ci.yml

name: CI - Test prometheus-cvmfs-exporter

on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main, develop ]

jobs:
  test-debian-ubuntu:
    name: Test DEB Package on Ubuntu
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      
    - name: Setup CernVM-FS
      uses: cvmfs-contrib/github-action-cvmfs@v4
      with:
        cvmfs_repositories: 'sft.cern.ch,sw.hsf.org'
        cvmfs_http_proxy: 'DIRECT'
        
    - name: Verify CVMFS is working
      run: |
        echo "Testing CVMFS access..."
        ls -la /cvmfs/
        timeout 30 ls /cvmfs/sft.cern.ch/ || echo "CVMFS access test completed"
        
    - name: Install build dependencies
      run: |
        sudo apt-get update
        sudo apt-get install -y \
          build-essential \
          debhelper \
          devscripts \
          dpkg-dev \
          systemd \
          curl \
          attr \
          bc
          
    - name: Build DEB package
      run: |
        echo "Building DEB package..."
        make clean
        make deb
        
    - name: Verify DEB package contents
      run: |
        echo "Checking DEB package contents..."
        dpkg -c build/prometheus-cvmfs-exporter_*.deb
        dpkg -I build/prometheus-cvmfs-exporter_*.deb
        
    - name: Install DEB package
      run: |
        echo "Installing DEB package..."
        sudo dpkg -i build/prometheus-cvmfs-exporter_*.deb || true
        sudo apt-get install -f -y
        
    - name: Verify installation
      run: |
        echo "Verifying installation..."
        ls -la /usr/libexec/cvmfs/cvmfs-prometheus.sh
        ls -la /usr/lib/systemd/system/cvmfs-client-prometheus*
        
    - name: Test script functionality
      run: |
        echo "Testing script functionality..."
        # Test script help
        /usr/libexec/cvmfs/cvmfs-prometheus.sh --help || true
        
        # Test script execution (may fail without proper CVMFS setup, but should not crash)
        timeout 10 /usr/libexec/cvmfs/cvmfs-prometheus.sh || echo "Script execution test completed"
        
    - name: Start systemd services
      run: |
        echo "Starting systemd services..."
        sudo systemctl daemon-reload
        sudo systemctl enable cvmfs-client-prometheus.socket
        sudo systemctl start cvmfs-client-prometheus.socket
        sudo systemctl status cvmfs-client-prometheus.socket --no-pager
        
    - name: Test metrics endpoint
      run: |
        echo "Testing metrics endpoint..."
        # Wait for socket to be ready
        sleep 5
        
        # Test the metrics endpoint with timeout and timing
        echo "Attempting to connect to localhost:9868..."
        start_time=$(date +%s.%N)
        
        # Use curl with timeout and proper error handling
        if timeout 30 curl -f -s http://localhost:9868 > metrics_output.txt; then
          end_time=$(date +%s.%N)
          response_time=$(echo "$end_time - $start_time" | bc)
          echo "✅ Metrics endpoint responded successfully in ${response_time} seconds"
          
          # Verify Prometheus metrics format
          if grep -q "^# HELP" metrics_output.txt && grep -q "^# TYPE" metrics_output.txt; then
            echo "✅ Response contains valid Prometheus metrics format"
            echo "Sample metrics:"
            head -20 metrics_output.txt
          else
            echo "❌ Response does not contain valid Prometheus metrics"
            echo "Response content:"
            cat metrics_output.txt
            exit 1
          fi
        else
          echo "❌ Failed to connect to metrics endpoint"
          echo "Checking service status..."
          sudo systemctl status cvmfs-client-prometheus.socket --no-pager || true
          sudo journalctl -u cvmfs-client-prometheus.socket --no-pager -n 20 || true
          exit 1
        fi
        
    - name: Upload DEB package artifact
      uses: actions/upload-artifact@v4
      if: always()
      with:
        name: deb-package
        path: build/prometheus-cvmfs-exporter_*.deb
        retention-days: 7

  test-rpm-almalinux:
    name: Test RPM Package on AlmaLinux
    runs-on: ubuntu-latest

    services:
      almalinux:
        image: almalinux:9
        options: >-
          --privileged
          --cgroupns=host
        volumes:
          - /sys/fs/cgroup:/sys/fs/cgroup:rw

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Setup AlmaLinux container with systemd
      run: |
        # Create a container with systemd support
        docker run -d \
          --name almalinux-test \
          --privileged \
          --cgroupns=host \
          -v /sys/fs/cgroup:/sys/fs/cgroup:rw \
          -v $PWD:/workspace \
          -w /workspace \
          almalinux:9 \
          /usr/sbin/init

        # Wait for container to be ready
        sleep 5

        # Verify container is running
        docker ps

    - name: Install dependencies in container
      run: |
        docker exec almalinux-test bash -c "
          # Install EPEL and basic tools
          dnf install -y epel-release
          dnf update -y

          # Install CVMFS
          dnf install -y https://ecsft.cern.ch/dist/cvmfs/cvmfs-release/cvmfs-release-latest.noarch.rpm
          dnf install -y cvmfs cvmfs-config-default

          # Install build tools and dependencies
          dnf install -y  --allowerasing \
            rpm-build \
            make \
            systemd \
            curl \
            attr \
            bc \
            findutils \
            grep \
            coreutils \
            util-linux
        "

    - name: Setup CVMFS in container
      run: |
        docker exec almalinux-test bash -c "
          # Configure CVMFS
          echo 'CVMFS_REPOSITORIES=sft.cern.ch,sw.hsf.org' > /etc/cvmfs/default.local
          echo 'CVMFS_HTTP_PROXY=DIRECT' >> /etc/cvmfs/default.local
          echo 'CVMFS_CLIENT_PROFILE=single' >> /etc/cvmfs/default.local
          echo 'CVMFS_USE_CDN=yes' >> /etc/cvmfs/default.local

          # Setup CVMFS
          cvmfs_config setup

          # Test CVMFS access
          timeout 30 ls /cvmfs/sft.cern.ch/ || echo 'CVMFS access test completed'
        "

    - name: Build RPM package in container
      run: |
        docker exec almalinux-test bash -c "
          cd /workspace
          echo 'Building RPM package...'
          make clean
          make rpm
        "

    - name: Verify RPM package contents
      run: |
        docker exec almalinux-test bash -c "
          cd /workspace
          echo 'Checking RPM package contents...'
          rpm -qlp build/rpm/RPMS/noarch/prometheus-cvmfs-exporter-*.rpm
          rpm -qip build/rpm/RPMS/noarch/prometheus-cvmfs-exporter-*.rpm
        "

    - name: Install RPM package in container
      run: |
        docker exec almalinux-test bash -c "
          cd /workspace
          echo 'Installing RPM package...'
          rpm -ivh build/rpm/RPMS/noarch/prometheus-cvmfs-exporter-*.rpm
        "

    - name: Verify installation in container
      run: |
        docker exec almalinux-test bash -c "
          echo 'Verifying installation...'
          ls -la /usr/libexec/cvmfs/cvmfs-prometheus.sh
          ls -la /usr/lib/systemd/system/cvmfs-client-prometheus*
        "

    - name: Test script functionality in container
      run: |
        docker exec almalinux-test bash -c "
          echo 'Testing script functionality...'
          # Test script help
          /usr/libexec/cvmfs/cvmfs-prometheus.sh --help || true

          # Test script execution (may fail without proper CVMFS setup, but should not crash)
          timeout 10 /usr/libexec/cvmfs/cvmfs-prometheus.sh || echo 'Script execution test completed'
        "

    - name: Start systemd services in container
      run: |
        docker exec almalinux-test bash -c "
          echo 'Starting systemd services...'
          systemctl daemon-reload
          systemctl enable cvmfs-client-prometheus.socket
          systemctl start cvmfs-client-prometheus.socket
          systemctl status cvmfs-client-prometheus.socket --no-pager
        "

    - name: Test metrics endpoint in container
      run: |
        docker exec almalinux-test bash -c "
          echo 'Testing metrics endpoint...'
          # Wait for socket to be ready
          sleep 5

          # Test the metrics endpoint with timeout and timing
          echo 'Attempting to connect to localhost:9868...'
          start_time=\$(date +%s.%N)

          # Use curl with timeout and proper error handling
          if timeout 30 curl -f -s http://localhost:9868 > metrics_output.txt; then
            end_time=\$(date +%s.%N)
            response_time=\$(echo \"\$end_time - \$start_time\" | bc)
            echo \"✅ Metrics endpoint responded successfully in \${response_time} seconds\"

            # Verify Prometheus metrics format
            if grep -q \"^# HELP\" metrics_output.txt && grep -q \"^# TYPE\" metrics_output.txt; then
              echo \"✅ Response contains valid Prometheus metrics format\"
              echo \"Sample metrics:\"
              head -20 metrics_output.txt
            else
              echo \"❌ Response does not contain valid Prometheus metrics\"
              echo \"Response content:\"
              cat metrics_output.txt
              exit 1
            fi
          else
            echo \"❌ Failed to connect to metrics endpoint\"
            echo \"Checking service status...\"
            systemctl status cvmfs-client-prometheus.socket --no-pager || true
            journalctl -u cvmfs-client-prometheus.socket --no-pager -n 20 || true
            exit 1
          fi
        "

    - name: Cleanup container
      if: always()
      run: |
        docker stop almalinux-test || true
        docker rm almalinux-test || true

    - name: Upload RPM package artifact
      uses: actions/upload-artifact@v4
      if: always()
      with:
        name: rpm-package
        path: build/rpm/RPMS/noarch/prometheus-cvmfs-exporter-*.rpm
        retention-days: 7