GitHub commit statuses from Argo Workflow

github-notify-template.yaml

---
apiVersion: argoproj.io/v1alpha1
kind: WorkflowTemplate
metadata:
  name: github-notify-template
spec:
  arguments:
    parameters:
      - name: repository_full_name
      - name: commit_sha
      - name: secret_name

  templates:
  - name: notify
    inputs:
      parameters:
        - name: repository_full_name
        - name: commit_sha
        - name: secret_name

    volumes:
      - name: github-secret
        secret:
          secretName: "{{inputs.parameters.secret_name}}"

    container:
      image: "ghcr.io/supportpal/github-gh-cli"
      command: [sh, -e, -c]
      volumeMounts:
        - name: github-secret
          mountPath: /secret/github
      args:
        - >-
          case "{{workflow.status}}" in
            "Running")
            state=pending
            ;;
            "Succeeded")
            state=success
            ;;
            "Failed")
            state=failure
            ;;
            *)
            state=error
            ;;
          esac;

          gh auth login --with-token < /secret/github/pat;
          gh api --method POST
          /repos/{{inputs.parameters.repository_full_name}}/statuses/{{inputs.parameters.commit_sha}}
          -f "state=$state"
          -f "description=CI: {{workflow.status}}"
          -f "target_url=https://argo-workflows.example.org/workflows/{{workflow.namespace}}/{{workflow.name}}"
          -f "context=ci"