performance-comparison.yml

name: performance comparison (on comment)

on:
  issue_comment:
    types: [created]

permissions:
  contents: read
  pull-requests: write

concurrency:
  group: build-${{ github.event.pull_request.number || github.ref }}-${{github.workflow}}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

jobs:
  build:
    if: ${{ startsWith(github.event.comment.body, '/run-comparisonstats') }}
    name: Performance comparison (on comment)
    runs-on: ubuntu-latest
    strategy:
      matrix:
        kustomize_version: [5.0.3]
        ko_version: [0.4.0]
        kompose_version: [1.21.0]
        gcloud_sdk_version: [410.0.0]
        container_structure_tests_version: [1.8.0]
    steps:
    - name: "Check if user has write access"
      uses: "lannonbr/repo-permission-check-action@2bb8c89ba8bf115c4bfab344d6a6f442b24c9a1f"
      with:
        permission: "write"
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    - name: Add reaction
      uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043
      with:
        comment-id: ${{ github.event.comment.id }}
        reactions: rocket

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: 1.23.*
      id: go

    - name: Check out code into the Go module directory
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Install Kustomize
      run: |
        wget -O kustomize.tar.gz https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize/v${{ matrix.kustomize_version }}/kustomize_v${{ matrix.kustomize_version }}_linux_amd64.tar.gz
        sudo tar -xvf kustomize.tar.gz -C /usr/local/bin/

    - name: Install Ko
      run: |
        wget -O ko.tar.gz https://github.com/google/ko/releases/download/v${{ matrix.ko_version }}/ko_${{ matrix.ko_version }}_Linux_x86_64.tar.gz
        sudo tar -xvf ko.tar.gz -C /usr/local/bin/

    - name: Install Kompose
      run: |
        wget -O kompose https://github.com/kubernetes/kompose/releases/download/v${{ matrix.kompose_version }}/kompose-linux-amd64 && chmod +x kompose
        sudo mv kompose /usr/local/bin/

    - name: Install GCloud
      run: |
        wget -O gcloud.tar.gz https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-${{ matrix.gcloud_sdk_version }}-linux-x86_64.tar.gz
        tar -xvf gcloud.tar.gz -C ${HOME}/
        ${HOME}/google-cloud-sdk/install.sh --usage-reporting=false --bash-completion=false --disable-installation-options
        echo "${HOME}/google-cloud-sdk/bin" >> $GITHUB_PATH

    - name: Configure GCloud with Docker
      run:  gcloud auth configure-docker

    - name: Install Container Structure Test
      run: |
        wget -O container-structure-test https://storage.googleapis.com/container-structure-test/v${{ matrix.container_structure_tests_version }}/container-structure-test-linux-amd64 && chmod +x container-structure-test
        sudo mv container-structure-test /usr/local/bin/

    - name: Setup other files and permissions
      run: |
        sudo chown $(whoami):docker ${HOME}/.docker -R
        sudo chmod g+rw ${HOME}/.docker -R
        echo '{}' > ${HOME}/.docker/config.json
        mkdir -p ${HOME}/.m2/ && cp ./hack/maven/settings.xml ${HOME}/.m2/settings.xml
        
    - name: Install Minikube from minikube master branch @HEAD and start cluster
      run: |
        curl -Lo minikube https://storage.googleapis.com/minikube-builds/master/minikube-linux-amd64
        sudo install minikube /usr/local/bin/minikube
        minikube start --profile=minikube --driver=docker

    - uses: xt0rted/pull-request-comment-branch@e8b8daa837e8ea7331c0003c9c316a64c6d8b0b1
      id: comment-branch

    - name: Make and install Skaffold binary from current PR
      run: |
        make
        sudo install "${HOME}/work/skaffold/skaffold/out/skaffold" /usr/local/bin/skaffold-${{ steps.comment-branch.outputs.head_ref }}

    - name: Install Skaffold from main branch (built from CI/CD on merge)
      run: |
        curl -Lo skaffold-from-main-branch https://storage.googleapis.com/skaffold/builds/latest/skaffold-linux-amd64 && \
        sudo install skaffold-from-main-branch /usr/local/bin/

    - name: Parse Comment To Yaml Format
      env:
        COMMENT_BODY: ${{ github.event.comment.body }}
      run: |
        tail -n +2 <<< "$COMMENT_BODY" > yaml-input-file.yaml

    - name: Run performance comparison benchmarks
      id: run-performance-comparison-benchmarks
      run: |
        /usr/local/bin/skaffold-${{ steps.comment-branch.outputs.head_ref }} config set --global collect-metrics false
        make COMPARISONSTATS_ARGS='--summary-output-path=gh-comment.txt --yaml-input-file=yaml-input-file.yaml --warmup-runs=1 /usr/local/bin/skaffold-from-main-branch /usr/local/bin/skaffold-${{ steps.comment-branch.outputs.head_ref }} helm-deployment main.go "//per-dev-iteration-comment"' comparisonstats
        body=$(cat gh-comment.txt)
        body="${body//'%'/'%25'}"
        body="${body//$'\n'/'%0A'}"
        body="${body//$'\r'/'%0D'}" 
        echo "body=$body" >> $GITHUB_OUTPUT

    - name: Create comment
      uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043
      with:
        issue-number: ${{ github.event.issue.number }}
        body: "${{ steps.run-performance-comparison-benchmarks.outputs.body }}"