build_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 changed images

on:
  pull_request:
    branches:
    - main
  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_modified: steps.check.outputs.any_modified
    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: js-interposer
          version_suffix: -ubuntu20.04
          build_args: DISTRIB_RELEASE=20.04;PKG_NAME=selkies-js-interposer;PKG_VERSION=0.0.0
          source_directory: addons/js-interposer
          source_files_for_diff: addons/js-interposer

        - name: js-interposer
          version_suffix: -ubuntu22.04
          build_args: DISTRIB_RELEASE=22.04;PKG_NAME=selkies-js-interposer;PKG_VERSION=0.0.0
          source_directory: addons/js-interposer
          source_files_for_diff: addons/js-interposer

        - 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_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_modified == '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: ${{ matrix.source_directory }}
        image_version_1: pr${{ matrix.version_suffix }}
        push_image: "false"

  # 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
          push_image: "false"
          build_args: PACKAGE_VERSION=0.0.0.dev0;UBUNTU_RELEASE=20.04;GSTREAMER_BASE_IMAGE_RELEASE=pr${{ matrix.version_suffix }};PY_BUILD_IMAGE=ghcr.io/selkies-project/selkies-gstreamer/py-build:pr${{ matrix.version_suffix }};WEB_IMAGE=ghcr.io/selkies-project/selkies-gstreamer/gst-web:pr${{ matrix.version_suffix }};JS_BASE_IMAGE_RELEASE=pr${{ matrix.version_suffix }};JS_BASE_IMAGE=ghcr.io/selkies-project/selkies-gstreamer/js-interposer
          dockerfile: Dockerfile.example
          source_directory: .
          source_files_for_diff: |
            addons/**
            src/**
            Dockerfile
            Dockerfile.example
            pyproject.toml
            setup.cfg
            .github/workflows/build_changed_images.yaml

        - name: gst-py-example
          version_suffix: -ubuntu22.04
          push_image: "false"
          build_args: PACKAGE_VERSION=0.0.0.dev0;UBUNTU_RELEASE=22.04;GSTREAMER_BASE_IMAGE_RELEASE=pr${{ matrix.version_suffix }};PY_BUILD_IMAGE=ghcr.io/selkies-project/selkies-gstreamer/py-build:pr${{ matrix.version_suffix }};WEB_IMAGE=ghcr.io/selkies-project/selkies-gstreamer/gst-web:pr${{ matrix.version_suffix }};JS_BASE_IMAGE_RELEASE=pr${{ matrix.version_suffix }};JS_BASE_IMAGE=ghcr.io/selkies-project/selkies-gstreamer/js-interposer
          dockerfile: Dockerfile.example
          source_directory: .
          source_files_for_diff: |
            addons/**
            src/**
            Dockerfile
            Dockerfile.example
            pyproject.toml
            setup.cfg
            .github/workflows/build_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 ${{ matrix.name }} 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_modified == '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: ${{ matrix.source_directory }}
        image_version_1: pr${{ matrix.version_suffix }}
        push_image: "false"