ci-core.yml

name: Helm Chart CI (Core)
on:
  # Trigger the workflow on push or pull request,
  # but only for the main branch
  push:
    branches:
      - main
    paths:
      - '.github/workflows/ci-core.yml'
      - 'keda/**'
  pull_request:
    branches:
      - main
      - release/*
    paths:
      - '.github/workflows/ci-core.yml'
      - 'keda/**'

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 'KEDA' Helm chart
      run: helm lint keda

  deploy-helm-3-x:
    name: Deploy to Kubernetes ${{ matrix.kubernetesVersion }} in '${{matrix.namespace}}' namespace (${{ (matrix.enableAzureWorkloadIdentity == true && 'With Azure Workload Identity') || 'Without Azure Workload Identity' }} | ${{ (matrix.enableCertManager == true && 'With cert-manager') || 'Without cert-manager' }})
    needs: lint-helm-3-x
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        enableAzureWorkloadIdentity: [false, true]
        kubernetesVersion: [v1.28, v1.27, v1.26, v1.23]
        namespace: ["keda", "not-keda"]
        enableCertManager: [false, true]
        include:
          # Azure Workload Identity
        - enableAzureWorkloadIdentity: true
          tenantId: contoso
          clientId: ABC
        - enableAzureWorkloadIdentity: false
          tenantId: ""
          clientId: ""
          # Images are defined on every Kind release
          # See https://github.com/kubernetes-sigs/kind/releases
        - 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
        - kubernetesVersion: v1.23
          kindImage: kindest/node:v1.23.17@sha256:59c989ff8a517a93127d4a536e7014d28e235fb3529d9fba91b3951d461edfdb
    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: Generate values
      run: |
        cat <<EOF > test-values.yaml
        image:
          keda:
            tag: main
          metricsApiServer:
            tag: main
          webhooks:
            tag: main
        podIdentity:
          azureWorkload:
            enabled: ${{ matrix.enableAzureWorkloadIdentity }}
            tenantId: ${{ matrix.tenantId }}
            clientId: ${{ matrix.clientId }}
        podDisruptionBudget:
          operator:
            maxUnavailable: 1
          metricServer:
            maxUnavailable: 1
          webhooks:
            maxUnavailable: 1
        prometheus:
          operator:
            enabled: true
            podMonitor:
              enabled: true
            serviceMonitor:
              enabled: true
              relabelings:
              - regex: (go_.*)
                action: drop
          webhooks:
            enabled: true
            serviceMonitor:
              enabled: true
              relabelings:
              - regex: (go_.*)
                action: drop
          metricServer:
            enabled: true
            serviceMonitor:
              enabled: true
              relabelings:
              - regex: (go_.*)
                action: drop
        webhooks:
          failurePolicy: Fail
        certificates:
          autoGenerated: true
          certManager:
            enabled: ${{ matrix.enableCertManager }}
            generateCA: true
        extraObjects:
          - apiVersion: keda.sh/v1alpha1
            kind: ClusterTriggerAuthentication
            metadata:
              name: aws-credentials
              namespace: keda
              annotations:
                helm.sh/hook: post-install
            spec:
              podIdentity:
                provider: aws-eks
        additionalAnnotations:
          sample: "annotation"
        service:
          additionalAnnotations:
            hello: "cloud-native world"
        EOF

    - name: Install deps
      run: |
        helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
        helm repo add jetstack https://charts.jetstack.io
        helm repo update
        helm install prometheus-stack prometheus-community/kube-prometheus-stack --namespace monitoring --create-namespace --wait
        helm install cert-manager jetstack/cert-manager --namespace cert-manager --create-namespace --set installCRDs=true

    - name: Create KEDA's namespace (${{ matrix.namespace }})
      run: kubectl create ns ${{ matrix.namespace }}

    - name: Template Helm chart
      run: helm template keda ./keda/ --namespace ${{ matrix.namespace }} --values test-values.yaml

    - name: Install Helm chart
      run: helm install keda ./keda/ --namespace ${{ matrix.namespace }} --values test-values.yaml --wait

    - name: Show Kubernetes resources (KEDA)
      run: kubectl get all --namespace ${{ matrix.namespace }}
      if: always()

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

    - name: Get all CRDs
      run: kubectl get crds -o wide

    - name: Verify clustertriggerauthentications.keda.sh CRD is installed
      run: kubectl get crd/clustertriggerauthentications.keda.sh -o wide

    - name: Verify triggerauthentications.keda.sh CRD is installed
      run: kubectl get crd/triggerauthentications.keda.sh -o wide

    - name: Verify scaledjobs.keda.sh CRD is installed
      run: kubectl get crd/scaledjobs.keda.sh -o wide

    - name: Verify scaledobjects.keda.sh CRD is installed
      run: kubectl get crd/scaledobjects.keda.sh -o wide
    
    - name: Verify cloudeventsources.eventing.keda.sh CRD is installed
      run: kubectl get crd/cloudeventsources.eventing.keda.sh -o wide

    - name: Get all ScaledObjects
      run: kubectl get scaledobjects -o wide

    - name: Get all ScaledJobs
      run: kubectl get scaledjobs -o wide

    - name: Get all TriggerAuthentication
      run: kubectl get triggerauth -o wide

    - name: Get all ClusterTriggerAuthentication
      run: kubectl get clustertriggerauth -o wide

    - name: Get all CloudEventSource
      run: kubectl get cloudeventsource -o wide

    - name: Deploy Nginx with autoscaling
      run: kubectl apply -f ./samples/nginx-scaledobject.yml

    - name: Get our Nginx ScaledObject
      run: kubectl get scaledobjects/nginx-autoscaling -o wide
      if: always()