#!/bin/bash

# Nginx 配置迁移到 K3s + Traefik 部署脚本
# tags: kubernetes, k3s, traefik, deployment, automation
# description: 自动部署外部服务和 IngressRoute 配置的脚本
# title: 自动部署脚本
# createdAt: 2025-11-26

set -e

echo "======================================"
echo "Nginx 配置迁移到 K3s + Traefik"
echo "======================================"
echo ""

# 颜色定义
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
NC='\033[0m' # No Color

# 检查 kubectl
if ! command -v kubectl &> /dev/null; then
    echo -e "${RED}错误: kubectl 未安装${NC}"
    exit 1
fi

# 检查 Traefik
echo -e "${YELLOW}步骤 1/4: 检查 Traefik 部署状态...${NC}"
if ! kubectl get namespace traefik &> /dev/null; then
    echo -e "${YELLOW}Traefik namespace 不存在，正在创建...${NC}"
    kubectl create namespace traefik
fi

if ! kubectl get deployment traefik -n traefik &> /dev/null; then
    echo -e "${YELLOW}Traefik 未部署，正在部署...${NC}"
    kubectl apply -f traefik/traefik-complete.yaml
    echo -e "${GREEN}等待 Traefik Pod 就绪...${NC}"
    kubectl wait --for=condition=ready pod -l app=traefik -n traefik --timeout=120s
else
    echo -e "${GREEN}✓ Traefik 已部署${NC}"
fi

# 部署外部服务
echo ""
echo -e "${YELLOW}步骤 2/4: 部署外部服务配置...${NC}"
kubectl apply -f services/external-services.yaml
echo -e "${GREEN}✓ 外部服务配置已应用${NC}"

# 验证服务
echo ""
echo -e "${YELLOW}步骤 3/4: 验证服务创建...${NC}"
sleep 2
SERVICE_COUNT=$(kubectl get svc -n default | grep -c "external" || true)
ENDPOINT_COUNT=$(kubectl get endpoints -n default | grep -c "external" || true)
echo -e "${GREEN}✓ 创建了 ${SERVICE_COUNT} 个服务${NC}"
echo -e "${GREEN}✓ 创建了 ${ENDPOINT_COUNT} 个 Endpoints${NC}"

# 部署 IngressRoute
echo ""
echo -e "${YELLOW}步骤 4/4: 部署 IngressRoute 配置...${NC}"
kubectl apply -f ingress/apps-ingressroute.yaml
sleep 2
ROUTE_COUNT=$(kubectl get ingressroute -n default 2>/dev/null | grep -c "https" || true)
echo -e "${GREEN}✓ 创建了 ${ROUTE_COUNT} 个 IngressRoute${NC}"

# 显示结果
echo ""
echo -e "${GREEN}======================================"
echo "部署完成！"
echo "======================================${NC}"
echo ""
echo "已部署的服务："
kubectl get svc -n default | grep external || echo "无"
echo ""
echo "已部署的 IngressRoute："
kubectl get ingressroute -n default || echo "无"
echo ""
echo -e "${YELLOW}提示：${NC}"
echo "1. 查看 Traefik Dashboard:"
echo "   kubectl port-forward svc/traefik 8080:8080 -n traefik"
echo "   然后访问 http://localhost:8080/dashboard/"
echo ""
echo "2. 查看 Traefik 日志:"
echo "   kubectl logs -n traefik -l app=traefik -f"
echo ""
echo "3. 测试服务访问:"
echo "   curl -k https://blinko.xiongxiao.me"
echo ""
echo "4. 确保 DNS 已配置正确，将域名指向 Traefik 的 NodePort (30443)"
echo ""