kyverno/.github/workflows/load-testing.yml

name: Baseline Load Tests

permissions: {}

on:
  pull_request:
    branches:
      - "main"
      - "release*"

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

jobs:
  prepare-images:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
      - name: Setup caches
        uses: ./.github/actions/setup-caches
        timeout-minutes: 5
        continue-on-error: true
        with:
          build-cache-key: build-images
      - name: Setup build env
        uses: ./.github/actions/setup-build-env
        timeout-minutes: 10
        with:
          free-disk-space: false
      - name: ko build
        shell: bash
        run: |
          set -e
          VERSION=${{ github.ref_name }} make docker-save-image-all          
      - name: upload images archive
        uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874 # v4.4.0
        with:
          name: kyverno.tar
          path: kyverno.tar
          retention-days: 1
          if-no-files-found: error

  load-test:
    runs-on: ubuntu-latest
    permissions:
      packages: read
    strategy:
      fail-fast: false
      matrix:
        k8s-version:
          - name: v1.30
            version: v1.31.0
        kyverno-config:
          - name: default
            values:
              - default-with-profiling
          - name: stress
            values:
              - stress-with-profiling
        test:
          - kyverno-pss
          - kyverno-mutate
        k6-config:
          - vus: 5
            iterations: 100
          - vus: 10
            iterations: 200
    needs:
      - prepare-images
    name: ${{ matrix.kyverno-config.name }} - ${{ matrix.test }} - ${{ matrix.k6-config.vus }} vus - ${{ matrix.k6-config.iterations }} iterations
    steps:
      - name: Checkout kyverno/kyverno
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
      - name: Checkout kyverno/load-testing
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        with:
          repository: kyverno/load-testing
          path: load-testing
      - name: Install helm
        id: helm
        uses: azure/setup-helm@fe7b79cd5ee1e45176fcad797de68ecaf3ca4814 # v4.2.0
      - name: Create kind cluster
        uses: helm/kind-action@0025e74a8c7512023d06dc019c617aa3cf561fde # v1.10.0
        with:
          node_image: kindest/node:${{ matrix.k8s-version.version }}
          cluster_name: kind
          config: ./scripts/config/kind/default.yaml
      - name: Download kyverno images archive
        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
        with:
          name: kyverno.tar
      - name: Load kyverno images archive in kind cluster
        shell: bash
        run: |
          set -e
          kind load image-archive kyverno.tar --name kind          
      - name: Install kyverno
        shell: bash
        run: |
          set -e
          export HELM=${{ steps.helm.outputs.helm-path }}
          export USE_CONFIG=${{ join(matrix.kyverno-config.values, ',') }}
          make kind-install-kyverno
          bash load-testing/k8s/metrics-server/hack.sh
          make kind-install-goldilocks          
      - name: Wait for kyverno ready
        uses: ./.github/actions/kyverno-wait-ready
      - name: Run load tests using K6
        shell: bash
        run: |
          set -e
          KYVERNO_NODE_IP=$(kubectl get nodes -o jsonpath='{.items[?(@.metadata.labels.kubernetes\.io/hostname=="kind-control-plane")].status.addresses[?(@.type=="InternalIP")].address}')
          curl http://$KYVERNO_NODE_IP:30950/debug/pprof/heap > heap.pprof
          curl "http://$KYVERNO_NODE_IP:30950/debug/pprof/profile?seconds=30" > cpu.pprof 2> curl.tmp &
          cd load-testing/k6
          ./start.sh tests/${{ matrix.test }}.js ${{ matrix.k6-config.vus }} ${{ matrix.k6-config.iterations }}
          wait %1 || true
          # TODO: wait for VPA to stabilize and recommend
          kubectl -n kyverno get vpa goldilocks-kyverno-admission-controller -o jsonpath='{.status.recommendation.containerRecommendations[*]}'          
      - name: Archive load test results
        if: failure()
        uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874 # v4.4.0
        with:
          name: load-test-reports
          path: load-testing/k6/${{ matrix.test }}.js-${{ matrix.k6-config.vus }}vu-${{ matrix.k6-config.iterations }}it-logs.txt
      - name: Archive pprof CPU profiles
        if: failure()
        uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874 # v4.4.0
        with:
          name: pprof-cpu-profiles
          path: cpu.pprof
      - name: Archive pprof HEAP profiles
        if: failure()
        uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874 # v4.4.0
        with:
          name: pprof-heap-profiles
          path: heap.pprof
      - name: Debug failure
        if: failure()
        uses: ./.github/actions/kyverno-logs