kubectl-cronjob-restarter.yaml

gistfile1.txt

---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: restarter-job
  namespace: podinfo

---
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: restarter-job
  namespace: podinfo
rules:
- apiGroups:
  - apps
  resources:
  - deployments
  verbs: ["get", "patch"]

---
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: restarter-job
  namespace: podinfo
subjects:
- kind: ServiceAccount
  name: restarter-job
  namespace: podinfo
roleRef:
  kind: Role
  name: restarter-job
  apiGroup: ""

---
apiVersion: batch/v1
kind: CronJob
metadata:
  name: restarter
spec:
  schedule: '0 2 * * *'
  jobTemplate:
    metadata:
      name: restarter
    spec:
      template:
        spec:
          restartPolicy: OnFailure
          serviceAccountName: restarter-job
          containers:
            - name: kubectl
              image: bitnami/kubectl:1.24.1
              command:
                - /bin/sh
                - -c
                - kubectl rollout restart deployment podinfo