benchmark-action.yaml

name: benchmarks

on:
  push:
    branches:
      - develop
  pull_request:
    types: [opened, reopened, synchronize]
  workflow_dispatch:

permissions:
  # deployments permission to deploy GitHub pages website
  deployments: write
  # contents permission to update benchmark contents in gh-pages branch
  contents: write


# see https://github.com/benchmark-action/github-action-benchmark
jobs:
  benchmark:
    name: Performance regression check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4.1.2
      - uses: actions/setup-go@v5 # default version of go is 1.10
        with:
          go-version: 1.22.9
      - name: Install Carvel Tools
        run: ./hack/install-deps.sh
      # Run benchmark with `go test -bench` and stores the output to a file
      - name: Setup k8s and Run benchmark
        run: |
          set -e -x
          minikube start --driver=docker
          eval $(minikube docker-env --shell=bash)

          ./hack/deploy-test.sh

          go test ./test/bench/... -bench=. | tee output.txt
      # Download previous benchmark result from cache (if exists)
      - name: Download previous benchmark data
        uses: actions/cache@v3
        with:
          path: ./cache
          key: ${{ runner.os }}-benchmark
      # Run `github-action-benchmark` action
      - name: Store benchmark result
        uses: benchmark-action/github-action-benchmark@1846227a307d8c0149b960b986d46f8f4c95db0c
        if: github.ref == 'refs/heads/develop'
        with:
          # What benchmark tool the output.txt came from
          tool: 'go'
          # Where the output from the benchmark tool is stored
          output-file-path: output.txt
          # Where the previous data file is stored
          external-data-json-path: ./cache/benchmark-data.json
          alert-threshold: '125%'
          fail-on-alert: true
          # GitHub API token to make a commit comment
          github-token: ${{ secrets.GITHUB_TOKEN }}
          # Enable alert commit comment
          comment-on-alert: true
      # I don't fully understand but the two storage options are mutually exclusive if they're in the same block
      - name: Store Result into Github Pages
        uses: benchmark-action/github-action-benchmark@1846227a307d8c0149b960b986d46f8f4c95db0c
        if: github.ref == 'refs/heads/develop'
        with:
          tool: 'go'
          output-file-path: output.txt
          github-token: ${{ secrets.GITHUB_TOKEN }}
          # Push and deploy GitHub pages branch automatically
          auto-push: true