release.yaml

name: Release

on:
  pull_request:
    branches:
    - main
  push:
    branches:
    - main

env:
  IMAGE_TAG: ${{ github.head_ref != '' && github.head_ref || github.ref_name }}

jobs:
  release:
    name: build and push to ghcr.io
    runs-on: ubuntu-22.04
    permissions:
      packages: write

    steps:
    - uses: actions/setup-go@v4
      with:
        go-version: 1.21.x
    - uses: ko-build/setup-ko@v0.6
    - uses: actions/checkout@v4

    - name: Build and push
      env:
        KO_DOCKER_REPO: ghcr.io/norbjd/k8s-pod-cpu-booster
      run: |
        ko build ./cmd/informer ./cmd/webhook \
          --base-import-paths \
          --sbom=none \
          --tags=${{ github.sha }},$IMAGE_TAG

  e2e-tests:
    name: e2e tests
    needs: release
    strategy:
      fail-fast: false
      matrix:
        k8s-version:
          - v1.27.x
          - v1.28.x
          - v1.29.x
        os:
          - ubuntu-20.04 # Ubuntu 20.04 uses cgroup v1
          - ubuntu-22.04 # Ubuntu 22.04 uses cgroup v2
    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/setup-go@v4
        with:
          go-version: 1.21.x
      - # TODO: this is a fork to be able to use feature gates
        # TODO: change to the official chainguard-dev/actions/setup-kind@main when merged upstream
        uses: norbjd/actions/setup-kind@add-feature-gates-to-setup-kind
        with:
          k8s-version: ${{ matrix.k8s-version }}
          kind-worker-count: 1
          feature-gates: InPlacePodVerticalScaling
      - name: Install helm
        run: curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash
      - uses: actions/checkout@v4

      - name: Build and install k8s-pod-cpu-booster
        run: |
          helm install k8s-pod-cpu-booster --namespace pod-cpu-booster --create-namespace ./helm \
            --set informer.image=ghcr.io/norbjd/k8s-pod-cpu-booster/informer:$IMAGE_TAG \
            --set webhook.image=ghcr.io/norbjd/k8s-pod-cpu-booster/webhook:$IMAGE_TAG \

      - name: Wait for Ready
        run: |
          echo "Waiting for k8s-pod-cpu-booster items to become ready"
          kubectl wait pod --for=condition=Ready -n pod-cpu-booster -l app=pod-cpu-boost-reset
          kubectl wait pod --for=condition=Ready -n pod-cpu-booster -l app=mutating-webhook
          sleep 5 # because readiness probe is not accurate (Ready != informer is started), but sleeping is enough for now

      - name: Run e2e Tests
        shell: bash
        run: |
          OS=${{ matrix.os }} ./test/e2e-kind.sh