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方案概述

本方案实现在GitLab CI/CD中根据不同人员的权限级别执行不同的流水线步骤，主要基于GitLab的以下特性：

• rules 条件判断
• variables 变量传递
• only/except 条件限制
• 用户权限API查询

基础权限模型设计

1. 用户角色定义

角色	描述	对应GitLab权限
Developer	普通开发人员	Developer
Maintainer	项目维护者	Maintainer
Owner	项目所有者	Owner
Auditor	审计人员	Reporter

2. 权限与流水线阶段对应关系

流水线阶段	Developer	Maintainer	Owner	Auditor
build	✓	✓	✓	✓
test	✓	✓	✓	✓
staging	✗	✓	✓	✓
production	✗	✗	✓	✗
audit	✗	✗	✗	✓

实现方案

1. 基于分支保护的方案

stages:- build- test- staging- production- auditbuild:stage: buildscript: echo "Building..."rules:- if: '$CI_PIPELINE_SOURCE == "push"'test:stage: testscript: echo "Testing..."rules:- if: '$CI_PIPELINE_SOURCE == "push"'staging:stage: stagingscript: echo "Deploying to staging..."rules:- if: '$CI_COMMITTER_ACCESS_LEVEL >= 40' # Maintainer及以上- if: '$CI_DEPLOY_USER_ACCESS_LEVEL >= 40'production:stage: productionscript: echo "Deploying to production..."rules:- if: '$CI_COMMITTER_ACCESS_LEVEL == 50' # Only Owner- if: '$CI_DEPLOY_USER_ACCESS_LEVEL == 50'audit:stage: auditscript: echo "Running audit..."rules:- if: '$CI_COMMITTER_ACCESS_LEVEL == 20' # Reporter- if: '$CI_DEPLOY_USER_ACCESS_LEVEL == 20'

2. 基于自定义变量的方案（更灵活）

variables:# 通过API获取用户权限级别USER_ACCESS_LEVEL: $(curl --header "PRIVATE-TOKEN: $CI_JOB_TOKEN" \"$CI_API_V4_URL/projects/$CI_PROJECT_ID/members/$GITLAB_USER_ID" | \jq '.access_level')stages:- build- test- staging- production- audit.job_template: &job_settingsinterruptible: truetags:- dockerbuild:<<: *job_settingsstage: buildscript: echo "Building..."rules:- if: '$USER_ACCESS_LEVEL >= 30' # Developer+test:<<: *job_settingsstage: testscript: echo "Testing..."rules:- if: '$USER_ACCESS_LEVEL >= 30' # Developer+staging:<<: *job_settingsstage: stagingscript: echo "Deploying to staging..."rules:- if: '$USER_ACCESS_LEVEL >= 40' # Maintainer+production:<<: *job_settingsstage: productionscript: echo "Deploying to production..."rules:- if: '$USER_ACCESS_LEVEL == 50' # Owner only- when: manualaudit:<<: *job_settingsstage: auditscript: echo "Running audit..."rules:- if: '$USER_ACCESS_LEVEL == 20' # Reporter only

3. 基于分支+角色的混合方案

stages:- pre-build- build- test- deploypre-build:stage: pre-buildscript:- |# 根据用户权限设置变量if [ $CI_COMMITTER_ACCESS_LEVEL -ge 40 ]; thenecho "DEPLOY_ENV=staging" >> deploy.envfiif [ $CI_COMMITTER_ACCESS_LEVEL -eq 50 ]; thenecho "DEPLOY_ENV=production" >> deploy.envfiartifacts:reports:dotenv: deploy.envbuild:stage: buildscript: echo "Building..."rules:- if: '$CI_PIPELINE_SOURCE == "push"'test:stage: testscript: echo "Testing..."rules:- if: '$CI_PIPELINE_SOURCE == "push"'deploy-staging:stage: deployscript: echo "Deploying to staging..."rules:- if: '$DEPLOY_ENV == "staging"'needs: ["pre-build"]deploy-production:stage: deployscript: echo "Deploying to production..."rules:- if: '$DEPLOY_ENV == "production"'- when: manualneeds: ["pre-build"]

高级控制方案

1. 使用项目变量控制

1. 在GitLab项目设置中创建变量：

   • PROD_DEPLOY_GROUPS = “owner-group”
   • STAGING_DEPLOY_GROUPS = “maintainer-group,owner-group”

2. 在.gitlab-ci.yml中：

deploy-prod:stage: deployscript: ./deploy-prod.shrules:- if: '$CI_COMMITTER_ACCESS_LEVEL == 50 || $CI_USER_GROUP =~ $PROD_DEPLOY_GROUPS'- when: manual

2. 使用外部权限服务

deploy:stage: deploybefore_script:- |ACCESS_LEVEL=$(curl -s "https://auth-service.example.com/check?user=$GITLAB_USER_LOGIN&project=$CI_PROJECT_ID")export DEPLOY_ACCESS=$ACCESS_LEVELscript:- |if [ "$DEPLOY_ACCESS" == "prod" ]; then./deploy-prod.shelif [ "$DEPLOY_ACCESS" == "stage" ]; then./deploy-stage.shelseecho "No deploy permission"exit 1firules:- if: '$CI_PIPELINE_SOURCE == "web" || $CI_PIPELINE_SOURCE == "api"'

最佳实践建议

1. 权限验证双重检查：

   • 前端通过.gitlab-ci.yml限制
   • 后端在实际部署脚本中再次验证

2. 审计日志：

   after_script:- |echo "$(date): $GITLAB_USER_EMAIL ran $CI_JOB_NAME" >> /var/log/ci_audit.log
   

3. 紧急覆盖机制：

   deploy-emergency:stage: deployscript: ./deploy-prod.shrules:- if: '$CI_EMERGENCY_DEPLOY == "true" && $CI_COMMITTER_ACCESS_LEVEL >= 40'- when: never
   

4. 权限矩阵可视化：

   • 在项目README中维护权限矩阵表
   • 使用CI Lint工具验证规则

注意事项

1. 敏感操作(如生产部署)建议始终保留when: manual作为最后保障
2. CI_COMMITTER_ACCESS_LEVEL在合并请求流水线中可能不可用，需使用CI_MERGE_REQUEST_SOURCE_BRANCH_SHA
3. 对于fork的项目，需要特别处理权限检查
4. 缓存和artifacts在不同权限的job之间共享时要注意安全

调试技巧

1. 添加调试job查看权限信息：

   show-info:stage: .prescript:- echo "User: $GITLAB_USER_LOGIN"- echo "Access level: $CI_COMMITTER_ACCESS_LEVEL"- echo "Groups: $CI_USER_GROUPS"rules:- when: always
   

2. 使用CI Lint工具测试规则逻辑

3. 查看流水线变量的实际值：

   curl --header "PRIVATE-TOKEN: <your-token>" "https://gitlab.example.com/api/v4/projects/$CI_PROJECT_ID/pipelines/$CI_PIPELINE_ID/variables"