523e109ef1
License: MIT Signed-off-by: Robert Ignat <robert.ignat91@gmail.com>
298 lines
7.4 KiB
Go
298 lines
7.4 KiB
Go
package main
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import (
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"context"
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"errors"
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"os"
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"os/signal"
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"syscall"
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"time"
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host "github.com/libp2p/go-libp2p-host"
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"github.com/urfave/cli"
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ipfscluster "github.com/ipfs/ipfs-cluster"
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"github.com/ipfs/ipfs-cluster/allocator/ascendalloc"
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"github.com/ipfs/ipfs-cluster/allocator/descendalloc"
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"github.com/ipfs/ipfs-cluster/api/ipfsproxy"
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"github.com/ipfs/ipfs-cluster/api/rest"
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"github.com/ipfs/ipfs-cluster/consensus/raft"
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"github.com/ipfs/ipfs-cluster/informer/disk"
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"github.com/ipfs/ipfs-cluster/informer/numpin"
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"github.com/ipfs/ipfs-cluster/ipfsconn/ipfshttp"
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"github.com/ipfs/ipfs-cluster/monitor/basic"
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"github.com/ipfs/ipfs-cluster/monitor/pubsubmon"
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"github.com/ipfs/ipfs-cluster/observations"
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"github.com/ipfs/ipfs-cluster/pintracker/maptracker"
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"github.com/ipfs/ipfs-cluster/pintracker/stateless"
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"github.com/ipfs/ipfs-cluster/pstoremgr"
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"github.com/ipfs/ipfs-cluster/state/mapstate"
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ma "github.com/multiformats/go-multiaddr"
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)
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func parseBootstraps(flagVal []string) (bootstraps []ma.Multiaddr) {
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for _, a := range flagVal {
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bAddr, err := ma.NewMultiaddr(a)
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checkErr("error parsing bootstrap multiaddress (%s)", err, a)
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bootstraps = append(bootstraps, bAddr)
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}
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return
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}
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// Runs the cluster peer
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func daemon(c *cli.Context) error {
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logger.Info("Initializing. For verbose output run with \"-l debug\". Please wait...")
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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// Load all the configurations
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cfgMgr, cfgs := makeConfigs()
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// Run any migrations
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if c.Bool("upgrade") {
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err := upgrade(ctx)
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if err != errNoSnapshot {
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checkErr("upgrading state", err)
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} // otherwise continue
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}
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bootstraps := parseBootstraps(c.StringSlice("bootstrap"))
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// Execution lock
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err := locker.lock()
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checkErr("acquiring execution lock", err)
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defer locker.tryUnlock()
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// Load all the configurations
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// always wait for configuration to be saved
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defer cfgMgr.Shutdown()
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err = cfgMgr.LoadJSONFileAndEnv(configPath)
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checkErr("loading configuration", err)
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if c.Bool("stats") {
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cfgs.metricsCfg.EnableStats = true
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}
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cfgs = propagateTracingConfig(cfgs, c.Bool("tracing"))
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// Cleanup state if bootstrapping
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raftStaging := false
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if len(bootstraps) > 0 {
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cleanupState(cfgs.consensusCfg)
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raftStaging = true
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}
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if c.Bool("leave") {
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cfgs.clusterCfg.LeaveOnShutdown = true
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}
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cluster, err := createCluster(ctx, c, cfgs, raftStaging)
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checkErr("starting cluster", err)
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// noop if no bootstraps
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// if bootstrapping fails, consensus will never be ready
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// and timeout. So this can happen in background and we
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// avoid worrying about error handling here (since Cluster
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// will realize).
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go bootstrap(ctx, cluster, bootstraps)
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return handleSignals(ctx, cluster)
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}
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func createCluster(
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ctx context.Context,
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c *cli.Context,
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cfgs *cfgs,
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raftStaging bool,
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) (*ipfscluster.Cluster, error) {
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err := observations.SetupMetrics(cfgs.metricsCfg)
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checkErr("setting up Metrics", err)
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tracer, err := observations.SetupTracing(cfgs.tracingCfg)
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checkErr("setting up Tracing", err)
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host, err := ipfscluster.NewClusterHost(ctx, cfgs.clusterCfg)
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checkErr("creating libP2P Host", err)
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peerstoreMgr := pstoremgr.New(host, cfgs.clusterCfg.GetPeerstorePath())
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peerstoreMgr.ImportPeersFromPeerstore(false)
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api, err := rest.NewAPIWithHost(ctx, cfgs.apiCfg, host)
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checkErr("creating REST API component", err)
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proxy, err := ipfsproxy.New(cfgs.ipfsproxyCfg)
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checkErr("creating IPFS Proxy component", err)
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apis := []ipfscluster.API{api, proxy}
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connector, err := ipfshttp.NewConnector(cfgs.ipfshttpCfg)
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checkErr("creating IPFS Connector component", err)
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state := mapstate.NewMapState()
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err = validateVersion(ctx, cfgs.clusterCfg, cfgs.consensusCfg)
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checkErr("validating version", err)
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raftcon, err := raft.NewConsensus(
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host,
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cfgs.consensusCfg,
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state,
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raftStaging,
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)
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checkErr("creating consensus component", err)
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tracker := setupPinTracker(c.String("pintracker"), host, cfgs.maptrackerCfg, cfgs.statelessTrackerCfg, cfgs.clusterCfg.Peername)
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mon := setupMonitor(c.String("monitor"), host, cfgs.monCfg, cfgs.pubsubmonCfg)
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informer, alloc := setupAllocation(c.String("alloc"), cfgs.diskInfCfg, cfgs.numpinInfCfg)
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ipfscluster.ReadyTimeout = cfgs.consensusCfg.WaitForLeaderTimeout + 5*time.Second
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return ipfscluster.NewCluster(
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host,
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cfgs.clusterCfg,
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raftcon,
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apis,
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connector,
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state,
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tracker,
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mon,
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alloc,
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informer,
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tracer,
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)
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}
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// bootstrap will bootstrap this peer to one of the bootstrap addresses
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// if there are any.
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func bootstrap(ctx context.Context, cluster *ipfscluster.Cluster, bootstraps []ma.Multiaddr) {
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for _, bstrap := range bootstraps {
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logger.Infof("Bootstrapping to %s", bstrap)
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err := cluster.Join(ctx, bstrap)
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if err != nil {
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logger.Errorf("bootstrap to %s failed: %s", bstrap, err)
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}
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}
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}
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func handleSignals(ctx context.Context, cluster *ipfscluster.Cluster) error {
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signalChan := make(chan os.Signal, 20)
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signal.Notify(
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signalChan,
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syscall.SIGINT,
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syscall.SIGTERM,
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syscall.SIGHUP,
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)
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var ctrlcCount int
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for {
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select {
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case <-signalChan:
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ctrlcCount++
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handleCtrlC(ctx, cluster, ctrlcCount)
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case <-cluster.Done():
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return nil
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}
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}
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}
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func handleCtrlC(ctx context.Context, cluster *ipfscluster.Cluster, ctrlcCount int) {
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switch ctrlcCount {
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case 1:
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go func() {
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err := cluster.Shutdown(ctx)
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checkErr("shutting down cluster", err)
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}()
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case 2:
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out(`
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Shutdown is taking too long! Press Ctrl-c again to manually kill cluster.
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Note that this may corrupt the local cluster state.
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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`)
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case 3:
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out("exiting cluster NOW")
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locker.tryUnlock()
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os.Exit(-1)
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}
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}
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func setupAllocation(
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name string,
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diskInfCfg *disk.Config,
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numpinInfCfg *numpin.Config,
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) (ipfscluster.Informer, ipfscluster.PinAllocator) {
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switch name {
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case "disk", "disk-freespace":
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informer, err := disk.NewInformer(diskInfCfg)
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checkErr("creating informer", err)
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return informer, descendalloc.NewAllocator()
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case "disk-reposize":
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informer, err := disk.NewInformer(diskInfCfg)
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checkErr("creating informer", err)
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return informer, ascendalloc.NewAllocator()
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case "numpin", "pincount":
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informer, err := numpin.NewInformer(numpinInfCfg)
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checkErr("creating informer", err)
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return informer, ascendalloc.NewAllocator()
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default:
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err := errors.New("unknown allocation strategy")
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checkErr("", err)
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return nil, nil
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}
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}
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func setupMonitor(
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name string,
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h host.Host,
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basicCfg *basic.Config,
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pubsubCfg *pubsubmon.Config,
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) ipfscluster.PeerMonitor {
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switch name {
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case "basic":
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mon, err := basic.NewMonitor(basicCfg)
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checkErr("creating monitor", err)
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logger.Debug("basic monitor loaded")
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return mon
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case "pubsub":
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mon, err := pubsubmon.New(h, pubsubCfg)
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checkErr("creating monitor", err)
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logger.Debug("pubsub monitor loaded")
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return mon
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default:
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err := errors.New("unknown monitor type")
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checkErr("", err)
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return nil
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}
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}
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func setupPinTracker(
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name string,
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h host.Host,
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mapCfg *maptracker.Config,
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statelessCfg *stateless.Config,
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peerName string,
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) ipfscluster.PinTracker {
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switch name {
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case "map":
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ptrk := maptracker.NewMapPinTracker(mapCfg, h.ID(), peerName)
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logger.Debug("map pintracker loaded")
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return ptrk
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case "stateless":
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ptrk := stateless.New(statelessCfg, h.ID(), peerName)
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logger.Debug("stateless pintracker loaded")
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return ptrk
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default:
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err := errors.New("unknown pintracker type")
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checkErr("", err)
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return nil
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}
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}
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