templates/cronjob-backup.yaml を追加

templates/cronjob-backup.yaml

@@ -0,0 +1,55 @@
+{{- if .Values.backup.enabled }}
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: {{ include "postgresql.fullname" . }}-backup
+  labels:
+    {{- include "postgresql.labels" . | nindent 4 }}
+    app.kubernetes.io/component: backup
+spec:
+  schedule: {{ .Values.backup.schedule | quote }}
+  successfulJobsHistoryLimit: 3
+  failedJobsHistoryLimit: 3
+  concurrencyPolicy: Forbid
+  jobTemplate:
+    spec:
+      template:
+        metadata:
+          labels:
+            {{- include "postgresql.selectorLabels" . | nindent 12 }}
+            app.kubernetes.io/component: backup
+        spec:
+          restartPolicy: OnFailure
+          containers:
+          - name: backup
+            image: "{{ .Values.image.registry }}/{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+            imagePullPolicy: {{ .Values.image.pullPolicy }}
+            command:
+            - /bin/bash
+            - /config/backup.sh
+            env:
+            - name: POSTGRES_USER
+              value: {{ .Values.postgres.user | quote }}
+            - name: PGPASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: {{ .Values.postgres.existingSecret | default (include "postgresql.fullname" .) }}
+                  key: {{ .Values.postgres.passwordKey }}
+            - name: PGHOST
+              value: {{ include "postgresql.fullname" . }}-primary
+            volumeMounts:
+            - name: backup
+              mountPath: /backup
+            - name: config
+              mountPath: /config
+            resources:
+              {{- toYaml .Values.backup.resources | nindent 14 }}
+          volumes:
+          - name: backup
+            persistentVolumeClaim:
+              claimName: {{ include "postgresql.fullname" . }}-backup
+          - name: config
+            configMap:
+              name: {{ include "postgresql.fullname" . }}-config
+              defaultMode: 0755
+{{- end }}