on-pr-helm-stc-sync.yaml

name: Validate operator and helm storageCluster Sync

on:
  pull_request:
    types: [opened, edited, synchronize]
    paths:
      - 'deploy/crds/**'

jobs:
  check-crd-changes:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v3
        with:
            fetch-depth: 2

      - name: Check if StorageCluster CRD has changes
        id: crd_check
        run: |
          echo "Checking CRD changes..."
          if git diff --exit-code HEAD^ HEAD -- deploy/crds/core_v1_storagecluster_crd.yaml; then
            echo "crd_changed=false" >> $GITHUB_ENV
          else
            echo "crd_changed=true" >> $GITHUB_ENV
          fi

      - name: Validate PR Description for Helm Link
        id: validate_pr_description
        if: env.crd_changed == 'true'
        run: |
          echo "Extracting PR body..."
          PR_BODY=$(jq -r '.pull_request.body' "$GITHUB_EVENT_PATH")
          echo "PR_BODY: '$PR_BODY'"
      
          # Extract the HELM_PR_LINK value
          HELM_PR_LINK=$(echo "$PR_BODY" | grep -oP 'HELM_PR_LINK[[:space:]]*=[[:space:]]*.*' | awk -F '=' '{print $2}' | xargs)
          IS_CONFIGURABLE=$(echo "$PR_BODY" | grep -oP 'IS_USER_CONFIGURABLE_FIELD_ADDED[[:space:]]*=[[:space:]]*.*' | awk -F '=' '{print $2}' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//' | xargs)
      
          # Debugging output
          echo "HELM_PR_LINK: '$HELM_PR_LINK'"
          echo "IS_USER_CONFIGURABLE_FIELD_ADDED: '$IS_CONFIGURABLE'"
      
          # Check if HELM_PR_LINK is missing
          if [[ -z "$HELM_PR_LINK" ]]; then
            echo "Changes detected in storageCluster CRD file"
            echo "Error: HELM_PR_LINK is missing in the description."
            echo "Please make similar changes in the Helm StorageCluster CRD and add the PR link in the description using the format: HELM_PR_LINK=<helm-stc-changes-pr>"
            exit 1
          else
            echo "helm_pr_link=true" >> $GITHUB_ENV
            echo "helm_pr_link_url=$HELM_PR_LINK" >> $GITHUB_ENV
          fi
      
          # Debugging output for IS_CONFIGURABLE
          echo "Trimmed IS_USER_CONFIGURABLE_FIELD_ADDED: '$IS_CONFIGURABLE'"
      
          # Validate IS_CONFIGURABLE value
          if [[ "$IS_CONFIGURABLE" == 'YES' ]]; then
            echo "is_configurable=true" >> $GITHUB_ENV
          elif [[ "$IS_CONFIGURABLE" == 'NO' ]]; then
            echo "is_configurable=false" >> $GITHUB_ENV
          else
            echo "Changes detected in storageCluster CRD file"
            echo "Error: Please specify IS_USER_CONFIGURABLE_FIELD_ADDED as either YES or NO in PR description."
            echo "If you are adding a new field in the storageCluster CRD that is configurable or editable by the user, it should be added in the Helm StorageCluster template and values.yaml."
            exit 1
          fi
          
          echo "is_configurable : '$is_configurable'"

      - name: Extract Branch Name from Helm PR Link
        id: extract_branch
        if: env.helm_pr_link == 'true'
        run: |        
            # Extract the PR number from the HELM_PR_LINK URL
            PR_NUMBER=$(echo "${{ env.helm_pr_link_url }}" | grep -o '[0-9]\+')
            echo "PR_NUMBER: $PR_NUMBER"
            
            # Check if PR_NUMBER extraction was successful
            if [ -z "$PR_NUMBER" ]; then
              echo "Error: PR_NUMBER could not be extracted."
              exit 1
            fi
        
            # Fetch the branch name using the GitHub API
            HELM_BRANCH=$(curl -s "https://api.github.com/repos/portworx/helm/pulls/$PR_NUMBER" | jq -r '.head.ref')
            echo "HELM_BRANCH: $HELM_BRANCH"
            
            # Check if HELM_BRANCH was successfully extracted
            if [ -z "$HELM_BRANCH" ]; then
              echo "Error: Failed to extract the branch name from the Helm PR."
              exit 1
            else
              echo "helm_branch=$HELM_BRANCH" >> $GITHUB_ENV
            fi

      - name: Checkout Helm Repo
        if: env.crd_changed == 'true' && env.helm_pr_link == 'true'
        uses: actions/checkout@v3
        with:
          fetch-depth: 2
          repository: portworx/helm 
          ref: ${{ env.helm_branch }}

      - name: Verify Helm StorageCluster CRD Changes
        if: env.crd_changed == 'true' && env.helm_pr_link == 'true'
        run: |
          echo "Checking Helm template changes..."
          if git diff --exit-code HEAD^ HEAD -- charts/portworx/crds/core_v1_storagecluster_crd.yaml; then
            echo "Error: No changes detected in Helm storagecluster CRD file."
            exit 1
          else
            echo "Helm storagecluster CRD changes detected."
          fi
      
      - name: Verify Helm StorageCluster template and values.yaml file changes
        if: env.crd_changed == 'true' && env.helm_pr_link == 'true' && env.is_configurable== 'true'
        run: |
          
          echo "Checking Helm storagecluster template changes..."
          if git diff --exit-code HEAD^ HEAD -- charts/portworx/crds/core_v1_storagecluster_crd.yaml; then
            echo "Error: No changes detected in Helm storagecluster template file."
            exit 1
          else
            echo "Helm storagecluster template changes detected."
          fi

          echo "Checking Helm storagecluster template changes..."
          if git diff --exit-code HEAD^ HEAD -- charts/portworx/values.yaml; then
            echo "Error: No changes detected in Helm values.yaml file."
            exit 1
          else
            echo "Helm values.yaml file changes detected."
          fi

      - name: Final Status
        run: echo "Validation completed successfully."