init_container.yaml

name: "Init container for k8s operator"

on:
  workflow_dispatch:
    inputs:
      release_tag:
        description: "Release tag of the agent"
        required: true
      init_image_tag:
        description: "Image tag"
        required: true
        default: "0"
      force:
        description: "Force build"
        required: false
        default: "false"

jobs:
  set_image_tag_variable:
    strategy:
      matrix:
        agents:
          [
            { name: "linux", file: "agent.zip", platform: "linux/amd64" },
            {
              name: "alpine",
              file: "agent-alpine.zip",
              platform: "linux/amd64",
            },
            {
              name: "linux-arm64",
              file: "agent-arm64.zip",
              platform: "linux/arm64",
            },
            {
              name: "alpine-arm64",
              file: "agent-alpine-arm64.zip",
              platform: "linux/arm64",
            },
          ]
    runs-on: ubuntu-latest
    name: Build and push Docker image
    env:
      base_image_tag: alpine-3.20.0
    steps:
      - name: Set release tag
        shell: bash
        run: |
          # check that tag is matching regex x.y.x-release.<commit hash> or force flag is enabled
          if [[ ! ${{ inputs.release_tag }} =~ ^[0-9]+\.[0-9]+\.[0-9]+-release\.[0-9a-f]+$ ]] ; then
            echo "Tag ${{ inputs.release_tag }} is not matching regex x.y.x-release.<commithash>"
            if [[ "${{ inputs.force }}" == "true" ]] ; then
              echo "Force flag is enabled. Continue"
            else
              exit 1
            fi
          fi
          echo "TAG_NAME=$(echo ${{ inputs.release_tag }} | sed -E 's/^([0-9]*\.[0-9]*\.[0-9]*).*/\1/')-init.${{ inputs.init_image_tag }}"  >> "$GITHUB_OUTPUT"
        id: set_tag

      - uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to DockerHub
        if: ${{ success() }}
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USER }}
          password: ${{ secrets.DOCKERHUB_PASS }}

      - name: Configure AWS credentials for artifacts bucket
        uses: aws-actions/configure-aws-credentials@v1
        with:
          aws-access-key-id: ${{ secrets.RELEASE_ARTIFACTS_MANAGER_KEY }}
          aws-secret-access-key: ${{ secrets.RELEASE_ARTIFACTS_MANAGER_SECRET }}
          aws-region: us-east-1

      - name: Set docker image tags
        id: set_docker_tags
        run: |
          python3 -m pip install semver
          existing_tags=()
          dockerhub_tags=$(curl -s   "https://hub.docker.com/v2/namespaces/lightruncom/repositories/k8s-operator-init-java-agent-${{ matrix.agents.name }}/tags?page_size=50" | jq -r ".results[].name")
          if [[ $? -ne  0 ]] ; then
            echo "Failed to fetch existing tags"
            exit 1
          fi
          while IFS= read -r line; do
            existing_tags+=("$line")
          done < <(echo $dockerhub_tags)
          for tag in $existing_tags
          do
            if [[ "$tag" == "latest" ]] ; then
              continue
            fi
            echo "Comparing existing tag: $tag with new: ${{steps.set_tag.outputs.TAG_NAME}}"
            if [[ $(pysemver compare $tag ${{steps.set_tag.outputs.TAG_NAME}}) -ge 0 ]] ; then
              echo "Existing tag: $tag is greater or equal than new: ${{ inputs.release_tag }}. Skip adding latest tag"
              echo "DOCKER_TAGS=lightruncom/k8s-operator-init-java-agent-${{ matrix.agents.name }}:${{steps.set_tag.outputs.TAG_NAME}}"  >> "$GITHUB_OUTPUT"
              exit 0
            fi
          done
          echo "Adding latest tag to ${{steps.set_tag.outputs.TAG_NAME}}"
          echo "DOCKER_TAGS=lightruncom/k8s-operator-init-java-agent-${{ matrix.agents.name }}:${{steps.set_tag.outputs.TAG_NAME}},lightruncom/k8s-operator-init-java-agent-${{ matrix.agents.name }}:latest"  >> "$GITHUB_OUTPUT"

      - name: Download agent artifacts
        run: |
          aws s3 cp s3://${{ secrets.RELEASE_ARTIFACTS_BUCKET }}/artifacts/${{ inputs.release_tag }}/${{ matrix.agents.file }} ./lightrun-init-agent/

      - name: Build and push ${{ matrix.agents.name }} container
        uses: docker/build-push-action@v4
        with:
          context: .
          file: ./lightrun-init-agent/Dockerfile
          push: true
          platforms: ${{ matrix.agents.platform }}
          tags: ${{steps.set_docker_tags.outputs.DOCKER_TAGS}}
          build-args: |
            FILE=${{ matrix.agents.file }}
            base_image_tag=${{ env.base_image_tag }}

      - name: Slack Notification
        if: always()
        uses: rtCamp/action-slack-notify@v2.2.0
        env:
          SLACK_CHANNEL: devops-alerts
          SLACK_COLOR: ${{ job.status }} # or a specific color like 'good' or '#ff00ff'
          SLACK_MESSAGE: "Tag ${{ inputs.release_tag }} | Platform ${{ matrix.agents.name }}"
          SLACK_TITLE: Init contianer build status - ${{ job.status }}
          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}