296 lines
8.4 KiB
Batchfile
296 lines
8.4 KiB
Batchfile
@echo off
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REM Kubernetes 自动部署脚本 (Windows 版本)
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REM 用于从私有 Harbor 仓库拉取 NGINX 镜像并部署到 K8s 集群
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setlocal EnableDelayedExpansion
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REM 设置颜色代码（Windows 10/11 支持 ANSI 转义序列）
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set "RED=[91m"
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set "GREEN=[92m"
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set "YELLOW=[93m"
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set "BLUE=[94m"
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set "NC=[0m"
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REM 打印带颜色的信息
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:print_info
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echo %BLUE%[INFO]%NC% %~1
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goto :eof
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:print_success
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echo %GREEN%[SUCCESS]%NC% %~1
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goto :eof
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:print_warning
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echo %YELLOW%[WARNING]%NC% %~1
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goto :eof
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:print_error
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echo %RED%[ERROR]%NC% %~1
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goto :eof
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REM 检查必要的环境变量
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:check_env_vars
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call :print_info "检查环境变量..."
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set "missing_vars="
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if "%HARBOR_REGISTRY%"=="" set "missing_vars=%missing_vars% HARBOR_REGISTRY"
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if "%HARBOR_USERNAME%"=="" set "missing_vars=%missing_vars% HARBOR_USERNAME"
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if "%HARBOR_PASSWORD%"=="" set "missing_vars=%missing_vars% HARBOR_PASSWORD"
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if "%NGINX_IMAGE_TAG%"=="" set "missing_vars=%missing_vars% NGINX_IMAGE_TAG"
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if not "%missing_vars%"=="" (
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call :print_error "缺少必要的环境变量: %missing_vars%"
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echo.
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echo 请设置以下环境变量:
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echo set HARBOR_REGISTRY=^<你的Harbor仓库地址^>
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echo set HARBOR_USERNAME=^<Harbor用户名^>
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echo set HARBOR_PASSWORD=^<Harbor密码^>
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echo set NGINX_IMAGE_TAG=^<镜像标签，如: %%GITHUB_SHA%% 或 latest^>
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echo.
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echo 或者创建 .env 文件包含这些变量
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exit /b 1
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)
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call :print_success "环境变量检查通过"
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goto :eof
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REM 检查 kubectl 连接
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:check_kubectl
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call :print_info "检查 kubectl 连接..."
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kubectl version --client >nul 2>&1
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if errorlevel 1 (
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call :print_error "kubectl 未安装或不在 PATH 中"
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echo 请从 https://kubernetes.io/docs/tasks/tools/install-kubectl-windows/ 安装 kubectl
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exit /b 1
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)
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kubectl cluster-info >nul 2>&1
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if errorlevel 1 (
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call :print_error "无法连接到 Kubernetes 集群"
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echo 请确保:
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echo 1. kubectl 已正确配置
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echo 2. 能够访问 Kubernetes 集群
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echo 3. 当前用户有适当的权限
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exit /b 1
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)
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call :print_success "kubectl 连接正常"
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kubectl cluster-info --short
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goto :eof
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REM 创建命名空间（如果不存在）
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:create_namespace
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set "namespace=%~1"
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if "%namespace%"=="" set "namespace=default"
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call :print_info "检查命名空间: %namespace%"
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kubectl get namespace %namespace% >nul 2>&1
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if errorlevel 1 (
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call :print_info "创建命名空间: %namespace%"
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kubectl create namespace %namespace%
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if errorlevel 1 (
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call :print_error "创建命名空间失败"
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exit /b 1
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)
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call :print_success "命名空间 '%namespace%' 创建成功"
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) else (
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call :print_success "命名空间 '%namespace%' 已存在"
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)
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goto :eof
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REM 创建或更新 Harbor 仓库访问凭据
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:create_harbor_secret
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set "namespace=%~1"
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if "%namespace%"=="" set "namespace=default"
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call :print_info "创建/更新 Harbor 仓库访问凭据..."
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REM 删除已存在的 secret（如果存在）
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kubectl delete secret harbor-registry-secret -n %namespace% --ignore-not-found=true >nul 2>&1
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REM 创建新的 secret
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kubectl create secret docker-registry harbor-registry-secret --docker-server=%HARBOR_REGISTRY% --docker-username=%HARBOR_USERNAME% --docker-password=%HARBOR_PASSWORD% --namespace=%namespace%
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if errorlevel 1 (
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call :print_error "创建 Harbor 仓库访问凭据失败"
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exit /b 1
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)
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call :print_success "Harbor 仓库访问凭据创建成功"
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goto :eof
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REM 更新部署文件中的镜像标签
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:update_deployment_image
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set "deployment_file=%~1"
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set "image_tag=%~2"
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call :print_info "更新部署文件中的镜像标签: %image_tag%"
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set "full_image=%HARBOR_REGISTRY%/test/nginx:%image_tag%"
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REM 备份原文件
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copy "%deployment_file%" "%deployment_file%.bak" >nul
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REM 使用 PowerShell 替换镜像标签
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powershell -Command "(Get-Content '%deployment_file%') -replace '%HARBOR_REGISTRY%/test/nginx:[^\s]*', '%full_image%' | Set-Content '%deployment_file%'"
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if errorlevel 1 (
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call :print_error "更新镜像标签失败"
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exit /b 1
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)
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call :print_success "镜像标签更新为: %full_image%"
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goto :eof
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REM 应用 Kubernetes 配置
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:apply_k8s_config
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set "deployment_file=%~1"
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call :print_info "应用 Kubernetes 配置..."
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if not exist "%deployment_file%" (
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call :print_error "部署文件不存在: %deployment_file%"
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exit /b 1
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)
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kubectl apply -f "%deployment_file%"
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if errorlevel 1 (
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call :print_error "应用 Kubernetes 配置失败"
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exit /b 1
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)
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call :print_success "Kubernetes 配置应用成功"
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goto :eof
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REM 等待部署就绪
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:wait_for_deployment
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set "deployment_name=nginx-deployment"
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set "namespace=%~1"
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set "timeout=%~2"
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if "%namespace%"=="" set "namespace=default"
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if "%timeout%"=="" set "timeout=300"
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call :print_info "等待部署就绪..."
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kubectl wait --for=condition=available deployment/%deployment_name% --namespace=%namespace% --timeout=%timeout%s
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if errorlevel 1 (
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call :print_error "部署超时，请检查部署状态"
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kubectl describe deployment %deployment_name% -n %namespace%
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exit /b 1
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)
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call :print_success "部署已就绪"
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goto :eof
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REM 显示部署状态
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:show_deployment_status
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set "namespace=%~1"
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if "%namespace%"=="" set "namespace=default"
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call :print_info "部署状态:"
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echo.
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echo === Pods ===
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kubectl get pods -l app=nginx -n %namespace% -o wide
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echo.
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echo === Services ===
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kubectl get services -l app=nginx -n %namespace%
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echo.
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echo === Deployments ===
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kubectl get deployments -l app=nginx -n %namespace%
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echo.
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echo === HPA ===
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kubectl get hpa -l app=nginx -n %namespace% 2>nul || echo HPA 未启用
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echo.
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echo === Events ===
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kubectl get events --sort-by=.metadata.creationTimestamp -n %namespace% | findstr /C:"nginx"
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goto :eof
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REM 获取访问信息
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:get_access_info
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set "namespace=%~1"
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if "%namespace%"=="" set "namespace=default"
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call :print_info "获取访问信息..."
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for /f "tokens=*" %%i in ('kubectl get service nginx-service -n %namespace% -o jsonpath^="{.spec.type}"') do set "service_type=%%i"
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if "%service_type%"=="NodePort" (
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for /f "tokens=*" %%i in ('kubectl get service nginx-service -n %namespace% -o jsonpath^="{.spec.ports[0].nodePort}"') do set "node_port=%%i"
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for /f "tokens=*" %%i in ('kubectl get nodes -o jsonpath^="{.items[0].status.addresses[?(@.type==\"InternalIP\")].address}"') do set "node_ip=%%i"
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call :print_success "NodePort 访问地址: http://!node_ip!:!node_port!"
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) else if "%service_type%"=="LoadBalancer" (
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call :print_info "等待 LoadBalancer 外部 IP..."
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for /f "tokens=*" %%i in ('kubectl get service nginx-service -n %namespace% -o jsonpath^="{.status.loadBalancer.ingress[0].ip}" 2^>nul') do set "external_ip=%%i"
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if not "!external_ip!"=="" (
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call :print_success "LoadBalancer 访问地址: http://!external_ip!"
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) else (
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call :print_warning "LoadBalancer 外部 IP 仍在分配中"
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)
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) else if "%service_type%"=="ClusterIP" (
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for /f "tokens=*" %%i in ('kubectl get service nginx-service -n %namespace% -o jsonpath^="{.spec.clusterIP}"') do set "cluster_ip=%%i"
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call :print_success "ClusterIP 访问地址: http://!cluster_ip!"
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call :print_info "注意: ClusterIP 只能在集群内部访问"
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)
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goto :eof
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REM 清理函数
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:cleanup
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call :print_info "执行清理操作..."
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if exist ".\nginx-deployment.yaml.bak" (
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move ".\nginx-deployment.yaml.bak" ".\nginx-deployment.yaml" >nul
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)
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goto :eof
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REM 主函数
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:main
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call :print_info "开始 NGINX Kubernetes 自动部署..."
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REM 设置默认值
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if "%NAMESPACE%"=="" set "NAMESPACE=default"
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if "%DEPLOYMENT_FILE%"=="" set "DEPLOYMENT_FILE=.\nginx-deployment.yaml"
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if "%NGINX_IMAGE_TAG%"=="" set "NGINX_IMAGE_TAG=latest"
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REM 检查是否有 .env 文件
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if exist ".env" (
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call :print_info "加载 .env 文件..."
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for /f "usebackq tokens=1,2 delims==" %%a in (".env") do (
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set "%%a=%%b"
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)
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)
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REM 执行部署步骤
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call :check_env_vars
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if errorlevel 1 exit /b 1
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call :check_kubectl
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if errorlevel 1 exit /b 1
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call :create_namespace "%NAMESPACE%"
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if errorlevel 1 exit /b 1
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call :create_harbor_secret "%NAMESPACE%"
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if errorlevel 1 exit /b 1
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call :update_deployment_image "%DEPLOYMENT_FILE%" "%NGINX_IMAGE_TAG%"
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if errorlevel 1 exit /b 1
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call :apply_k8s_config "%DEPLOYMENT_FILE%"
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if errorlevel 1 exit /b 1
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call :wait_for_deployment "%NAMESPACE%"
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if errorlevel 1 exit /b 1
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call :show_deployment_status "%NAMESPACE%"
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call :get_access_info "%NAMESPACE%"
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call :print_success "🎉 NGINX 部署完成！"
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goto :eof
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REM 如果直接运行此脚本，执行主函数
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call :main
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call :cleanup
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