ci-agent-resource-discovery.yml

name: Helm Chart CI - Resource Discovery Agent

on:
  workflow_dispatch:
  push:
    branches:
      - 'main'
  pull_request:
    paths:
    - '.github/workflows/ci-agent-resource-discovery.yml'
    - 'promitor-agent-resource-discovery/**'

jobs:
  lint-helm-3-x:
    name: Lint Helm Chart
    runs-on: ubuntu-latest
    steps:
    - name: Check out code
      uses: actions/checkout@v3

    - name: Helm install
      uses: Azure/setup-helm@v4

    - name: Lint Promitor Resource Discovery Helm chart
      run: helm lint promitor-agent-resource-discovery --values examples/promitor-agent-resource-discovery.config.yaml

  deploy-helm-3-x:
    name: Deploy to Kubernetes ${{ matrix.kubernetesVersion }} (Kind)
    needs: [lint-helm-3-x]
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        kubernetesVersion: [v1.27, v1.26, v1.25, v1.24]
        include:
          # Images are defined on every Kind release
          # See https://github.com/kubernetes-sigs/kind/releases
        - kubernetesVersion: v1.27
          kindImage: kindest/node:v1.27.3@sha256:3966ac761ae0136263ffdb6cfd4db23ef8a83cba8a463690e98317add2c9ba72
        - kubernetesVersion: v1.26
          kindImage: kindest/node:v1.26.6@sha256:6e2d8b28a5b601defe327b98bd1c2d1930b49e5d8c512e1895099e4504007adb
        - kubernetesVersion: v1.25
          kindImage: kindest/node:v1.25.11@sha256:227fa11ce74ea76a0474eeefb84cb75d8dad1b08638371ecf0e86259b35be0c8
        - kubernetesVersion: v1.24
          kindImage: kindest/node:v1.24.15@sha256:7db4f8bea3e14b82d12e044e25e34bd53754b7f2b0e9d56df21774e6f66a70ab
    env:
      kubernetes_namespace: promitor
    steps:
    - name: Check out code
      uses: actions/checkout@v3

    - name: Helm install
      uses: Azure/setup-helm@v4

    - name: Create k8s ${{ matrix.kubernetesVersion }} Kind Cluster
      uses: helm/kind-action@v1.8.0
      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 Promitor namespace
      run: kubectl create ns ${{ env.kubernetes_namespace }}

    - name: Change Kubernetes context to use Promitor namespace
      run: kubectl config set-context --current --namespace=${{ env.kubernetes_namespace }}

    - name: Template Helm chart
      run: helm template promitor-agent-resource-discovery ./promitor-agent-resource-discovery/ --values examples/promitor-agent-resource-discovery.config.yaml

    - name: Install Helm chart
      run: helm install promitor-agent-resource-discovery ./promitor-agent-resource-discovery/ --values examples/promitor-agent-resource-discovery.config.yaml --wait

    - name: Wait for Kubernetes workload to spin up
      run: sleep 30s
      shell: bash

    - name: Show installed Helm charts
      run: helm ls
      if: always()

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

    - name: Show Pod Logs
      run: |
        CONTAINER_RESTART_COUNT=$(kubectl get pod -l app.kubernetes.io/name=promitor-agent-resource-discovery -o=jsonpath='{.items[0].status.containerStatuses[0].restartCount}')
        kubectl logs -l app.kubernetes.io/name=promitor-agent-resource-discovery

        echo "Current container logs"
        kubectl logs -l app.kubernetes.io/name=promitor-agent-resource-discovery

        if [ "$CONTAINER_RESTART_COUNT" -gt 0 ]; then
          echo "Previous container logs"
          kubectl logs -l app.kubernetes.io/name=promitor-agent-resource-discovery --previous
        fi
      if: always()

    - name: Show Pod Info
      run: kubectl describe pod -l app.kubernetes.io/name=promitor-agent-resource-discovery
      if: always()

    - name: Verify Pod & Container Status is Running
      run: |
        POD_STATUS=$(kubectl get pod -l app.kubernetes.io/name=promitor-agent-resource-discovery -o=jsonpath='{.items[0].status.phase}')
        echo "Pod status is ${POD_STATUS}."

        CONTAINER_READY=$(kubectl get pod -l app.kubernetes.io/name=promitor-agent-resource-discovery -o=jsonpath='{.items[0].status.containerStatuses[0].ready}')
        echo "Is the container ready: ${CONTAINER_READY}."

        if [ "$POD_STATUS" = "Running" ]; then

          if $CONTAINER_READY; then
              exit 0
          else
              exit -1
          fi
        else
            exit -1
        fi
      if: always()