feat(pdb): Add support for 'PodDisruptionBudget'

Author: Kucin, Martin

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.5.27
+
+[FEATURE] Add support for `PodDisruptionBudget` [#727](https://github.com/WeblateOrg/helm/pull/727)
+
 ## 0.5.26
 
 [FEATURE] Configurable service.publishNotReadyAddresses [#674](https://github.com/WeblateOrg/helm/pull/674)

charts/weblate/Chart.yaml

@@ -4,7 +4,7 @@ appVersion: 5.15.1.3
 description: Weblate is a free web-based translation management system.
 name: weblate
 type: application
-version: 0.5.26
+version: 0.5.27
 home: https://weblate.org/
 icon: https://s.weblate.org/cdn/weblate.svg
 maintainers:

charts/weblate/README.md

@@ -75,6 +75,7 @@ $ helm install my-release weblate/weblate
 | livenessProbe.timeoutSeconds | int | `5` |  |
 | nameOverride | string | `""` |  |
 | nodeSelector | object | `{}` |  |
+| pdb.create | bool | `false` |  |
 | persistence.accessMode | string | `"ReadWriteOnce"` |  |
 | persistence.enabled | bool | `true` |  |
 | persistence.existingClaim | string | `""` | Use an existing volume claim |

charts/weblate/templates/pdb.yaml

@@ -0,0 +1,23 @@
+{{- if .Values.pdb.create }}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "weblate.fullname" . }}-pdb
+  namespace: {{ .Release.Namespace }}
+  labels:
+{{ include "weblate.labels" . | indent 4 }}
+spec:
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "weblate.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+      {{- with .Values.podLabels }}
+      {{- toYaml . | nindent 8 }}
+      {{- end }}
+  {{- if .Values.pdb.minAvailable }}
+  minAvailable: {{ .Values.pdb.minAvailable }}
+  {{- end }}
+  {{- if or .Values.pdb.maxUnavailable ( not .Values.pdb.minAvailable ) }}
+  maxUnavailable: {{ .Values.pdb.maxUnavailable | default 1 }}
+  {{- end }}
+{{- end }}

charts/weblate/values.yaml

@@ -196,6 +196,14 @@ readinessProbe:
   failureThreshold: 2
   successThreshold: 1
 
+## Create Pod disruption budget
+pdb:
+  create: false
+## Minimum available instances
+#  minAvailable: ""
+## Maximum unavailable instances
+#  maxUnavailable: ""
+
 postgresql:
   global:
     security: