258 lines
6.7 KiB
Bash
258 lines
6.7 KiB
Bash
#!/bin/bash
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# NGINX Kubernetes 快速启动脚本
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# 用于快速设置和部署 NGINX 到 Kubernetes
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set -e
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# 颜色输出
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m'
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print_banner() {
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echo -e "${BLUE}"
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echo "╔════════════════════════════════════════════════════════════════╗"
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echo "║ NGINX Kubernetes 部署工具 ║"
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echo "║ 快速启动和配置向导 ║"
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echo "╚════════════════════════════════════════════════════════════════╝"
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echo -e "${NC}"
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}
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print_info() {
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echo -e "${BLUE}[INFO]${NC} $1"
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}
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print_success() {
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echo -e "${GREEN}[SUCCESS]${NC} $1"
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}
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print_warning() {
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echo -e "${YELLOW}[WARNING]${NC} $1"
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}
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print_error() {
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echo -e "${RED}[ERROR]${NC} $1"
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}
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# 交互式配置收集
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collect_config() {
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print_info "开始收集配置信息..."
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echo
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# Harbor 配置
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read -p "$(echo -e ${BLUE}请输入 Harbor 仓库地址${NC} (例: harbor.example.com): " HARBOR_REGISTRY
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read -p "$(echo -e ${BLUE}请输入 Harbor 用户名${NC}: " HARBOR_USERNAME
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read -s -p "$(echo -e ${BLUE}请输入 Harbor 密码${NC}: " HARBOR_PASSWORD
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echo
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# 镜像配置
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read -p "$(echo -e ${BLUE}请输入镜像标签${NC} (默认: latest): " NGINX_IMAGE_TAG
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NGINX_IMAGE_TAG=${NGINX_IMAGE_TAG:-latest}
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# Kubernetes 配置
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read -p "$(echo -e ${BLUE}请输入 Kubernetes 命名空间${NC} (默认: default): " NAMESPACE
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NAMESPACE=${NAMESPACE:-default}
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echo
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print_success "配置收集完成"
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}
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# 验证配置
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validate_config() {
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print_info "验证配置..."
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if [[ -z "$HARBOR_REGISTRY" ]]; then
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print_error "Harbor 仓库地址不能为空"
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return 1
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fi
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if [[ -z "$HARBOR_USERNAME" ]]; then
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print_error "Harbor 用户名不能为空"
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return 1
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fi
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if [[ -z "$HARBOR_PASSWORD" ]]; then
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print_error "Harbor 密码不能为空"
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return 1
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fi
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print_success "配置验证通过"
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}
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# 保存配置到环境文件
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save_config() {
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print_info "保存配置到 .env 文件..."
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cat > .env << EOF
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# NGINX Kubernetes 部署配置
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# 由快速启动脚本生成于 $(date)
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# Harbor 仓库配置
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HARBOR_REGISTRY=$HARBOR_REGISTRY
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HARBOR_USERNAME=$HARBOR_USERNAME
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HARBOR_PASSWORD=$HARBOR_PASSWORD
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# 镜像配置
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NGINX_IMAGE_TAG=$NGINX_IMAGE_TAG
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# Kubernetes 配置
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NAMESPACE=$NAMESPACE
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DEPLOYMENT_FILE=./nginx-deployment.yaml
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EOF
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print_success "配置已保存到 .env 文件"
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}
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# 显示配置摘要
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show_config_summary() {
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echo
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print_info "配置摘要:"
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echo " Harbor 仓库: $HARBOR_REGISTRY"
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echo " Harbor 用户: $HARBOR_USERNAME"
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echo " 镜像标签: $NGINX_IMAGE_TAG"
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echo " 命名空间: $NAMESPACE"
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echo " 完整镜像地址: $HARBOR_REGISTRY/test/nginx:$NGINX_IMAGE_TAG"
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echo
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}
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# 检查先决条件
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check_prerequisites() {
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print_info "检查先决条件..."
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local missing_tools=()
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# 检查 kubectl
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if ! command -v kubectl &> /dev/null; then
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missing_tools+=("kubectl")
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fi
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# 检查 docker (可选)
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if ! command -v docker &> /dev/null; then
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print_warning "Docker 未安装 (可选)"
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fi
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if [[ ${#missing_tools[@]} -gt 0 ]]; then
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print_error "缺少必要工具: ${missing_tools[*]}"
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echo "请安装缺少的工具后重试"
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return 1
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fi
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# 检查 kubectl 连接
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if ! kubectl cluster-info &> /dev/null; then
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print_error "无法连接到 Kubernetes 集群"
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echo "请确保 kubectl 已正确配置并能访问集群"
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return 1
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fi
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print_success "先决条件检查通过"
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}
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# 测试 Harbor 连接
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test_harbor_connection() {
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print_info "测试 Harbor 连接..."
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if command -v docker &> /dev/null; then
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if echo "$HARBOR_PASSWORD" | docker login "$HARBOR_REGISTRY" -u "$HARBOR_USERNAME" --password-stdin &> /dev/null; then
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print_success "Harbor 连接测试通过"
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docker logout "$HARBOR_REGISTRY" &> /dev/null
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else
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print_warning "Harbor 连接测试失败，请检查凭据"
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fi
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else
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print_warning "Docker 未安装，跳过 Harbor 连接测试"
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fi
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}
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# 运行部署
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run_deployment() {
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print_info "开始部署..."
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# 导出环境变量
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export HARBOR_REGISTRY
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export HARBOR_USERNAME
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export HARBOR_PASSWORD
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export NGINX_IMAGE_TAG
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export NAMESPACE
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# 运行部署脚本
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if [[ -f "deploy.sh" ]]; then
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chmod +x deploy.sh
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./deploy.sh
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else
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print_error "部署脚本 deploy.sh 不存在"
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return 1
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fi
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}
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# 提供后续操作建议
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show_next_steps() {
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echo
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print_success "🎉 部署完成！"
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echo
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print_info "后续操作建议:"
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echo " 1. 查看部署状态: make status"
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echo " 2. 查看日志: make logs"
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echo " 3. 设置端口转发: make port-forward"
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echo " 4. 扩缩容: make scale REPLICAS=5"
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echo " 5. 更新镜像: make update NGINX_IMAGE_TAG=new-version"
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echo " 6. 清理部署: make clean"
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echo
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print_info "配置文件已保存到 .env，下次可以直接运行 ./deploy.sh"
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}
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# 主函数
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main() {
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print_banner
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# 检查是否已有配置文件
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if [[ -f ".env" ]]; then
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read -p "$(echo -e ${YELLOW}发现已存在配置文件 .env，是否重新配置？${NC} (y/N): " RECONFIGURE
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if [[ "$RECONFIGURE" =~ ^[Yy]$ ]]; then
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collect_config
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else
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print_info "使用现有配置文件..."
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source .env
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fi
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else
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collect_config
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fi
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validate_config || exit 1
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show_config_summary
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# 询问是否继续
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read -p "$(echo -e ${YELLOW}是否继续部署？${NC} (Y/n): " CONTINUE
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if [[ "$CONTINUE" =~ ^[Nn]$ ]]; then
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print_info "部署已取消"
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save_config
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echo "配置已保存，可以稍后运行 ./deploy.sh 进行部署"
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exit 0
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fi
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check_prerequisites || exit 1
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test_harbor_connection
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save_config
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run_deployment
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show_next_steps
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}
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# 清理函数
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cleanup() {
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# 恢复终端状态
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stty echo 2>/dev/null || true
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}
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# 设置清理陷阱
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trap cleanup EXIT
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# 处理中断信号
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trap 'print_warning "操作被中断"; exit 130' INT
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# 如果直接运行此脚本
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if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
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main "$@"
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fi
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