BackupTasks.yml

---
version: "3"

tasks:

  volume:
    desc: Create a job to backup an app (ex. task PVC=plex-config-v1 backup:volume)
    interactive: true
    cmds:
      - |
        kubectl -n {{.NAMESPACE}} create job --from=cronjob/{{.APP}}-backup {{.APP}}-backup-{{.TS}} --dry-run=client --output yaml \
          | yq eval "del(.spec.template.spec.initContainers)" - \
          | kubectl apply -f -
      - kubectl -n {{.NAMESPACE}} wait pod --for condition=ready --selector=job-name={{.APP}}-backup-{{.TS}} --timeout=1m
      - kubectl -n {{.NAMESPACE}} logs --selector=job-name={{.APP}}-backup-{{.TS}} -f
      - kubectl -n {{.NAMESPACE}} delete job {{.APP}}-backup-{{.TS}}
    vars:
      NAMESPACE:
        sh: kubectl get pvc -A | grep {{.PVC}} | awk '{print $1}'
      APP:
        sh: kubectl -n {{.NAMESPACE}} get pvc {{.PVC}} -o jsonpath='{.metadata.labels.app\.kubernetes\.io\/name}'
      TS:
        sh: date "+%Y%m%d%H%M%S"
    preconditions:
      - sh: kubectl -n {{.NAMESPACE}} get cronjob {{.APP}}-backup
        msg: "Error: cronjob/{{.APP}}-backup in namespace/{{.NAMESPACE}} not found"
      - sh: kubectl -n {{.NAMESPACE}} get pvc {{.PVC}}
        msg: "Error: pvc/{{.PVC}} in namespace/{{.NAMESPACE}} not found"