pr-build-image.yaml

name: Build Image

on:
  pull_request_target:
    types: [opened, edited, synchronize, reopened, ready_for_review]
    branches:
      - "main"
      - "release-*"
  push:
    branches:
      - "main"
      - "release-*"

jobs:
  envs:
    runs-on: ubuntu-latest
    outputs:
      build-args: ${{ steps.prepare-envs.outputs.build-args }}
      tags: ${{ steps.create-tags.outputs.tags }}
      otel-version: ${{ steps.load-envs.outputs.OTEL_VERSION }}
      otel-contrib-version: ${{ steps.load-envs.outputs.OTEL_CONTRIB_VERSION }}
      pr-tag: ${{ steps.create-tags.outputs.PR_TAG }}
      push-tag: ${{ steps.create-tags.outputs.PUSH_TAG }}

    steps:
      - name: Checkout code
        if: github.event_name == 'pull_request_target'
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.head.sha }}

      - name: Checkout code
        if: github.event_name == 'push'
        uses: actions/checkout@v4

      - name: prepare envs
        id: prepare-envs
        run: |
          {
          echo 'build-args<<BUILD_ARGS'
          cat otel-collector/envs
          echo BUILD_ARGS
          } >> "$GITHUB_OUTPUT"

      - name: load envs into output
        id: load-envs
        run: |
          cat otel-collector/envs >> "$GITHUB_OUTPUT"

      - name: print env context
        run: echo "${{ steps.prepare-envs.outputs.build-args }}"

      - name: create tags
        id: create-tags
        run: |
          if [[ $GITHUB_EVENT_NAME == 'push' ]]; then
            echo 'TAGS="${{ steps.load-envs.outputs.OTEL_VERSION }}-${{ github.ref_name }}"' >> "$GITHUB_OUTPUT"
          else
            echo 'TAGS="PR-${{ github.event.pull_request.number }}"' >> "$GITHUB_OUTPUT"
          fi

          echo 'PUSH_TAG="${{ steps.load-envs.outputs.OTEL_VERSION }}-${{ github.ref_name }}"' >> "$GITHUB_OUTPUT"
          echo 'PR_TAG="PR-${{ github.event.pull_request.number }}"' >> "$GITHUB_OUTPUT"

  build-image:
    needs: envs
    uses: kyma-project/test-infra/.github/workflows/image-builder.yml@main # Usage: kyma-project/test-infra/.github/workflows/image-builder.yml@main
    with:
      name: kyma-otel-collector
      dockerfile: otel-collector/Dockerfile
      context: .
      build-args: ${{ needs.envs.outputs.build-args }}
      tags: ${{ needs.envs.outputs.tags }}

  Build-Image-Success:
    needs: build-image
    runs-on: ubuntu-latest
    steps:
      - name: List images
        run: |
          echo "${{ needs.build-image.outputs.images }}"