Benchmark tests workflow (#4144)

Co-authored-by: Marc Pichler <marc.pichler@dynatrace.com>

.github/workflows/benchmark.yml

@@ -0,0 +1,63 @@
+name: Benchmark Tests
+
+on:
+ push:
+ branches: [ main ]
+
+jobs:
+ benchmark-tests:
+ strategy:
+ fail-fast: false
+ matrix:
+ node_version:
+ - "18"
+ runs-on: self-hosted
+ timeout-minutes: 10
+ env:
+ NPM_CONFIG_UNSAFE_PERM: true
+ steps:
+ - name: Checkout
+ uses: actions/checkout@v3
+
+ - uses: actions/setup-node@v3
+ with:
+ node-version: ${{ matrix.node_version }}
+
+ - run: npm install -g npm@latest
+
+ - name: restore lerna
+ id: cache
+ uses: actions/cache@v3
+ with:
+ path: |
+ node_modules
+ package-lock.json
+ packages/*/node_modules
+ packages/*/package-lock.json
+ experimental/packages/*/node_modules
+ experimental/packages/*/package-lock.json
+ key: node-tests-${{ runner.os }}-${{ matrix.node_version }}-${{ hashFiles('package.json', 'packages/*/package.json', 'experimental/packages/*/package.json') }}-04292022
+
+ - name: Bootstrap
+ run: |
+ npm install --ignore-scripts
+ npx lerna bootstrap --no-ci --hoist --nohoist='zone.js' --ignore @opentelemetry/selenium-tests
+
+ - name: Build 🔧
+ run: |
+ npm run compile
+
+ - name: Benchmark tests
+ run: |
+ npm run test:bench
+ find . -name benchmarks.txt -exec cat {} + > combined_benchmarks.txt
+
+ - name: Store benchmark results
+ uses: benchmark-action/github-action-benchmark@v1
+ with:
+ tool: 'benchmarkjs'
+ output-file-path: combined_benchmarks.txt
+ gh-pages-branch: gh-pages
+ github-token: ${{ secrets.GITHUB_TOKEN }}
+ benchmark-data-dir-path: "benchmarks"
+ auto-push: true

CHANGELOG.md

@@ -24,6 +24,7 @@ For experimental package changes, see the [experimental CHANGELOG](experimental/
 ### :house: (Internal)
 
 * test: added a performance benchmark test for span creation [#4105](https://github.com/open-telemetry/opentelemetry-js/pull/4105)
+* test: added a workflow to run performance benchmark tests automatically [#4144](https://github.com/open-telemetry/opentelemetry-js/pull/4144)
 
 ## 1.17.0