ci-http-add-on.yml

name: Helm Chart CI (HTTP add-on)
on:
  # Trigger the workflow on push or pull request,
  # but only for the main branch
  push:
    branches:
      - main
    paths:
      - ".github/workflows/ci-http-add-on.yml"
      - "http-add-on/**"
  pull_request:
    branches:
      - main
    paths:
      - ".github/workflows/ci-http-add-on.yml"
      - "http-add-on/**"

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  lint-helm-3-x:
    name: Lint Helm Chart
    runs-on: ubuntu-latest
    steps:
      - name: Check out code
        uses: actions/checkout@v2

      - name: Helm install
        uses: Azure/setup-helm@v3

      - name: Lint 'http-add-on' Helm chart
        run: helm lint http-add-on

  deploy-helm-3-x:
    name: Deploy to Kubernetes ${{ matrix.kubernetesVersion }}
    needs: lint-helm-3-x
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        kubernetesVersion: [v1.29, v1.28, v1.27, v1.26]
        include:
          - kubernetesVersion: v1.29
            kindImage: kindest/node:v1.29.0@sha256:eaa1450915475849a73a9227b8f201df25e55e268e5d619312131292e324d570
          - kubernetesVersion: v1.28
            kindImage: kindest/node:v1.28.0@sha256:b7a4cad12c197af3ba43202d3efe03246b3f0793f162afb40a33c923952d5b31
          - kubernetesVersion: v1.27
            kindImage: kindest/node:v1.27.3@sha256:3966ac761ae0136263ffdb6cfd4db23ef8a83cba8a463690e98317add2c9ba72
          - kubernetesVersion: v1.26
            kindImage: kindest/node:v1.26.6@sha256:6e2d8b28a5b601defe327b98bd1c2d1930b49e5d8c512e1895099e4504007adb
    steps:
      - name: Check out code
        uses: actions/checkout@v2

      - name: Helm install
        uses: Azure/setup-helm@v3

      - name: Create k8s ${{ matrix.kubernetesVersion }} Kind Cluster
        uses: helm/kind-action@main
        with:
          node_image: ${{ matrix.kindImage }}

      - name: Show Kubernetes version
        run: |
          kubectl version

      - name: Show Kubernetes nodes
        run: |
          kubectl get nodes -o wide

      - name: Show Helm version
        run: |
          helm version

      - name: Create KEDA namespace
        run: kubectl create ns keda

      - name: Generate values
        run: |
          cat <<EOF > keda-values.yaml
          image:
            keda:
              tag: main
            metricsApiServer:
              tag: main
            webhooks:
              tag: main

      - name: Install KEDA chart
        run: helm install keda ./keda/ --namespace keda --values keda-values.yaml

      - name: Generate values
        run: |
          cat <<EOF > test-values.yaml
          additionalLabels:
            random: value
          images:
            tag: canary
          rbac:
            aggregateToDefaultRoles: true
          interceptor:
            replicas:
              min: 1
          EOF

      - name: Template Helm chart
        run: helm template http-add-on ./http-add-on/ --namespace keda --values test-values.yaml

      - name: Install Helm chart
        run: helm install http-add-on ./http-add-on/ --namespace keda --values test-values.yaml --wait

      - name: Show Kubernetes resources
        run: kubectl get all --namespace keda
        if: always()

      - name: Get all HTTPScaledObjects
        run: kubectl get httpscaledobjects

      - name: Get all CRDs
        run: kubectl get crds

      - name: Get HTTPScaledObject CRD
        run: kubectl get crds/httpscaledobjects.http.keda.sh

      - name: Describe HTTPScaledObject CRD
        run: kubectl describe crds/httpscaledobjects.http.keda.sh

      - name: Validate Interceptor ScaledObject
        run: |
          for N in {1..3}
          do
            READY=$(kubectl get so/keda-add-ons-http-interceptor -n keda -o jsonpath='{.status.conditions[?(@.type=="Ready")].status}')
            echo "ScaledObjet is ready: $READY"
            if [[ "$READY" == "True" ]]; then            
              exit 0
            fi
            sleep 15s
          done
          exit 1