build_and_publish_changed_images.yaml

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.

name: Build & publish changed images

on:
  push:
    branches:
      - main
  pull_request:
      branches: main
      paths-ignore:
        - README.md
        - .devconttainer/**
        - .vscode/**
  workflow_dispatch:

jobs:
  # Note: When modifying this job, copy modifications to all other workflows' image jobs.
  changed_component_images:
    runs-on: ubuntu-latest
    outputs:
      any_changed: steps.check.outputs.any_changed
      any_deleted: steps.check.outputs.any_deleted
    strategy:
      matrix:
        include:
          - name: coturn
            source_directory: addons/coturn
            source_files_for_diff: addons/coturn

          - name: coturn-web
            source_directory: addons/coturn-web
            source_files_for_diff: addons/coturn-web

          - name: gst-web
            source_directory: addons/gst-web
            source_files_for_diff: addons/gst-web

          - name: gstreamer
            version_suffix: -ubuntu20.04
            build_args: UBUNTU_RELEASE=20.04
            source_directory: addons/gstreamer
            source_files_for_diff: addons/gstreamer

          - name: gstreamer
            version_suffix: -ubuntu22.04
            build_args: UBUNTU_RELEASE=22.04
            source_directory: addons/gstreamer
            source_files_for_diff: addons/gstreamer

          - name: infra-gcp-installer
            source_directory: infra/gce/installer-image
            source_files_for_diff: infra/gce/installer-image

          - name: py-build
            build_args: PACKAGE_VERSION=0.0.0.dev0
            source_directory: .
            source_files_for_diff: |
              src/**
              Dockerfile
              pyproject.toml
              setup.cfg
              .github/workflows/build_and_publish_changed_images.yaml

    name: ${{ matrix.name }}${{ matrix.version_suffix }} image build & publish
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2 # This is for changed-files.

      - name: Check for changes to image source
        id: check
        uses: tj-actions/changed-files@v38
        with:
          files: ${{ matrix.source_files_for_diff }}

      - name: Build & publish ${{ matrix.name }} image
        if: steps.check.outputs.any_changed == 'true' || steps.check.outputs.any_deleted == 'true'
        uses: ./.github/actions/build_and_publish_image
        with:
          build_args: ${{ matrix.build_args }}
          github_personal_access_token: ${{ secrets.GITHUB_TOKEN }}
          github_username: $GITHUB_ACTOR
          image_name: ${{ matrix.name }}
          image_source_directory: ${{ matrix.source_directory }}
          image_version_1: $GITHUB_REF_NAME${{ matrix.version_suffix }}

  # Note: When modifying this job, copy modifications to all other workflows' image jobs.
  changed_example_images:
    needs: changed_component_images
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - name: gst-py-example
            version_suffix: -ubuntu20.04
            build_args: PACKAGE_VERSION=0.0.0.dev0;UBUNTU_RELEASE=20.04;GSTREAMER_BASE_IMAGE_RELEASE=${{ github.ref_name }};PY_BUILD_IMAGE=ghcr.io/selkies-project/selkies-gstreamer/py-build:${{ github.ref_name }};WEB_IMAGE=ghcr.io/selkies-project/selkies-gstreamer/gst-web:${{ github.ref_name }}
            dockerfile: Dockerfile.example
            source_directory: .
            source_files_for_diff: |
              addons/**
              src/**
              Dockerfile
              Dockerfile.example
              pyproject.toml
              setup.cfg
              .github/workflows/build_and_publish_changed_images.yaml

          - name: gst-py-example
            version_suffix: -ubuntu22.04
            build_args: PACKAGE_VERSION=0.0.0.dev0;UBUNTU_RELEASE=22.04;GSTREAMER_BASE_IMAGE_RELEASE=${{ github.ref_name }};PY_BUILD_IMAGE=ghcr.io/selkies-project/selkies-gstreamer/py-build:${{ github.ref_name }};WEB_IMAGE=ghcr.io/selkies-project/selkies-gstreamer/gst-web:${{ github.ref_name }}
            dockerfile: Dockerfile.example
            source_directory: .
            source_files_for_diff: |
              addons/**
              src/**
              Dockerfile
              Dockerfile.example
              pyproject.toml
              setup.cfg
              .github/workflows/build_and_publish_changed_images.yaml

    name: ${{ matrix.name }}${{ matrix.version_suffix }} image build & publish
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2 # This is for changed-files.

      - id: check
        name: Check for changes to ${{ matrix.name }} image source
        uses: tj-actions/changed-files@v38
        with:
          files: ${{ matrix.source_files_for_diff }}

      - name: Build & publish ${{ matrix.name }} image
        if: steps.check.outputs.any_changed == 'true' || steps.check.outputs.any_deleted == 'true'
        uses: ./.github/actions/build_and_publish_image
        with:
          build_args: ${{ matrix.build_args }}
          dockerfile: ${{ matrix.dockerfile }}
          github_personal_access_token: ${{ secrets.GITHUB_TOKEN }}
          github_username: $GITHUB_ACTOR
          image_name: ${{ matrix.name }}
          image_source_directory: ${{ matrix.source_directory }}
          image_version_1: $GITHUB_REF_NAME${{ matrix.version_suffix }}