kubernetes/common/mariadb-galera/templates/job.yaml

apiVersion: batch/v1
kind: Job
metadata:
  name: {{ include "common.fullname" . }}-pre-upgrade
  annotations:
    "helm.sh/hook": "pre-upgrade"
    "helm.sh/hook-weight": "1"
    "helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
spec:
  template:
    spec:
      securityContext:
        fsGroup: 1001
        runAsUser: 1001
      containers:
      - name: mariadb-job-pre-upgrade
        image: {{ .Values.global.kubectlImage}}
        imagePullPolicy: IfNotPresent
        env:
          - name: NAMESPACE_ENV
            valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: metadata.namespace
        command: ["/bin/bash", "-c", "--"]
        args: ["/upgrade/upgrade-scripts.sh"]
        volumeMounts:
        - name: config-mariadb-upgrade
          mountPath: /upgrade
      volumes:
      - name: config-mariadb-upgrade
        configMap:
            name: {{ include "common.fullname" . }}-upgrade-deployment
            defaultMode: 0777
      restartPolicy: OnFailure
---
apiVersion: batch/v1
kind: Job
metadata:
  name: {{ include "common.fullname" . }}-post-upgrade
  annotations:
    "helm.sh/hook": "post-upgrade"
    "helm.sh/hook-weight": "1"
    "helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
spec:
  template:
    spec:
      securityContext:
        fsGroup: 1001
        runAsUser: 0
      initContainers:
      - image: "{{ include "common.repository" . }}/{{ .Values.global.readinessImage }}"
        name: mariadb-galera-upgrade-readiness
        env:
        - name: NAMESPACE
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: metadata.namespace
        command:
        - /app/ready.py
        args:
        - --container-name
        - mariadb-galera
      containers:
      - name: mariadb-job-post-upgrade
        image: {{ .Values.global.kubectlImage}}
        imagePullPolicy: IfNotPresent
        env:
        - name: NAMESPACE_ENV
          valueFrom:
              fieldRef:
                apiVersion: v1
                fieldPath: metadata.namespace
        - name: REPLICA_COUNT
          value: "{{ .Values.replicaCount }}"
        command: ["/bin/bash", "-c", "--"]
        args: ["/upgrade/post-upgrade-script.sh"]
        volumeMounts:
        - name: config-mariadb-upgrade
          mountPath: /upgrade
      volumes:
      - name: config-mariadb-upgrade
        configMap:
            name: {{ include "common.fullname" . }}-post-upgrade-deployment
            defaultMode: 0777
      restartPolicy: OnFailure
---
apiVersion: batch/v1
kind: Job
metadata:
  name: {{ include "common.fullname" . }}-post-delete
  annotations:
    "helm.sh/hook": "post-delete"
    "helm.sh/hook-weight": "1"
    "helm.sh/hook-delete-policy": before-hook-creation,hook-succeeded
spec:
  template:
    spec:
      containers:
      - name: mariadb-job-post-delete
        image: {{ .Values.global.kubectlImage}}
        imagePullPolicy: IfNotPresent
        command: ["/bin/bash", "-c", "--"]
        args:
        - for ((index=0;index<{{ $.Values.replicaCount }};index+=1));
          do kubectl delete pvc "{{ include "common.fullname" . }}-data-{{ include "common.fullname" . }}-$index";
          done; kubectl delete deployment {{ include "common.fullname" . }}-upgrade-deployment;
      restartPolicy: OnFailure