Performance Testing กับ
JMeter และ
GitLab CI/CD

# JMeter & GitLab CI/CD Complete Example
image: "apache/jmeter:latest"

stages:
  - build
  - test
  - report
  - deploy

variables:
  APP_NAME: "my-api"
  TEST_ENV: "https://test.example.com"
  JMX_PATH: "tests/api_test.jmx"
  RESULTS_DIR: "results"

before_script:
  - echo "Setting up environment..."
  - mkdir -p $RESULTS_DIR
  - echo "Environment: $CI_ENVIRONMENT_NAME"

build:
  stage: build
  script:
    - echo "Building application..."
    - ./gradlew build
  artifacts:
    paths:
      - build/
  rules:
    - if: $CI_COMMIT_BRANCH

performance_test:
  stage: test
  script:
    - echo "Running JMeter performance test..."
    - jmeter -n -t $JMX_PATH
      -Jtest.url=$TEST_ENV
      -Jnum.threads=50
      -Jduration=120
      -l $RESULTS_DIR/performance.jtl
    - echo "Test completed successfully"
  artifacts:
    paths:
      - $RESULTS_DIR/
    expire_in: 2 weeks
  rules:
    - if: $CI_COMMIT_BRANCH == "develop"
    - if: $CI_COMMIT_BRANCH == "main"

generate_report:
  stage: report
  script:
    - echo "Generating HTML report..."
    - jmeter -g $RESULTS_DIR/performance.jtl
      -o $RESULTS_DIR/html_report
    - echo "Report URL: $CI_WEB_ENV_URL/html_report"
    - cat $RESULTS_DIR/html_report/index.html | grep -oP '<title>[^<]+</title>'
  dependencies:
    - performance_test
  artifacts:
    paths:
      - $RESULTS_DIR/html_report/
    expire_in: 1 month
  rules:
    - if: $CI_COMMIT_BRANCH == "develop"
    - if: $CI_COMMIT_BRANCH == "main"

deploy_to_staging:
  stage: deploy
  script:
    - echo "Deploying to staging..."
    - ./deploy.sh staging
  environment:
    name: staging
    url: https://staging.example.com
  only:
    - develop

deploy_to_prod:
  stage: deploy
  script:
    - echo "Deploying to production..."
    - ./deploy.sh prod
  environment:
    name: production
    url: https://www.example.com
  only:
    - main
  when: manual