build.yml

name: Build

on:
  push:
    branches: [ main, 'develop/**' ]

jobs:

  matrix: # sets the matrix
    runs-on: ubuntu-latest
    outputs:
      plugin: ${{ steps.matrix.outputs.plugin }}

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Get changed files
        id: changed-files
        uses: tj-actions/changed-files@v44
        with:
          dir_names: "true"
          since_last_remote_commit: true
          files_ignore: |
            **/*.md
            **/**.md
            **/assets/**
            **/docs/**
            .github/**
            Dockerfile
            Makefile

      - name: Set the plugins matrix
        id: matrix
        run: |
          directories=$(echo ${{ steps.changed-files.outputs.all_changed_and_modified_files }} | awk '{for (i=1; i<=NF; i++) {sub(/\/.*/, "", $i); printf "%s ", $i}}' | xargs -n1 | sort -u) # get main directory and remove duplicate directories
          matrix=$((
            echo '{ "plugin" : ['
            separator=''
            for d in $directories; do
              [[ $d != "." ]]         || continue;
              [[ $d != ".github"* ]]  || continue;
              [[ $d != *"/"* ]]       || continue;
              [[ $d != "_"* ]]       || continue;
              [[ $d != *".md" ]]       || continue;
              [[ $d != *"/assets/"* ]]       || continue;
              echo -n "$separator"\""$d"\"; separator=',';
            done
            echo "]}"
          ) | jq -c .)
          
          # if branch is develop/<plugin> keep in matrix only the plugin if it exists
          branch=${GITHUB_REF#refs/heads/}
          if [[ "$branch" == "develop/"* ]]; then
            plugins=${branch#develop/}
            if echo "$matrix" | jq -e --arg value "$plugins" '.plugin | index($value)' > /dev/null; then
              matrix='{"plugin":["'$plugins'"]}'
            else
              matrix='{"plugin":[]}'
            fi
          fi
          
          echo "plugin=$matrix" >> $GITHUB_OUTPUT

      - name: Check content of matrix
        run: echo ${{ steps.matrix.outputs.plugin }}

  build:
    if: ${{ needs.matrix.outputs.plugin != '{"plugin":[]}' }} # check if matrix is not empty
    runs-on: ubuntu-latest
    needs: matrix
    strategy:
      fail-fast: false # continues with matrix even if an element fails
      matrix: ${{fromJson(needs.matrix.outputs.plugin)}}

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Extract branch name
        run: echo "branch=${GITHUB_REF#refs/heads/}" >> $GITHUB_ENV

      - name: Get image version
        run: |
          if [[ "${{ env.branch }}" == "main" ]]; then
            echo docker_version=`jq '.version' ./${{ matrix.plugin }}/plugin.json | tr -d \"` >> $GITHUB_ENV
            echo version=v`jq '.version' ./${{ matrix.plugin }}/plugin.json | tr -d \"` >> $GITHUB_ENV
          else
            echo docker_version=develop >> $GITHUB_ENV
            echo version=develop >> $GITHUB_ENV
          fi
          echo plugin_file=`cat ./${{ matrix.plugin }}/plugin.json` >> $GITHUB_ENV

      - name: Check if Dockerfile exists
        id: check_dockerfile
        uses: andstor/file-existence-action@v3
        with:
          files: "${{ matrix.plugin }}/task/Dockerfile"

      - name: Set up QEMU
        if: ${{ steps.check_dockerfile.outputs.files_exists == 'true' }}
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        if: ${{ steps.check_dockerfile.outputs.files_exists == 'true' }}
        uses: docker/setup-buildx-action@v3

      - name: Login to DockerHub
        if: ${{ steps.check_dockerfile.outputs.files_exists == 'true' }}
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Login to GitHub container Registry
        if: ${{ steps.check_dockerfile.outputs.files_exists == 'true' }}
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        if: ${{ steps.check_dockerfile.outputs.files_exists == 'true' }}
        uses: docker/build-push-action@v5
        with:
          context: ${{ matrix.plugin }}/task
          push: true
          tags: |
            thinger/${{ matrix.plugin }}-plugin:${{ env.docker_version }}

      - name: Update README in DockerHub
        if: ${{ steps.check_dockerfile.outputs.files_exists == 'true' && env.branch == 'main' }}
        uses: peter-evans/dockerhub-description@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
          repository: thinger/${{ matrix.plugin }}-plugin
          readme-filepath: ./${{ matrix.plugin }}/README.md

      - name: Delete tag of repository
        if: ${{ startsWith(env.branch, 'develop') }}
        uses: dev-drprasad/delete-tag-and-release@v1.1
        with:
          tag_name: ${{ matrix.plugin }}/${{ env.version }}
          github_token: ${{ secrets.GITHUB_TOKEN }}
          delete_release: false

      - name: Tag repository
        uses: mathieudutour/github-tag-action@v6.2
        continue-on-error: true
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          custom_tag: ${{ matrix.plugin }}/${{ env.version }}
          tag_prefix: ''

      - name: Post tag to DB
        uses: fjogeleit/http-request-action@v1
        with:
          url: "https://cloud.thinger.io/plugins/${{ matrix.plugin }}/tags/${{ env.version }}"
          method: 'PUT'
          username: ${{ secrets.LAMBDA_USER }}
          password: ${{ secrets.LAMBDA_PASSWORD }}
          timeout: 30000 # 30s
          customHeaders: '{"Content-Type": "application/json"}'
          data: |
            {
              "plugin": "${{ matrix.plugin }}",
              "version": "${{ env.version }}",
              "commit": "${{ github.sha }}",
              "repository": "${{ github.repository }}",
              "server_url": "${{ github.server_url }}",
              "plugin_file": ${{ env.plugin_file }}
            }