Refactor chart sidekiq queues (#1)

Co-authored-by: Effy Elden <effy@effy.space>
Co-authored-by: Sheogorath <sheogorath@shivering-isles.com>
Co-authored-by: Chris Funderburg <chris@funderburg.me>

Author: 4 people

.github/workflows/test-chart.yml

@@ -5,26 +5,16 @@ name: Test chart
 
 on:
   pull_request:
-    paths:
-      - "chart/**"
-      - "!**.md"
-      - ".github/workflows/test-chart.yml"
+    paths-ignore:
+      - "README.md"
   push:
-    paths:
-      - "chart/**"
-      - "!**.md"
-      - ".github/workflows/test-chart.yml"
     branches-ignore:
       - "dependabot/**"
   workflow_dispatch:
 
 permissions:
   contents: read
 
-defaults:
-  run:
-    working-directory: chart
-
 jobs:
   lint-templates:
     runs-on: ubuntu-22.04

Chart.yaml

@@ -15,12 +15,12 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 2.3.0
+version: 4.0.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
-appVersion: v3.5.3
+appVersion: v4.0.2
 
 dependencies:
   - name: elasticsearch

README.md

@@ -19,6 +19,23 @@ The variables that _must_ be configured are:
 
 - SMTP settings for your mailer in the `mastodon.smtp` group.
 
+If your PersistentVolumeClaim is `ReadWriteOnce` and you're unable to use a S3-compatible service or
+run a self-hosted compatible service like [Minio](https://min.io/docs/minio/kubernetes/upstream/index.html)
+then you need to set the pod affinity so the web and sidekiq pods are scheduled to the same node.
+
+Example configuration:
+```yaml
+podAffinity:
+  requiredDuringSchedulingIgnoredDuringExecution:
+    - labelSelector:
+        matchExpressions:
+          - key: app.kubernetes.io/part-of
+            operator: In
+            values:
+              - rails
+      topologyKey: kubernetes.io/hostname
+```
+
 # Administration
 
 You can run [admin CLI](https://docs.joinmastodon.org/admin/tootctl/) commands in the web deployment.

templates/_helpers.tpl

@@ -136,3 +136,15 @@ Return true if a mastodon secret object should be created
     {{- true -}}
 {{- end -}}
 {{- end -}}
+
+{{/*
+Find highest number of needed database connections to set DB_POOL variable
+*/}}
+{{- define "mastodon.maxDbPool" -}}
+{{/* Default MAX_THREADS for Puma is 5 */}}
+{{- $poolSize := 5 }}
+{{- range .Values.mastodon.sidekiq.workers }}
+{{- $poolSize = max $poolSize .concurrency }}
+{{- end }}
+{{- $poolSize | quote }}
+{{- end }}