Урок 5-8: Advanced pipeline и production patterns

# Запустить только на main branch
deploy_prod:
  stage: deploy
  script:
    - ./deploy.sh production
  rules:
    - if: '$CI_COMMIT_BRANCH == "main"'

# Запустить на любом branch КРОМЕ main
test_job:
  stage: test
  script:
    - npm test
  rules:
    - if: '$CI_COMMIT_BRANCH != "main"'

# Запустить только для merge request
review_job:
  stage: test
  script:
    - echo "Code review..."
  rules:
    - if: '$CI_MERGE_REQUEST_IID'

deploy_job:
  stage: deploy
  script:
    - echo "Deploying..."
  rules:
    # На main запускаем deploy в production
    - if: '$CI_COMMIT_BRANCH == "main"'
      variables:
        DEPLOY_ENV: "production"
    # На develop запускаем deploy в staging
    - if: '$CI_COMMIT_BRANCH == "develop"'
      variables:
        DEPLOY_ENV: "staging"
    # На других branches не запускаем
    - when: never

$CI_COMMIT_BRANCH          # develop, main, test
$CI_COMMIT_SHA             # c6435860...
$CI_COMMIT_SHORT_SHA       # c6435860
$CI_PROJECT_NAME           # my-project
$CI_PROJECT_ID             # 12345
$CI_JOB_NAME               # build_job
$CI_JOB_ID                 # 98765
$CI_PIPELINE_ID            # 54321
$CI_MERGE_REQUEST_IID      # 1 (если merge request)

default:
  image: ubuntu:20.04

variables:
  LOG_FILE: "logs/${CI_COMMIT_BRANCH}-${CI_COMMIT_SHORT_SHA}.log"

build_job:
  stage: build
  script:
    - echo "Branch: $CI_COMMIT_BRANCH"
    - echo "Commit: $CI_COMMIT_SHA"
    - echo "Job: $CI_JOB_NAME"
    - echo "Pipeline: $CI_PIPELINE_ID"
    - mkdir -p logs
    - echo "Build log" > $LOG_FILE
  artifacts:
    paths:
      - logs/

test_job:
  stage: test
  script:
    - echo "Testing on $OS_NAME with $NODE_VERSION"
  parallel:
    matrix:
      - OS_NAME: ["ubuntu", "debian", "centos"]
        NODE_VERSION: ["14", "16", "18"]

# Создаст 9 jobs:
# test_job[ubuntu-14], test_job[ubuntu-16], ...
# test_job[debian-14], test_job[debian-16], ...
# test_job[centos-14], test_job[centos-16], ...

deploy_staging:
  stage: deploy
  environment:
    name: staging
    url: https://staging.example.com
    deployment_tier: staging
  script:
    - ./deploy.sh staging

deploy_production:
  stage: deploy
  environment:
    name: production
    url: https://example.com
    deployment_tier: production
  script:
    - ./deploy.sh production
  rules:
    - if: '$CI_COMMIT_BRANCH == "main"'

deploy_production:
  stage: deploy
  environment:
    name: production
  script:
    - ./deploy.sh production
  needs: ["test_job"]          # Должны пройти тесты
  rules:
    - if: '$CI_COMMIT_BRANCH == "main"'
      when: manual              # Ручной запуск только

# Современный способ - Rules
deploy_job:
  stage: deploy
  script:
    - ./deploy.sh
  rules:
    - if: '$CI_COMMIT_BRANCH == "main"'

# Старый способ - Only/Except (не рекомендуется)
# deploy_job:
#   stage: deploy
#   script:
#     - ./deploy.sh
#   only:
#     - main

default:
  before_script:
    - echo "Setting up..."
    - npm install

  after_script:
    - echo "Cleaning up..."

build_job:
  stage: build
  script:
    - npm run build
  # before_script: npm install (выполнится автоматически)
  # after_script: echo... (выполнится автоматически)

deploy_job:
  stage: deploy
  before_script:
    - apt-get update
    - apt-get install -y aws-cli
  script:
    - aws s3 sync dist s3://my-bucket
  after_script:
    - echo "Deployment complete"

flaky_test:
  stage: test
  script:
    - npm test
  retry:
    max: 2                     # Повторить максимум 2 раза
    when:
      - api_failure           # Если ошибка API
      - runner_system_failure # Если проблема runner'а

# Job будет запущен максимум 3 раза (1 + 2 retry)

long_running_test:
  stage: test
  script:
    - npm test
  timeout: 1 hour             # Максимум 1 час

deploy_production:
  stage: deploy
  script:
    - ./deploy.sh production
  when: manual               # Требует ручного запуска из UI

scheduled_job:
  stage: deploy
  script:
    - ./deploy.sh
  when: delayed
  start_in: 1 hour           # Запустить через 1 час

cleanup_job:
  stage: cleanup
  script:
    - rm -rf /tmp/*
  when: always               # Запустить в любом случае

stages:
  - build
  - test
  - deploy_dev
  - deploy_prod

variables:
  DOCKER_IMAGE: registry.gitlab.com/${CI_PROJECT_NAMESPACE}/${CI_PROJECT_NAME}

default:
  image: docker:latest
  retry:
    max: 2
    when: api_failure

build:
  stage: build
  services:
    - docker:dind
  script:
    - docker build -t ${DOCKER_IMAGE}:${CI_COMMIT_SHORT_SHA} .
    - docker push ${DOCKER_IMAGE}:${CI_COMMIT_SHORT_SHA}
  rules:
    - if: '$CI_COMMIT_BRANCH == "main" || $CI_COMMIT_BRANCH == "develop"'

test_unit:
  stage: test
  image: node:16
  script:
    - npm install
    - npm test
  artifacts:
    paths:
      - coverage/

test_integration:
  stage: test
  script:
    - docker run ${DOCKER_IMAGE}:${CI_COMMIT_SHORT_SHA} npm run test:integration

deploy_dev:
  stage: deploy_dev
  environment:
    name: development
    url: https://dev.example.com
  script:
    - ./scripts/deploy.sh development ${CI_COMMIT_SHORT_SHA}
  rules:
    - if: '$CI_COMMIT_BRANCH == "develop"'

deploy_staging:
  stage: deploy_prod
  environment:
    name: staging
    url: https://staging.example.com
  script:
    - ./scripts/deploy.sh staging ${CI_COMMIT_SHORT_SHA}
  rules:
    - if: '$CI_COMMIT_BRANCH == "main"'

deploy_production:
  stage: deploy_prod
  environment:
    name: production
    url: https://example.com
  script:
    - ./scripts/deploy.sh production ${CI_COMMIT_SHORT_SHA}
  rules:
    - if: '$CI_COMMIT_BRANCH == "main"'
      when: manual              # Требует ручного подтверждения