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move changes into separate CHANGELOG, add notes for 4.x (#124)

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CHANGELOG.md Normal file
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# [4.0.0](https://github.com/mastodon/chart/compare/920cf37..ae892d5)
- adds support for multiple Sidekiq deployments to be configured to manage
different sets of queues.
- smtp: replaces `enable_starttls_auto` boolean with `enable_starttls` setting
that defaults to `auto`.
- adds support for statsd publishing:
```
mastodon:
metrics:
statsd:
address:
```
- allows disabling the included redis deployment in order to use an existing external redis server:
```
redis:
enabled: false
```
- adds support for [authorized
fetch](https://docs.joinmastodon.org/admin/config/#authorized_fetch):
```
mastodon:
authorizedFetch: true
```
- removed the `HorizontalPodAutoscaler` and the global autoscaling configuration.
A number of other configuration options have been added, see [values.yaml](./values.yaml).
# 3.0.0
skipped
# 2.1.0
## ingressClassName and tls-acme changes
The annotations previously defaulting to nginx have been removed and support
for ingressClassName has been added.
```yaml
ingress:
annotations:
kubernetes.io/ingress.class: nginx
kubernetes.io/tls-acme: "true"
```
To restore the old functionality simply add the above snippet to your `values.yaml`,
but the recommendation is to replace these with `ingress.ingressClassName` and use
cert-manager's issuer/cluster-issuer instead of tls-acme.
If you're uncertain about your current setup leave `ingressClassName` empty and add
`kubernetes.io/tls-acme` to `ingress.annotations` in your `values.yaml`.
# 2.0.0
## Fixed labels
Because of the changes in [#19706](https://github.com/mastodon/mastodon/pull/19706) the upgrade may fail with the following error:
```Error: UPGRADE FAILED: cannot patch "mastodon-sidekiq"```
If you want an easy upgrade and you're comfortable with some downtime then
simply delete the -sidekiq, -web, and -streaming Deployments manually.
If you require a no-downtime upgrade then:
1. run `helm template` instead of `helm upgrade`
2. Copy the new -web and -streaming services into `services.yml`
3. Copy the new -web and -streaming deployments into `deployments.yml`
4. Append -temp to the name of each deployment in `deployments.yml`
5. `kubectl apply -f deployments.yml` then wait until all pods are ready
6. `kubectl apply -f services.yml`
7. Delete the old -sidekiq, -web, and -streaming deployments manually
8. `helm upgrade` like normal
9. `kubectl delete -f deployments.yml` to clear out the temporary deployments
## PostgreSQL passwords
If you've previously installed the chart and you're having problems with
postgres not accepting your password then make sure to set `username` to
`postgres` and `password` and `postgresPassword` to the same passwords.
```yaml
postgresql:
auth:
username: postgres
password: <same password>
postgresPassword: <same password>
```
And make sure to set `password` to the same value as `postgres-password`
in your `mastodon-postgresql` secret:
```kubectl edit secret mastodon-postgresql```

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README.md
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@ -64,57 +64,3 @@ Sidekiq deployments, it’s possible they will occur in the wrong order. After
upgrading Mastodon versions, it may sometimes be necessary to manually delete
the Rails and Sidekiq pods so that they are recreated against the latest
migration.
# Upgrades in 2.1.0
## ingressClassName and tls-acme changes
The annotations previously defaulting to nginx have been removed and support
for ingressClassName has been added.
```yaml
ingress:
annotations:
kubernetes.io/ingress.class: nginx
kubernetes.io/tls-acme: "true"
```
To restore the old functionality simply add the above snippet to your `values.yaml`,
but the recommendation is to replace these with `ingress.ingressClassName` and use
cert-manager's issuer/cluster-issuer instead of tls-acme.
If you're uncertain about your current setup leave `ingressClassName` empty and add
`kubernetes.io/tls-acme` to `ingress.annotations` in your `values.yaml`.
# Upgrades in 2.0.0
## Fixed labels
Because of the changes in [#19706](https://github.com/mastodon/mastodon/pull/19706) the upgrade may fail with the following error:
```Error: UPGRADE FAILED: cannot patch "mastodon-sidekiq"```
If you want an easy upgrade and you're comfortable with some downtime then
simply delete the -sidekiq, -web, and -streaming Deployments manually.
If you require a no-downtime upgrade then:
1. run `helm template` instead of `helm upgrade`
2. Copy the new -web and -streaming services into `services.yml`
3. Copy the new -web and -streaming deployments into `deployments.yml`
4. Append -temp to the name of each deployment in `deployments.yml`
5. `kubectl apply -f deployments.yml` then wait until all pods are ready
6. `kubectl apply -f services.yml`
7. Delete the old -sidekiq, -web, and -streaming deployments manually
8. `helm upgrade` like normal
9. `kubectl delete -f deployments.yml` to clear out the temporary deployments
## PostgreSQL passwords
If you've previously installed the chart and you're having problems with
postgres not accepting your password then make sure to set `username` to
`postgres` and `password` and `postgresPassword` to the same passwords.
```yaml
postgresql:
auth:
username: postgres
password: <same password>
postgresPassword: <same password>
```
And make sure to set `password` to the same value as `postgres-password`
in your `mastodon-postgresql` secret:
```kubectl edit secret mastodon-postgresql```