devops-research/.github/workflows/flagger_e2e.yaml at 0a1303d63f9e2d45b79d034730b9347666765747 · NightProgrammers/devops-research · GitHub

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# verify with local kind k8s cluster.
name: Flagger E2E Test

on:
  workflow_dispatch:
  pull_request:
    branches: [main]
    paths:
      - "flagger/**"
      - ".github/workflows/flagger*"

jobs:
  kubernetes:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: true
      matrix:
        cluster: [prod]
    steps:
      - name: Checkout
        uses: actions/checkout@v5
      - name: Setup Flux
        uses: fluxcd/flux2/action@main
      - name: Setup Kubernetes
        uses: engineerd/setup-kind@v0.5.0
        with:
          # renovate: datasource=go depName=sigs.k8s.io/kind
          version: v0.11.1
      - name: Install Flux in Kubernetes Kind
        run: |
           flux check --pre
           flux install
      - name: Setup cluster reconciliation
        run: |
          kubectl apply -f - <<EOF > cat
          apiVersion: source.toolkit.fluxcd.io/v1beta2
          kind: GitRepository
          metadata:
            name: flux-system
            namespace: flux-system
          spec:
            interval: 15m
            ref:
              branch: ${GITHUB_HEAD_REF}
            url: ${{ github.event.repository.html_url }}
            ignore: /flagger/clusters/${{ matrix.cluster }}/flux-system/
          EOF

          flux create kustomization flux-system \
            --source=flux-system \
            --path=./flagger/clusters/${{ matrix.cluster }}

      - name: Verify cluster reconciliations
        timeout-minutes: 5
        run: |
          while flux get all --all-namespaces --status-selector=ready=false | grep False
          do
            sleep 5
          done

          kubectl -n apps wait canary/frontend --for=condition=promoted --timeout=1m
          kubectl -n apps rollout status deployment/frontend --timeout=1m
          kubectl -n apps wait canary/backend --for=condition=promoted --timeout=1m
          kubectl -n apps rollout status deployment/backend --timeout=1m
      - name: Test canary release
        run: |
          kubectl -n apps set image deployment/backend backend=stefanprodan/podinfo:5.0.1
          echo '>>> Waiting for canary finalization'
          retries=25
          count=0
          ok=false
          until ${ok}; do
              kubectl -n apps get canary/backend | grep 'Succeeded' && ok=true || ok=false
              sleep 20
              kubectl -n istio-system logs deployment/flagger --tail 1
              count=$(($count + 1))
              if [[ ${count} -eq ${retries} ]]; then
                  echo "No more retries left"
                  exit 1
              fi
          done
      - name: Debug failure
        if: failure()
        run: |
          kubectl -n flux-system get all
          kubectl -n flux-system logs deploy/source-controller
          kubectl -n flux-system logs deploy/kustomize-controller
          kubectl -n flux-system logs deploy/helm-controller
          kubectl -n istio-system logs deployment/flagger
          kubectl -n istio-operator get all
          kubectl -n istio-system get all
          flux get all --all-namespaces