82 lines
3.3 KiB
YAML
82 lines
3.3 KiB
YAML
# .github/workflows/ci-cd.yml
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name: CI - Build and Push Docker Image & Update Helm Chart
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# 当有代码推送到 main 分支时触发此工作流
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on:
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push:
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branches: [ "main" ]
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jobs:
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build-and-deploy:
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runs-on: ubuntu-latest # 使用最新的 Ubuntu 运行环境
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steps:
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# 步骤 1: 检出你的代码
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# 使用 actions/checkout@v4 来获取仓库代码
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- name: Checkout repository
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uses: actions/checkout@v4
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# 为了能推送回git仓库，我们需要获取提交的权限
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# GITHUB_TOKEN 是由 GitHub 自动生成的，你需要在仓库设置中给予它写权限
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with:
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token: ${{ secrets.GITHUB_TOKEN }}
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# 步骤 2: 登录到 Docker Hub
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# 使用 docker/login-action，它会安全地处理你的凭据
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- name: Log in to Docker Hub
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uses: docker/login-action@v3
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with:
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username: ${{ secrets.DOCKER_USERNAME }}
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password: ${{ secrets.DOCKER_PASSWORD }}
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# 步骤 3: 设置 Docker Buildx
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# 这是 docker/build-push-action 的推荐设置
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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# 步骤 4: 构建并推送 Docker 镜像
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# 这个 Action 会将构建和推送合并为一步
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# 我们使用 github.sha (当前提交的SHA值) 作为镜像标签，这是最佳实践，保证了标签的唯一性和可追溯性
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- name: Build and push Docker image
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id: build-and-push
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uses: docker/build-push-action@v5
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with:
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context: . # Dockerfile 所在的上下文路径
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file: ./Dockerfile # Dockerfile 的路径 (如果不是默认名)
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push: true # 确认要推送
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tags: ${{ secrets.DOCKER_REGISTRY_URL }}/mark_word_fastapi:${{ github.sha }}, ${{ secrets.DOCKER_REGISTRY_URL }}/mark_word_fastapi:latest
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# 步骤 5: 更新 Helm values.yaml 文件
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- name: Update Helm values file
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# 这个复合步骤包含了安装yq、修改文件、配置git和提交推送的所有操作
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run: |
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# 定义新镜像的标签为当前 commit SHA
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IMAGE_TAG=${{ github.sha }}
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echo "New image tag is: $IMAGE_TAG"
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# 1. 安装 yq 工具 (使用社区提供的 Action 会更简洁，但这里为了和您的脚本保持一致，采用手动安装)
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echo "Installing yq..."
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sudo wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/local/bin/yq
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sudo chmod +x /usr/local/bin/yq
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yq --version
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# 2. 使用 yq 更新 values.yaml
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echo "Updating Helm chart values..."
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yq e '.image.tag = "'$IMAGE_TAG'"' -i kubernetes/mark-word-fastapi-chart/values.yaml
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# 3. 配置 Git 用户信息
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echo "Configuring Git..."
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git config user.name "GitHub Actions"
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git config user.email "actions@github.com"
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# 4. 提交并推送变更
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echo "Committing and pushing changes..."
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git add kubernetes/mark-word-fastapi-chart/values.yaml
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# 检查是否有文件变更，避免在没有变更时创建空的 commit
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if ! git diff --staged --quiet; then
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git commit -m "CI: Update image tag to ${IMAGE_TAG}"
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git push
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else
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echo "No changes to commit."
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fi |