pull_request.yaml

name: Build image from pull request

on:
  pull_request:
    branches:
      - main

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      docker_registry_token: ${{ secrets.DOCKER_REGISTRY_TOKEN }}
    steps:
    - name: Checkout
      uses: actions/checkout@v3

    - name: Ensure Go Version
      uses: actions/setup-go@v4
      with:
        go-version-file: 'go.mod'

    - name: Lint
      uses: golangci/golangci-lint-action@v4
      with:
        args: -p bugs -p unused --timeout=5m

    - name: Get Kubebuilder Version
      id: get-kubebuilder-version
      run: echo "version=$(make kubebuilder-version-ci)" >> $GITHUB_OUTPUT
      shell: bash

    - name: Ensure etcd
      id: Ensure-etcd
      uses: actions/cache@v2
      with:
        path: ~/go/bin/etcd
        key: ${{ runner.os }}-kubebuilder-${{ steps.get-kubebuilder-version.outputs.version }}-etcd

    - name: Ensure kube-apiserver
      id: ensure-kube-apiserver
      uses: actions/cache@v2
      with:
        path: ~/go/bin/kube-apiserver
        key: ${{ runner.os }}-kubebuilder-${{ steps.get-kubebuilder-version.outputs.version }}-kube-apiserver

    - name: Ensure Kubebuilder Metadata
      id: ensure-kubebuilder-metadata
      uses: actions/cache@v2
      with:
        path: ~/.kubebuilder/${{ steps.get-kubebuilder-version.outputs.version }}
        key: ${{ runner.os }}-kubebuilder-${{ steps.get-kubebuilder-version.outputs.version }}

    - name: Install Kubebuilder
      run: make kubebuilder

    - name: Run tests
      run: make test

    - name: Docker Login
      uses: docker/login-action@v3
      with:
        registry: ${{ secrets.DOCKER_REGISTRY }}
        username: ${{ secrets.DOCKER_REGISTRY_USER }}
        password: ${{ secrets.DOCKER_REGISTRY_TOKEN }}
      if: ${{ env.docker_registry_token != '' }}

    - name: Build Docker image
      run: |
        export DOCKER_TAG=pr-$(echo ${GITHUB_HEAD_REF} | tr '/' '-')
        make docker-build

    - name: Push Docker image
      run: |
        # pull request images are prefixed with 'pr' to prevent them from overriding released images
        export DOCKER_TAG=pr-$(echo ${GITHUB_HEAD_REF} | tr '/' '-')
        make docker-push
      if: ${{ env.docker_registry_token != '' }}