find-dockerfile.yml

name: Check Dockerfile in All Repositories

on:
  workflow_dispatch:
    inputs:
      username:
        description: 'GitHub Username'
        required: true
      branch:
        description: 'Branch to check for Dockerfile'
        required: true

jobs:
  check-repos:
    runs-on: ubuntu-latest

    steps:
      # Install jq for JSON parsing
      - name: Install jq
        run: |
          sudo apt-get update
          sudo apt-get install -y jq
      # Fetch all repositories for the GitHub user
      - name: Get repositories for the GitHub user
        id: get-repos
        run: |
          USERNAME=${{ github.event.inputs.username }}
          # Fetch all repositories, handling pagination
          page=1
          > repos_list.txt
          while : ; do
            repos=$(curl -s -H "Authorization: Bearer ${{ secrets.ACTION_PAT }}" \
              -H "Accept: application/vnd.github.v3+json" \
              "https://api.github.com/users/$USERNAME/repos?per_page=100&page=$page")
            if [[ $(echo "$repos" | jq '. | length') -eq 0 ]]; then
              break
            fi
            echo "$repos" | jq -r '.[].full_name' >> repos_list.txt
            ((page++))
          done
      # Check for Dockerfile in each repository
      - name: Check Dockerfile in each repository
        run: |
          BRANCH=${{ github.event.inputs.branch }}
          # Initialize results file
          echo "Dockerfile Check Results for ${{ github.event.inputs.username }} on Branch $BRANCH" > results.txt
          while IFS= read -r repo; do
            echo "Checking repository: $repo on branch: $BRANCH..."
            # Check if branch exists
            branch_check=$(curl -s -o /dev/null -w "%{http_code}" -H "Authorization: Bearer ${{ secrets.ACTION_PAT }}" \
              -H "Accept: application/vnd.github.v3+json" \
              "https://api.github.com/repos/$repo/branches/$BRANCH")
            if [[ "$branch_check" -ne 200 ]]; then
              echo "$repo: Branch $BRANCH NOT found (HTTP $branch_check)." >> results.txt
              continue
            fi
            # Fetch the full tree recursively
            tree_response=$(curl -s -H "Authorization: Bearer ${{ secrets.ACTION_PAT }}" \
              -H "Accept: application/vnd.github.v3+json" \
              "https://api.github.com/repos/$repo/git/trees/$BRANCH?recursive=1")
            # Parse and log all Dockerfile paths
            dockerfile_paths=$(echo "$tree_response" | jq -r '.tree[] | select(.path | test("(?i)Dockerfile$")) | .path')
            if [[ -n "$dockerfile_paths" ]]; then
              for path in $dockerfile_paths; do
                echo "$repo: Dockerfile FOUND at $path" >> results.txt
              done
            else
              echo "$repo: Dockerfile NOT found" >> results.txt
            fi
          done < repos_list.txt
      # Upload results as an artifact
      - name: Upload results
        uses: actions/upload-artifact@v3
        with:
          name: dockerfile-check-results
          path: results.txt