name: CI

on:
  release:
    types:
      - published
  push:
    branches:
      - '4.0'
      - '5.0'
      - '5.2'
      - '5.4'
      - 'trunk'
    paths-ignore:
      - '.env*'
      - 'docker-compose*.yaml'
      - '*/rhel/*'
      - "**.md"

defaults:
  run:
    shell: bash

jobs:
  build:
    timeout-minutes: 70
    env:
      LATEST_BRANCH: "${{ github.event.repository.default_branch }}"
      DOCKER_REPOSITORY: "zabbix"
    strategy:
      fail-fast: false  
      matrix:
        build:
          - agent
          - agent2
          - java-gateway
          - proxy-mysql
          - proxy-sqlite3
          - server-mysql
          - server-pgsql
          - snmptraps
          - web-apache-mysql
          - web-apache-pgsql
          - web-nginx-mysql
          - web-nginx-pgsql
        os:
         - alpine
         - ubuntu
         - ol

    runs-on: ubuntu-20.04
    steps:
      - 
        uses: actions/checkout@v2

      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      -
        name: Login to DockerHub
        uses: docker/login-action@v1 
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Prepare platform list
        id: platform
        run: |
          DOCKER_PLATFORM="linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/s390x"

          if [ "${{ matrix.build }}" == "agent2" ]; then
            DOCKER_PLATFORM="linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/ppc64le"
          fi

          if [ "${{ matrix.os }}" == "ubuntu" ]; then
            DOCKER_PLATFORM="linux/amd64,linux/arm/v7,linux/arm64,linux/ppc64le"
          fi

          if [ "${{ matrix.build }}" == "java-gateway" ]; then
            DOCKER_PLATFORM=${DOCKER_PLATFORM%",linux/ppc64le"}
          fi

          if [ "${{ matrix.build }}" == "web-service" ]; then
            DOCKER_PLATFORM=${DOCKER_PLATFORM%",linux/ppc64le"}
          fi
  
          if [ "${{ matrix.os }}" == "ol" ]; then
            DOCKER_PLATFORM="linux/amd64,linux/arm64"
          fi

          echo ::set-output name=list::${DOCKER_PLATFORM}

      - name: Prepare environment (push)
        if: github.event_name == 'push'
        id: prepare_push
        run: |
          TAGS_ARRAY=()

          IMAGE_NAME="${{ env.DOCKER_REPOSITORY }}/zabbix-${{ matrix.build }}"
          GIT_BRANCH="${{ github.ref }}"
          GIT_BRANCH=${GIT_BRANCH:11}

          echo "::debug::Branch - ${GIT_BRANCH}"

          if [ "${GIT_BRANCH}" == "trunk" ]; then
            TAGS_ARRAY+=("$IMAGE_NAME:${{ matrix.os }}-${GIT_BRANCH}")
            TAGS_ARRAY+=("$IMAGE_NAME:${GIT_BRANCH}-${{ matrix.os }}")
          else
            TAGS_ARRAY+=("$IMAGE_NAME:${{ matrix.os }}-${GIT_BRANCH}-latest")
            TAGS_ARRAY+=("$IMAGE_NAME:${GIT_BRANCH}-${{ matrix.os }}-latest")
          fi

          if [ "${{ matrix.os }}" == "alpine" ] && [ "${LATEST_BRANCH}" == "${GIT_BRANCH}" ]; then
            TAGS_ARRAY+=("$IMAGE_NAME:latest")
          fi

          if [ "${LATEST_BRANCH}" == "${GIT_BRANCH}" ]; then
            TAGS_ARRAY+=("$IMAGE_NAME:${{ matrix.os }}-latest")
          fi

          TAGS=$(printf -- "%s, " "${TAGS_ARRAY[@]}")

          echo "::debug::Tags - ${TAGS}"

          echo ::set-output name=image_name::${IMAGE_NAME}
          echo ::set-output name=image_tag_versions::$(printf -- "%s," "${TAGS_ARRAY[@]}")

      - name: Prepare environment (release)
        if: github.event_name == 'release' && github.event.action == 'published'
        id: prepare_release
        run: |
          TAGS_ARRAY=()

          IMAGE_NAME="${{ env.DOCKER_REPOSITORY }}/zabbix-${{ matrix.build }}"
          RELEASE_VERSION="${{ github.ref }}"
          RELEASE_VERSION=${RELEASE_VERSION:10}
          GIT_BRANCH=${RELEASE_VERSION%.*}

          echo "::debug::Release version ${RELEASE_VERSION}. Branch ${GIT_BRANCH}"

          TAGS_ARRAY+=("$IMAGE_NAME:${{ matrix.os }}-${RELEASE_VERSION}")
          TAGS_ARRAY+=("$IMAGE_NAME:${RELEASE_VERSION}-${{ matrix.os }}")

          if [ "${{ matrix.os }}" == "alpine" ] && [ "${LATEST_BRANCH}" == "${GIT_BRANCH}" ]; then
            TAGS_ARRAY+=("$IMAGE_NAME:latest")
          fi

          TAGS=$(printf -- "--tag %s " "${TAGS_ARRAY[@]}")

          echo ::set-output name=image_name::${IMAGE_NAME}
          echo ::set-output name=image_tag_versions::$(printf -- ",%s" "${TAGS_ARRAY[@]}")

      - name: Prepare tags
        id: prepare_tags
        run: |
          if [ ! -z "${{ steps.prepare_push.outputs.image_tag_versions }}" ]; then
              TAGS="${{ steps.prepare_push.outputs.image_tag_versions }}"
              IMAGE_NAME="${{ steps.prepare_push.outputs.image_name }}"
          elif [ ! -z "${{ steps.prepare_release.outputs.image_tag_versions }}" ]; then
              TAGS="${{ steps.prepare_release.outputs.image_tag_versions }}"
              IMAGE_NAME="${{ steps.prepare_release.outputs.image_name }}"
          else
              exit 1
          fi

          echo ::set-output name=image_tag_versions::${TAGS}
          echo ::set-output name=image_name::${IMAGE_NAME}

      -
        name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          context: ./${{ matrix.build }}/${{ matrix.os }}
          file: ./${{ matrix.build }}/${{ matrix.os }}/Dockerfile
          platforms: ${{ steps.platform.outputs.list }}
          push: ${{ secrets.AUTO_PUSH_IMAGES }}
          tags: ${{ steps.prepare_tags.outputs.image_tag_versions }}

      -
        name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}