ci.yml

name: Fibo Service CI
##
## Validate the service via unittests and verify the service runs within docker.defaults:
## During PR, tag the image with the branch name
## On main, push the image as "latest"

on:
  push:
    branches: main
  pull_request:
    branches: main
  workflow_dispatch:

permissions: read-all

concurrency:
  group: '${{ github.workflow }}-${{ github.ref }}'
  cancel-in-progress: true

jobs:
  compute-tag:
    runs-on: ubuntu-latest
    steps:
      - name: Compute docker image tag
        id: out
        run: |
          if [[ "${{ github.ref_name }}" == "main" ]]; then
            echo "DOCKER_TAG=latest" >> $GITHUB_OUTPUT
          else
            echo "DOCKER_TAG=$(echo ${{ github.ref_name }} | tr '/' '_')" >> $GITHUB_OUTPUT
          fi
    outputs:
      docker_tag: ${{ steps.out.outputs.DOCKER_TAG }}

  service-unittests:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Fibo unittest
        run: |
          python --version
          python -m venv .venv
          source .venv/bin/activate
          python -m pip install -r fibo/requirements.txt

          python -m pip install -e .
          echo "==========================================="
          python -m unittest discover --verbose -s tests

  service-build-push:
    needs:
      - compute-tag
      - service-unittests
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Login Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build docker image
        uses: docker/build-push-action@v5
        with:
          push: true
          tags: tgthomson/fiboservice:${{ needs.compute-tag.outputs.DOCKER_TAG }}
  
  service-validate:
    needs:
      - compute-tag
      - service-build-push
    runs-on: ubuntu-latest
    services:
      fibo:
        image: tgthomson/fiboservice:${{ needs.compute-tag.outputs.DOCKER_TAG }}
        ports:
          - 8080:80
    steps:
      - name: Test service endpoint
        run: |
          ## sleep before connecting, 'cause the service is just starting...
          sleep 5
          docker container ls
          curl -v http://localhost:8080/fibo/9

  ci-validated:
    needs:
      - service-unittests
      - service-validate
    runs-on: ubuntu-latest
    steps:
      - name: success
        if: ${{ success() }}
        run: |
          echo "### Workflow succeeded!" >> $GITHUB_STEP_SUMMARY