ArgoCD Workflow

eventbus.yaml

apiVersion: argoproj.io/v1alpha1
kind: EventBus
metadata:
  name: default
  namespace: optimus
spec:
  nats:
    native:
      # Optional, defaults to 3. If it is < 3, set it to 3, that is the minimal requirement.
      replicas: 3
      # Optional, authen strategy, "none" or "token", defaults to "none"
      auth: none

eventsource.yaml

apiVersion: argoproj.io/v1alpha1
kind: EventSource
metadata:
  name: argo-workflow-webhook
  namespace: optimus
spec:
  service:
    ports:
      - port: 12000
        targetPort: 12000
  webhook:
    gitlab-hook:
      endpoint: /push
      port: "12000"
      method: POST

sensor.yaml

---
apiVersion: argoproj.io/v1alpha1
kind: Sensor
metadata:
  name: argo-workflow-sensor
  namespace: optimus
spec:
  template:
    serviceAccountName: operator-argo-event
  dependencies:
  - name: trigger-sensor
    eventSourceName: argo-workflow-webhook
    eventName: gitlab-hook
  triggers:
  - template:
    name: gitlab-webhook-trigger
    k8s:
      group: argoproj.io
      version: argoproj.io/v1alpha1
      resources: workflows
      operation: create
      source:
        resources:
          apiVersion: argoproj.io/v1alpha1
          kind: Workflow
          metadata:
            generateName: gitlab-webhook-
          spec:
            entrypoint: main
            templates:
            - name: main
              container:
                image: alpine:latest
                command: ["sh", "-c"]
                args:
                  - echo "hello"

template.yaml

# argo template create template.yaml
apiVersion: argoproj.io/v1alpha1
kind: WorkflowTemplate
metadata:
  name: main-template
spec:
  entrypoint: main
  ttlStrategy:
    secondsAfterCompletion: 300
  podGC:
    strategy: OnPodCompletion
  templates:
    - name: main
      inputs:
        parameters:
        - name: message
      container:
        image: alpine:latest
        command: ["sh", "-c"]
        args: ["{{inputs.parameters.message}}"]
    - name: golang
      inputs:
        parameters:
        - name: step
      container:
        image: golang:1.16-alpine
        command: [sh, -c]
        args: ["{{inputs.parameters.step}}"]

workflow-basic.yaml

# argo submit workflow-basic.yaml
apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: one-share-workflow
spec:
  entrypoint: prepare
  templates:
  - name: prepare
    script:
      image: alpine:latest
      command: ["sh", "-c"]
      args:
        - echo "hello"
        - sleep 140
  - name: build
    script: 
      image: alpine:latest
      command:
        - sh -c
      args:
        - echo "hello build"
        - sleep 140

workflow-step.yaml

# argo submit workflow-basic.yaml
apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: steps-
spec:
  entrypoint: main
  templates:
    - name: main
      steps:
      - - name: prepare
          template: plate
          arguments:
            parameters:
              - name: message
                value: |
                  echo "Prepare for deployment"
                  sleep 140
                  echo "Finished preparation"

      - - name: build
          template: plate
          arguments:
            parameters:
              - name: message
                value: echo "Build"
        - name: build-parallel
          template: plate
          arguments:
            parameters:
              - name: message
                value: |
                  echo "Parele build"
                  sleep 10
                  echo "done" 

      - - name: release
          template: plate
          arguments:
            parameters:
              - name: message
                value: echo "Release"
      - - name: result
          template: plate
          arguments:
            parameters:
              - name: message
                value: echo "Result"
            
    - name: plate
      inputs:
        parameters:
        - name: message
      container:
        image: alpine:latest
        command: ["sh", "-c"]
        args: ["{{inputs.parameters.message}}"]

workflow-using-template.yaml

apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: steps-
spec:
  entrypoint: oneshare-flow
  templates:
    - name: oneshare-flow
      steps:
      - - name: prepare
          templateRef:
            name: main-template
            template: main
          arguments:
            parameters:
              - name: message
                value: |
                  echo "Prepare for deployment"
                  sleep 140
                  echo "Finished preparation"

      - - name: build
          templateRef:
            name: main-template
            template: main
          arguments:
            parameters:
              - name: message
                value: echo "Build"
        - name: build-parallel
          templateRef:
            name: main-template
            template: main
          arguments:
            parameters:
              - name: message
                value: |
                  echo "Parele build"
                  sleep 10
                  echo "done" 
        - name: build-golang
          templateRef:
            name: main-template
            template: golang
          arguments:
            parameters:
              - name: step
                value: |
                  go get github.com/labstack/echo/v4

      - - name: release
          templateRef:
            name: main-template
            template: main
          arguments:
            parameters:
              - name: message
                value: echo "Release"
      - - name: result
          templateRef:
            name: main-template
            template: main
          arguments:
            parameters:
              - name: message
                value: echo "Result"