + peersF = cons.Peers + } - ipfscluster.ReadyTimeout = cfgs.consensusCfg.WaitForLeaderTimeout + 5*time.Second + mon, err := pubsubmon.New(cfgs.pubsubmonCfg, pubsub, peersF) + if err != nil { + store.Close() + checkErr("setting up PeerMonitor", err) + } return ipfscluster.NewCluster( host, + dht, cfgs.clusterCfg, - raftcon, + store, + cons, apis, connector, - state, tracker, mon, alloc, @@ -271,3 +291,51 @@ func setupPinTracker( return nil } } + +func setupDatastore( + consensus string, + cfgs *cfgs, +) ds.Datastore { + stmgr := newStateManager(consensus, cfgs) + store, err := stmgr.GetStore() + checkErr("creating datastore", err) + return store +} + +func setupConsensus( + name string, + h host.Host, + dht *dht.IpfsDHT, + pubsub *pubsub.PubSub, + cfgs *cfgs, + store ds.Datastore, + raftStaging bool, +) (ipfscluster.Consensus, error) { + switch name { + case "raft": + rft, err := raft.NewConsensus( + h, + cfgs.raftCfg, + store, + raftStaging, + ) + if err != nil { + return nil, errors.Wrap(err, "creating Raft component") + } + return rft, nil + case "crdt": + convrdt, err := crdt.New( + h, + dht, + pubsub, + cfgs.crdtCfg, + store, + ) + if err != nil { + return nil, errors.Wrap(err, "creating CRDT component") + } + return convrdt, nil + default: + return nil, errors.New("unknown consensus component") + } +} diff --git a/cmd/ipfs-cluster-service/lock.go b/cmd/ipfs-cluster-service/lock.go index fa9ca5fb..ccd33232 100644 --- a/cmd/ipfs-cluster-service/lock.go +++ b/cmd/ipfs-cluster-service/lock.go @@ -1,6 +1,7 @@ package main import ( + "errors" "fmt" "io" "os" @@ -22,13 +23,15 @@ type lock struct { path string } -func (l *lock) lock() error { +func (l *lock) lock() { if l.lockCloser != nil { - return fmt.Errorf("cannot acquire lock twice") + checkErr("", errors.New("cannot acquire lock twice")) } - if err := l.checkConfigExists(); err != nil { - return err + if _, err := os.Stat(configPath); os.IsNotExist(err) { + errMsg := "%s config hasn't been initialized. Please run '%s init'" + errMsg = fmt.Sprintf(errMsg, programName, programName) + checkErr("", errors.New(errMsg)) } // set the lock file within this function @@ -37,16 +40,21 @@ func (l *lock) lock() error { if err != nil { logger.Debug(err) l.lockCloser = nil - errStr := fmt.Sprintf(`could not obtain execution lock. If no other process -is running, remove %s, or make sure that the config folder is -writable for the user running ipfs-cluster. Run with -d for more information -about the error`, path.Join(l.path, lockFileName)) - logger.Error(errStr) - return fmt.Errorf("could not obtain execution lock") + errStr := "%s. If no other " + errStr += "%s process is running, remove %s, or make sure " + errStr += "that the config folder is writable for the user " + errStr += "running %s." + errStr = fmt.Sprintf( + errStr, + err, + programName, + path.Join(l.path, lockFileName), + programName, + ) + checkErr("obtaining execution lock", errors.New(errStr)) } - logger.Debug("Success! ipfs-cluster-service lock acquired") + logger.Debugf("%s execution lock acquired", programName) l.lockCloser = lk - return nil } func (l *lock) tryUnlock() error { @@ -59,19 +67,7 @@ func (l *lock) tryUnlock() error { if err != nil { return err } - logger.Debug("Successfully released execution lock") + logger.Debug("successfully released execution lock") l.lockCloser = nil return nil } - -func (l *lock) checkConfigExists() error { - if _, err := os.Stat(l.path); os.IsNotExist(err) { - logger.Error("ipfs-cluster-service config hasn't been initialized.\nPlease run ipfs-cluster-service init") - return err - } - if _, err := os.Stat(fmt.Sprintf("%s/%s", l.path, "service.json")); os.IsNotExist(err) { - logger.Error("ipfs-cluster-service config hasn't been initialized.\nPlease run ipfs-cluster-service init") - return err - } - return nil -} diff --git a/cmd/ipfs-cluster-service/main.go b/cmd/ipfs-cluster-service/main.go index b8e99012..19db6666 100644 --- a/cmd/ipfs-cluster-service/main.go +++ b/cmd/ipfs-cluster-service/main.go @@ -3,7 +3,6 @@ package main import ( "bufio" - "context" "fmt" "io" "os" @@ -11,7 +10,6 @@ import ( "path/filepath" ipfscluster "github.com/ipfs/ipfs-cluster" - "github.com/ipfs/ipfs-cluster/state/mapstate" "github.com/ipfs/ipfs-cluster/version" semver "github.com/blang/semver" @@ -24,6 +22,7 @@ const programName = `ipfs-cluster-service` // flag defaults const ( + defaultConsensus = "raft" defaultAllocation = "disk-freespace" defaultPinTracker = "map" defaultLogLevel = "info" @@ -220,19 +219,28 @@ configuration. if alreadyInitialized { // acquire lock for config folder - err := locker.lock() - checkErr("acquiring execution lock", err) + locker.lock() defer locker.tryUnlock() - if !c.Bool("force") && !yesNoPrompt(fmt.Sprintf("%s\n%s Continue? [y/n]:", stateCleanupPrompt, configurationOverwritePrompt)) { + confirm := fmt.Sprintf( + "%s\n%s Continue? [y/n]:", + stateCleanupPrompt, + configurationOverwritePrompt, + ) + + if !c.Bool("force") && !yesNoPrompt(confirm) { return nil } - err = cfgMgr.LoadJSONFromFile(configPath) + err := cfgMgr.LoadJSONFileAndEnv(configPath) checkErr("reading configuration", err) - err = cleanupState(cfgs.consensusCfg) - checkErr("Cleaning up consensus data", err) + // rafts needs cleanup on re-init because + // the peer ID of this peer changes + // and is no longer part of the old + // peerset. + mgr := newStateManager("raft", cfgs) + checkErr("cleaning up raft data", mgr.Clean()) } // Generate defaults for all registered components @@ -258,7 +266,7 @@ configuration. Flags: []cli.Flag{ cli.BoolFlag{ Name: "upgrade, u", - Usage: "run necessary state migrations before starting cluster service", + Usage: "run state migrations before starting (deprecated/unused)", }, cli.StringSliceFlag{ Name: "bootstrap, j", @@ -269,6 +277,11 @@ configuration. Usage: "remove peer from cluster on exit. Overrides \"leave_on_shutdown\"", Hidden: true, }, + cli.StringFlag{ + Name: "consensus", + Value: defaultConsensus, + Usage: "shared state management provider [raft,crdt]", + }, cli.StringFlag{ Name: "alloc, a", Value: defaultAllocation, @@ -293,60 +306,34 @@ configuration. }, { Name: "state", - Usage: "Manage ipfs-cluster-state", + Usage: "Manage the peer's consensus state (pinset)", Subcommands: []cli.Command{ - { - Name: "version", - Usage: "display the shared state format version", - Action: func(c *cli.Context) error { - fmt.Printf("%d\n", mapstate.Version) - return nil - }, - }, - { - Name: "upgrade", - Usage: "upgrade the IPFS Cluster state to the current version", - Description: ` -This command upgrades the internal state of the ipfs-cluster node -specified in the latest raft snapshot. The state format is migrated from the -version of the snapshot to the version supported by the current cluster version. -To successfully run an upgrade of an entire cluster, shut down each peer without -removal, upgrade state using this command, and restart every peer. -`, - Action: func(c *cli.Context) error { - ctx := context.Background() - err := locker.lock() - checkErr("acquiring execution lock", err) - defer locker.tryUnlock() - - err = upgrade(ctx) - checkErr("upgrading state", err) - return nil - }, - }, { Name: "export", - Usage: "save the IPFS Cluster state to a json file", + Usage: "save the state to a JSON file", Description: ` -This command reads the current cluster state and saves it as json for -human readability and editing. Only state formats compatible with this -version of ipfs-cluster-service can be exported. By default this command -prints the state to stdout. +This command dumps the current cluster pinset (state) as a JSON file. The +resulting file can be used to migrate, restore or backup a Cluster peer. +By default, the state will be printed to stdout. `, Flags: []cli.Flag{ cli.StringFlag{ Name: "file, f", Value: "", - Usage: "sets an output file for exported state", + Usage: "writes to an output file", + }, + cli.StringFlag{ + Name: "consensus", + Value: "raft", + Usage: "consensus component to export data from [raft, crdt]", }, }, Action: func(c *cli.Context) error { - ctx := context.Background() - err := locker.lock() - checkErr("acquiring execution lock", err) + locker.lock() defer locker.tryUnlock() var w io.WriteCloser + var err error outputPath := c.String("file") if outputPath == "" { // Output to stdout @@ -358,88 +345,103 @@ prints the state to stdout. } defer w.Close() - err = export(ctx, w) - checkErr("exporting state", err) + cfgMgr, cfgs := makeAndLoadConfigs() + defer cfgMgr.Shutdown() + mgr := newStateManager(c.String("consensus"), cfgs) + checkErr("exporting state", mgr.ExportState(w)) + logger.Info("state successfully exported") return nil }, }, { Name: "import", - Usage: "load an IPFS Cluster state from an exported state file", + Usage: "load the state from a file produced by 'export'", Description: ` -This command reads in an exported state file storing the state as a persistent -snapshot to be loaded as the cluster state when the cluster peer is restarted. -If an argument is provided, cluster will treat it as the path of the file to -import. If no argument is provided cluster will read json from stdin +This command reads in an exported pinset (state) file and replaces the +existing one. This can be used, for example, to restore a Cluster peer from a +backup. + +If an argument is provided, it will be treated it as the path of the file +to import. If no argument is provided, stdin will be used. `, Flags: []cli.Flag{ cli.BoolFlag{ Name: "force, f", - Usage: "forcefully proceed with replacing the current state with the given one, without prompting", + Usage: "skips confirmation prompt", + }, + cli.StringFlag{ + Name: "consensus", + Value: "raft", + Usage: "consensus component to export data from [raft, crdt]", }, }, Action: func(c *cli.Context) error { - ctx := context.Background() - err := locker.lock() - checkErr("acquiring execution lock", err) + locker.lock() defer locker.tryUnlock() - if !c.Bool("force") { - if !yesNoPrompt("The peer's state will be replaced. Run with -h for details. Continue? [y/n]:") { - return nil - } + confirm := "The pinset (state) of this peer " + confirm += "will be replaced. Continue? [y/n]:" + if !c.Bool("force") && !yesNoPrompt(confirm) { + return nil } // Get the importing file path importFile := c.Args().First() var r io.ReadCloser + var err error if importFile == "" { r = os.Stdin - logger.Info("Reading from stdin, Ctrl-D to finish") + fmt.Println("reading from stdin, Ctrl-D to finish") } else { r, err = os.Open(importFile) checkErr("reading import file", err) } defer r.Close() - err = stateImport(ctx, r) - checkErr("importing state", err) - logger.Info("the given state has been correctly imported to this peer. Make sure all peers have consistent states") + + cfgMgr, cfgs := makeAndLoadConfigs() + defer cfgMgr.Shutdown() + mgr := newStateManager(c.String("consensus"), cfgs) + checkErr("importing state", mgr.ImportState(r)) + logger.Info("state successfully imported. Make sure all peers have consistent states") return nil }, }, { Name: "cleanup", - Usage: "cleanup persistent consensus state so cluster can start afresh", + Usage: "remove persistent data", Description: ` -This command removes the persistent state that is loaded on startup to determine this peer's view of the -cluster state. While it removes the existing state from the load path, one invocation does not permanently remove -this state from disk. This command renames cluster's data folder to .old.0, and rotates other -deprecated data folders to .old., etc for some rotation factor before permanatly deleting -the mth data folder (m currently defaults to 5) +This command removes any persisted consensus data in this peer, including the +current pinset (state). The next start of the peer will be like the first start +to all effects. Peers may need to bootstrap and sync from scratch after this. `, Flags: []cli.Flag{ cli.BoolFlag{ Name: "force, f", - Usage: "forcefully proceed with rotating peer state without prompting", + Usage: "skip confirmation prompt", + }, + cli.StringFlag{ + Name: "consensus", + Value: "raft", + Usage: "consensus component to export data from [raft, crdt]", }, }, Action: func(c *cli.Context) error { - err := locker.lock() - checkErr("acquiring execution lock", err) + locker.lock() defer locker.tryUnlock() - if !c.Bool("force") { - if !yesNoPrompt(fmt.Sprintf("%s Continue? [y/n]:", stateCleanupPrompt)) { - return nil - } + confirm := fmt.Sprintf( + "%s Continue? [y/n]:", + stateCleanupPrompt, + ) + if !c.Bool("force") && !yesNoPrompt(confirm) { + return nil } - cfgMgr, cfgs := makeConfigs() - err = cfgMgr.LoadJSONFileAndEnv(configPath) - checkErr("reading configuration", err) - - err = cleanupState(cfgs.consensusCfg) - checkErr("Cleaning up consensus data", err) + cfgMgr, cfgs := makeAndLoadConfigs() + defer cfgMgr.Shutdown() + mgr := newStateManager(c.String("consensus"), cfgs) + checkErr("cleaning state", mgr.Clean()) + logger.Info("data correctly cleaned up") return nil }, }, diff --git a/cmd/ipfs-cluster-service/state.go b/cmd/ipfs-cluster-service/state.go index 516ee9a3..3f8748e6 100644 --- a/cmd/ipfs-cluster-service/state.go +++ b/cmd/ipfs-cluster-service/state.go @@ -1,188 +1,194 @@ package main import ( - "bytes" "context" "encoding/json" "errors" + "fmt" "io" - "io/ioutil" ipfscluster "github.com/ipfs/ipfs-cluster" "github.com/ipfs/ipfs-cluster/api" + "github.com/ipfs/ipfs-cluster/consensus/crdt" "github.com/ipfs/ipfs-cluster/consensus/raft" + "github.com/ipfs/ipfs-cluster/datastore/badger" + "github.com/ipfs/ipfs-cluster/datastore/inmem" "github.com/ipfs/ipfs-cluster/pstoremgr" "github.com/ipfs/ipfs-cluster/state" - "github.com/ipfs/ipfs-cluster/state/mapstate" - "go.opencensus.io/trace" + + ds "github.com/ipfs/go-datastore" ) -var errNoSnapshot = errors.New("no snapshot found") - -func upgrade(ctx context.Context) error { - ctx, span := trace.StartSpan(ctx, "daemon/upgrade") - defer span.End() - - newState, current, err := restoreStateFromDisk(ctx) - if err != nil { - return err - } - - if current { - logger.Warning("Skipping migration of up-to-date state") - return nil - } - - cfgMgr, cfgs := makeConfigs() - - err = cfgMgr.LoadJSONFileAndEnv(configPath) - if err != nil { - return err - } - - pm := pstoremgr.New(nil, cfgs.clusterCfg.GetPeerstorePath()) - raftPeers := append(ipfscluster.PeersFromMultiaddrs(pm.LoadPeerstore()), cfgs.clusterCfg.ID) - return raft.SnapshotSave(cfgs.consensusCfg, newState, raftPeers) +type stateManager interface { + ImportState(io.Reader) error + ExportState(io.Writer) error + GetStore() (ds.Datastore, error) + Clean() error } -func export(ctx context.Context, w io.Writer) error { - ctx, span := trace.StartSpan(ctx, "daemon/export") - defer span.End() +func newStateManager(consensus string, cfgs *cfgs) stateManager { + switch consensus { + case "raft": + return &raftStateManager{cfgs} + case "crdt": + return &crdtStateManager{cfgs} + case "": + checkErr("", errors.New("unspecified consensus component")) + default: + checkErr("", fmt.Errorf("unknown consensus component '%s'", consensus)) + } + return nil +} - stateToExport, _, err := restoreStateFromDisk(ctx) +type raftStateManager struct { + cfgs *cfgs +} + +func (raftsm *raftStateManager) GetStore() (ds.Datastore, error) { + return inmem.New(), nil +} + +func (raftsm *raftStateManager) getOfflineState(store ds.Datastore) (state.State, error) { + return raft.OfflineState(raftsm.cfgs.raftCfg, store) +} + +func (raftsm *raftStateManager) ImportState(r io.Reader) error { + err := raftsm.Clean() if err != nil { return err } - return exportState(ctx, stateToExport, w) + store, err := raftsm.GetStore() + if err != nil { + return err + } + defer store.Close() + st, err := raftsm.getOfflineState(store) + if err != nil { + return err + } + err = importState(r, st) + if err != nil { + return err + } + pm := pstoremgr.New(nil, raftsm.cfgs.clusterCfg.GetPeerstorePath()) + raftPeers := append( + ipfscluster.PeersFromMultiaddrs(pm.LoadPeerstore()), + raftsm.cfgs.clusterCfg.ID, + ) + return raft.SnapshotSave(raftsm.cfgs.raftCfg, st, raftPeers) } -// restoreStateFromDisk returns a mapstate containing the latest -// snapshot, a flag set to true when the state format has the -// current version and an error -func restoreStateFromDisk(ctx context.Context) (state.State, bool, error) { - ctx, span := trace.StartSpan(ctx, "daemon/restoreStateFromDisk") - defer span.End() - - cfgMgr, cfgs := makeConfigs() - - err := cfgMgr.LoadJSONFileAndEnv(configPath) +func (raftsm *raftStateManager) ExportState(w io.Writer) error { + store, err := raftsm.GetStore() if err != nil { - return nil, false, err - } - - r, snapExists, err := raft.LastStateRaw(cfgs.consensusCfg) - if !snapExists { - err = errNoSnapshot + return err } + defer store.Close() + st, err := raftsm.getOfflineState(store) if err != nil { - return nil, false, err + return err } - - full, err := ioutil.ReadAll(r) - if err != nil { - return nil, false, err - } - - stateFromSnap := mapstate.NewMapState() - // duplicate reader to both check version and migrate - reader1 := bytes.NewReader(full) - err = stateFromSnap.Unmarshal(reader1) - if err != nil { - return nil, false, err - } - if stateFromSnap.GetVersion() == mapstate.Version { - return stateFromSnap, true, nil - } - reader2 := bytes.NewReader(full) - err = stateFromSnap.Migrate(ctx, reader2) - if err != nil { - return nil, false, err - } - - return stateFromSnap, false, nil + return exportState(w, st) } -func stateImport(ctx context.Context, r io.Reader) error { - ctx, span := trace.StartSpan(ctx, "daemon/stateImport") - defer span.End() +func (raftsm *raftStateManager) Clean() error { + return raft.CleanupRaft(raftsm.cfgs.raftCfg) +} - cfgMgr, cfgs := makeConfigs() +type crdtStateManager struct { + cfgs *cfgs +} - err := cfgMgr.LoadJSONFileAndEnv(configPath) +func (crdtsm *crdtStateManager) GetStore() (ds.Datastore, error) { + bds, err := badger.New(crdtsm.cfgs.badgerCfg) + if err != nil { + return nil, err + } + return bds, nil +} + +func (crdtsm *crdtStateManager) getOfflineState(store ds.Datastore) (state.BatchingState, error) { + return crdt.OfflineState(crdtsm.cfgs.crdtCfg, store) +} + +func (crdtsm *crdtStateManager) ImportState(r io.Reader) error { + err := crdtsm.Clean() if err != nil { return err } - pins := make([]*api.Pin, 0) + store, err := crdtsm.GetStore() + if err != nil { + return err + } + defer store.Close() + st, err := crdtsm.getOfflineState(store) + if err != nil { + return err + } + + err = importState(r, st) + if err != nil { + return err + } + + return st.Commit(context.Background()) +} + +func (crdtsm *crdtStateManager) ExportState(w io.Writer) error { + store, err := crdtsm.GetStore() + if err != nil { + return err + } + defer store.Close() + st, err := crdtsm.getOfflineState(store) + if err != nil { + return err + } + return exportState(w, st) +} + +func (crdtsm *crdtStateManager) Clean() error { + store, err := crdtsm.GetStore() + if err != nil { + return err + } + defer store.Close() + return crdt.Clean(context.Background(), crdtsm.cfgs.crdtCfg, store) +} + +func importState(r io.Reader, st state.State) error { + ctx := context.Background() dec := json.NewDecoder(r) - err = dec.Decode(&pins) - if err != nil { - return err - } - - stateToImport := mapstate.NewMapState() - for _, p := range pins { - err = stateToImport.Add(ctx, p) + for { + var pin api.Pin + err := dec.Decode(&pin) + if err == io.EOF { + return nil + } + if err != nil { + return err + } + err = st.Add(ctx, &pin) if err != nil { return err } } - - pm := pstoremgr.New(nil, cfgs.clusterCfg.GetPeerstorePath()) - raftPeers := append(ipfscluster.PeersFromMultiaddrs(pm.LoadPeerstore()), cfgs.clusterCfg.ID) - return raft.SnapshotSave(cfgs.consensusCfg, stateToImport, raftPeers) -} - -func validateVersion(ctx context.Context, cfg *ipfscluster.Config, cCfg *raft.Config) error { - ctx, span := trace.StartSpan(ctx, "daemon/validateVersion") - defer span.End() - - state := mapstate.NewMapState() - r, snapExists, err := raft.LastStateRaw(cCfg) - if !snapExists && err != nil { - logger.Error("error before reading latest snapshot.") - } else if snapExists && err != nil { - logger.Error("error after reading last snapshot. Snapshot potentially corrupt.") - } else if snapExists && err == nil { - err2 := state.Unmarshal(r) - if err2 != nil { - logger.Error("error unmarshalling snapshot. Snapshot potentially corrupt.") - return err2 - } - if state.GetVersion() != mapstate.Version { - logger.Error("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!") - logger.Error("Out of date ipfs-cluster state is saved.") - logger.Error("To migrate to the new version, run ipfs-cluster-service state upgrade.") - logger.Error("To launch a node without this state, rename the consensus data directory.") - logger.Error("Hint: the default is .ipfs-cluster/raft.") - logger.Error("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!") - err = errors.New("outdated state version stored") - } - } // !snapExists && err == nil // no existing state, no check needed - return err } // ExportState saves a json representation of a state -func exportState(ctx context.Context, state state.State, w io.Writer) error { - ctx, span := trace.StartSpan(ctx, "daemon/exportState") - defer span.End() - - // Serialize pins - pins := state.List(ctx) - - // Write json to output file - enc := json.NewEncoder(w) - enc.SetIndent("", " ") - return enc.Encode(pins) -} - -// CleanupState cleans the state -func cleanupState(cCfg *raft.Config) error { - err := raft.CleanupRaft(cCfg.GetDataFolder(), cCfg.BackupsRotate) - if err == nil { - logger.Warningf("the %s folder has been rotated. Next start will use an empty state", cCfg.GetDataFolder()) +func exportState(w io.Writer, st state.State) error { + pins, err := st.List(context.Background()) + if err != nil { + return err } - - return err + enc := json.NewEncoder(w) + for _, pin := range pins { + err := enc.Encode(pin) + if err != nil { + return err + } + } + return nil } diff --git a/config/config.go b/config/config.go index dad3ec79..e7a9b7ec 100644 --- a/config/config.go +++ b/config/config.go @@ -58,6 +58,7 @@ const ( Allocator Informer Observations + Datastore endTypes // keep this at the end ) @@ -178,6 +179,7 @@ type jsonConfig struct { Allocator jsonSection `json:"allocator,omitempty"` Informer jsonSection `json:"informer,omitempty"` Observations jsonSection `json:"observations,omitempty"` + Datastore jsonSection `json:"datastore,omitempty"` } func (jcfg *jsonConfig) getSection(i SectionType) *jsonSection { @@ -200,6 +202,8 @@ func (jcfg *jsonConfig) getSection(i SectionType) *jsonSection { return &jcfg.Informer case Observations: return &jcfg.Observations + case Datastore: + return &jcfg.Datastore default: return nil } diff --git a/config/config_test.go b/config/config_test.go index 3fa39240..dc6bc4ad 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -97,6 +97,11 @@ func TestManager_ToJSON(t *testing.T) { "mock": { "a": "b" } + }, + "datastore": { + "mock": { + "a": "b" + } } }`) cfgMgr := setupConfigManager() diff --git a/config_test.go b/config_test.go index 90f0ab20..1dabef38 100644 --- a/config_test.go +++ b/config_test.go @@ -3,7 +3,9 @@ package ipfscluster import ( "github.com/ipfs/ipfs-cluster/api/ipfsproxy" "github.com/ipfs/ipfs-cluster/api/rest" + "github.com/ipfs/ipfs-cluster/consensus/crdt" "github.com/ipfs/ipfs-cluster/consensus/raft" + "github.com/ipfs/ipfs-cluster/datastore/badger" "github.com/ipfs/ipfs-cluster/informer/disk" "github.com/ipfs/ipfs-cluster/ipfsconn/ipfshttp" "github.com/ipfs/ipfs-cluster/monitor/pubsubmon" @@ -46,6 +48,15 @@ var testingRaftCfg = []byte(`{ "leader_lease_timeout": "80ms" }`) +var testingCrdtCfg = []byte(`{ + "cluster_name": "crdt-test", + "rebroadcast_interval": "150ms" +}`) + +var testingBadgerCfg = []byte(`{ + "folder": "badgerFromTests" +}`) + var testingAPICfg = []byte(`{ "http_listen_multiaddress": "/ip4/127.0.0.1/tcp/10002", "read_timeout": "0", @@ -85,8 +96,8 @@ var testingIpfsCfg = []byte(`{ var testingTrackerCfg = []byte(` { - "max_pin_queue_size": 4092, - "concurrent_pins": 1 + "max_pin_queue_size": 4092, + "concurrent_pins": 1 } `) @@ -100,37 +111,41 @@ var testingDiskInfCfg = []byte(`{ }`) var testingTracerCfg = []byte(`{ - "enable_tracing": false + "enable_tracing": false }`) -func testingConfigs() (*Config, *rest.Config, *ipfsproxy.Config, *ipfshttp.Config, *raft.Config, *maptracker.Config, *stateless.Config, *pubsubmon.Config, *disk.Config, *observations.TracingConfig) { - clusterCfg, apiCfg, proxyCfg, ipfsCfg, consensusCfg, maptrackerCfg, statelesstrkrCfg, pubsubmonCfg, diskInfCfg, tracingCfg := testingEmptyConfigs() +func testingConfigs() (*Config, *rest.Config, *ipfsproxy.Config, *ipfshttp.Config, *badger.Config, *raft.Config, *crdt.Config, *maptracker.Config, *stateless.Config, *pubsubmon.Config, *disk.Config, *observations.TracingConfig) { + clusterCfg, apiCfg, proxyCfg, ipfsCfg, badgerCfg, raftCfg, crdtCfg, maptrackerCfg, statelesstrkrCfg, pubsubmonCfg, diskInfCfg, tracingCfg := testingEmptyConfigs() clusterCfg.LoadJSON(testingClusterCfg) apiCfg.LoadJSON(testingAPICfg) proxyCfg.LoadJSON(testingProxyCfg) ipfsCfg.LoadJSON(testingIpfsCfg) - consensusCfg.LoadJSON(testingRaftCfg) + badgerCfg.LoadJSON(testingBadgerCfg) + raftCfg.LoadJSON(testingRaftCfg) + crdtCfg.LoadJSON(testingCrdtCfg) maptrackerCfg.LoadJSON(testingTrackerCfg) statelesstrkrCfg.LoadJSON(testingTrackerCfg) pubsubmonCfg.LoadJSON(testingMonCfg) diskInfCfg.LoadJSON(testingDiskInfCfg) tracingCfg.LoadJSON(testingTracerCfg) - return clusterCfg, apiCfg, proxyCfg, ipfsCfg, consensusCfg, maptrackerCfg, statelesstrkrCfg, pubsubmonCfg, diskInfCfg, tracingCfg + return clusterCfg, apiCfg, proxyCfg, ipfsCfg, badgerCfg, raftCfg, crdtCfg, maptrackerCfg, statelesstrkrCfg, pubsubmonCfg, diskInfCfg, tracingCfg } -func testingEmptyConfigs() (*Config, *rest.Config, *ipfsproxy.Config, *ipfshttp.Config, *raft.Config, *maptracker.Config, *stateless.Config, *pubsubmon.Config, *disk.Config, *observations.TracingConfig) { +func testingEmptyConfigs() (*Config, *rest.Config, *ipfsproxy.Config, *ipfshttp.Config, *badger.Config, *raft.Config, *crdt.Config, *maptracker.Config, *stateless.Config, *pubsubmon.Config, *disk.Config, *observations.TracingConfig) { clusterCfg := &Config{} apiCfg := &rest.Config{} proxyCfg := &ipfsproxy.Config{} ipfshttpCfg := &ipfshttp.Config{} - consensusCfg := &raft.Config{} + badgerCfg := &badger.Config{} + raftCfg := &raft.Config{} + crdtCfg := &crdt.Config{} maptrackerCfg := &maptracker.Config{} statelessCfg := &stateless.Config{} pubsubmonCfg := &pubsubmon.Config{} diskInfCfg := &disk.Config{} tracingCfg := &observations.TracingConfig{} - return clusterCfg, apiCfg, proxyCfg, ipfshttpCfg, consensusCfg, maptrackerCfg, statelessCfg, pubsubmonCfg, diskInfCfg, tracingCfg + return clusterCfg, apiCfg, proxyCfg, ipfshttpCfg, badgerCfg, raftCfg, crdtCfg, maptrackerCfg, statelessCfg, pubsubmonCfg, diskInfCfg, tracingCfg } // func TestConfigDefault(t *testing.T) { diff --git a/consensus/crdt/config.go b/consensus/crdt/config.go new file mode 100644 index 00000000..d37c3a72 --- /dev/null +++ b/consensus/crdt/config.go @@ -0,0 +1,152 @@ +package crdt + +import ( + "encoding/json" + "errors" + "fmt" + "time" + + "github.com/kelseyhightower/envconfig" + + "github.com/ipfs/ipfs-cluster/config" +) + +var configKey = "crdt" +var envConfigKey = "cluster_crdt" + +// Default configuration values +var ( + DefaultClusterName = "ipfs-cluster" + DefaultPeersetMetric = "ping" + DefaultDatastoreNamespace = "/c" // from "/crdt" + DefaultRebroadcastInterval = time.Minute +) + +// Config is the configuration object for Consensus. +type Config struct { + config.Saver + + hostShutdown bool + + // The topic we wish to subscribe to + ClusterName string + + // The interval before re-announcing the current state + // to the network when no activity is observed. + RebroadcastInterval time.Duration + + // The name of the metric we use to obtain the peerset (every peer + // with valid metric of this type is part of it). + PeersetMetric string + + // All keys written to the datastore will be namespaced with this prefix + DatastoreNamespace string + + // Tracing enables propagation of contexts across binary boundaries. + Tracing bool +} + +type jsonConfig struct { + ClusterName string `json:"cluster_name"` + RebroadcastInterval string `json:"rebroadcast_interval,omitempty"` + PeersetMetric string `json:"peerset_metric,omitempty"` + DatastoreNamespace string `json:"datastore_namespace,omitempty"` +} + +// ConfigKey returns the section name for this type of configuration. +func (cfg *Config) ConfigKey() string { + return configKey +} + +// Validate returns an error if the configuration has invalid values. +func (cfg *Config) Validate() error { + if cfg.ClusterName == "" { + return errors.New("crdt.cluster_name cannot be empty") + } + + if cfg.PeersetMetric == "" { + return errors.New("crdt.peerset_metric needs a name") + } + + if cfg.RebroadcastInterval <= 0 { + return errors.New("crdt.rebroadcast_interval is invalid") + } + return nil +} + +// LoadJSON takes a raw JSON slice and sets all the configuration fields. +func (cfg *Config) LoadJSON(raw []byte) error { + jcfg := &jsonConfig{} + err := json.Unmarshal(raw, jcfg) + if err != nil { + return fmt.Errorf("error unmarshaling %s config", configKey) + } + + cfg.Default() + + return cfg.applyJSONConfig(jcfg) +} + +func (cfg *Config) applyJSONConfig(jcfg *jsonConfig) error { + cfg.ClusterName = jcfg.ClusterName + config.SetIfNotDefault(jcfg.PeersetMetric, &cfg.PeersetMetric) + config.SetIfNotDefault(jcfg.DatastoreNamespace, &cfg.DatastoreNamespace) + config.ParseDurations( + "crdt", + &config.DurationOpt{Duration: jcfg.RebroadcastInterval, Dst: &cfg.RebroadcastInterval, Name: "rebroadcast_interval"}, + ) + return cfg.Validate() +} + +// ToJSON returns the JSON representation of this configuration. +func (cfg *Config) ToJSON() ([]byte, error) { + jcfg := cfg.toJSONConfig() + + return config.DefaultJSONMarshal(jcfg) +} + +func (cfg *Config) toJSONConfig() *jsonConfig { + jcfg := &jsonConfig{ + ClusterName: cfg.ClusterName, + PeersetMetric: "", + RebroadcastInterval: "", + } + + if cfg.PeersetMetric != DefaultPeersetMetric { + jcfg.PeersetMetric = cfg.PeersetMetric + // otherwise leave empty/hidden + } + + if cfg.DatastoreNamespace != DefaultDatastoreNamespace { + jcfg.DatastoreNamespace = cfg.DatastoreNamespace + // otherwise leave empty/hidden + } + + if cfg.RebroadcastInterval != DefaultRebroadcastInterval { + jcfg.RebroadcastInterval = cfg.RebroadcastInterval.String() + } + + return jcfg +} + +// Default sets the configuration fields to their default values. +func (cfg *Config) Default() error { + cfg.ClusterName = DefaultClusterName + cfg.RebroadcastInterval = DefaultRebroadcastInterval + cfg.PeersetMetric = DefaultPeersetMetric + cfg.DatastoreNamespace = DefaultDatastoreNamespace + return nil +} + +// ApplyEnvVars fills in any Config fields found +// as environment variables. +func (cfg *Config) ApplyEnvVars() error { + jcfg := cfg.toJSONConfig() + + err := envconfig.Process(envConfigKey, jcfg) + if err != nil { + return err + } + + return cfg.applyJSONConfig(jcfg) +} diff --git a/consensus/crdt/config_test.go b/consensus/crdt/config_test.go new file mode 100644 index 00000000..588b0550 --- /dev/null +++ b/consensus/crdt/config_test.go @@ -0,0 +1,71 @@ +package crdt + +import ( + "os" + "testing" +) + +var cfgJSON = []byte(` +{ + "cluster_name": "test" +} +`) + +func TestLoadJSON(t *testing.T) { + cfg := &Config{} + err := cfg.LoadJSON(cfgJSON) + if err != nil { + t.Fatal(err) + } +} + +func TestToJSON(t *testing.T) { + cfg := &Config{} + cfg.LoadJSON(cfgJSON) + newjson, err := cfg.ToJSON() + if err != nil { + t.Fatal(err) + } + + cfg = &Config{} + err = cfg.LoadJSON(newjson) + if err != nil { + t.Fatal(err) + } +} + +func TestDefault(t *testing.T) { + cfg := &Config{} + cfg.Default() + if cfg.Validate() != nil { + t.Fatal("error validating") + } + + cfg.ClusterName = "" + if cfg.Validate() == nil { + t.Fatal("expected error validating") + } + + cfg.Default() + cfg.PeersetMetric = "" + if cfg.Validate() == nil { + t.Fatal("expected error validating") + } + + cfg.Default() + cfg.RebroadcastInterval = 0 + if cfg.Validate() == nil { + t.Fatal("expected error validating") + } +} + +func TestApplyEnvVars(t *testing.T) { + os.Setenv("CLUSTER_CRDT_CLUSTERNAME", "test2") + cfg := &Config{} + cfg.Default() + cfg.ApplyEnvVars() + + if cfg.ClusterName != "test2" { + t.Fatal("failed to override cluster_name with env var") + } +} diff --git a/consensus/crdt/consensus.go b/consensus/crdt/consensus.go new file mode 100644 index 00000000..b5f1fc41 --- /dev/null +++ b/consensus/crdt/consensus.go @@ -0,0 +1,425 @@ +package crdt + +import ( + "context" + "errors" + "sync" + + ipfslite "github.com/hsanjuan/ipfs-lite" + dshelp "github.com/ipfs/go-ipfs-ds-help" + "github.com/ipfs/ipfs-cluster/api" + "github.com/ipfs/ipfs-cluster/state" + "github.com/ipfs/ipfs-cluster/state/dsstate" + multihash "github.com/multiformats/go-multihash" + + ds "github.com/ipfs/go-datastore" + "github.com/ipfs/go-datastore/namespace" + query "github.com/ipfs/go-datastore/query" + crdt "github.com/ipfs/go-ds-crdt" + logging "github.com/ipfs/go-log" + rpc "github.com/libp2p/go-libp2p-gorpc" + host "github.com/libp2p/go-libp2p-host" + dht "github.com/libp2p/go-libp2p-kad-dht" + peer "github.com/libp2p/go-libp2p-peer" + pubsub "github.com/libp2p/go-libp2p-pubsub" +) + +var logger = logging.Logger("crdt") + +var ( + blocksNs = "b" // blockstore namespace +) + +// Common variables for the module. +var ( + ErrNoLeader = errors.New("crdt consensus component does not provide a leader") + ErrRmPeer = errors.New("crdt consensus component cannot remove peers") +) + +// Consensus implement ipfscluster.Consensus and provides the facility to add +// and remove pins from the Cluster shared state. It uses a CRDT-backed +// implementation of go-datastore (go-ds-crdt). +type Consensus struct { + ctx context.Context + cancel context.CancelFunc + + config *Config + + host host.Host + + store ds.Datastore + namespace ds.Key + + state state.State + crdt *crdt.Datastore + + dht *dht.IpfsDHT + pubsub *pubsub.PubSub + + rpcClient *rpc.Client + rpcReady chan struct{} + readyCh chan struct{} + + shutdownLock sync.RWMutex + shutdown bool +} + +// New creates a new crdt Consensus component. The given PubSub will be used to +// broadcast new heads. The given thread-safe datastore will be used to persist +// data and all will be prefixed with cfg.DatastoreNamespace. +func New( + host host.Host, + dht *dht.IpfsDHT, + pubsub *pubsub.PubSub, + cfg *Config, + store ds.Datastore, +) (*Consensus, error) { + err := cfg.Validate() + if err != nil { + return nil, err + } + + ctx, cancel := context.WithCancel(context.Background()) + + css := &Consensus{ + ctx: ctx, + cancel: cancel, + config: cfg, + host: host, + dht: dht, + store: store, + namespace: ds.NewKey(cfg.DatastoreNamespace), + pubsub: pubsub, + rpcReady: make(chan struct{}, 1), + readyCh: make(chan struct{}, 1), + } + + go css.setup() + return css, nil +} + +func (css *Consensus) setup() { + select { + case <-css.ctx.Done(): + return + case <-css.rpcReady: + } + + // Hash the cluster name and produce the topic name from there + // as a way to avoid pubsub topic collisions with other + // pubsub applications potentially when both potentially use + // simple names like "test". + topicName := css.config.ClusterName + topicHash, err := multihash.Sum([]byte(css.config.ClusterName), multihash.MD5, -1) + if err != nil { + logger.Errorf("error hashing topic: %s", err) + } else { + topicName = topicHash.B58String() + } + + // Validate pubsub messages for our topic (only accept + // from trusted sources) + err = css.pubsub.RegisterTopicValidator( + topicName, + func(ctx context.Context, p peer.ID, msg *pubsub.Message) bool { + // This is where peer authentication will go. + return true + }, + ) + if err != nil { + logger.Errorf("error registering topic validator: %s", err) + } + + var blocksDatastore ds.Batching + blocksDatastore = namespace.Wrap(css.store, css.namespace.ChildString(blocksNs)) + + ipfs, err := ipfslite.New( + css.ctx, + blocksDatastore, + css.host, + css.dht, + &ipfslite.Config{ + Offline: false, + }, + ) + if err != nil { + logger.Errorf("error creating ipfs-lite: %s", err) + return + } + + dagSyncer := newLiteDAGSyncer(css.ctx, ipfs) + + broadcaster, err := crdt.NewPubSubBroadcaster( + css.ctx, + css.pubsub, + topicName, // subscription name + ) + if err != nil { + logger.Errorf("error creating broadcaster: %s", err) + return + } + + opts := crdt.DefaultOptions() + opts.RebroadcastInterval = css.config.RebroadcastInterval + opts.Logger = logger + opts.PutHook = func(k ds.Key, v []byte) { + pin := &api.Pin{} + err := pin.ProtoUnmarshal(v) + if err != nil { + logger.Error(err) + return + } + + // TODO: tracing for this context + err = css.rpcClient.CallContext( + css.ctx, + "", + "Cluster", + "Track", + pin, + &struct{}{}, + ) + if err != nil { + logger.Error(err) + } + } + opts.DeleteHook = func(k ds.Key) { + c, err := dshelp.DsKeyToCid(k) + if err != nil { + logger.Error(err, k) + return + } + pin := api.PinCid(c) + + err = css.rpcClient.CallContext( + css.ctx, + "", + "Cluster", + "Untrack", + pin, + &struct{}{}, + ) + if err != nil { + logger.Error(err) + } + } + + crdt, err := crdt.New( + css.store, + css.namespace, + dagSyncer, + broadcaster, + opts, + ) + if err != nil { + logger.Error(err) + return + } + + css.crdt = crdt + + clusterState, err := dsstate.New( + css.crdt, + // unsure if we should set something else but crdt is already + // namespaced and this would only namespace the keys, which only + // complicates things. + "", + dsstate.DefaultHandle(), + ) + if err != nil { + logger.Errorf("error creating cluster state datastore: %s", err) + return + } + css.state = clusterState + css.readyCh <- struct{}{} +} + +// Shutdown closes this component, cancelling the pubsub subscription. +func (css *Consensus) Shutdown(ctx context.Context) error { + css.shutdownLock.Lock() + defer css.shutdownLock.Unlock() + + if css.shutdown { + logger.Debug("already shutdown") + return nil + } + + logger.Info("stopping Consensus component") + + css.cancel() + + // Only close crdt after cancelling the context, otherwise + // the pubsub broadcaster stays on and locks it. + if crdt := css.crdt; crdt != nil { + crdt.Close() + } + + if css.config.hostShutdown { + css.host.Close() + } + + css.shutdown = true + close(css.rpcReady) + return nil +} + +// SetClient gives the component the ability to communicate and +// leaves it ready to use. +func (css *Consensus) SetClient(c *rpc.Client) { + css.rpcClient = c + css.rpcReady <- struct{}{} +} + +// Ready returns a channel which is signalled when the component +// is ready to use. +func (css *Consensus) Ready(ctx context.Context) <-chan struct{} { + return css.readyCh +} + +// LogPin adds a new pin to the shared state. +func (css *Consensus) LogPin(ctx context.Context, pin *api.Pin) error { + return css.state.Add(ctx, pin) +} + +// LogUnpin removes a pin from the shared state. +func (css *Consensus) LogUnpin(ctx context.Context, pin *api.Pin) error { + return css.state.Rm(ctx, pin.Cid) +} + +// Peers returns the current known peerset. It uses +// the monitor component and considers every peer with +// valid known metrics a member. +func (css *Consensus) Peers(ctx context.Context) ([]peer.ID, error) { + var metrics []*api.Metric + + err := css.rpcClient.CallContext( + ctx, + "", + "Cluster", + "PeerMonitorLatestMetrics", + css.config.PeersetMetric, + &metrics, + ) + if err != nil { + return nil, err + } + + var peers []peer.ID + + selfIncluded := false + for _, m := range metrics { + peers = append(peers, m.Peer) + if m.Peer == css.host.ID() { + selfIncluded = true + } + } + + // Always include self + if !selfIncluded { + peers = append(peers, css.host.ID()) + } + + return peers, nil +} + +// WaitForSync is a no-op as it is not necessary to be fully synced for the +// component to be usable. +func (css *Consensus) WaitForSync(ctx context.Context) error { return nil } + +// AddPeer is a no-op as we do not need to do peerset management with +// Merkle-CRDTs. Therefore adding a peer to the peerset means doing nothing. +func (css *Consensus) AddPeer(ctx context.Context, pid peer.ID) error { return nil } + +// RmPeer is a no-op which always errors, as, since we do not do peerset +// management, we also have no ability to remove a peer from it. +func (css *Consensus) RmPeer(ctx context.Context, pid peer.ID) error { + return ErrRmPeer +} + +// State returns the cluster shared state. +func (css *Consensus) State(ctx context.Context) (state.ReadOnly, error) { return css.state, nil } + +// Clean deletes all crdt-consensus datas from the datastore. +func (css *Consensus) Clean(ctx context.Context) error { + return Clean(ctx, css.config, css.store) +} + +// Clean deletes all crdt-consensus datas from the given datastore. +func Clean(ctx context.Context, cfg *Config, store ds.Datastore) error { + logger.Info("cleaning all CRDT data from datastore") + q := query.Query{ + Prefix: cfg.DatastoreNamespace, + KeysOnly: true, + } + + results, err := store.Query(q) + if err != nil { + return err + } + defer results.Close() + + for r := range results.Next() { + if r.Error != nil { + return err + } + k := ds.NewKey(r.Key) + err := store.Delete(k) + if err != nil { + // do not die, continue cleaning + logger.Error(err) + } + } + return nil +} + +// Leader returns ErrNoLeader. +func (css *Consensus) Leader(ctx context.Context) (peer.ID, error) { + return "", ErrNoLeader +} + +// OfflineState returns an offline, read-only batching state using the given +// datastore. Any writes to this state are processed through the given +// ipfs connector (the state is offline as it does not require a +// running cluster peer). +func OfflineState(cfg *Config, store ds.Datastore) (state.BatchingState, error) { + batching, ok := store.(ds.Batching) + if !ok { + return nil, errors.New("must provide a Bathing datastore") + } + opts := crdt.DefaultOptions() + opts.Logger = logger + + var blocksDatastore ds.Batching + blocksDatastore = namespace.Wrap( + batching, + ds.NewKey(cfg.DatastoreNamespace).ChildString(blocksNs), + ) + + ipfs, err := ipfslite.New( + context.Background(), + blocksDatastore, + nil, + nil, + &ipfslite.Config{ + Offline: true, + }, + ) + + if err != nil { + return nil, err + } + + dags := newLiteDAGSyncer(context.Background(), ipfs) + + crdt, err := crdt.New( + batching, + ds.NewKey(cfg.DatastoreNamespace), + dags, + nil, + opts, + ) + if err != nil { + return nil, err + } + return dsstate.NewBatching(crdt, "", dsstate.DefaultHandle()) +} diff --git a/consensus/crdt/consensus_test.go b/consensus/crdt/consensus_test.go new file mode 100644 index 00000000..fc722930 --- /dev/null +++ b/consensus/crdt/consensus_test.go @@ -0,0 +1,293 @@ +package crdt + +import ( + "context" + "fmt" + "testing" + "time" + + cid "github.com/ipfs/go-cid" + "github.com/ipfs/ipfs-cluster/api" + "github.com/ipfs/ipfs-cluster/datastore/inmem" + "github.com/ipfs/ipfs-cluster/test" + + libp2p "github.com/libp2p/go-libp2p" + host "github.com/libp2p/go-libp2p-host" + dht "github.com/libp2p/go-libp2p-kad-dht" + peerstore "github.com/libp2p/go-libp2p-peerstore" + pubsub "github.com/libp2p/go-libp2p-pubsub" + routedhost "github.com/libp2p/go-libp2p/p2p/host/routed" +) + +func makeTestingHost(t *testing.T) (host.Host, *pubsub.PubSub, *dht.IpfsDHT) { + ctx := context.Background() + h, err := libp2p.New( + ctx, + libp2p.ListenAddrStrings("/ip4/127.0.0.1/tcp/0"), + ) + if err != nil { + t.Fatal(err) + } + + psub, err := pubsub.NewGossipSub( + ctx, + h, + pubsub.WithMessageSigning(true), + pubsub.WithStrictSignatureVerification(true), + ) + if err != nil { + h.Close() + t.Fatal(err) + } + + idht, err := dht.New(ctx, h) + if err != nil { + h.Close() + t.Fatal(err) + } + + btstrCfg := dht.BootstrapConfig{ + Queries: 1, + Period: 200 * time.Millisecond, + Timeout: 100 * time.Millisecond, + } + + err = idht.BootstrapWithConfig(ctx, btstrCfg) + if err != nil { + h.Close() + t.Fatal(err) + } + + rHost := routedhost.Wrap(h, idht) + return rHost, psub, idht +} + +func testingConsensus(t *testing.T, idn int) *Consensus { + h, psub, dht := makeTestingHost(t) + + cfg := &Config{} + cfg.Default() + cfg.DatastoreNamespace = fmt.Sprintf("crdttest-%d", idn) + cfg.hostShutdown = true + + cc, err := New(h, dht, psub, cfg, inmem.New()) + if err != nil { + t.Fatal("cannot create Consensus:", err) + } + cc.SetClient(test.NewMockRPCClientWithHost(t, h)) + <-cc.Ready(context.Background()) + return cc +} + +func clean(t *testing.T, cc *Consensus) { + err := cc.Clean(context.Background()) + if err != nil { + t.Error(err) + } +} + +func testPin(c cid.Cid) *api.Pin { + p := api.PinCid(c) + p.ReplicationFactorMin = -1 + p.ReplicationFactorMax = -1 + return p +} + +func TestShutdownConsensus(t *testing.T) { + ctx := context.Background() + cc := testingConsensus(t, 1) + defer clean(t, cc) + err := cc.Shutdown(ctx) + if err != nil { + t.Fatal("Consensus cannot shutdown:", err) + } + err = cc.Shutdown(ctx) // should be fine to shutdown twice + if err != nil { + t.Fatal("Consensus should be able to shutdown several times") + } +} + +func TestConsensusPin(t *testing.T) { + ctx := context.Background() + cc := testingConsensus(t, 1) + defer clean(t, cc) + defer cc.Shutdown(ctx) + + err := cc.LogPin(ctx, testPin(test.Cid1)) + if err != nil { + t.Error(err) + } + + time.Sleep(250 * time.Millisecond) + st, err := cc.State(ctx) + if err != nil { + t.Fatal("error getting state:", err) + } + + pins, err := st.List(ctx) + if err != nil { + t.Fatal(err) + } + if len(pins) != 1 || !pins[0].Cid.Equals(test.Cid1) { + t.Error("the added pin should be in the state") + } +} + +func TestConsensusUnpin(t *testing.T) { + ctx := context.Background() + cc := testingConsensus(t, 1) + defer clean(t, cc) + defer cc.Shutdown(ctx) + + err := cc.LogPin(ctx, testPin(test.Cid1)) + if err != nil { + t.Error(err) + } + + err = cc.LogUnpin(ctx, api.PinCid(test.Cid1)) + if err != nil { + t.Error(err) + } +} + +func TestConsensusUpdate(t *testing.T) { + ctx := context.Background() + cc := testingConsensus(t, 1) + defer clean(t, cc) + defer cc.Shutdown(ctx) + + // Pin first + pin := testPin(test.Cid1) + pin.Type = api.ShardType + err := cc.LogPin(ctx, pin) + if err != nil { + t.Fatal(err) + } + time.Sleep(250 * time.Millisecond) + + // Update pin + pin.Reference = &test.Cid2 + err = cc.LogPin(ctx, pin) + if err != nil { + t.Error(err) + } + + time.Sleep(250 * time.Millisecond) + st, err := cc.State(ctx) + if err != nil { + t.Fatal("error getting state:", err) + } + + pins, err := st.List(ctx) + if err != nil { + t.Fatal(err) + } + if len(pins) != 1 || !pins[0].Cid.Equals(test.Cid1) { + t.Error("the added pin should be in the state") + } + if !pins[0].Reference.Equals(test.Cid2) { + t.Error("pin updated incorrectly") + } +} + +func TestConsensusAddRmPeer(t *testing.T) { + ctx := context.Background() + cc := testingConsensus(t, 1) + cc2 := testingConsensus(t, 2) + defer clean(t, cc) + defer clean(t, cc) + defer cc.Shutdown(ctx) + defer cc2.Shutdown(ctx) + + cc.host.Peerstore().AddAddrs(cc2.host.ID(), cc2.host.Addrs(), peerstore.PermanentAddrTTL) + _, err := cc.host.Network().DialPeer(ctx, cc2.host.ID()) + if err != nil { + t.Fatal(err) + } + time.Sleep(100 * time.Millisecond) + + err = cc.AddPeer(ctx, cc2.host.ID()) + if err != nil { + t.Error("could not add peer:", err) + } + + // Make a pin on peer1 and check it arrived to peer2 + err = cc.LogPin(ctx, testPin(test.Cid1)) + if err != nil { + t.Error(err) + } + + time.Sleep(250 * time.Millisecond) + st, err := cc2.State(ctx) + if err != nil { + t.Fatal("error getting state:", err) + } + + pins, err := st.List(ctx) + if err != nil { + t.Fatal(err) + } + if len(pins) != 1 || !pins[0].Cid.Equals(test.Cid1) { + t.Error("the added pin should be in the state") + } + + err = cc2.RmPeer(ctx, cc.host.ID()) + if err == nil { + t.Error("crdt consensus should not remove pins") + } +} + +func TestPeers(t *testing.T) { + ctx := context.Background() + cc := testingConsensus(t, 1) + defer clean(t, cc) + defer cc.Shutdown(ctx) + + peers, err := cc.Peers(ctx) + if err != nil { + t.Fatal(err) + } + + // 1 is ourselves and the other comes from rpc + // mock PeerMonitorLatestMetrics + if len(peers) != 2 { + t.Error("unexpected number of peers") + } +} + +func TestOfflineState(t *testing.T) { + ctx := context.Background() + cc := testingConsensus(t, 1) + defer clean(t, cc) + defer cc.Shutdown(ctx) + + // Make pin 1 + err := cc.LogPin(ctx, testPin(test.Cid1)) + if err != nil { + t.Error(err) + } + + // Make pin 2 + err = cc.LogPin(ctx, testPin(test.Cid2)) + if err != nil { + t.Error(err) + } + + err = cc.Shutdown(ctx) + if err != nil { + t.Fatal(err) + } + + offlineState, err := OfflineState(cc.config, cc.store) + if err != nil { + t.Fatal(err) + } + + pins, err := offlineState.List(ctx) + if err != nil { + t.Fatal(err) + } + if len(pins) != 2 { + t.Error("there should be two pins in the state") + } +} diff --git a/consensus/crdt/dagsyncer.go b/consensus/crdt/dagsyncer.go new file mode 100644 index 00000000..8828e21c --- /dev/null +++ b/consensus/crdt/dagsyncer.go @@ -0,0 +1,73 @@ +package crdt + +import ( + "context" + "time" + + ipfslite "github.com/hsanjuan/ipfs-lite" + cid "github.com/ipfs/go-cid" + blockstore "github.com/ipfs/go-ipfs-blockstore" + ipld "github.com/ipfs/go-ipld-format" +) + +// A DAGSyncer component implementation using ipfs-lite. +type liteDAGSyncer struct { + getter ipld.NodeGetter + dags ipld.DAGService + + ipfs *ipfslite.Peer + blockstore blockstore.Blockstore + + timeout time.Duration +} + +func newLiteDAGSyncer(ctx context.Context, ipfs *ipfslite.Peer) *liteDAGSyncer { + return &liteDAGSyncer{ + getter: ipfs, // should we use ipfs.Session() ?? + dags: ipfs, + ipfs: ipfs, + blockstore: ipfs.BlockStore(), + timeout: time.Minute, + } +} + +func (lds *liteDAGSyncer) HasBlock(c cid.Cid) (bool, error) { + return lds.ipfs.HasBlock(c) +} + +func (lds *liteDAGSyncer) Get(ctx context.Context, c cid.Cid) (ipld.Node, error) { + ctx, cancel := context.WithTimeout(ctx, lds.timeout) + defer cancel() + return lds.getter.Get(ctx, c) +} + +func (lds *liteDAGSyncer) GetMany(ctx context.Context, cs []cid.Cid) <-chan *ipld.NodeOption { + ctx, cancel := context.WithTimeout(ctx, lds.timeout) + defer cancel() + return lds.getter.GetMany(ctx, cs) +} + +func (lds *liteDAGSyncer) Add(ctx context.Context, n ipld.Node) error { + ctx, cancel := context.WithTimeout(ctx, lds.timeout) + defer cancel() + return lds.dags.Add(ctx, n) +} + +func (lds *liteDAGSyncer) AddMany(ctx context.Context, nds []ipld.Node) error { + ctx, cancel := context.WithTimeout(ctx, lds.timeout) + defer cancel() + return lds.dags.AddMany(ctx, nds) + +} + +func (lds *liteDAGSyncer) Remove(ctx context.Context, c cid.Cid) error { + ctx, cancel := context.WithTimeout(ctx, lds.timeout) + defer cancel() + return lds.dags.Remove(ctx, c) +} + +func (lds *liteDAGSyncer) RemoveMany(ctx context.Context, cs []cid.Cid) error { + ctx, cancel := context.WithTimeout(ctx, lds.timeout) + defer cancel() + return lds.dags.RemoveMany(ctx, cs) +} diff --git a/consensus/raft/config.go b/consensus/raft/config.go index 5cfdf227..8f6ad151 100644 --- a/consensus/raft/config.go +++ b/consensus/raft/config.go @@ -28,6 +28,7 @@ var ( DefaultNetworkTimeout = 10 * time.Second DefaultCommitRetryDelay = 200 * time.Millisecond DefaultBackupsRotate = 6 + DefaultDatastoreNamespace = "/r" // from "/raft" ) // Config allows to configure the Raft Consensus component for ipfs-cluster. @@ -60,12 +61,13 @@ type Config struct { // BackupsRotate specifies the maximum number of Raft's DataFolder // copies that we keep as backups (renaming) after cleanup. BackupsRotate int + // Namespace to use when writing keys to the datastore + DatastoreNamespace string // A Hashicorp Raft's configuration object. RaftConfig *hraft.Config - // Tracing enables propagation of contexts across binary boundary in - // consensus component + // Tracing enables propagation of contexts across binary boundaries. Tracing bool } @@ -101,6 +103,8 @@ type jsonConfig struct { // copies that we keep as backups (renaming) after cleanup. BackupsRotate int `json:"backups_rotate"` + DatastoreNamespace string `json:"datastore_namespace,omitempty"` + // HeartbeatTimeout specifies the time in follower state without // a leader before we attempt an election. HeartbeatTimeout string `json:"heartbeat_timeout,omitempty"` @@ -242,7 +246,7 @@ func (cfg *Config) ToJSON() ([]byte, error) { } func (cfg *Config) toJSONConfig() *jsonConfig { - return &jsonConfig{ + jcfg := &jsonConfig{ DataFolder: cfg.DataFolder, InitPeerset: api.PeersToStrings(cfg.InitPeerset), WaitForLeaderTimeout: cfg.WaitForLeaderTimeout.String(), @@ -259,6 +263,11 @@ func (cfg *Config) toJSONConfig() *jsonConfig { SnapshotThreshold: cfg.RaftConfig.SnapshotThreshold, LeaderLeaseTimeout: cfg.RaftConfig.LeaderLeaseTimeout.String(), } + if cfg.DatastoreNamespace != DefaultDatastoreNamespace { + jcfg.DatastoreNamespace = cfg.DatastoreNamespace + // otherwise leave empty so it gets ommitted. + } + return jcfg } // Default initializes this configuration with working defaults. @@ -270,6 +279,7 @@ func (cfg *Config) Default() error { cfg.CommitRetries = DefaultCommitRetries cfg.CommitRetryDelay = DefaultCommitRetryDelay cfg.BackupsRotate = DefaultBackupsRotate + cfg.DatastoreNamespace = DefaultDatastoreNamespace cfg.RaftConfig = hraft.DefaultConfig() // These options are imposed over any Default Raft Config. diff --git a/consensus/raft/consensus.go b/consensus/raft/consensus.go index ced96cf3..7328f357 100644 --- a/consensus/raft/consensus.go +++ b/consensus/raft/consensus.go @@ -15,7 +15,9 @@ import ( "github.com/ipfs/ipfs-cluster/api" "github.com/ipfs/ipfs-cluster/state" + "github.com/ipfs/ipfs-cluster/state/dsstate" + ds "github.com/ipfs/go-datastore" logging "github.com/ipfs/go-log" consensus "github.com/libp2p/go-libp2p-consensus" rpc "github.com/libp2p/go-libp2p-gorpc" @@ -25,7 +27,7 @@ import ( ma "github.com/multiformats/go-multiaddr" ) -var logger = logging.Logger("consensus") +var logger = logging.Logger("raft") // Consensus handles the work of keeping a shared-state between // the peers of an IPFS Cluster, as well as modifying that state and @@ -50,15 +52,20 @@ type Consensus struct { shutdown bool } -// NewConsensus builds a new ClusterConsensus component using Raft. The state -// is used to initialize the Consensus system, so any information -// in it is discarded once the raft state is loaded. -// The singlePeer parameter controls whether this Raft peer is be expected to -// join a cluster or it should run on its own. +// NewConsensus builds a new ClusterConsensus component using Raft. +// +// Raft saves state snapshots regularly and persists log data in a bolt +// datastore. Therefore, unless memory usage is a concern, it is recommended +// to use an in-memory go-datastore as store parameter. +// +// The staging parameter controls if the Raft peer should start in +// staging mode (used when joining a new Raft peerset with other peers). +// +// The store parameter should be a thread-safe datastore. func NewConsensus( host host.Host, cfg *Config, - state state.State, + store ds.Datastore, staging bool, // this peer must not be bootstrapped if no state exists ) (*Consensus, error) { err := cfg.Validate() @@ -66,9 +73,16 @@ func NewConsensus( return nil, err } - baseOp := &LogOp{tracing: cfg.Tracing} - logger.Debug("starting Consensus and waiting for a leader...") + baseOp := &LogOp{tracing: cfg.Tracing} + state, err := dsstate.New( + store, + cfg.DatastoreNamespace, + dsstate.DefaultHandle(), + ) + if err != nil { + return nil, err + } consensus := libp2praft.NewOpLog(state, baseOp) raft, err := newRaftWrapper(host, cfg, consensus.FSM(), staging) if err != nil { @@ -385,6 +399,7 @@ func (cc *Consensus) AddPeer(ctx context.Context, pid peer.ID) error { // Being here means we are the leader and can commit cc.shutdownLock.RLock() // do not shutdown while committing finalErr = cc.raft.AddPeer(ctx, peer.IDB58Encode(pid)) + cc.shutdownLock.RUnlock() if finalErr != nil { time.Sleep(cc.config.CommitRetryDelay) @@ -426,15 +441,20 @@ func (cc *Consensus) RmPeer(ctx context.Context, pid peer.ID) error { return finalErr } -// State retrieves the current consensus State. It may error -// if no State has been agreed upon or the state is not -// consistent. The returned State is the last agreed-upon -// State known by this node. -func (cc *Consensus) State(ctx context.Context) (state.State, error) { +// State retrieves the current consensus State. It may error if no State has +// been agreed upon or the state is not consistent. The returned State is the +// last agreed-upon State known by this node. No writes are allowed, as all +// writes to the shared state should happen through the Consensus component +// methods. +func (cc *Consensus) State(ctx context.Context) (state.ReadOnly, error) { ctx, span := trace.StartSpan(ctx, "consensus/State") defer span.End() st, err := cc.consensus.GetLogHead() + if err == libp2praft.ErrNoState { + return state.Empty(), nil + } + if err != nil { return nil, err } @@ -456,8 +476,7 @@ func (cc *Consensus) Leader(ctx context.Context) (peer.ID, error) { return raftactor.Leader() } -// Clean removes all raft data from disk. Next time -// a full new peer will be bootstrapped. +// Clean removes the Raft persisted state. func (cc *Consensus) Clean(ctx context.Context) error { ctx, span := trace.StartSpan(ctx, "consensus/Clean") defer span.End() @@ -468,11 +487,7 @@ func (cc *Consensus) Clean(ctx context.Context) error { return errors.New("consensus component is not shutdown") } - err := cc.raft.Clean() - if err != nil { - return err - } - return nil + return CleanupRaft(cc.config) } // Rollback replaces the current agreed-upon @@ -522,3 +537,28 @@ func parsePIDFromMultiaddr(addr ma.Multiaddr) string { } return pidstr } + +// OfflineState state returns a cluster state by reading the Raft data and +// writing it to the given datastore which is then wrapped as a state.State. +// Usually an in-memory datastore suffices. The given datastore should be +// thread-safe. +func OfflineState(cfg *Config, store ds.Datastore) (state.State, error) { + r, snapExists, err := LastStateRaw(cfg) + if err != nil { + return nil, err + } + + st, err := dsstate.New(store, cfg.DatastoreNamespace, dsstate.DefaultHandle()) + if err != nil { + return nil, err + } + if !snapExists { + return st, nil + } + + err = st.Unmarshal(r) + if err != nil { + return nil, err + } + return st, nil +} diff --git a/consensus/raft/consensus_test.go b/consensus/raft/consensus_test.go index b7c8a8a4..3585219f 100644 --- a/consensus/raft/consensus_test.go +++ b/consensus/raft/consensus_test.go @@ -8,7 +8,8 @@ import ( "time" "github.com/ipfs/ipfs-cluster/api" - "github.com/ipfs/ipfs-cluster/state/mapstate" + "github.com/ipfs/ipfs-cluster/datastore/inmem" + "github.com/ipfs/ipfs-cluster/state/dsstate" "github.com/ipfs/ipfs-cluster/test" cid "github.com/ipfs/go-cid" @@ -43,14 +44,13 @@ func testingConsensus(t *testing.T, idn int) *Consensus { ctx := context.Background() cleanRaft(idn) h := makeTestingHost(t) - st := mapstate.NewMapState() cfg := &Config{} cfg.Default() cfg.DataFolder = fmt.Sprintf("raftFolderFromTests-%d", idn) cfg.hostShutdown = true - cc, err := NewConsensus(h, cfg, st, false) + cc, err := NewConsensus(h, cfg, inmem.New(), false) if err != nil { t.Fatal("cannot create Consensus:", err) } @@ -100,7 +100,10 @@ func TestConsensusPin(t *testing.T) { t.Fatal("error getting state:", err) } - pins := st.List(ctx) + pins, err := st.List(ctx) + if err != nil { + t.Fatal(err) + } if len(pins) != 1 || !pins[0].Cid.Equals(test.Cid1) { t.Error("the added pin should be in the state") } @@ -146,7 +149,10 @@ func TestConsensusUpdate(t *testing.T) { t.Fatal("error getting state:", err) } - pins := st.List(ctx) + pins, err := st.List(ctx) + if err != nil { + t.Fatal(err) + } if len(pins) != 1 || !pins[0].Cid.Equals(test.Cid1) { t.Error("the added pin should be in the state") } @@ -298,7 +304,10 @@ func TestRaftLatestSnapshot(t *testing.T) { } // Call raft.LastState and ensure we get the correct state - snapState := mapstate.NewMapState() + snapState, err := dsstate.New(inmem.New(), "", dsstate.DefaultHandle()) + if err != nil { + t.Fatal(err) + } r, snapExists, err := LastStateRaw(cc.config) if !snapExists { t.Fatal("No snapshot found by LastStateRaw") @@ -306,11 +315,14 @@ func TestRaftLatestSnapshot(t *testing.T) { if err != nil { t.Fatal("Error while taking snapshot", err) } - err = snapState.Migrate(ctx, r) + err = snapState.Unmarshal(r) if err != nil { t.Fatal("Snapshot bytes returned could not restore to state: ", err) } - pins := snapState.List(ctx) + pins, err := snapState.List(ctx) + if err != nil { + t.Fatal(err) + } if len(pins) != 3 { t.Fatal("Latest snapshot not read") } diff --git a/consensus/raft/log_op_test.go b/consensus/raft/log_op_test.go index 5d5b20e0..e52f49f2 100644 --- a/consensus/raft/log_op_test.go +++ b/consensus/raft/log_op_test.go @@ -5,7 +5,8 @@ import ( "testing" "github.com/ipfs/ipfs-cluster/api" - "github.com/ipfs/ipfs-cluster/state/mapstate" + "github.com/ipfs/ipfs-cluster/datastore/inmem" + "github.com/ipfs/ipfs-cluster/state/dsstate" "github.com/ipfs/ipfs-cluster/test" ) @@ -20,9 +21,16 @@ func TestApplyToPin(t *testing.T) { defer cleanRaft(1) defer cc.Shutdown(ctx) - st := mapstate.NewMapState() + st, err := dsstate.New(inmem.New(), "", dsstate.DefaultHandle()) + if err != nil { + t.Fatal(err) + } op.ApplyTo(st) - pins := st.List(ctx) + + pins, err := st.List(ctx) + if err != nil { + t.Fatal(err) + } if len(pins) != 1 || !pins[0].Cid.Equals(test.Cid1) { t.Error("the state was not modified correctly") } @@ -39,10 +47,16 @@ func TestApplyToUnpin(t *testing.T) { defer cleanRaft(1) defer cc.Shutdown(ctx) - st := mapstate.NewMapState() + st, err := dsstate.New(inmem.New(), "", dsstate.DefaultHandle()) + if err != nil { + t.Fatal(err) + } st.Add(ctx, testPin(test.Cid1)) op.ApplyTo(st) - pins := st.List(ctx) + pins, err := st.List(ctx) + if err != nil { + t.Fatal(err) + } if len(pins) != 0 { t.Error("the state was not modified correctly") } @@ -63,21 +77,3 @@ func TestApplyToBadState(t *testing.T) { var st interface{} op.ApplyTo(st) } - -// func TestApplyToBadCid(t *testing.T) { -// defer func() { -// if r := recover(); r == nil { -// t.Error("should have recovered an error") -// } -// }() - -// op := &LogOp{ -// Cid: api.PinSerial{Cid: "agadfaegf"}, -// Type: LogOpPin, -// ctx: context.Background(), -// rpcClient: test.NewMockRPCClient(t), -// } - -// st := mapstate.NewMapState() -// op.ApplyTo(st) -// } diff --git a/consensus/raft/logging.go b/consensus/raft/logging.go index 33440b62..cb394869 100644 --- a/consensus/raft/logging.go +++ b/consensus/raft/logging.go @@ -26,7 +26,7 @@ type logForwarder struct { } var raftStdLogger = log.New(&logForwarder{}, "", 0) -var raftLogger = logging.Logger("raft") +var raftLogger = logging.Logger("raftlib") // Write forwards to our go-log logger. // According to https://golang.org/pkg/log/#Logger.Output diff --git a/consensus/raft/raft.go b/consensus/raft/raft.go index 31438f4d..8d1f67fa 100644 --- a/consensus/raft/raft.go +++ b/consensus/raft/raft.go @@ -616,7 +616,7 @@ func SnapshotSave(cfg *Config, newState state.State, pids []peer.ID) error { raftIndex = meta.Index raftTerm = meta.Term srvCfg = meta.Configuration - CleanupRaft(dataFolder, cfg.BackupsRotate) + CleanupRaft(cfg) } else { // Begin the log after the index of a fresh start so that // the snapshot's state propagate's during bootstrap @@ -649,7 +649,10 @@ func SnapshotSave(cfg *Config, newState state.State, pids []peer.ID) error { } // CleanupRaft moves the current data folder to a backup location -func CleanupRaft(dataFolder string, keep int) error { +func CleanupRaft(cfg *Config) error { + dataFolder := cfg.GetDataFolder() + keep := cfg.BackupsRotate + meta, _, err := latestSnapshot(dataFolder) if meta == nil && err == nil { // no snapshots at all. Avoid creating backups @@ -672,7 +675,7 @@ func CleanupRaft(dataFolder string, keep int) error { // only call when Raft is shutdown func (rw *raftWrapper) Clean() error { - return CleanupRaft(rw.config.GetDataFolder(), rw.config.BackupsRotate) + return CleanupRaft(rw.config) } func find(s []string, elem string) bool { diff --git a/datastore/badger/badger.go b/datastore/badger/badger.go new file mode 100644 index 00000000..0201361f --- /dev/null +++ b/datastore/badger/badger.go @@ -0,0 +1,33 @@ +// Package badger provides a configurable BadgerDB go-datastore for use with +// IPFS Cluster. +package badger + +import ( + "os" + + ds "github.com/ipfs/go-datastore" + badgerds "github.com/ipfs/go-ds-badger" + "github.com/pkg/errors" +) + +// New returns a BadgerDB datastore configured with the given +// configuration. +func New(cfg *Config) (ds.Datastore, error) { + folder := cfg.GetFolder() + err := os.MkdirAll(folder, 0700) + if err != nil { + return nil, errors.Wrap(err, "creating badger folder") + } + opts := &badgerds.DefaultOptions + return badgerds.NewDatastore(folder, opts) +} + +// Cleanup deletes the badger datastore. +func Cleanup(cfg *Config) error { + folder := cfg.GetFolder() + if _, err := os.Stat(folder); os.IsNotExist(err) { + return nil + } + return os.RemoveAll(cfg.GetFolder()) + +} diff --git a/datastore/badger/config.go b/datastore/badger/config.go new file mode 100644 index 00000000..20d7e2ef --- /dev/null +++ b/datastore/badger/config.go @@ -0,0 +1,113 @@ +package badger + +import ( + "encoding/json" + "errors" + "path/filepath" + + "github.com/kelseyhightower/envconfig" + + "github.com/ipfs/ipfs-cluster/config" +) + +const configKey = "badger" +const envConfigKey = "cluster_badger" + +// Default values for badger Config +const ( + DefaultSubFolder = "badger" +) + +// Config is used to initialize a BadgerDB datastore. It implements the +// ComponentConfig interface. +type Config struct { + config.Saver + + // The folder for this datastore. Non-absolute paths are relative to + // the base configuration folder. + Folder string +} + +type jsonConfig struct { + Folder string `json:"folder,omitempty"` +} + +// ConfigKey returns a human-friendly identifier for this type of Datastore. +func (cfg *Config) ConfigKey() string { + return configKey +} + +// Default initializes this Config with sensible values. +func (cfg *Config) Default() error { + cfg.Folder = DefaultSubFolder + return nil +} + +// ApplyEnvVars fills in any Config fields found as environment variables. +func (cfg *Config) ApplyEnvVars() error { + jcfg := cfg.toJSONConfig() + + err := envconfig.Process(envConfigKey, jcfg) + if err != nil { + return err + } + + return cfg.applyJSONConfig(jcfg) +} + +// Validate checks that the fields of this Config have working values, +// at least in appearance. +func (cfg *Config) Validate() error { + if cfg.Folder == "" { + return errors.New("folder is unset") + } + + return nil +} + +// LoadJSON reads the fields of this Config from a JSON byteslice as +// generated by ToJSON. +func (cfg *Config) LoadJSON(raw []byte) error { + jcfg := &jsonConfig{} + err := json.Unmarshal(raw, jcfg) + if err != nil { + return err + } + + cfg.Default() + + return cfg.applyJSONConfig(jcfg) +} + +func (cfg *Config) applyJSONConfig(jcfg *jsonConfig) error { + config.SetIfNotDefault(jcfg.Folder, &cfg.Folder) + return cfg.Validate() +} + +// ToJSON generates a JSON-formatted human-friendly representation of this +// Config. +func (cfg *Config) ToJSON() (raw []byte, err error) { + jcfg := cfg.toJSONConfig() + + raw, err = config.DefaultJSONMarshal(jcfg) + return +} + +func (cfg *Config) toJSONConfig() *jsonConfig { + jCfg := &jsonConfig{} + + if cfg.Folder != DefaultSubFolder { + jCfg.Folder = cfg.Folder + } + + return jCfg +} + +// GetFolder returns the BadgerDB folder. +func (cfg *Config) GetFolder() string { + if filepath.IsAbs(cfg.Folder) { + return cfg.Folder + } + + return filepath.Join(cfg.BaseDir, cfg.Folder) +} diff --git a/datastore/inmem/inmem.go b/datastore/inmem/inmem.go new file mode 100644 index 00000000..a6ef5e54 --- /dev/null +++ b/datastore/inmem/inmem.go @@ -0,0 +1,14 @@ +// Package inmem provides a in-memory thread-safe datastore for use with +// Cluster. +package inmem + +import ( + ds "github.com/ipfs/go-datastore" + sync "github.com/ipfs/go-datastore/sync" +) + +// New returns a new thread-safe in-memory go-datastore. +func New() ds.Datastore { + mapDs := ds.NewMapDatastore() + return sync.MutexWrap(mapDs) +} diff --git a/go.mod b/go.mod index fe2bd3ed..0e8c9ea9 100644 --- a/go.mod +++ b/go.mod @@ -1,24 +1,33 @@ module github.com/ipfs/ipfs-cluster require ( + github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9 // indirect github.com/blang/semver v3.5.1+incompatible github.com/boltdb/bolt v1.3.1 // indirect + github.com/btcsuite/btcd v0.0.0-20190410025418-9bfb2ca0346b // indirect + github.com/coreos/go-semver v0.3.0 // indirect + github.com/dgryski/go-farm v0.0.0-20190416075124-e1214b5e05dc // indirect github.com/dustin/go-humanize v1.0.0 github.com/gogo/protobuf v1.2.1 - github.com/golang/protobuf v1.3.0 + github.com/golang/protobuf v1.3.1 github.com/google/uuid v1.1.1 - github.com/gorilla/mux v1.7.0 + github.com/gopherjs/gopherjs v0.0.0-20190411002643-bd77b112433e // indirect + github.com/gorilla/mux v1.7.1 github.com/hashicorp/go-uuid v1.0.1 // indirect github.com/hashicorp/raft v1.0.0 github.com/hashicorp/raft-boltdb v0.0.0-20171010151810-6e5ba93211ea - github.com/hsanjuan/go-libp2p-gostream v0.0.30 - github.com/hsanjuan/go-libp2p-http v0.0.1 - github.com/huin/goupnp v1.0.0 // indirect + github.com/hsanjuan/go-libp2p-gostream v0.0.31 + github.com/hsanjuan/go-libp2p-http v0.0.2 + github.com/hsanjuan/ipfs-lite v0.0.2 + github.com/ipfs/go-bitswap v0.0.4 // indirect github.com/ipfs/go-block-format v0.0.2 github.com/ipfs/go-cid v0.0.1 - github.com/ipfs/go-datastore v0.0.1 + github.com/ipfs/go-datastore v0.0.4 + github.com/ipfs/go-ds-badger v0.0.3 + github.com/ipfs/go-ds-crdt v0.0.7 github.com/ipfs/go-fs-lock v0.0.1 github.com/ipfs/go-ipfs-api v0.0.1 + github.com/ipfs/go-ipfs-blockstore v0.0.1 github.com/ipfs/go-ipfs-chunker v0.0.1 github.com/ipfs/go-ipfs-ds-help v0.0.1 github.com/ipfs/go-ipfs-files v0.0.2 @@ -27,43 +36,56 @@ require ( github.com/ipfs/go-ipld-cbor v0.0.1 github.com/ipfs/go-ipld-format v0.0.1 github.com/ipfs/go-log v0.0.1 - github.com/ipfs/go-merkledag v0.0.1 - github.com/ipfs/go-mfs v0.0.1 - github.com/ipfs/go-path v0.0.1 - github.com/ipfs/go-unixfs v0.0.1 - github.com/jackpal/gateway v1.0.5 // indirect + github.com/ipfs/go-merkledag v0.0.3 + github.com/ipfs/go-mfs v0.0.5 + github.com/ipfs/go-path v0.0.3 + github.com/ipfs/go-unixfs v0.0.4 github.com/kelseyhightower/envconfig v1.3.0 github.com/lanzafame/go-libp2p-ocgorpc v0.0.1 - github.com/libp2p/go-libp2p v0.0.2 + github.com/libp2p/go-libp2p v0.0.13 github.com/libp2p/go-libp2p-consensus v0.0.1 github.com/libp2p/go-libp2p-crypto v0.0.1 + github.com/libp2p/go-libp2p-discovery v0.0.2 // indirect github.com/libp2p/go-libp2p-gorpc v0.0.2 - github.com/libp2p/go-libp2p-host v0.0.1 + github.com/libp2p/go-libp2p-host v0.0.2 + github.com/libp2p/go-libp2p-interface-connmgr v0.0.3 // indirect github.com/libp2p/go-libp2p-interface-pnet v0.0.1 - github.com/libp2p/go-libp2p-kad-dht v0.0.4 - github.com/libp2p/go-libp2p-peer v0.0.1 - github.com/libp2p/go-libp2p-peerstore v0.0.1 + github.com/libp2p/go-libp2p-kad-dht v0.0.8 + github.com/libp2p/go-libp2p-kbucket v0.1.1 // indirect + github.com/libp2p/go-libp2p-peer v0.1.0 + github.com/libp2p/go-libp2p-peerstore v0.0.2 github.com/libp2p/go-libp2p-pnet v0.0.1 github.com/libp2p/go-libp2p-protocol v0.0.1 github.com/libp2p/go-libp2p-pubsub v0.0.1 github.com/libp2p/go-libp2p-raft v0.0.2 - github.com/libp2p/go-ws-transport v0.0.1 - github.com/mattn/go-isatty v0.0.6 // indirect + github.com/libp2p/go-ws-transport v0.0.2 + github.com/minio/sha256-simd v0.0.0-20190328051042-05b4dd3047e5 // indirect github.com/multiformats/go-multiaddr v0.0.2 github.com/multiformats/go-multiaddr-dns v0.0.2 github.com/multiformats/go-multiaddr-net v0.0.1 github.com/multiformats/go-multicodec v0.1.6 - github.com/multiformats/go-multihash v0.0.1 + github.com/multiformats/go-multihash v0.0.3 + github.com/onsi/ginkgo v1.8.0 // indirect + github.com/onsi/gomega v1.5.0 // indirect + github.com/opentracing/opentracing-go v1.1.0 // indirect + github.com/pkg/errors v0.8.1 + github.com/polydawn/refmt v0.0.0-20190408063855-01bf1e26dd14 // indirect github.com/prometheus/client_golang v0.9.3-0.20190127221311-3c4408c8b829 github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90 // indirect github.com/prometheus/procfs v0.0.0-20190306233201-d0f344d83b0c // indirect github.com/rs/cors v1.6.0 + github.com/smartystreets/assertions v0.0.0-20190401211740-f487f9de1cd3 // indirect + github.com/smartystreets/goconvey v0.0.0-20190330032615-68dc04aab96a // indirect + github.com/spaolacci/murmur3 v1.1.0 // indirect github.com/ugorji/go v0.0.0-20171015030454-f26fc641ec9d github.com/urfave/cli v1.20.0 + github.com/warpfork/go-wish v0.0.0-20190328234359-8b3e70f8e830 // indirect github.com/zenground0/go-dot v0.0.0-20180912213407-94a425d4984e - go.opencensus.io v0.19.1 - golang.org/x/sys v0.0.0-20190308023053-584f3b12f43e // indirect - golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2 // indirect - google.golang.org/api v0.1.0 // indirect - google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19 // indirect + go.opencensus.io v0.20.2 + golang.org/x/crypto v0.0.0-20190417170229-92d88b081a49 // indirect + golang.org/x/net v0.0.0-20190415214537-1da14a5a36f2 // indirect + golang.org/x/sync v0.0.0-20190412183630-56d357773e84 // indirect + golang.org/x/sys v0.0.0-20190416152802-12500544f89f // indirect + golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373 // indirect + google.golang.org/grpc v1.19.1 // indirect ) diff --git a/go.sum b/go.sum index 882650b8..a2f537f9 100644 --- a/go.sum +++ b/go.sum @@ -1,16 +1,23 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg= git.apache.org/thrift.git v0.12.0 h1:CMxsZlAmxKs+VAZMlDDL0wXciMblJcutQbEe3A9CYUM= git.apache.org/thrift.git v0.12.0/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg= +github.com/AndreasBriese/bbloom v0.0.0-20180913140656-343706a395b7 h1:PqzgE6kAMi81xWQA2QIVxjWkFHptGgC547vchpUbtFo= github.com/AndreasBriese/bbloom v0.0.0-20180913140656-343706a395b7/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8= +github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9 h1:HD8gA2tkByhMAwYaFAX9w2l7vxvBQ5NMoxDrkhqhtn4= +github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/Kubuxu/go-os-helper v0.0.1 h1:EJiD2VUQyh5A9hWJLmc6iWg6yIcJ7jpBcwC8GMGXfDk= github.com/Kubuxu/go-os-helper v0.0.1/go.mod h1:N8B+I7vPCT80IcP58r50u4+gEEcsZETFUpAzWW2ep1Y= +github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo= +github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI= github.com/Stebalien/go-bitfield v0.0.0-20180330043415-076a62f9ce6e h1:2Z+EBRrOJsA3psnUPcEWMIH2EIga1xHflQcr/EZslx8= github.com/Stebalien/go-bitfield v0.0.0-20180330043415-076a62f9ce6e/go.mod h1:3oM7gXIttpYDAJXpVNnSCiUMYBLIZ6cb1t+Ip982MRo= github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII= github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= github.com/alecthomas/units 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v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk= go4.org v0.0.0-20190218023631-ce4c26f7be8e h1:m9LfARr2VIOW0vsV19kEKp/sWQvZnGobA8JHui/XJoY= go4.org v0.0.0-20190218023631-ce4c26f7be8e/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE= golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= @@ -451,11 +563,16 @@ golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67/go.mod h1:6SG95UA2DQfeDnf golang.org/x/crypto v0.0.0-20190225124518-7f87c0fbb88b/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20190228161510-8dd112bcdc25 h1:jsG6UpNLt9iAsb0S2AGW28DveNzzgmbXR+ENoPjUeIU= golang.org/x/crypto v0.0.0-20190228161510-8dd112bcdc25/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod 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h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= @@ -463,24 +580,33 @@ golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73r golang.org/x/net v0.0.0-20181011144130-49bb7cea24b1/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181106065722-10aee1819953/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod 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golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= +golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 h1:YUO/7uOKsKeq9UokNS62b8FYywz3ker1l1vDZRCRefw= golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6 h1:bjcUS9ztw9kFmmIxJInhon/0Is3p+EHBKNgquIzo1OI= golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20190412183630-56d357773e84 h1:IqXQ59gzdXv58Jmm2xn0tSOR9i6HqroaOFRQ3wR/dJQ= +golang.org/x/sync v0.0.0-20190412183630-56d357773e84/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20181218192612-074acd46bca6/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190219092855-153ac476189d/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= @@ -488,8 +614,9 @@ golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5h golang.org/x/sys v0.0.0-20190228124157-a34e9553db1e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190302025703-b6889370fb10 h1:xQJI9OEiErEQ++DoXOHqEpzsGMrAv2Q2jyCpi7DmfpQ= golang.org/x/sys v0.0.0-20190302025703-b6889370fb10/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= -golang.org/x/sys v0.0.0-20190308023053-584f3b12f43e h1:K7CV15oJ823+HLXQ+M7MSMrUg8LjfqY7O3naO+8Pp/I= -golang.org/x/sys v0.0.0-20190308023053-584f3b12f43e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190416152802-12500544f89f h1:1ZH9RnjNgLzh6YrsRp/c6ddZ8Lq0fq9xztNOoWJ2sz4= +golang.org/x/sys v0.0.0-20190416152802-12500544f89f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg= golang.org/x/text 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h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM= google.golang.org/appengine v1.3.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc= google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc= -google.golang.org/genproto v0.0.0-20181202183823-bd91e49a0898/go.mod h1:7Ep/1NZk928CDR8SjdVbjWNpdIf6nzjE3BTgJDr2Atg= google.golang.org/genproto v0.0.0-20181219182458-5a97ab628bfb h1:dQshZyyJ5W/Xk8myF4GKBak1pZW6EywJuQ8+44EQhGA= google.golang.org/genproto v0.0.0-20181219182458-5a97ab628bfb/go.mod h1:7Ep/1NZk928CDR8SjdVbjWNpdIf6nzjE3BTgJDr2Atg= google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19 h1:Lj2SnHtxkRGJDqnGaSjo+CCdIieEnwVazbOXILwQemk= google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= -google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw= google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio= google.golang.org/grpc v1.17.0 h1:TRJYBgMclJvGYn2rIMjj+h9KtMt5r1Ij7ODVRIZkwhk= google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs= google.golang.org/grpc v1.19.0 h1:cfg4PD8YEdSFnm7qLV4++93WcmhH2nIUhMjhdCvl3j8= google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= +google.golang.org/grpc v1.19.1 h1:TrBcJ1yqAl1G++wO39nD/qtgpsW9/1+QGrluyMGEYgM= +google.golang.org/grpc v1.19.1/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY= diff --git a/ipfscluster.go b/ipfscluster.go index 67b11b4d..36f9cdff 100644 --- a/ipfscluster.go +++ b/ipfscluster.go @@ -44,7 +44,7 @@ type Consensus interface { LogUnpin(ctx context.Context, c *api.Pin) error AddPeer(ctx context.Context, p peer.ID) error RmPeer(ctx context.Context, p peer.ID) error - State(context.Context) (state.State, error) + State(context.Context) (state.ReadOnly, error) // Provide a node which is responsible to perform // specific tasks which must only run in 1 cluster peer Leader(context.Context) (peer.ID, error) diff --git a/ipfscluster_test.go b/ipfscluster_test.go index 07774820..76fcb0f8 100644 --- a/ipfscluster_test.go +++ b/ipfscluster_test.go @@ -7,31 +7,38 @@ import ( "fmt" "math/rand" "os" + "path/filepath" "sort" "strings" "sync" "testing" "time" + crypto "github.com/libp2p/go-libp2p-crypto" + peerstore "github.com/libp2p/go-libp2p-peerstore" + pubsub "github.com/libp2p/go-libp2p-pubsub" + + dht "github.com/libp2p/go-libp2p-kad-dht" + "github.com/ipfs/ipfs-cluster/allocator/descendalloc" "github.com/ipfs/ipfs-cluster/api" "github.com/ipfs/ipfs-cluster/api/rest" + "github.com/ipfs/ipfs-cluster/consensus/crdt" "github.com/ipfs/ipfs-cluster/consensus/raft" + "github.com/ipfs/ipfs-cluster/datastore/badger" + "github.com/ipfs/ipfs-cluster/datastore/inmem" "github.com/ipfs/ipfs-cluster/informer/disk" "github.com/ipfs/ipfs-cluster/ipfsconn/ipfshttp" "github.com/ipfs/ipfs-cluster/monitor/pubsubmon" "github.com/ipfs/ipfs-cluster/observations" "github.com/ipfs/ipfs-cluster/pintracker/maptracker" "github.com/ipfs/ipfs-cluster/pintracker/stateless" - "github.com/ipfs/ipfs-cluster/state" - "github.com/ipfs/ipfs-cluster/state/mapstate" "github.com/ipfs/ipfs-cluster/test" "github.com/ipfs/ipfs-cluster/version" - crypto "github.com/libp2p/go-libp2p-crypto" + ds "github.com/ipfs/go-datastore" host "github.com/libp2p/go-libp2p-host" peer "github.com/libp2p/go-libp2p-peer" - peerstore "github.com/libp2p/go-libp2p-peerstore" ma "github.com/multiformats/go-multiaddr" ) @@ -45,8 +52,10 @@ var ( logLevel = "CRITICAL" customLogLvlFacilities = logFacilities{} - pmonitor = "pubsub" - ptracker = "map" + ptracker = "map" + consensus = "raft" + + testsFolder = "clusterTestsFolder" // When testing with fixed ports... // clusterPort = 10000 @@ -77,8 +86,8 @@ func init() { flag.StringVar(&logLevel, "loglevel", logLevel, "default log level for tests") flag.IntVar(&nClusters, "nclusters", nClusters, "number of clusters to use") flag.IntVar(&nPins, "npins", nPins, "number of pins to pin/unpin/check") - flag.StringVar(&pmonitor, "monitor", pmonitor, "monitor implementation") flag.StringVar(&ptracker, "tracker", ptracker, "tracker implementation") + flag.StringVar(&consensus, "consensus", consensus, "consensus implementation") flag.Parse() rand.Seed(time.Now().UnixNano()) @@ -104,6 +113,10 @@ func init() { } } ReadyTimeout = 11 * time.Second + + // GossipSub needs to heartbeat to discover newly connected hosts + // This speeds things up a little. + pubsub.GossipSubHeartbeatInterval = 50 * time.Millisecond } func checkErr(t *testing.T, err error) { @@ -121,13 +134,10 @@ func randomBytes() []byte { return bs } -func createComponents(t *testing.T, i int, clusterSecret []byte, staging bool) (host.Host, *Config, *raft.Consensus, []API, IPFSConnector, state.State, PinTracker, PeerMonitor, PinAllocator, Informer, Tracer, *test.IpfsMock) { +func createComponents(t *testing.T, host host.Host, pubsub *pubsub.PubSub, dht *dht.IpfsDHT, i int, staging bool) (*Config, ds.Datastore, Consensus, []API, IPFSConnector, PinTracker, PeerMonitor, PinAllocator, Informer, Tracer, *test.IpfsMock) { ctx := context.Background() - mock := test.NewIpfsMock() - // - //clusterAddr, _ := ma.NewMultiaddr(fmt.Sprintf("/ip4/127.0.0.1/tcp/%d", clusterPort+i)) - // Bind on port 0 - clusterAddr, _ := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/0") + mock := test.NewIpfsMock(t) + //apiAddr, _ := ma.NewMultiaddr(fmt.Sprintf("/ip4/127.0.0.1/tcp/%d", apiPort+i)) // Bind on port 0 apiAddr, _ := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/0") @@ -135,30 +145,27 @@ func createComponents(t *testing.T, i int, clusterSecret []byte, staging bool) ( // proxyAddr, _ := ma.NewMultiaddr(fmt.Sprintf("/ip4/127.0.0.1/tcp/%d", ipfsProxyPort+i)) proxyAddr, _ := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/0") nodeAddr, _ := ma.NewMultiaddr(fmt.Sprintf("/ip4/%s/tcp/%d", mock.Addr, mock.Port)) - priv, pub, err := crypto.GenerateKeyPair(crypto.RSA, 2048) - checkErr(t, err) - pid, err := peer.IDFromPublicKey(pub) - checkErr(t, err) + peername := fmt.Sprintf("peer_%d", i) - clusterCfg, apiCfg, ipfsproxyCfg, ipfshttpCfg, consensusCfg, maptrackerCfg, statelesstrackerCfg, psmonCfg, diskInfCfg, tracingCfg := testingConfigs() + clusterCfg, apiCfg, ipfsproxyCfg, ipfshttpCfg, badgerCfg, raftCfg, crdtCfg, maptrackerCfg, statelesstrackerCfg, psmonCfg, diskInfCfg, tracingCfg := testingConfigs() - clusterCfg.ID = pid + clusterCfg.ID = host.ID() + clusterCfg.PrivateKey = host.Peerstore().PrivKey(host.ID()) clusterCfg.Peername = peername - clusterCfg.PrivateKey = priv - clusterCfg.Secret = clusterSecret - clusterCfg.ListenAddr = clusterAddr clusterCfg.LeaveOnShutdown = false - clusterCfg.SetBaseDir("./e2eTestRaft/" + pid.Pretty()) - - host, err := NewClusterHost(context.Background(), clusterCfg) - checkErr(t, err) + clusterCfg.SetBaseDir(filepath.Join(testsFolder, host.ID().Pretty())) apiCfg.HTTPListenAddr = apiAddr + ipfsproxyCfg.ListenAddr = proxyAddr ipfsproxyCfg.NodeAddr = nodeAddr + ipfshttpCfg.NodeAddr = nodeAddr - consensusCfg.DataFolder = "./e2eTestRaft/" + pid.Pretty() + + raftCfg.DataFolder = filepath.Join(testsFolder, host.ID().Pretty()) + + badgerCfg.Folder = filepath.Join(testsFolder, host.ID().Pretty(), "badger") api, err := rest.NewAPI(ctx, apiCfg) checkErr(t, err) @@ -167,22 +174,52 @@ func createComponents(t *testing.T, i int, clusterSecret []byte, staging bool) ( ipfs, err := ipfshttp.NewConnector(ipfshttpCfg) checkErr(t, err) - state := mapstate.NewMapState() tracker := makePinTracker(t, clusterCfg.ID, maptrackerCfg, statelesstrackerCfg, clusterCfg.Peername) - mon, err := pubsubmon.New(host, psmonCfg) - checkErr(t, err) - alloc := descendalloc.NewAllocator() inf, err := disk.NewInformer(diskInfCfg) checkErr(t, err) - raftCon, err := raft.NewConsensus(host, consensusCfg, state, staging) + + store := makeStore(t, badgerCfg) + cons := makeConsensus(t, store, host, pubsub, dht, raftCfg, staging, crdtCfg) + + var peersF func(context.Context) ([]peer.ID, error) + if consensus == "raft" { + peersF = cons.Peers + } + mon, err := pubsubmon.New(psmonCfg, pubsub, peersF) checkErr(t, err) tracer, err := observations.SetupTracing(tracingCfg) checkErr(t, err) - return host, clusterCfg, raftCon, []API{api, ipfsProxy}, ipfs, state, tracker, mon, alloc, inf, tracer, mock + return clusterCfg, store, cons, []API{api, ipfsProxy}, ipfs, tracker, mon, alloc, inf, tracer, mock +} + +func makeStore(t *testing.T, badgerCfg *badger.Config) ds.Datastore { + switch consensus { + case "crdt": + dstr, err := badger.New(badgerCfg) + checkErr(t, err) + return dstr + default: + return inmem.New() + } +} + +func makeConsensus(t *testing.T, store ds.Datastore, h host.Host, psub *pubsub.PubSub, dht *dht.IpfsDHT, raftCfg *raft.Config, staging bool, crdtCfg *crdt.Config) Consensus { + switch consensus { + case "raft": + raftCon, err := raft.NewConsensus(h, raftCfg, store, staging) + checkErr(t, err) + return raftCon + case "crdt": + crdtCon, err := crdt.New(h, dht, psub, crdtCfg, store) + checkErr(t, err) + return crdtCon + default: + panic("bad consensus") + } } func makePinTracker(t *testing.T, pid peer.ID, mptCfg *maptracker.Config, sptCfg *stateless.Config, peerName string) PinTracker { @@ -198,27 +235,61 @@ func makePinTracker(t *testing.T, pid peer.ID, mptCfg *maptracker.Config, sptCfg return ptrkr } -func createCluster(t *testing.T, host host.Host, clusterCfg *Config, raftCons *raft.Consensus, apis []API, ipfs IPFSConnector, state state.State, tracker PinTracker, mon PeerMonitor, alloc PinAllocator, inf Informer, tracer Tracer) *Cluster { - cl, err := NewCluster(host, clusterCfg, raftCons, apis, ipfs, state, tracker, mon, alloc, inf, tracer) +func createCluster(t *testing.T, host host.Host, dht *dht.IpfsDHT, clusterCfg *Config, store ds.Datastore, consensus Consensus, apis []API, ipfs IPFSConnector, tracker PinTracker, mon PeerMonitor, alloc PinAllocator, inf Informer, tracer Tracer) *Cluster { + cl, err := NewCluster(host, dht, clusterCfg, store, consensus, apis, ipfs, tracker, mon, alloc, inf, tracer) checkErr(t, err) return cl } func createOnePeerCluster(t *testing.T, nth int, clusterSecret []byte) (*Cluster, *test.IpfsMock) { - host, clusterCfg, consensusCfg, api, ipfs, state, tracker, mon, alloc, inf, tracer, mock := createComponents(t, nth, clusterSecret, false) - cl := createCluster(t, host, clusterCfg, consensusCfg, api, ipfs, state, tracker, mon, alloc, inf, tracer) + hosts, pubsubs, dhts := createHosts(t, clusterSecret, 1) + clusterCfg, store, consensus, api, ipfs, tracker, mon, alloc, inf, tracer, mock := createComponents(t, hosts[0], pubsubs[0], dhts[0], nth, false) + cl := createCluster(t, hosts[0], dhts[0], clusterCfg, store, consensus, api, ipfs, tracker, mon, alloc, inf, tracer) <-cl.Ready() return cl, mock } +func createHosts(t *testing.T, clusterSecret []byte, nClusters int) ([]host.Host, []*pubsub.PubSub, []*dht.IpfsDHT) { + hosts := make([]host.Host, nClusters, nClusters) + pubsubs := make([]*pubsub.PubSub, nClusters, nClusters) + dhts := make([]*dht.IpfsDHT, nClusters, nClusters) + + ctx := context.Background() + + clusterAddr, _ := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/0") + + for i := range hosts { + priv, _, err := crypto.GenerateKeyPair(crypto.RSA, 2048) + checkErr(t, err) + h, err := newHost(ctx, clusterSecret, priv, []ma.Multiaddr{clusterAddr}) + checkErr(t, err) + + // DHT needs to be created BEFORE connecting the peers, but + // bootstrapped AFTER + d, err := newDHT(ctx, h) + checkErr(t, err) + dhts[i] = d + + hosts[i] = routedHost(h, d) + + // Pubsub needs to be created BEFORE connecting the peers, + // otherwise they are not picked up. + psub, err := newPubSub(ctx, hosts[i]) + checkErr(t, err) + pubsubs[i] = psub + } + + return hosts, pubsubs, dhts +} + func createClusters(t *testing.T) ([]*Cluster, []*test.IpfsMock) { ctx := context.Background() - os.RemoveAll("./e2eTestRaft") + os.RemoveAll(testsFolder) cfgs := make([]*Config, nClusters, nClusters) - raftCons := make([]*raft.Consensus, nClusters, nClusters) + stores := make([]ds.Datastore, nClusters, nClusters) + cons := make([]Consensus, nClusters, nClusters) apis := make([][]API, nClusters, nClusters) ipfss := make([]IPFSConnector, nClusters, nClusters) - states := make([]state.State, nClusters, nClusters) trackers := make([]PinTracker, nClusters, nClusters) mons := make([]PeerMonitor, nClusters, nClusters) allocs := make([]PinAllocator, nClusters, nClusters) @@ -226,39 +297,26 @@ func createClusters(t *testing.T) ([]*Cluster, []*test.IpfsMock) { tracers := make([]Tracer, nClusters, nClusters) ipfsMocks := make([]*test.IpfsMock, nClusters, nClusters) - hosts := make([]host.Host, nClusters, nClusters) clusters := make([]*Cluster, nClusters, nClusters) // Uncomment when testing with fixed ports // clusterPeers := make([]ma.Multiaddr, nClusters, nClusters) + hosts, pubsubs, dhts := createHosts(t, testingClusterSecret, nClusters) + for i := 0; i < nClusters; i++ { // staging = true for all except first (i==0) - hosts[i], cfgs[i], raftCons[i], apis[i], ipfss[i], states[i], trackers[i], mons[i], allocs[i], infs[i], tracers[i], ipfsMocks[i] = createComponents(t, i, testingClusterSecret, i != 0) - } - - // open connections among all hosts - for _, h := range hosts { - for _, h2 := range hosts { - if h.ID() != h2.ID() { - - h.Peerstore().AddAddrs(h2.ID(), h2.Addrs(), peerstore.PermanentAddrTTL) - _, err := h.Network().DialPeer(context.Background(), h2.ID()) - if err != nil { - t.Fatal(err) - } - } - } + cfgs[i], stores[i], cons[i], apis[i], ipfss[i], trackers[i], mons[i], allocs[i], infs[i], tracers[i], ipfsMocks[i] = createComponents(t, hosts[i], pubsubs[i], dhts[i], i, i != 0) } // Start first node - clusters[0] = createCluster(t, hosts[0], cfgs[0], raftCons[0], apis[0], ipfss[0], states[0], trackers[0], mons[0], allocs[0], infs[0], tracers[0]) + clusters[0] = createCluster(t, hosts[0], dhts[0], cfgs[0], stores[0], cons[0], apis[0], ipfss[0], trackers[0], mons[0], allocs[0], infs[0], tracers[0]) <-clusters[0].Ready() bootstrapAddr := clusterAddr(clusters[0]) // Start the rest and join for i := 1; i < nClusters; i++ { - clusters[i] = createCluster(t, hosts[i], cfgs[i], raftCons[i], apis[i], ipfss[i], states[i], trackers[i], mons[i], allocs[i], infs[i], tracers[i]) + clusters[i] = createCluster(t, hosts[i], dhts[i], cfgs[i], stores[i], cons[i], apis[i], ipfss[i], trackers[i], mons[i], allocs[i], infs[i], tracers[i]) err := clusters[i].Join(ctx, bootstrapAddr) if err != nil { logger.Error(err) @@ -266,6 +324,32 @@ func createClusters(t *testing.T) ([]*Cluster, []*test.IpfsMock) { } <-clusters[i].Ready() } + + // connect all hosts + for _, h := range hosts { + for _, h2 := range hosts { + if h.ID() != h2.ID() { + h.Peerstore().AddAddrs(h2.ID(), h2.Addrs(), peerstore.PermanentAddrTTL) + _, err := h.Network().DialPeer(ctx, h2.ID()) + if err != nil { + t.Log(err) + } + } + + } + } + + // // Bootstrap the DHTs + dhtCfg := dht.BootstrapConfig{ + Queries: 1, + Period: 600 * time.Millisecond, + Timeout: 300 * time.Millisecond, + } + + for _, d := range dhts { + d.BootstrapWithConfig(ctx, dhtCfg) + } + waitForLeader(t, clusters) return clusters, ipfsMocks @@ -280,7 +364,7 @@ func shutdownClusters(t *testing.T, clusters []*Cluster, m []*test.IpfsMock) { } m[i].Close() } - os.RemoveAll("./e2eTestRaft") + os.RemoveAll(testsFolder) } func runF(t *testing.T, clusters []*Cluster, f func(*testing.T, *Cluster)) { @@ -341,6 +425,9 @@ func waitForLeaderAndMetrics(t *testing.T, clusters []*Cluster) { // Makes sure there is a leader and everyone knows about it. func waitForLeader(t *testing.T, clusters []*Cluster) { + if consensus == "crdt" { + return // yai + } ctx := context.Background() timer := time.NewTimer(time.Minute) ticker := time.NewTicker(100 * time.Millisecond) @@ -384,6 +471,8 @@ func TestClustersPeers(t *testing.T) { clusters, mock := createClusters(t) defer shutdownClusters(t, clusters, mock) + delay() + j := rand.Intn(nClusters) // choose a random cluster peer peers := clusters[j].Peers(ctx) @@ -400,6 +489,10 @@ func TestClustersPeers(t *testing.T) { } for _, p := range peers { + if p.Error != "" { + t.Error(p.ID, p.Error) + continue + } peerIDMap[p.ID] = p } @@ -433,13 +526,18 @@ func TestClustersPin(t *testing.T) { if err != nil { t.Errorf("error pinning %s: %s", h, err) } - // Test re-pin - err = clusters[j].Pin(ctx, api.PinCid(h)) - if err != nil { - t.Errorf("error repinning %s: %s", h, err) - } + // // Test re-pin + // err = clusters[j].Pin(ctx, api.PinCid(h)) + // if err != nil { + // t.Errorf("error repinning %s: %s", h, err) + // } + } + switch consensus { + case "crdt": + time.Sleep(20 * time.Second) + default: + delay() } - delay() fpinned := func(t *testing.T, c *Cluster) { status := c.tracker.StatusAll(ctx) for _, v := range status { @@ -454,7 +552,14 @@ func TestClustersPin(t *testing.T) { runF(t, clusters, fpinned) // Unpin everything - pinList := clusters[0].Pins(ctx) + pinList, err := clusters[0].Pins(ctx) + if err != nil { + t.Fatal(err) + } + + if len(pinList) != nPins { + t.Fatalf("pin list has %d but pinned %d", len(pinList), nPins) + } for i := 0; i < len(pinList); i++ { // test re-unpin fails @@ -465,11 +570,11 @@ func TestClustersPin(t *testing.T) { } } delay() - for i := 0; i < nPins; i++ { + for i := 0; i < len(pinList); i++ { j := rand.Intn(nClusters) // choose a random cluster peer err := clusters[j].Unpin(ctx, pinList[i].Cid) if err == nil { - t.Errorf("expected error re-unpinning %s: %s", pinList[i].Cid, err) + t.Errorf("expected error re-unpinning %s", pinList[i].Cid) } } @@ -556,36 +661,53 @@ func TestClustersStatusAllWithErrors(t *testing.T) { t.Fatal("bad status. Expected one item") } - stts := statuses[0] - if len(stts.PeerMap) != nClusters { - t.Error("bad number of peers in status") - } + // Raft and CRDT behave differently here + switch consensus { + case "raft": + // Raft will have all statuses with one of them + // being in ERROR because the peer is off - pid := peer.IDB58Encode(clusters[1].ID(ctx).ID) - errst := stts.PeerMap[pid] + stts := statuses[0] + if len(stts.PeerMap) != nClusters { + t.Error("bad number of peers in status") + } - if !errst.Cid.Equals(h) { - t.Error("errored pinInfo should have a good cid") - } + pid := peer.IDB58Encode(clusters[1].id) + errst := stts.PeerMap[pid] - if errst.Status != api.TrackerStatusClusterError { - t.Error("erroring status should be set to ClusterError") - } + if !errst.Cid.Equals(h) { + t.Error("errored pinInfo should have a good cid") + } - // now check with Cid status - status, err := c.Status(ctx, h) - if err != nil { - t.Error(err) - } + if errst.Status != api.TrackerStatusClusterError { + t.Error("erroring status should be set to ClusterError") + } - pinfo := status.PeerMap[pid] + // now check with Cid status + status, err := c.Status(ctx, h) + if err != nil { + t.Error(err) + } - if pinfo.Status != api.TrackerStatusClusterError { - t.Error("erroring status should be ClusterError") - } + pinfo := status.PeerMap[pid] + + if pinfo.Status != api.TrackerStatusClusterError { + t.Error("erroring status should be ClusterError") + } + + if !pinfo.Cid.Equals(h) { + t.Error("errored status should have a good cid") + } + case "crdt": + // CRDT will not have contacted the offline peer because + // its metric expired and therefore is not in the + // peerset. + if len(statuses[0].PeerMap) != nClusters-1 { + t.Error("expected a different number of statuses") + } + default: + t.Fatal("bad consensus") - if !pinfo.Cid.Equals(h) { - t.Error("errored status should have a good cid") } } @@ -958,7 +1080,10 @@ func TestClustersReplication(t *testing.T) { t.Errorf("Expected 1 remote pin but got %d", numRemote) } - pins := c.Pins(ctx) + pins, err := c.Pins(ctx) + if err != nil { + t.Fatal(err) + } for _, pin := range pins { allocs := pin.Allocations if len(allocs) != nClusters-1 { @@ -1325,7 +1450,11 @@ func TestClustersReplicationRealloc(t *testing.T) { // Let the pin arrive pinDelay() - pin := clusters[j].Pins(ctx)[0] + pinList, err := clusters[j].Pins(ctx) + if err != nil { + t.Fatal(err) + } + pin := pinList[0] allocs := sort.StringSlice(api.PeersToStrings(pin.Allocations)) allocs.Sort() allocsStr := fmt.Sprintf("%s", allocs) @@ -1339,7 +1468,11 @@ func TestClustersReplicationRealloc(t *testing.T) { pinDelay() - pin2 := clusters[j].Pins(ctx)[0] + pinList2, err := clusters[j].Pins(ctx) + if err != nil { + t.Fatal(err) + } + pin2 := pinList2[0] allocs2 := sort.StringSlice(api.PeersToStrings(pin2.Allocations)) allocs2.Sort() allocsStr2 := fmt.Sprintf("%s", allocs2) @@ -1444,6 +1577,11 @@ func TestClustersRebalanceOnPeerDown(t *testing.T) { t.Skip("Need at least 5 peers") } + if consensus == "crdt" { + t.Log("FIXME when re-alloc changes come through") + return + } + clusters, mock := createClusters(t) defer shutdownClusters(t, clusters, mock) for _, c := range clusters { @@ -1501,7 +1639,7 @@ func TestClustersRebalanceOnPeerDown(t *testing.T) { // peers in clusterIDs are fully connected to each other and the expected ipfs // mock connectivity exists. Cluster peers not in clusterIDs are assumed to // be disconnected and the graph should reflect this -func validateClusterGraph(t *testing.T, graph api.ConnectGraph, clusterIDs map[string]struct{}) { +func validateClusterGraph(t *testing.T, graph api.ConnectGraph, clusterIDs map[string]struct{}, peerNum int) { // Check that all cluster peers see each other as peers for id1, peers := range graph.ClusterLinks { if _, ok := clusterIDs[id1]; !ok { @@ -1525,7 +1663,7 @@ func validateClusterGraph(t *testing.T, graph api.ConnectGraph, clusterIDs map[s } } } - if len(graph.ClusterLinks) != nClusters { + if len(graph.ClusterLinks) != peerNum { t.Errorf("Unexpected number of cluster nodes in graph") } @@ -1583,7 +1721,7 @@ func TestClustersGraphConnected(t *testing.T) { id := peer.IDB58Encode(c.ID(ctx).ID) clusterIDs[id] = struct{}{} } - validateClusterGraph(t, graph, clusterIDs) + validateClusterGraph(t, graph, clusterIDs, nClusters) } // Similar to the previous test we get a cluster graph report from a peer. @@ -1630,7 +1768,13 @@ func TestClustersGraphUnhealthy(t *testing.T) { id := peer.IDB58Encode(c.ID(ctx).ID) clusterIDs[id] = struct{}{} } - validateClusterGraph(t, graph, clusterIDs) + peerNum := nClusters + switch consensus { + case "crdt": + peerNum = nClusters - 2 + } + + validateClusterGraph(t, graph, clusterIDs, peerNum) } // Check that the pin is not re-assigned when a node diff --git a/ipfsconn/ipfshttp/ipfshttp.go b/ipfsconn/ipfshttp/ipfshttp.go index 214d48d0..6eddfe15 100644 --- a/ipfsconn/ipfshttp/ipfshttp.go +++ b/ipfsconn/ipfshttp/ipfshttp.go @@ -710,6 +710,27 @@ func (ipfs *Connector) BlockGet(ctx context.Context, c cid.Cid) ([]byte, error) return ipfs.postCtx(ctx, url, "", nil) } +// // FetchRefs asks IPFS to download blocks recursively to the given depth. +// // It discards the response, but waits until it completes. +// func (ipfs *Connector) FetchRefs(ctx context.Context, c cid.Cid, maxDepth int) error { +// ctx, cancel := context.WithTimeout(ipfs.ctx, ipfs.config.PinTimeout) +// defer cancel() + +// q := url.Values{} +// q.Set("recursive", "true") +// q.Set("unique", "false") // same memory on IPFS side +// q.Set("max-depth", fmt.Sprintf("%d", maxDepth)) +// q.Set("arg", c.String()) + +// url := fmt.Sprintf("refs?%s", q.Encode()) +// err := ipfs.postDiscardBodyCtx(ctx, url) +// if err != nil { +// return err +// } +// logger.Debugf("refs for %s sucessfully fetched", c) +// return nil +// } + // Returns true every updateMetricsMod-th time that we // call this function. func (ipfs *Connector) shouldUpdateMetric() bool { diff --git a/ipfsconn/ipfshttp/ipfshttp_test.go b/ipfsconn/ipfshttp/ipfshttp_test.go index 6154d4af..67a1f140 100644 --- a/ipfsconn/ipfshttp/ipfshttp_test.go +++ b/ipfsconn/ipfshttp/ipfshttp_test.go @@ -19,7 +19,7 @@ func init() { } func testIPFSConnector(t *testing.T) (*Connector, *test.IpfsMock) { - mock := test.NewIpfsMock() + mock := test.NewIpfsMock(t) nodeMAddr, _ := ma.NewMultiaddr(fmt.Sprintf("/ip4/%s/tcp/%d", mock.Addr, mock.Port)) diff --git a/logging.go b/logging.go index 054b1ff1..b11e0cdb 100644 --- a/logging.go +++ b/logging.go @@ -4,6 +4,21 @@ import logging "github.com/ipfs/go-log" var logger = logging.Logger("cluster") +var ( + ansiGray = "\033[0;37m" + ansiYellow = "\033[0;33m" +) + +func init() { + // The whole purpose of this is to print the facility name in yellow + // color in the logs because the current blue is very hard to read. + logging.LogFormats["color"] = ansiGray + + "%{time:15:04:05.000} %{color}%{level:5.5s} " + + ansiYellow + "%{module:10.10s}: %{color:reset}%{message} " + + ansiGray + "%{shortfile}%{color:reset}" + logging.SetupLogging() +} + // LoggingFacilities provides a list of logging identifiers // used by cluster and their default logging level. var LoggingFacilities = map[string]string{ @@ -12,9 +27,9 @@ var LoggingFacilities = map[string]string{ "ipfsproxy": "INFO", "ipfshttp": "INFO", "monitor": "INFO", - "mapstate": "INFO", "dsstate": "INFO", - "consensus": "INFO", + "raft": "INFO", + "crdt": "INFO", "pintracker": "INFO", "ascendalloc": "INFO", "diskinfo": "INFO", @@ -33,7 +48,7 @@ var LoggingFacilitiesExtra = map[string]string{ "p2p-gorpc": "CRITICAL", "swarm2": "ERROR", "libp2p-raft": "CRITICAL", - "raft": "ERROR", + "raftlib": "ERROR", } // SetFacilityLogLevel sets the log level for a given module diff --git a/monitor/metrics/checker.go b/monitor/metrics/checker.go index d96dd78f..e8c58973 100644 --- a/monitor/metrics/checker.go +++ b/monitor/metrics/checker.go @@ -32,22 +32,47 @@ func NewChecker(metrics *Store) *Checker { } } -// CheckPeers will trigger alerts for expired metrics belonging to the -// given peerset. +// CheckPeers will trigger alerts all latest metrics from the given peerset +// when they have expired and no alert has been sent before. func (mc *Checker) CheckPeers(peers []peer.ID) error { for _, peer := range peers { for _, metric := range mc.metrics.PeerMetrics(peer) { - if metric.Valid && metric.Expired() { - err := mc.alert(metric.Peer, metric.Name) - if err != nil { - return err - } + err := mc.alertIfExpired(metric) + if err != nil { + return err } } } return nil } +// CheckAll will trigger alerts for all latest metrics when they have expired +// and no alert has been sent before. +func (mc Checker) CheckAll() error { + for _, metric := range mc.metrics.AllMetrics() { + err := mc.alertIfExpired(metric) + if err != nil { + return err + } + } + + return nil +} + +func (mc *Checker) alertIfExpired(metric *api.Metric) error { + if !metric.Expired() { + return nil + } + + err := mc.alert(metric.Peer, metric.Name) + if err != nil { + return err + } + metric.Valid = false + mc.metrics.Add(metric) // invalidate so we don't alert again + return nil +} + func (mc *Checker) alert(pid peer.ID, metricName string) error { alrt := &api.Alert{ Peer: pid, @@ -74,11 +99,15 @@ func (mc *Checker) Watch(ctx context.Context, peersF func(context.Context) ([]pe for { select { case <-ticker.C: - peers, err := peersF(ctx) - if err != nil { - continue + if peersF != nil { + peers, err := peersF(ctx) + if err != nil { + continue + } + mc.CheckPeers(peers) + } else { + mc.CheckAll() } - mc.CheckPeers(peers) case <-ctx.Done(): ticker.Stop() return diff --git a/monitor/metrics/store.go b/monitor/metrics/store.go index afc0337b..5ac04667 100644 --- a/monitor/metrics/store.go +++ b/monitor/metrics/store.go @@ -47,9 +47,9 @@ func (mtrs *Store) Add(m *api.Metric) { window.Add(m) } -// Latest returns all the last known valid metrics. A metric is valid -// if it has not expired. -func (mtrs *Store) Latest(name string) []*api.Metric { +// LatestValid returns all the last known valid metrics of a given type. A metric +// is valid if it has not expired. +func (mtrs *Store) LatestValid(name string) []*api.Metric { mtrs.mux.RLock() defer mtrs.mux.RUnlock() @@ -69,6 +69,26 @@ func (mtrs *Store) Latest(name string) []*api.Metric { return metrics } +// AllMetrics returns the latest metrics for all peers and metrics types. It +// may return expired metrics. +func (mtrs *Store) AllMetrics() []*api.Metric { + mtrs.mux.RLock() + defer mtrs.mux.RUnlock() + + result := make([]*api.Metric, 0) + + for _, byPeer := range mtrs.byName { + for _, window := range byPeer { + metric, err := window.Latest() + if err != nil || !metric.Valid { + continue + } + result = append(result, metric) + } + } + return result +} + // PeerMetrics returns the latest metrics for a given peer ID for // all known metrics types. It may return expired metrics. func (mtrs *Store) PeerMetrics(pid peer.ID) []*api.Metric { @@ -83,7 +103,7 @@ func (mtrs *Store) PeerMetrics(pid peer.ID) []*api.Metric { continue } metric, err := window.Latest() - if err != nil { + if err != nil || !metric.Valid { continue } result = append(result, metric) diff --git a/monitor/metrics/store_test.go b/monitor/metrics/store_test.go index 0c9e5e0b..f8ab061c 100644 --- a/monitor/metrics/store_test.go +++ b/monitor/metrics/store_test.go @@ -20,14 +20,14 @@ func TestStoreLatest(t *testing.T) { metr.SetTTL(200 * time.Millisecond) store.Add(metr) - latest := store.Latest("test") + latest := store.LatestValid("test") if len(latest) != 1 { t.Error("expected 1 metric") } time.Sleep(220 * time.Millisecond) - latest = store.Latest("test") + latest = store.LatestValid("test") if len(latest) != 0 { t.Error("expected no metrics") } diff --git a/monitor/pubsubmon/pubsubmon.go b/monitor/pubsubmon/pubsubmon.go index 02b652e2..ff396ca8 100644 --- a/monitor/pubsubmon/pubsubmon.go +++ b/monitor/pubsubmon/pubsubmon.go @@ -14,7 +14,6 @@ import ( logging "github.com/ipfs/go-log" rpc "github.com/libp2p/go-libp2p-gorpc" - host "github.com/libp2p/go-libp2p-host" peer "github.com/libp2p/go-libp2p-peer" pubsub "github.com/libp2p/go-libp2p-pubsub" msgpack "github.com/multiformats/go-multicodec/msgpack" @@ -35,9 +34,9 @@ type Monitor struct { rpcClient *rpc.Client rpcReady chan struct{} - host host.Host pubsub *pubsub.PubSub subscription *pubsub.Subscription + peers PeersFunc metrics *metrics.Store checker *metrics.Checker @@ -49,8 +48,18 @@ type Monitor struct { wg sync.WaitGroup } -// New creates a new PubSub monitor, using the given host and config. -func New(h host.Host, cfg *Config) (*Monitor, error) { +// PeersFunc allows the Monitor to filter and discard metrics +// that do not belong to a given peerset. +type PeersFunc func(context.Context) ([]peer.ID, error) + +// New creates a new PubSub monitor, using the given host, config and +// PeersFunc. The PeersFunc can be nil. In this case, no metric filtering is +// done based on peers (any peer is considered part of the peerset). +func New( + cfg *Config, + psub *pubsub.PubSub, + peers PeersFunc, +) (*Monitor, error) { err := cfg.Validate() if err != nil { return nil, err @@ -61,13 +70,7 @@ func New(h host.Host, cfg *Config) (*Monitor, error) { mtrs := metrics.NewStore() checker := metrics.NewChecker(mtrs) - pubsub, err := pubsub.NewGossipSub(ctx, h) - if err != nil { - cancel() - return nil, err - } - - subscription, err := pubsub.Subscribe(PubsubTopic) + subscription, err := psub.Subscribe(PubsubTopic) if err != nil { cancel() return nil, err @@ -78,9 +81,9 @@ func New(h host.Host, cfg *Config) (*Monitor, error) { cancel: cancel, rpcReady: make(chan struct{}, 1), - host: h, - pubsub: pubsub, + pubsub: psub, subscription: subscription, + peers: peers, metrics: mtrs, checker: checker, @@ -95,7 +98,7 @@ func (mon *Monitor) run() { select { case <-mon.rpcReady: go mon.logFromPubsub() - go mon.checker.Watch(mon.ctx, mon.getPeers, mon.config.CheckInterval) + go mon.checker.Watch(mon.ctx, mon.peers, mon.config.CheckInterval) case <-mon.ctx.Done(): } } @@ -213,36 +216,21 @@ func (mon *Monitor) PublishMetric(ctx context.Context, m *api.Metric) error { return nil } -// getPeers gets the current list of peers from the consensus component -func (mon *Monitor) getPeers(ctx context.Context) ([]peer.ID, error) { - ctx, span := trace.StartSpan(ctx, "monitor/pubsub/getPeers") - defer span.End() - - var peers []peer.ID - err := mon.rpcClient.CallContext( - ctx, - "", - "Cluster", - "ConsensusPeers", - struct{}{}, - &peers, - ) - if err != nil { - logger.Error(err) - } - return peers, err -} - // LatestMetrics returns last known VALID metrics of a given type. A metric -// is only valid if it has not expired and belongs to a current cluster peers. +// is only valid if it has not expired and belongs to a current cluster peer. func (mon *Monitor) LatestMetrics(ctx context.Context, name string) []*api.Metric { ctx, span := trace.StartSpan(ctx, "monitor/pubsub/LatestMetrics") defer span.End() - latest := mon.metrics.Latest(name) + latest := mon.metrics.LatestValid(name) - // Make sure we only return metrics in the current peerset - peers, err := mon.getPeers(ctx) + if mon.peers == nil { + return latest + } + + // Make sure we only return metrics in the current peerset if we have + // a peerset provider. + peers, err := mon.peers(ctx) if err != nil { return []*api.Metric{} } diff --git a/monitor/pubsubmon/pubsubmon_test.go b/monitor/pubsubmon/pubsubmon_test.go index 4c4b33fe..0e1ce10b 100644 --- a/monitor/pubsubmon/pubsubmon_test.go +++ b/monitor/pubsubmon/pubsubmon_test.go @@ -14,6 +14,8 @@ import ( peerstore "github.com/libp2p/go-libp2p-peerstore" pubsub "github.com/libp2p/go-libp2p-pubsub" + host "github.com/libp2p/go-libp2p-host" + "github.com/ipfs/ipfs-cluster/api" "github.com/ipfs/ipfs-cluster/test" ) @@ -55,7 +57,11 @@ func (mf *metricFactory) count() int { return mf.counter } -func testPeerMonitor(t *testing.T) (*Monitor, func()) { +func peers(ctx context.Context) ([]peer.ID, error) { + return []peer.ID{test.PeerID1, test.PeerID2, test.PeerID3}, nil +} + +func testPeerMonitor(t *testing.T) (*Monitor, host.Host, func()) { ctx := context.Background() h, err := libp2p.New( context.Background(), @@ -65,11 +71,22 @@ func testPeerMonitor(t *testing.T) (*Monitor, func()) { t.Fatal(err) } + psub, err := pubsub.NewGossipSub( + ctx, + h, + pubsub.WithMessageSigning(true), + pubsub.WithStrictSignatureVerification(true), + ) + if err != nil { + h.Close() + t.Fatal(err) + } + mock := test.NewMockRPCClientWithHost(t, h) cfg := &Config{} cfg.Default() cfg.CheckInterval = 2 * time.Second - mon, err := New(h, cfg) + mon, err := New(cfg, psub, peers) if err != nil { t.Fatal(err) } @@ -80,12 +97,12 @@ func testPeerMonitor(t *testing.T) (*Monitor, func()) { h.Close() } - return mon, shutdownF + return mon, h, shutdownF } func TestPeerMonitorShutdown(t *testing.T) { ctx := context.Background() - pm, shutdown := testPeerMonitor(t) + pm, _, shutdown := testPeerMonitor(t) defer shutdown() err := pm.Shutdown(ctx) @@ -101,7 +118,7 @@ func TestPeerMonitorShutdown(t *testing.T) { func TestLogMetricConcurrent(t *testing.T) { ctx := context.Background() - pm, shutdown := testPeerMonitor(t) + pm, _, shutdown := testPeerMonitor(t) defer shutdown() var wg sync.WaitGroup @@ -160,7 +177,7 @@ func TestLogMetricConcurrent(t *testing.T) { func TestPeerMonitorLogMetric(t *testing.T) { ctx := context.Background() - pm, shutdown := testPeerMonitor(t) + pm, _, shutdown := testPeerMonitor(t) defer shutdown() mf := newMetricFactory() @@ -216,19 +233,19 @@ func TestPeerMonitorLogMetric(t *testing.T) { func TestPeerMonitorPublishMetric(t *testing.T) { ctx := context.Background() - pm, shutdown := testPeerMonitor(t) + pm, host, shutdown := testPeerMonitor(t) defer shutdown() - pm2, shutdown2 := testPeerMonitor(t) + pm2, host2, shutdown2 := testPeerMonitor(t) defer shutdown2() time.Sleep(200 * time.Millisecond) - err := pm.host.Connect( + err := host.Connect( context.Background(), peerstore.PeerInfo{ - ID: pm2.host.ID(), - Addrs: pm2.host.Addrs(), + ID: host2.ID(), + Addrs: host2.Addrs(), }, ) if err != nil { @@ -250,9 +267,9 @@ func TestPeerMonitorPublishMetric(t *testing.T) { checkMetric := func(t *testing.T, pm *Monitor) { latestMetrics := pm.LatestMetrics(ctx, "test") if len(latestMetrics) != 1 { - t.Fatal(pm.host.ID(), "expected 1 published metric") + t.Fatal(host.ID(), "expected 1 published metric") } - t.Log(pm.host.ID(), "received metric") + t.Log(host.ID(), "received metric") receivedMetric := latestMetrics[0] if receivedMetric.Peer != metric.Peer || @@ -272,7 +289,7 @@ func TestPeerMonitorPublishMetric(t *testing.T) { func TestPeerMonitorAlerts(t *testing.T) { ctx := context.Background() - pm, shutdown := testPeerMonitor(t) + pm, _, shutdown := testPeerMonitor(t) defer shutdown() mf := newMetricFactory() @@ -282,8 +299,8 @@ func TestPeerMonitorAlerts(t *testing.T) { time.Sleep(time.Second) timeout := time.NewTimer(time.Second * 5) - // it should alert twice at least. Alert re-occurrs. - for i := 0; i < 2; i++ { + // it should alert once. + for i := 0; i < 1; i++ { select { case <-timeout.C: t.Fatal("should have thrown an alert by now") diff --git a/package.json b/package.json index b3f2175e..1028ccc6 100644 --- a/package.json +++ b/package.json @@ -167,6 +167,12 @@ "hash": "QmSSeQqc5QeuefkaM6JFV5tSF9knLUkXKVhW1eYRiqe72W", "name": "uuid", "version": "0.1.0" + }, + { + "author": "hsanjuan", + "hash": "QmWqSMkd9LSYahr9NQvrxoZ4sCzkGctQstqfAYKepzukS6", + "name": "go-ds-crdt", + "version": "0.0.1" } ], "gxVersion": "0.11.0", diff --git a/peer_manager_test.go b/peer_manager_test.go index 5f8f2553..f71a45fd 100644 --- a/peer_manager_test.go +++ b/peer_manager_test.go @@ -11,12 +11,13 @@ import ( "github.com/ipfs/ipfs-cluster/test" cid "github.com/ipfs/go-cid" + host "github.com/libp2p/go-libp2p-host" peer "github.com/libp2p/go-libp2p-peer" peerstore "github.com/libp2p/go-libp2p-peerstore" ma "github.com/multiformats/go-multiaddr" ) -func peerManagerClusters(t *testing.T) ([]*Cluster, []*test.IpfsMock) { +func peerManagerClusters(t *testing.T) ([]*Cluster, []*test.IpfsMock, host.Host) { cls := make([]*Cluster, nClusters, nClusters) mocks := make([]*test.IpfsMock, nClusters, nClusters) var wg sync.WaitGroup @@ -31,22 +32,36 @@ func peerManagerClusters(t *testing.T) ([]*Cluster, []*test.IpfsMock) { } wg.Wait() - // This allows discovery - // PeerAdd won't work without this. - for i := 1; i < nClusters; i++ { + // Create a config + cfg := &Config{} + cfg.Default() + listen, _ := ma.NewMultiaddr("/ip4/127.0.0.1/tcp/0") + cfg.ListenAddr = listen + cfg.Secret = testingClusterSecret + + // Create a bootstrapping libp2p host + h, _, dht, err := NewClusterHost(context.Background(), cfg) + if err != nil { + t.Fatal(err) + } + + // Connect all peers to that host. This will allow that they + // can discover each others via DHT. + for i := 0; i < nClusters; i++ { err := cls[i].host.Connect( context.Background(), peerstore.PeerInfo{ - ID: cls[0].id, - Addrs: cls[0].host.Addrs(), + ID: h.ID(), + Addrs: h.Addrs(), }, ) if err != nil { t.Fatal(err) } } + dht.Bootstrap(context.Background()) - return cls, mocks + return cls, mocks, h } func clusterAddr(c *Cluster) ma.Multiaddr { @@ -62,8 +77,9 @@ func clusterAddr(c *Cluster) ma.Multiaddr { func TestClustersPeerAdd(t *testing.T) { ctx := context.Background() - clusters, mocks := peerManagerClusters(t) + clusters, mocks, boot := peerManagerClusters(t) defer shutdownClusters(t, clusters, mocks) + defer boot.Close() if len(clusters) < 2 { t.Skip("need at least 2 nodes for this test") @@ -99,7 +115,10 @@ func TestClustersPeerAdd(t *testing.T) { } // Check that they are part of the consensus - pins := c.Pins(ctx) + pins, err := c.Pins(ctx) + if err != nil { + t.Fatal(err) + } if len(pins) != 1 { t.Log(pins) t.Error("expected 1 pin everywhere") @@ -139,8 +158,9 @@ func TestClustersPeerAdd(t *testing.T) { func TestClustersJoinBadPeer(t *testing.T) { ctx := context.Background() - clusters, mocks := peerManagerClusters(t) + clusters, mocks, boot := peerManagerClusters(t) defer shutdownClusters(t, clusters, mocks) + defer boot.Close() if len(clusters) < 2 { t.Skip("need at least 2 nodes for this test") @@ -168,8 +188,9 @@ func TestClustersJoinBadPeer(t *testing.T) { func TestClustersPeerAddInUnhealthyCluster(t *testing.T) { ctx := context.Background() - clusters, mocks := peerManagerClusters(t) + clusters, mocks, boot := peerManagerClusters(t) defer shutdownClusters(t, clusters, mocks) + defer boot.Close() if len(clusters) < 3 { t.Skip("need at least 3 nodes for this test") @@ -187,17 +208,37 @@ func TestClustersPeerAddInUnhealthyCluster(t *testing.T) { if err != nil { t.Error("Shutdown should be clean: ", err) } - delay() // This makes sure the leader realizes - //that it's not leader anymore. Otherwise it commits fine. - _, err = clusters[0].PeerAdd(ctx, clusters[2].id) + switch consensus { + case "raft": + delay() // This makes sure the leader realizes that it's not + // leader anymore. Otherwise it commits fine. - if err == nil { - t.Error("expected an error") - } + _, err = clusters[0].PeerAdd(ctx, clusters[2].id) - ids = clusters[0].Peers(ctx) - if len(ids) != 2 { - t.Error("cluster should still have 2 peers") + if err == nil { + t.Error("expected an error") + } + + ids = clusters[0].Peers(ctx) + if len(ids) != 2 { + t.Error("cluster should still have 2 peers") + } + case "crdt": + // crdt does not really care whether we add or remove + + delay() // let metrics expire + _, err = clusters[0].PeerAdd(ctx, clusters[2].id) + + if err != nil { + t.Error(err) + } + + ids = clusters[0].Peers(ctx) + if len(ids) != 2 { + t.Error("cluster should have 2 peers after removing and adding 1") + } + default: + t.Fatal("bad consensus") } } @@ -210,29 +251,37 @@ func TestClustersPeerRemove(t *testing.T) { t.Skip("test needs at least 2 clusters") } - p := clusters[1].ID(ctx).ID - err := clusters[0].PeerRemove(ctx, p) - if err != nil { - t.Error(err) - } + switch consensus { + case "crdt": + // Peer Rm is a no op. + return + case "raft": + p := clusters[1].ID(ctx).ID + err := clusters[0].PeerRemove(ctx, p) + if err != nil { + t.Error(err) + } - delay() + delay() - f := func(t *testing.T, c *Cluster) { - if c.ID(ctx).ID == p { //This is the removed cluster - _, ok := <-c.Done() - if ok { - t.Error("removed peer should have exited") - } - } else { - ids := c.Peers(ctx) - if len(ids) != nClusters-1 { - t.Error("should have removed 1 peer") + f := func(t *testing.T, c *Cluster) { + if c.ID(ctx).ID == p { //This is the removed cluster + _, ok := <-c.Done() + if ok { + t.Error("removed peer should have exited") + } + } else { + ids := c.Peers(ctx) + if len(ids) != nClusters-1 { + t.Error("should have removed 1 peer") + } } } - } - runF(t, clusters, f) + runF(t, clusters, f) + default: + t.Fatal("bad consensus") + } } func TestClustersPeerRemoveSelf(t *testing.T) { @@ -241,30 +290,39 @@ func TestClustersPeerRemoveSelf(t *testing.T) { clusters, mocks := createClusters(t) defer shutdownClusters(t, clusters, mocks) - for i := 0; i < len(clusters); i++ { - waitForLeaderAndMetrics(t, clusters) - peers := clusters[i].Peers(ctx) - t.Logf("Current cluster size: %d", len(peers)) - if len(peers) != (len(clusters) - i) { - t.Fatal("Previous peers not removed correctly") - } - err := clusters[i].PeerRemove(ctx, clusters[i].ID(ctx).ID) - // Last peer member won't be able to remove itself - // In this case, we shut it down. - if err != nil { - if i != len(clusters)-1 { //not last - t.Error(err) - } else { - err := clusters[i].Shutdown(ctx) - if err != nil { - t.Fatal(err) + switch consensus { + case "crdt": + // remove is a no op in CRDTs + return + + case "raft": + for i := 0; i < len(clusters); i++ { + waitForLeaderAndMetrics(t, clusters) + peers := clusters[i].Peers(ctx) + t.Logf("Current cluster size: %d", len(peers)) + if len(peers) != (len(clusters) - i) { + t.Fatal("Previous peers not removed correctly") + } + err := clusters[i].PeerRemove(ctx, clusters[i].ID(ctx).ID) + // Last peer member won't be able to remove itself + // In this case, we shut it down. + if err != nil { + if i != len(clusters)-1 { //not last + t.Error(err) + } else { + err := clusters[i].Shutdown(ctx) + if err != nil { + t.Fatal(err) + } } } + _, more := <-clusters[i].Done() + if more { + t.Error("should be done") + } } - _, more := <-clusters[i].Done() - if more { - t.Error("should be done") - } + default: + t.Fatal("bad consensus") } } @@ -276,47 +334,55 @@ func TestClustersPeerRemoveLeader(t *testing.T) { clusters, mocks := createClusters(t) defer shutdownClusters(t, clusters, mocks) - findLeader := func() *Cluster { - var l peer.ID - for _, c := range clusters { - if !c.shutdownB { - waitForLeaderAndMetrics(t, clusters) - l, _ = c.consensus.Leader(ctx) - } - } - for _, c := range clusters { - if c.id == l { - return c - } - } - return nil - } + switch consensus { + case "crdt": + return + case "raft": - for i := 0; i < len(clusters); i++ { - leader := findLeader() - peers := leader.Peers(ctx) - t.Logf("Current cluster size: %d", len(peers)) - if len(peers) != (len(clusters) - i) { - t.Fatal("Previous peers not removed correctly") - } - err := leader.PeerRemove(ctx, leader.id) - // Last peer member won't be able to remove itself - // In this case, we shut it down. - if err != nil { - if i != len(clusters)-1 { //not last - t.Error(err) - } else { - err := leader.Shutdown(ctx) - if err != nil { - t.Fatal(err) + findLeader := func() *Cluster { + var l peer.ID + for _, c := range clusters { + if !c.shutdownB { + waitForLeaderAndMetrics(t, clusters) + l, _ = c.consensus.Leader(ctx) } } + for _, c := range clusters { + if c.id == l { + return c + } + } + return nil } - _, more := <-leader.Done() - if more { - t.Error("should be done") + + for i := 0; i < len(clusters); i++ { + leader := findLeader() + peers := leader.Peers(ctx) + t.Logf("Current cluster size: %d", len(peers)) + if len(peers) != (len(clusters) - i) { + t.Fatal("Previous peers not removed correctly") + } + err := leader.PeerRemove(ctx, leader.id) + // Last peer member won't be able to remove itself + // In this case, we shut it down. + if err != nil { + if i != len(clusters)-1 { //not last + t.Error(err) + } else { + err := leader.Shutdown(ctx) + if err != nil { + t.Fatal(err) + } + } + } + _, more := <-leader.Done() + if more { + t.Error("should be done") + } + time.Sleep(time.Second / 2) } - time.Sleep(time.Second / 2) + default: + t.Fatal("bad consensus") } } @@ -325,6 +391,11 @@ func TestClustersPeerRemoveReallocsPins(t *testing.T) { clusters, mocks := createClusters(t) defer shutdownClusters(t, clusters, mocks) + if consensus == "crdt" { + t.Log("FIXME when re-alloc changes come through") + return + } + if len(clusters) < 3 { t.Skip("test needs at least 3 clusters") } @@ -381,7 +452,10 @@ func TestClustersPeerRemoveReallocsPins(t *testing.T) { // Find out which pins are associated to the leader. interestingCids := []cid.Cid{} - pins := leader.Pins(ctx) + pins, err := leader.Pins(ctx) + if err != nil { + t.Fatal(err) + } if len(pins) != nClusters { t.Fatal("expected number of tracked pins to be nClusters") } @@ -422,8 +496,9 @@ func TestClustersPeerRemoveReallocsPins(t *testing.T) { func TestClustersPeerJoin(t *testing.T) { ctx := context.Background() - clusters, mocks := peerManagerClusters(t) + clusters, mocks, boot := peerManagerClusters(t) defer shutdownClusters(t, clusters, mocks) + defer boot.Close() if len(clusters) < 3 { t.Skip("test needs at least 3 clusters") @@ -453,7 +528,10 @@ func TestClustersPeerJoin(t *testing.T) { if len(peers) != nClusters { t.Error("all peers should be connected") } - pins := c.Pins(ctx) + pins, err := c.Pins(ctx) + if err != nil { + t.Fatal(err) + } if len(pins) != 1 || !pins[0].Cid.Equals(hash) { t.Error("all peers should have pinned the cid") } @@ -463,8 +541,9 @@ func TestClustersPeerJoin(t *testing.T) { func TestClustersPeerJoinAllAtOnce(t *testing.T) { ctx := context.Background() - clusters, mocks := peerManagerClusters(t) + clusters, mocks, boot := peerManagerClusters(t) defer shutdownClusters(t, clusters, mocks) + defer boot.Close() if len(clusters) < 2 { t.Skip("test needs at least 2 clusters") @@ -487,7 +566,10 @@ func TestClustersPeerJoinAllAtOnce(t *testing.T) { if len(peers) != nClusters { t.Error("all peers should be connected") } - pins := c.Pins(ctx) + pins, err := c.Pins(ctx) + if err != nil { + t.Fatal(err) + } if len(pins) != 1 || !pins[0].Cid.Equals(hash) { t.Error("all peers should have pinned the cid") } @@ -497,9 +579,9 @@ func TestClustersPeerJoinAllAtOnce(t *testing.T) { // This test fails a lot when re-use port is not available (MacOS, Windows) // func TestClustersPeerJoinAllAtOnceWithRandomBootstrap(t *testing.T) { -// clusters, mocks := peerManagerClusters(t) +// clusters, mocks,boot := peerManagerClusters(t) // defer shutdownClusters(t, clusters, mocks) - +// defer boot.Close() // if len(clusters) < 3 { // t.Skip("test needs at least 3 clusters") // } @@ -547,8 +629,9 @@ func TestClustersPeerJoinAllAtOnce(t *testing.T) { // Tests that a peer catches up on the state correctly after rejoining func TestClustersPeerRejoin(t *testing.T) { ctx := context.Background() - clusters, mocks := peerManagerClusters(t) + clusters, mocks, boot := peerManagerClusters(t) defer shutdownClusters(t, clusters, mocks) + defer boot.Close() // pin something in c0 pin1 := test.Cid1 @@ -586,7 +669,7 @@ func TestClustersPeerRejoin(t *testing.T) { // Forget peer so we can re-add one in same address/port f := func(t *testing.T, c *Cluster) { - c.peerManager.RmPeer(clusters[0].id) + c.peerManager.RmPeer(clusters[0].id) // errors ignore for crdts } runF(t, clusters[1:], f) diff --git a/pintracker/maptracker/maptracker.go b/pintracker/maptracker/maptracker.go index 3b4d8393..b86b19b0 100644 --- a/pintracker/maptracker/maptracker.go +++ b/pintracker/maptracker/maptracker.go @@ -233,7 +233,7 @@ func (mpt *MapPinTracker) Untrack(ctx context.Context, c cid.Cid) error { ctx, span := trace.StartSpan(ctx, "tracker/map/Untrack") defer span.End() - logger.Debugf("untracking %s", c) + logger.Infof("untracking %s", c) return mpt.enqueue(ctx, api.PinCid(c), optracker.OperationUnpin, mpt.unpinCh) } diff --git a/pnet_test.go b/pnet_test.go index 83454172..afc13e1b 100644 --- a/pnet_test.go +++ b/pnet_test.go @@ -36,9 +36,10 @@ func TestClusterSecretFormat(t *testing.T) { func TestSimplePNet(t *testing.T) { ctx := context.Background() - clusters, mocks := peerManagerClusters(t) + clusters, mocks, boot := peerManagerClusters(t) defer cleanRaft() defer shutdownClusters(t, clusters, mocks) + defer boot.Close() if len(clusters) < 2 { t.Skip("need at least 2 nodes for this test") diff --git a/pstoremgr/pstoremgr.go b/pstoremgr/pstoremgr.go index 69793d58..d6c102c7 100644 --- a/pstoremgr/pstoremgr.go +++ b/pstoremgr/pstoremgr.go @@ -79,9 +79,11 @@ func (pm *Manager) ImportPeer(addr ma.Multiaddr, connect bool) error { pm.ImportPeers(resolvedAddrs, connect) } if connect { - ctx, cancel := context.WithTimeout(pm.ctx, ConnectTimeout) - defer cancel() - pm.host.Network().DialPeer(ctx, pid) + go func() { + ctx, cancel := context.WithTimeout(pm.ctx, ConnectTimeout) + defer cancel() + pm.host.Network().DialPeer(ctx, pid) + }() } return nil } @@ -210,7 +212,7 @@ func (pm *Manager) SavePeerstore(addrs []api.Multiaddr) { f, err := os.Create(pm.peerstorePath) if err != nil { - logger.Errorf( + logger.Warningf( "could not save peer addresses to %s: %s", pm.peerstorePath, err, diff --git a/rpc_api.go b/rpc_api.go index 913f04fe..fa36f1ef 100644 --- a/rpc_api.go +++ b/rpc_api.go @@ -66,7 +66,10 @@ func (rpcapi *RPCAPI) UnpinPath(ctx context.Context, in *api.PinPath, out *api.P // Pins runs Cluster.Pins(). func (rpcapi *RPCAPI) Pins(ctx context.Context, in struct{}, out *[]*api.Pin) error { - cidList := rpcapi.c.Pins(ctx) + cidList, err := rpcapi.c.Pins(ctx) + if err != nil { + return err + } *out = cidList return nil } diff --git a/sharness/t0050-service-state-upgrade-from-current.sh b/sharness/t0050-service-state-upgrade-from-current.sh deleted file mode 100755 index 744c77ba..00000000 --- a/sharness/t0050-service-state-upgrade-from-current.sh +++ /dev/null @@ -1,32 +0,0 @@ -#!/bin/bash - -test_description="Test service state 'upgrade' from current version" - -. lib/test-lib.sh - -test_ipfs_init -test_cluster_init - -test_expect_success IPFS,CLUSTER "cluster-service state upgrade works" ' - cid=`docker exec ipfs sh -c "echo testing | ipfs add -q"` && - ipfs-cluster-ctl pin add "$cid" && - sleep 5 && - cluster_kill && - sleep 5 && - ipfs-cluster-service --debug --config "test-config" state upgrade -' - -# previous test kills the cluster, we need to re-start -# if done inside the test, we lose debugging output -cluster_start - -test_expect_success IPFS,CLUSTER "state is preserved after migration" ' - cid=`docker exec ipfs sh -c "echo testing | ipfs add -q"` && - ipfs-cluster-ctl pin ls "$cid" | grep -q "$cid" && - ipfs-cluster-ctl status "$cid" | grep -q -i "PINNED" -' - -test_clean_ipfs -test_clean_cluster - -test_done diff --git a/sharness/t0051-service-state-upgrade-from-old.sh b/sharness/t0051-service-state-upgrade-from-old.sh deleted file mode 100755 index 082a05e6..00000000 --- a/sharness/t0051-service-state-upgrade-from-old.sh +++ /dev/null @@ -1,35 +0,0 @@ -#!/bin/bash - -test_description="Test service state upgrade v1 -> v2 and v2 -> v2" - -. lib/test-lib.sh - -test_ipfs_init -test_cluster_init -test_confirm_v1State - -# Make a pin and shutdown to force a snapshot. Modify snapshot files to specify -# a snapshot of v1 state pinning "test" (it's easier than taking a new one each -# time with the correct metadata). Upgrade state, check that the correct -# pin cid is in the state -test_expect_success IPFS,CLUSTER,V1STATE,JQ "cluster-service loads v1 state correctly" ' - cid=`docker exec ipfs sh -c "echo test | ipfs add -q"` && - cid2=`docker exec ipfs sh -c "echo testing | ipfs add -q"` && - ipfs-cluster-ctl pin add "$cid2" && - cluster_kill && - sleep 15 && - SNAP_DIR=`find test-config/raft/snapshots/ -maxdepth 1 -mindepth 1 | head -n 1` && - cp v1State "$SNAP_DIR/state.bin" && - cat "$SNAP_DIR/meta.json" | jq --arg CRC "$V1_CRC" '"'"'.CRC = $CRC'"'"' > tmp.json && - cp tmp.json "$SNAP_DIR/meta.json" && - ipfs-cluster-service --debug --config "test-config" state upgrade && - cluster_start && - ipfs-cluster-ctl pin ls "$cid" | grep -q "$cid" && - ipfs-cluster-ctl status "$cid" | grep -q -i "PINNED" -' - -test_clean_ipfs -test_clean_cluster - - -test_done diff --git a/sharness/t0052-service-state-export.sh b/sharness/t0052-service-state-export.sh index 47ed462a..e11348d0 100755 --- a/sharness/t0052-service-state-export.sh +++ b/sharness/t0052-service-state-export.sh @@ -7,16 +7,6 @@ test_description="Test service state export" test_ipfs_init test_cluster_init - -test_expect_success IPFS,CLUSTER "state export fails without snapshots" ' - cluster_kill && - sleep 5 && - test_expect_code 1 ipfs-cluster-service --debug --config "test-config" state export -' - -test_clean_cluster -test_cluster_init - test_expect_success IPFS,CLUSTER,JQ "state export saves the correct state to expected file" ' cid=`docker exec ipfs sh -c "echo test_52 | ipfs add -q"` && ipfs-cluster-ctl pin add "$cid" && @@ -24,7 +14,7 @@ test_expect_success IPFS,CLUSTER,JQ "state export saves the correct state to exp cluster_kill && sleep 5 && ipfs-cluster-service --debug --config "test-config" state export -f export.json && [ -f export.json ] && - jq -r ".[] | .cid | .[\"/\"]" export.json | grep -q "$cid" + jq -r ".cid | .[\"/\"]" export.json | grep -q "$cid" ' test_clean_ipfs diff --git a/sharness/test_data/importState b/sharness/test_data/importState index dcb0b533..f3a2fea6 100644 --- a/sharness/test_data/importState +++ b/sharness/test_data/importState @@ -1,9 +1,8 @@ -[ - { - "cid": { "/": "QmbrCtydGyPeHiLURSPMqrvE5mCgMCwFYq3UD4XLCeAYw6"}, - "name": "", - "allocations": [], - "replication_factor_min": -1, - "replication_factor_max": -1 - } -] +{ + "cid": { "/": "QmbrCtydGyPeHiLURSPMqrvE5mCgMCwFYq3UD4XLCeAYw6"}, + "name": "", + "allocations": [], + "replication_factor_min": -1, + "replication_factor_max": -1 +} + diff --git a/sharness/test_data/v1State b/sharness/test_data/v1State deleted file mode 100755 index 7a81195e..00000000 Binary files a/sharness/test_data/v1State and /dev/null differ diff --git a/state/dsstate/datastore.go b/state/dsstate/datastore.go index ff2e0d0c..1f4a41d5 100644 --- a/state/dsstate/datastore.go +++ b/state/dsstate/datastore.go @@ -20,6 +20,7 @@ import ( ) var _ state.State = (*State)(nil) +var _ state.BatchingState = (*BatchingState)(nil) var logger = logging.Logger("dsstate") @@ -28,7 +29,8 @@ var logger = logging.Logger("dsstate") // in it. It also provides serialization methods for the whole // state which are datastore-independent. type State struct { - ds ds.Datastore + dsRead ds.Read + dsWrite ds.Write codecHandle codec.Handle namespace ds.Key version int @@ -45,19 +47,18 @@ func DefaultHandle() codec.Handle { // All keys are namespaced with the given string when written. Thus the same // go-datastore can be sharded for different uses. // -// -// The Handle controls options for the serialization of items and the state -// itself. +// The Handle controls options for the serialization of the full state +// (marshaling/unmarshaling). func New(dstore ds.Datastore, namespace string, handle codec.Handle) (*State, error) { if handle == nil { handle = DefaultHandle() } st := &State{ - ds: dstore, + dsRead: dstore, + dsWrite: dstore, codecHandle: handle, namespace: ds.NewKey(namespace), - version: 0, // TODO: Remove when all migrated } return st, nil @@ -72,7 +73,7 @@ func (st *State) Add(ctx context.Context, c *api.Pin) error { if err != nil { return err } - return st.ds.Put(st.key(c.Cid), ps) + return st.dsWrite.Put(st.key(c.Cid), ps) } // Rm removes an existing Pin. It is a no-op when the @@ -81,7 +82,7 @@ func (st *State) Rm(ctx context.Context, c cid.Cid) error { _, span := trace.StartSpan(ctx, "state/dsstate/Rm") defer span.End() - err := st.ds.Delete(st.key(c)) + err := st.dsWrite.Delete(st.key(c)) if err == ds.ErrNotFound { return nil } @@ -91,36 +92,39 @@ func (st *State) Rm(ctx context.Context, c cid.Cid) error { // Get returns a Pin from the store and whether it // was present. When not present, a default pin // is returned. -func (st *State) Get(ctx context.Context, c cid.Cid) (*api.Pin, bool) { +func (st *State) Get(ctx context.Context, c cid.Cid) (*api.Pin, error) { _, span := trace.StartSpan(ctx, "state/dsstate/Get") defer span.End() - v, err := st.ds.Get(st.key(c)) + v, err := st.dsRead.Get(st.key(c)) if err != nil { - return api.PinCid(c), false + if err == ds.ErrNotFound { + return nil, state.ErrNotFound + } + return nil, err } p, err := st.deserializePin(c, v) if err != nil { - return api.PinCid(c), false + return nil, err } - return p, true + return p, nil } // Has returns whether a Cid is stored. -func (st *State) Has(ctx context.Context, c cid.Cid) bool { +func (st *State) Has(ctx context.Context, c cid.Cid) (bool, error) { _, span := trace.StartSpan(ctx, "state/dsstate/Has") defer span.End() - ok, err := st.ds.Has(st.key(c)) + ok, err := st.dsRead.Has(st.key(c)) if err != nil { - logger.Error(err) + return false, err } - return ok && err == nil + return ok, nil } // List returns the unsorted list of all Pins that have been added to the // datastore. -func (st *State) List(ctx context.Context) []*api.Pin { +func (st *State) List(ctx context.Context) ([]*api.Pin, error) { _, span := trace.StartSpan(ctx, "state/dsstate/List") defer span.End() @@ -128,9 +132,9 @@ func (st *State) List(ctx context.Context) []*api.Pin { Prefix: st.namespace.String(), } - results, err := st.ds.Query(q) + results, err := st.dsRead.Query(q) if err != nil { - return []*api.Pin{} + return nil, err } defer results.Close() @@ -139,13 +143,12 @@ func (st *State) List(ctx context.Context) []*api.Pin { for r := range results.Next() { if r.Error != nil { logger.Errorf("error in query result: %s", r.Error) - return pins + return pins, r.Error } k := ds.NewKey(r.Key) ci, err := st.unkey(k) if err != nil { - logger.Error("key: ", k, "error: ", err) - logger.Error(string(r.Value)) + logger.Warning("bad key (ignoring). key: ", k, "error: ", err) continue } @@ -157,7 +160,7 @@ func (st *State) List(ctx context.Context) []*api.Pin { pins = append(pins, p) } - return pins + return pins, nil } // Migrate migrates an older state version to the current one. @@ -168,17 +171,6 @@ func (st *State) Migrate(ctx context.Context, r io.Reader) error { return nil } -// GetVersion returns the current state version. -func (st *State) GetVersion() int { - return st.version -} - -// SetVersion allows to manually modify the state version. -func (st *State) SetVersion(v int) error { - st.version = v - return nil -} - type serialEntry struct { Key string `codec:"k"` Value []byte `codec:"v"` @@ -192,7 +184,7 @@ func (st *State) Marshal(w io.Writer) error { Prefix: st.namespace.String(), } - results, err := st.ds.Query(q) + results, err := st.dsRead.Query(q) if err != nil { return err } @@ -234,7 +226,7 @@ func (st *State) Unmarshal(r io.Reader) error { return err } k := st.namespace.Child(ds.NewKey(entry.Key)) - err := st.ds.Put(k, entry.Value) + err := st.dsWrite.Put(k, entry.Value) if err != nil { logger.Error("error adding unmarshaled key to datastore:", err) return err @@ -269,3 +261,48 @@ func (st *State) deserializePin(c cid.Cid, buf []byte) (*api.Pin, error) { p.Cid = c return p, err } + +// BatchingState implements the IPFS Cluster "state" interface by wrapping a +// batching go-datastore. All writes are batched and only written disk +// when Commit() is called. +type BatchingState struct { + *State + batch ds.Batch +} + +// NewBatching returns a new batching statate using the given datastore. +// +// All keys are namespaced with the given string when written. Thus the same +// go-datastore can be sharded for different uses. +// +// The Handle controls options for the serialization of the full state +// (marshaling/unmarshaling). +func NewBatching(dstore ds.Batching, namespace string, handle codec.Handle) (*BatchingState, error) { + if handle == nil { + handle = DefaultHandle() + } + + batch, err := dstore.Batch() + if err != nil { + return nil, err + } + + st := &State{ + dsRead: dstore, + dsWrite: batch, + codecHandle: handle, + namespace: ds.NewKey(namespace), + } + + bst := &BatchingState{} + bst.State = st + bst.batch = batch + return bst, nil +} + +// Commit persists the batched write operations. +func (bst *BatchingState) Commit(ctx context.Context) error { + ctx, span := trace.StartSpan(ctx, "state/dsstate/Commit") + defer span.End() + return bst.batch.Commit() +} diff --git a/state/mapstate/map_state_test.go b/state/dsstate/datastore_test.go similarity index 56% rename from state/mapstate/map_state_test.go rename to state/dsstate/datastore_test.go index db413833..81935668 100644 --- a/state/mapstate/map_state_test.go +++ b/state/dsstate/datastore_test.go @@ -1,16 +1,15 @@ -package mapstate +package dsstate import ( "bytes" "context" "testing" - msgpack "github.com/multiformats/go-multicodec/msgpack" + "github.com/ipfs/ipfs-cluster/api" + "github.com/ipfs/ipfs-cluster/datastore/inmem" cid "github.com/ipfs/go-cid" peer "github.com/libp2p/go-libp2p-peer" - - "github.com/ipfs/ipfs-cluster/api" ) var testCid1, _ = cid.Decode("QmP63DkAFEnDYNjDYBpyNDfttu1fvUw99x1brscPzpqmmq") @@ -28,21 +27,30 @@ var c = &api.Pin{ }, } +func newState(t *testing.T) *State { + store := inmem.New() + ds, err := New(store, "", DefaultHandle()) + if err != nil { + t.Fatal(err) + } + return ds +} + func TestAdd(t *testing.T) { ctx := context.Background() - ms := NewMapState() - ms.Add(ctx, c) - if !ms.Has(ctx, c.Cid) { + st := newState(t) + st.Add(ctx, c) + if ok, err := st.Has(ctx, c.Cid); !ok || err != nil { t.Error("should have added it") } } func TestRm(t *testing.T) { ctx := context.Background() - ms := NewMapState() - ms.Add(ctx, c) - ms.Rm(ctx, c.Cid) - if ms.Has(ctx, c.Cid) { + st := newState(t) + st.Add(ctx, c) + st.Rm(ctx, c.Cid) + if ok, err := st.Has(ctx, c.Cid); ok || err != nil { t.Error("should have removed it") } } @@ -54,12 +62,17 @@ func TestGet(t *testing.T) { t.Fatal("paniced") } }() - ms := NewMapState() - ms.Add(ctx, c) - get, ok := ms.Get(ctx, c.Cid) - if !ok { + st := newState(t) + st.Add(ctx, c) + get, err := st.Get(ctx, c.Cid) + if err != nil { + t.Fatal(err) + } + + if get == nil { t.Fatal("not found") } + if get.Cid.String() != c.Cid.String() { t.Error("bad cid decoding: ", get.Cid) } @@ -81,9 +94,12 @@ func TestList(t *testing.T) { t.Fatal("paniced") } }() - ms := NewMapState() - ms.Add(ctx, c) - list := ms.List(ctx) + st := newState(t) + st.Add(ctx, c) + list, err := st.List(ctx) + if err != nil { + t.Fatal(err) + } if list[0].Cid.String() != c.Cid.String() || list[0].Allocations[0] != c.Allocations[0] || list[0].ReplicationFactorMax != c.ReplicationFactorMax || @@ -94,23 +110,24 @@ func TestList(t *testing.T) { func TestMarshalUnmarshal(t *testing.T) { ctx := context.Background() - ms := NewMapState() - ms.Add(ctx, c) + st := newState(t) + st.Add(ctx, c) buf := new(bytes.Buffer) - err := ms.Marshal(buf) + err := st.Marshal(buf) if err != nil { t.Fatal(err) } - ms2 := NewMapState() - err = ms2.Unmarshal(buf) + st2 := newState(t) + err = st2.Unmarshal(buf) if err != nil { t.Fatal(err) } - if ms.GetVersion() != ms2.GetVersion() { - t.Fatal("version mismatch", ms.GetVersion(), ms2.GetVersion()) + + get, err := st2.Get(ctx, c.Cid) + if err != nil { + t.Fatal(err) } - get, ok := ms2.Get(ctx, c.Cid) - if !ok { + if get == nil { t.Fatal("cannot get pin") } if get.Allocations[0] != testPeerID1 { @@ -120,46 +137,3 @@ func TestMarshalUnmarshal(t *testing.T) { t.Error("expected different cid") } } - -func TestMigrateFromV1(t *testing.T) { - ctx := context.Background() - // Construct the bytes of a v1 state - var v1State mapStateV1 - v1State.PinMap = map[string]struct{}{ - c.Cid.String(): {}} - v1State.Version = 1 - buf := new(bytes.Buffer) - enc := msgpack.Multicodec(msgpack.DefaultMsgpackHandle()).Encoder(buf) - err := enc.Encode(v1State) - if err != nil { - t.Fatal(err) - } - vCodec := make([]byte, 1) - vCodec[0] = byte(v1State.Version) - v1Bytes := append(vCodec, buf.Bytes()...) - - buf2 := bytes.NewBuffer(v1Bytes) - // Unmarshal first to check this is v1 - ms := NewMapState() - err = ms.Unmarshal(buf2) - if err != nil { - t.Error(err) - } - if ms.GetVersion() != 1 { - t.Error("unmarshal picked up the wrong version") - } - // Migrate state to current version - r := bytes.NewBuffer(v1Bytes) - err = ms.Migrate(ctx, r) - if err != nil { - t.Fatal(err) - } - get, ok := ms.Get(ctx, c.Cid) - if !ok { - t.Fatal("migrated state does not contain cid") - } - if get.ReplicationFactorMax != -1 || get.ReplicationFactorMin != -1 || !get.Cid.Equals(c.Cid) { - t.Error("expected something different") - t.Logf("%+v", get) - } -} diff --git a/state/empty.go b/state/empty.go new file mode 100644 index 00000000..4bc784c3 --- /dev/null +++ b/state/empty.go @@ -0,0 +1,28 @@ +package state + +import ( + "context" + + "github.com/ipfs/ipfs-cluster/api" + + cid "github.com/ipfs/go-cid" +) + +type empty struct{} + +func (e *empty) List(ctx context.Context) ([]*api.Pin, error) { + return []*api.Pin{}, nil +} + +func (e *empty) Has(ctx context.Context, c cid.Cid) (bool, error) { + return false, nil +} + +func (e *empty) Get(ctx context.Context, c cid.Cid) (*api.Pin, error) { + return nil, ErrNotFound +} + +// Empty returns an empty read-only state. +func Empty() ReadOnly { + return &empty{} +} diff --git a/state/interface.go b/state/interface.go index 90d64314..17c56d1c 100644 --- a/state/interface.go +++ b/state/interface.go @@ -5,32 +5,55 @@ package state // State represents the shared state of the cluster and it import ( "context" + "errors" "io" - cid "github.com/ipfs/go-cid" - "github.com/ipfs/ipfs-cluster/api" + + cid "github.com/ipfs/go-cid" ) -// State is used by the Consensus component to keep track of -// objects which objects are pinned. This component should be thread safe. +// ErrNotFound should be returned when a pin is not part of the state. +var ErrNotFound = errors.New("pin is not part of the pinset") + +// State is a wrapper to the Cluster shared state so that Pin objects can +// easily read, written and queried. The state can be marshaled and +// unmarshaled. Implementation should be thread-safe. type State interface { + ReadOnly + WriteOnly + // Migrate restores the serialized format of an outdated state to the + // current version. + Migrate(ctx context.Context, r io.Reader) error + // Marshal serializes the state to a byte slice. + Marshal(io.Writer) error + // Unmarshal deserializes the state from marshaled bytes. + Unmarshal(io.Reader) error + // Commit writes any batched operations. +} + +// ReadOnly represents a the read side of a State. +type ReadOnly interface { + // List lists all the pins in the state. + List(context.Context) ([]*api.Pin, error) + // Has returns true if the state is holding information for a Cid. + Has(context.Context, cid.Cid) (bool, error) + // Get returns the information attacthed to this pin, if any. If the + // pin is not part of the state, it should return ErrNotFound. + Get(context.Context, cid.Cid) (*api.Pin, error) +} + +// WriteOnly represents the write side of a State. +type WriteOnly interface { // Add adds a pin to the State Add(context.Context, *api.Pin) error - // Rm removes a pin from the State + // Rm removes a pin from the State. Rm(context.Context, cid.Cid) error - // List lists all the pins in the state - List(context.Context) []*api.Pin - // Has returns true if the state is holding information for a Cid - Has(context.Context, cid.Cid) bool - // Get returns the information attacthed to this pin - Get(context.Context, cid.Cid) (*api.Pin, bool) - // Migrate restores the serialized format of an outdated state to the current version - Migrate(ctx context.Context, r io.Reader) error - // Return the version of this state - GetVersion() int - // Marshal serializes the state to a byte slice - Marshal(io.Writer) error - // Unmarshal deserializes the state from marshaled bytes - Unmarshal(io.Reader) error +} + +// BatchingState represents a state which batches write operations. +type BatchingState interface { + State + // Commit writes any batched operations. + Commit(context.Context) error } diff --git a/state/mapstate/map_state.go b/state/mapstate/map_state.go deleted file mode 100644 index ccaf686a..00000000 --- a/state/mapstate/map_state.go +++ /dev/null @@ -1,178 +0,0 @@ -// Package mapstate implements the State interface for IPFS Cluster by using -// a map to keep track of the consensus-shared state. -package mapstate - -import ( - "bufio" - "bytes" - "context" - "io" - "io/ioutil" - - "github.com/ipfs/ipfs-cluster/api" - "github.com/ipfs/ipfs-cluster/state" - "github.com/ipfs/ipfs-cluster/state/dsstate" - - cid "github.com/ipfs/go-cid" - ds "github.com/ipfs/go-datastore" - sync "github.com/ipfs/go-datastore/sync" - logging "github.com/ipfs/go-log" - - trace "go.opencensus.io/trace" -) - -// Version is the map state Version. States with old versions should -// perform an upgrade before. -const Version = 6 - -var logger = logging.Logger("mapstate") - -// MapState is mostly a MapDatastore to store the pinset. -type MapState struct { - dst *dsstate.State -} - -// NewMapState initializes the internal map and returns a new MapState object. -func NewMapState() state.State { - // We need to keep a custom Migrate until everyone is - // on version 6. Then we could fully remove all the - // wrapping struct and just return the dsstate directly. - - mapDs := ds.NewMapDatastore() - mutexDs := sync.MutexWrap(mapDs) - - dsSt, err := dsstate.New(mutexDs, "", dsstate.DefaultHandle()) - if err != nil { - panic(err) - } - dsSt.SetVersion(Version) - return &MapState{dsSt} -} - -// Add adds a Pin to the internal map. -func (st *MapState) Add(ctx context.Context, c *api.Pin) error { - ctx, span := trace.StartSpan(ctx, "state/map/Add") - defer span.End() - return st.dst.Add(ctx, c) -} - -// Rm removes a Cid from the internal map. -func (st *MapState) Rm(ctx context.Context, c cid.Cid) error { - ctx, span := trace.StartSpan(ctx, "state/map/Rm") - defer span.End() - - return st.dst.Rm(ctx, c) -} - -// Get returns Pin information for a CID. -// The returned object has its Cid and Allocations -// fields initialized, regardless of the -// presence of the provided Cid in the state. -// To check the presence, use MapState.Has(cid.Cid). -func (st *MapState) Get(ctx context.Context, c cid.Cid) (*api.Pin, bool) { - ctx, span := trace.StartSpan(ctx, "state/map/Get") - defer span.End() - - return st.dst.Get(ctx, c) -} - -// Has returns true if the Cid belongs to the State. -func (st *MapState) Has(ctx context.Context, c cid.Cid) bool { - ctx, span := trace.StartSpan(ctx, "state/map/Has") - defer span.End() - return st.dst.Has(ctx, c) -} - -// List provides the list of tracked Pins. -func (st *MapState) List(ctx context.Context) []*api.Pin { - ctx, span := trace.StartSpan(ctx, "state/map/List") - defer span.End() - return st.dst.List(ctx) -} - -// Migrate restores a snapshot from the state's internal bytes and if -// necessary migrates the format to the current version. -func (st *MapState) Migrate(ctx context.Context, r io.Reader) error { - _, span := trace.StartSpan(ctx, "state/map/Migrate") - defer span.End() - - // TODO: Remove after migration to v6! - // Read the full state - Unfortunately there is no way to - // migrate v5 to v6 without doing this. - full, err := ioutil.ReadAll(r) - - if err != nil { - return err - } - - // Try to do our special unmarshal - buf := bytes.NewBuffer(full) - err = st.Unmarshal(buf) - if err != nil { - return err - } - - v := st.GetVersion() - - if v == Version { // Unmarshal worked - return nil - } - - // we need to migrate. Discard first byte. - buf2 := bytes.NewBuffer(full[1:]) - err = st.migrateFrom(v, buf2) - if err != nil { - return err - } - st.dst.SetVersion(Version) - return nil -} - -// GetVersion returns the current version of this state object. -// It is not necessarily up to date -func (st *MapState) GetVersion() int { - return st.dst.GetVersion() -} - -// Marshal encodes the state to the given writer. This implements -// go-libp2p-raft.Marshable. -func (st *MapState) Marshal(w io.Writer) error { - return st.dst.Marshal(w) -} - -// Unmarshal decodes the state from the given reader. This implements -// go-libp2p-raft.Marshable. -func (st *MapState) Unmarshal(r io.Reader) error { - // TODO: Re-do when on version 6. - // This is only to enable migration. - - // Extract the first byte in case this is an old - // state. - iobuf := bufio.NewReader(r) - vByte, err := iobuf.ReadByte() - if err != nil { - return err - } - err = iobuf.UnreadByte() - if err != nil { - return err - } - - // Try to unmarshal normally - err = st.dst.Unmarshal(iobuf) - if err == nil { - // Set current version - st.dst.SetVersion(Version) - return nil - } - - // Error. Assume it's an old state - // and try to migrate it. - err = st.dst.SetVersion(int(vByte)) - if err != nil { - return err - } - // We set the version but did not unmarshal. - // This signals that a migration is needed. - return nil -} diff --git a/state/mapstate/migrate.go b/state/mapstate/migrate.go deleted file mode 100644 index 87523840..00000000 --- a/state/mapstate/migrate.go +++ /dev/null @@ -1,280 +0,0 @@ -package mapstate - -// To add a new state format -// - implement the previous format's "next" function to the new format -// - implement the new format's unmarshal function -// - add a case to the switch statement for the previous format version -// - update the code copying the from mapStateVx to mapState -import ( - "context" - "errors" - "io" - - cid "github.com/ipfs/go-cid" - - "github.com/ipfs/ipfs-cluster/api" - - msgpack "github.com/multiformats/go-multicodec/msgpack" -) - -// Instances of migrateable can be read from a serialized format and migrated -// to other state formats -type migrateable interface { - next() migrateable - unmarshal(io.Reader) error -} - -/* V1 */ - -type mapStateV1 struct { - Version int - PinMap map[string]struct{} -} - -// Unmarshal the serialization of a v1 state -func (st *mapStateV1) unmarshal(r io.Reader) error { - dec := msgpack.Multicodec(msgpack.DefaultMsgpackHandle()).Decoder(r) - return dec.Decode(st) -} - -// Migrate from v1 to v2 -func (st *mapStateV1) next() migrateable { - var mst2 mapStateV2 - mst2.PinMap = make(map[string]pinSerialV2) - for k := range st.PinMap { - mst2.PinMap[k] = pinSerialV2{ - Cid: k, - Allocations: []string{}, - ReplicationFactor: -1, - } - } - return &mst2 -} - -/* V2 */ - -type pinSerialV2 struct { - Cid string `json:"cid"` - Name string `json:"name"` - Allocations []string `json:"allocations"` - ReplicationFactor int `json:"replication_factor"` -} - -type mapStateV2 struct { - PinMap map[string]pinSerialV2 - Version int -} - -func (st *mapStateV2) unmarshal(r io.Reader) error { - dec := msgpack.Multicodec(msgpack.DefaultMsgpackHandle()).Decoder(r) - return dec.Decode(st) -} - -func (st *mapStateV2) next() migrateable { - var mst3 mapStateV3 - mst3.PinMap = make(map[string]pinSerialV3) - for k, v := range st.PinMap { - mst3.PinMap[k] = pinSerialV3{ - Cid: v.Cid, - Name: v.Name, - Allocations: v.Allocations, - ReplicationFactorMin: v.ReplicationFactor, - ReplicationFactorMax: v.ReplicationFactor, - } - } - return &mst3 -} - -/* V3 */ - -type pinSerialV3 struct { - Cid string `json:"cid"` - Name string `json:"name"` - Allocations []string `json:"allocations"` - ReplicationFactorMin int `json:"replication_factor_min"` - ReplicationFactorMax int `json:"replication_factor_max"` -} - -type mapStateV3 struct { - PinMap map[string]pinSerialV3 - Version int -} - -func (st *mapStateV3) unmarshal(r io.Reader) error { - dec := msgpack.Multicodec(msgpack.DefaultMsgpackHandle()).Decoder(r) - return dec.Decode(st) -} - -func (st *mapStateV3) next() migrateable { - var mst4 mapStateV4 - mst4.PinMap = make(map[string]pinSerialV4) - for k, v := range st.PinMap { - mst4.PinMap[k] = pinSerialV4{ - Cid: v.Cid, - Name: v.Name, - Allocations: v.Allocations, - ReplicationFactorMin: v.ReplicationFactorMin, - ReplicationFactorMax: v.ReplicationFactorMax, - Recursive: true, - } - } - return &mst4 -} - -/* V4 */ - -type pinSerialV4 struct { - Cid string `json:"cid"` - Name string `json:"name"` - Allocations []string `json:"allocations"` - ReplicationFactorMin int `json:"replication_factor_min"` - ReplicationFactorMax int `json:"replication_factor_max"` - Recursive bool `json:"recursive"` -} - -type mapStateV4 struct { - PinMap map[string]pinSerialV4 - Version int -} - -func (st *mapStateV4) unmarshal(r io.Reader) error { - dec := msgpack.Multicodec(msgpack.DefaultMsgpackHandle()).Decoder(r) - return dec.Decode(st) -} - -func (st *mapStateV4) next() migrateable { - var mst5 mapStateV5 - mst5.PinMap = make(map[string]pinSerialV5) - for k, v := range st.PinMap { - pinsv5 := pinSerialV5{} - pinsv5.Cid = v.Cid - pinsv5.Type = uint64(api.DataType) - pinsv5.Allocations = v.Allocations - - // Encountered pins with Recursive=false - // in previous states. Since we do not support - // non recursive pins yet, we fix it by - // harcoding MaxDepth. - pinsv5.MaxDepth = -1 - - // Options - pinsv5.Name = v.Name - pinsv5.ReplicationFactorMin = v.ReplicationFactorMin - pinsv5.ReplicationFactorMax = v.ReplicationFactorMax - - mst5.PinMap[k] = pinsv5 - } - return &mst5 -} - -/* V5 */ - -type pinOptionsV5 struct { - ReplicationFactorMin int `json:"replication_factor_min"` - ReplicationFactorMax int `json:"replication_factor_max"` - Name string `json:"name"` - ShardSize uint64 `json:"shard_size"` -} - -type pinSerialV5 struct { - pinOptionsV5 - - Cid string `json:"cid"` - Type uint64 `json:"type"` - Allocations []string `json:"allocations"` - MaxDepth int `json:"max_depth"` - Reference string `json:"reference"` -} - -type mapStateV5 struct { - PinMap map[string]pinSerialV5 - Version int -} - -func (st *mapStateV5) unmarshal(r io.Reader) error { - dec := msgpack.Multicodec(msgpack.DefaultMsgpackHandle()).Decoder(r) - return dec.Decode(st) -} - -func (st *mapStateV5) next() migrateable { - v6 := NewMapState() - for k, v := range st.PinMap { - logger.Infof("migrating %s", k) - // we need to convert because we added codec struct fields - // and thus serialization is not the same. - p := &api.Pin{} - c, err := cid.Decode(v.Cid) - if err != nil { - logger.Error(err) - } - p.Cid = c - p.Type = api.PinType(v.Type) - p.Allocations = api.StringsToPeers(v.Allocations) - p.MaxDepth = v.MaxDepth - - r, err := cid.Decode(v.Reference) - if err == nil { - p.Reference = &r - } - p.ReplicationFactorMax = v.ReplicationFactorMax - p.ReplicationFactorMin = v.ReplicationFactorMin - p.Name = v.Name - p.ShardSize = v.ShardSize - - v6.Add(context.Background(), p) - } - return v6.(*MapState) -} - -// Last time we use this migration approach. -func (st *MapState) next() migrateable { return nil } -func (st *MapState) unmarshal(r io.Reader) error { - return st.dst.Unmarshal(r) -} - -// Migrate code - -func finalCopy(st *MapState, internal *MapState) { - st.dst = internal.dst -} - -func (st *MapState) migrateFrom(version int, snap io.Reader) error { - var m, next migrateable - switch version { - case 1: - var mst1 mapStateV1 - m = &mst1 - case 2: - var mst2 mapStateV2 - m = &mst2 - case 3: - var mst3 mapStateV3 - m = &mst3 - case 4: - var mst4 mapStateV4 - m = &mst4 - case 5: - var mst5 mapStateV5 - m = &mst5 - default: - return errors.New("version migration not supported") - } - - err := m.unmarshal(snap) - if err != nil { - return err - } - - for { - next = m.next() - if next == nil { - mst6, ok := m.(*MapState) - if !ok { - return errors.New("migration ended prematurely") - } - finalCopy(st, mst6) - return nil - } - m = next - } -} diff --git a/test/ipfs_mock.go b/test/ipfs_mock.go index b4474b42..01e70bdd 100644 --- a/test/ipfs_mock.go +++ b/test/ipfs_mock.go @@ -10,11 +10,13 @@ import ( "net/url" "strconv" "strings" + "testing" "time" "github.com/ipfs/ipfs-cluster/api" + "github.com/ipfs/ipfs-cluster/datastore/inmem" "github.com/ipfs/ipfs-cluster/state" - "github.com/ipfs/ipfs-cluster/state/mapstate" + "github.com/ipfs/ipfs-cluster/state/dsstate" cid "github.com/ipfs/go-cid" u "github.com/ipfs/go-ipfs-util" @@ -96,8 +98,12 @@ type mockBlockPutResp struct { } // NewIpfsMock returns a new mock. -func NewIpfsMock() *IpfsMock { - st := mapstate.NewMapState() +func NewIpfsMock(t *testing.T) *IpfsMock { + store := inmem.New() + st, err := dsstate.New(store, "", dsstate.DefaultHandle()) + if err != nil { + t.Fatal(err) + } blocks := make(map[string][]byte) m := &IpfsMock{ pinMap: st, @@ -183,7 +189,10 @@ func (m *IpfsMock) handler(w http.ResponseWriter, r *http.Request) { arg, ok := extractCid(r.URL) if !ok { rMap := make(map[string]mockPinType) - pins := m.pinMap.List(ctx) + pins, err := m.pinMap.List(ctx) + if err != nil { + goto ERROR + } for _, p := range pins { rMap[p.Cid.String()] = mockPinType{"recursive"} } @@ -197,7 +206,10 @@ func (m *IpfsMock) handler(w http.ResponseWriter, r *http.Request) { if err != nil { goto ERROR } - ok = m.pinMap.Has(ctx, c) + ok, err = m.pinMap.Has(ctx, c) + if err != nil { + goto ERROR + } if ok { rMap := make(map[string]mockPinType) rMap[cidStr] = mockPinType{"recursive"} @@ -290,7 +302,11 @@ func (m *IpfsMock) handler(w http.ResponseWriter, r *http.Request) { w.Write(data) case "repo/stat": sizeOnly := r.URL.Query().Get("size-only") - len := len(m.pinMap.List(ctx)) + list, err := m.pinMap.List(ctx) + if err != nil { + goto ERROR + } + len := len(list) numObjs := uint64(len) if sizeOnly == "true" { numObjs = 0 diff --git a/test/test_test.go b/test/test_test.go index 34055b6a..19c24181 100644 --- a/test/test_test.go +++ b/test/test_test.go @@ -8,7 +8,7 @@ import ( ) func TestIpfsMock(t *testing.T) { - ipfsmock := NewIpfsMock() + ipfsmock := NewIpfsMock(t) defer ipfsmock.Close() }