deployment_workflow.yaml

apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: "synthetic-deployment-"
  namespace: kube-system
spec:
  entrypoint: synthetic-example
  onExit: exit-handler
  templates:
  - name: synthetic-example
    steps:
    - - name: create-deployment
        template: create-deployment
    - - name: sleep
        template: sleep-n-sec
    - - name: check-deployment
        template: check-deployment
    - - name: delete-deployment
        template: delete-deployment

  - name: exit-handler
    steps:
    - - name: cleanup
        template: cleanup-workflow
        when: "{{workflow.status}} == Failed"

  - name: create-deployment
    script:
      image: lachlanevenson/k8s-kubectl
      command: [sh]
      source: |
        kubectl run operator-nginx --image=nginx:latest --replicas=2 --port=80 -n monitoring

  - name: sleep-n-sec
    container:
      image: alpine:latest
      command: [sh, -c]
      args: ["echo sleeping for 40 seconds; sleep 40; echo done"]

  - name: check-deployment
    script:
      image: lachlanevenson/k8s-kubectl
      command: [sh]
      source: |
        kubectl get po -n monitoring | grep operator-nginx | grep Running
  
  - name: delete-deployment
    script:
      image: lachlanevenson/k8s-kubectl
      command: [sh]
      source: |
          kubectl delete deploy operator-nginx -n monitoring; [[ $? == 0 ]] && echo "Workflow ran successfully"

  - name: cleanup-workflow
    script:
      image: lachlanevenson/k8s-kubectl
      command: [sh]
      source: |
        kubectl delete deploy operator-nginx -n monitoring; [[ $? == 0 ]] && echo  "Workflow failed and completed cleanup"