init code
This commit is contained in:
fish
7
api_gateway/README.md
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7
api_gateway/README.md
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sudo docker rm -f user_gateway_api && sudo docker run -itd --name user_gateway_api -v ./:/app -p 20000:80 golang:1.25.0-alpine3.22
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----
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# 格式：docker build -t 镜像名:标签 .
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sudo docker rmi -f user-gateway-api:1.0.0
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sudo docker build -t user-gateway-api:1.0.0 .
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69
api_gateway/depend.py
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69
api_gateway/depend.py
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import subprocess
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import os
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def run_command(command, check=True, shell=True):
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"""执行shell命令并返回结果，包含错误处理"""
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try:
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print(f"执行命令: {command}")
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result = subprocess.run(
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command,
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shell=shell,
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check=check,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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text=True
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)
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print(f"命令输出: {result.stdout}")
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return result
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except subprocess.CalledProcessError as e:
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print(f"命令执行失败: {e.stderr}")
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raise
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def main():
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container_name = "user_gateway_api"
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script_dir = os.path.dirname(os.path.abspath(__file__)) # 获取当前脚本所在目录
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try:
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# 1. 删除已存在的容器
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print("===== 步骤1: 删除已存在的容器 =====")
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run_command(f"sudo docker rm -f {container_name}", check=False)
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# 2. 启动新容器
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print("\n===== 步骤2: 启动新容器 =====")
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run_command(
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f"sudo docker run -itd --name {container_name} "
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f"-v {script_dir}:/app -p 20000:80 golang:1.25.0-alpine3.22"
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)
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# 3-5. 进入容器、进入app目录并执行go mod tidy（使用sh而非bash）
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print("\n===== 步骤3-5: 容器内操作 =====")
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exec_commands = (
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"cd /app && " # 进入app目录
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"echo '当前目录内容:' && ls -la && " # 新增目录检查
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"go version && " # 检查Go版本
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"go mod init user_gateway && " # 执行依赖整理
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"go mod tidy && " # 执行依赖整理
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"exit" # 退出容器
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)
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# 使用sh代替bash执行命令
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run_command(
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f"sudo docker exec -it {container_name} sh -c '{exec_commands}'"
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)
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# 7. 删除容器
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print("\n===== 步骤7: 删除容器 =====")
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run_command(f"sudo docker rm -f {container_name}")
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# 8. 删除虚悬镜像
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print("\n===== 步骤8: 清理虚悬镜像 =====")
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run_command("sudo docker images -f 'dangling=true' -q | xargs -r sudo docker rmi")
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print("\n===== 所有操作完成 =====")
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except Exception as e:
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print(f"\n操作失败: {str(e)}")
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exit(1)
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if __name__ == "__main__":
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main()
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11
api_gateway/docker-compose.gateway.yaml
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11
api_gateway/docker-compose.gateway.yaml
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services:
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user_gateway:
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image: user-gateway-api:1.0.0
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container_name: api_user_gateway
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restart: always
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ports:
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- "20000:80"
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networks:
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- user-network
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environment:
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GATEWAY_PORT: ${GATEWAY_PORT} # 引用.env变量
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38
api_gateway/dockerfile
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38
api_gateway/dockerfile
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# ==================== 第一阶段：构建Go程序（构建阶段）====================
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# 使用官方Go镜像作为构建基础，选择与项目匹配的Go版本（示例用1.25.0，可根据实际调整）
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FROM golang:1.25.0-alpine3.22 AS builder
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# 设置工作目录（容器内的目录，规范文件位置）
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WORKDIR /app
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# 复制go.mod和go.sum（先复制依赖文件，利用Docker缓存机制，避免每次代码变动都重新下载依赖）
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COPY go.mod go.sum ./
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# 下载项目依赖（仅当go.mod/go.sum变动时才会重新执行）
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RUN go mod download
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# 复制整个项目代码到工作目录
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COPY . .
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# 构建Go程序：
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# - CGO_ENABLED=0：禁用CGO，生成静态链接的二进制文件（避免依赖系统库，保证镜像兼容性）
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# - -o app：指定输出二进制文件名为app
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# - ./main.go：指定入口文件
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RUN CGO_ENABLED=0 GOOS=linux go build -o app ./main.go
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# ==================== 第二阶段：运行程序（运行阶段）====================
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# 使用轻量级的alpine镜像（仅5MB左右，大幅减小最终镜像体积）
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FROM alpine:3.19
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# 设置工作目录
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WORKDIR /app
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# 从构建阶段复制编译好的二进制文件到当前镜像（仅复制最终产物，减小体积）
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COPY --from=builder /app/app ./
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# 暴露程序运行端口（与代码中一致）
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EXPOSE 8080
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# 容器启动时执行的命令：运行二进制文件
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CMD ["./app"]
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42
api_gateway/go.mod
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42
api_gateway/go.mod
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module user_gateway
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go 1.25.0
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require (
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github.com/gin-contrib/cors v1.7.6
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github.com/gin-gonic/gin v1.11.0
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)
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require (
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github.com/bytedance/sonic v1.14.0 // indirect
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github.com/bytedance/sonic/loader v0.3.0 // indirect
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github.com/cloudwego/base64x v0.1.6 // indirect
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github.com/gabriel-vasile/mimetype v1.4.9 // indirect
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github.com/gin-contrib/sse v1.1.0 // indirect
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github.com/go-playground/locales v0.14.1 // indirect
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github.com/go-playground/universal-translator v0.18.1 // indirect
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github.com/go-playground/validator/v10 v10.27.0 // indirect
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github.com/goccy/go-json v0.10.5 // indirect
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github.com/goccy/go-yaml v1.18.0 // indirect
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github.com/json-iterator/go v1.1.12 // indirect
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github.com/klauspost/cpuid/v2 v2.3.0 // indirect
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github.com/leodido/go-urn v1.4.0 // indirect
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github.com/mattn/go-isatty v0.0.20 // indirect
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github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
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github.com/modern-go/reflect2 v1.0.2 // indirect
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github.com/pelletier/go-toml/v2 v2.2.4 // indirect
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github.com/quic-go/qpack v0.5.1 // indirect
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github.com/quic-go/quic-go v0.54.0 // indirect
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github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
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github.com/ugorji/go/codec v1.3.0 // indirect
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go.uber.org/mock v0.5.0 // indirect
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golang.org/x/arch v0.20.0 // indirect
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golang.org/x/crypto v0.40.0 // indirect
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golang.org/x/mod v0.25.0 // indirect
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golang.org/x/net v0.42.0 // indirect
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golang.org/x/sync v0.16.0 // indirect
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golang.org/x/sys v0.35.0 // indirect
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golang.org/x/text v0.27.0 // indirect
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golang.org/x/tools v0.34.0 // indirect
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google.golang.org/protobuf v1.36.9 // indirect
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)
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137
api_gateway/main.go
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137
api_gateway/main.go
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package main
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import (
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"log"
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"net/http"
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"net/http/httputil"
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"net/url"
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"os"
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"time"
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"github.com/gin-contrib/cors"
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"github.com/gin-gonic/gin"
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)
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var serviceMap = map[string]string{
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"/user/login": "http://user_login:80",
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"/user/register": "http://user_register:80",
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"/user/delete": "http://user_delete:80",
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"/user/update/account": "http://user_update_account:80",
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"/user/update/password": "http://user_update_password:80",
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}
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// 日志中间件（记录网关接收的请求）
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func loggerMiddleware() gin.HandlerFunc {
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return func(c *gin.Context) {
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startTime := time.Now()
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c.Next()
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endTime := time.Now()
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log.Printf(
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"[网关请求] %s %s | 状态码: %d | 耗时: %s | 客户端IP: %s",
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c.Request.Method,
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c.Request.URL.Path,
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c.Writer.Status(),
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endTime.Sub(startTime),
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c.ClientIP(),
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)
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}
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}
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// 反向代理处理（添加详细转发日志）
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func reverseProxy(target string) gin.HandlerFunc {
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return func(c *gin.Context) {
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// 解析目标服务地址
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targetURL, err := url.Parse(target)
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if err != nil {
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log.Printf("[代理错误] 目标服务地址解析失败: %s, 错误: %v", target, err)
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c.JSON(http.StatusInternalServerError, gin.H{
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"success": false,
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"message": "服务配置错误",
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})
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return
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}
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// 创建反向代理实例
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proxy := httputil.NewSingleHostReverseProxy(targetURL)
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// 记录转发前的请求信息
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reqStart := time.Now()
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log.Printf(
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"[开始转发] 方法: %s | 原始路径: %s | 目标服务: %s | 客户端IP: %s",
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c.Request.Method,
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c.Request.URL.Path,
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targetURL.String(),
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c.ClientIP(),
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)
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// 自定义请求转发逻辑（并记录请求头）
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originalDirector := proxy.Director
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proxy.Director = func(req *http.Request) {
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originalDirector(req)
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// 传递关键头信息
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req.Header.Set("Origin", c.Request.Header.Get("Origin"))
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req.Host = targetURL.Host
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req.Header.Set("X-Forwarded-By", "user-gateway")
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// 打印转发的请求头（调试用，生产环境可注释）
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log.Printf("[转发请求头] 目标服务: %s | Origin: %s | Host: %s",
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targetURL.Host,
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req.Header.Get("Origin"),
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req.Host,
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)
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}
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// 记录响应信息
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proxy.ModifyResponse = func(resp *http.Response) error {
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// 计算转发耗时
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proxyDuration := time.Since(reqStart)
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// 打印响应状态
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log.Printf(
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"[转发响应] 目标服务: %s | 状态码: %d | 耗时: %s | 响应头Origin: %s",
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targetURL.Host,
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resp.StatusCode,
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proxyDuration,
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resp.Header.Get("Access-Control-Allow-Origin"),
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)
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return nil
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}
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// 执行代理转发
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proxy.ServeHTTP(c.Writer, c.Request)
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}
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}
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func main() {
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r := gin.Default()
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// 注册日志中间件
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r.Use(loggerMiddleware())
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// 跨域配置
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r.Use(cors.New(cors.Config{
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AllowOrigins: []string{"*"},
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AllowMethods: []string{"GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"},
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AllowHeaders: []string{"Origin", "Content-Type", "Accept", "Authorization"},
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ExposeHeaders: []string{"Content-Length"},
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AllowCredentials: true,
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MaxAge: 12 * time.Hour,
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}))
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// 注册路由
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for path, target := range serviceMap {
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r.Any(path, reverseProxy(target))
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r.Any(path+"/*any", reverseProxy(target))
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}
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// 启动服务
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port := os.Getenv("GATEWAY_PORT")
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if port == "" {
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port = "80"
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}
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log.Printf("网关服务启动在 %s 端口", port)
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if err := r.Run(":" + port); err != nil {
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log.Fatalf("服务启动失败: %v", err)
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}
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}
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22
api_gateway/release.sh
Executable file
22
api_gateway/release.sh
Executable file
@@ -0,0 +1,22 @@
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#!/bin/bash
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set -e # 当任何命令失败时立即退出脚本
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# 定义镜像名称和标签
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IMAGE_NAME="user-gateway-api"
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IMAGE_TAG="1.0.0"
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FULL_IMAGE="${IMAGE_NAME}:${IMAGE_TAG}"
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echo "开始删除现有镜像 ${FULL_IMAGE}..."
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if sudo docker rmi -f "${FULL_IMAGE}" >/dev/null 2>&1; then
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echo "镜像 ${FULL_IMAGE} 删除成功"
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else
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echo "镜像 ${FULL_IMAGE} 不存在，跳过删除步骤"
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fi
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echo "开始构建新镜像 ${FULL_IMAGE}..."
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if sudo docker build -t "${FULL_IMAGE}" .; then
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echo "镜像 ${FULL_IMAGE} 构建成功！"
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else
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echo "错误：镜像构建失败" >&2
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exit 1
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fi
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Reference in New Issue
Block a user