
go-agent-development
PopulaireGo Agent 开发指南,涵盖 Agent 架构设计、心跳机制、任务执行、日志上报、升级流程、与 Dispatch 模块交互。当用户开发构建机 Agent、实现任务执行逻辑、处理 Agent 通信或进行 Go 语言开发时使用。
Go Agent 开发指南,涵盖 Agent 架构设计、心跳机制、任务执行、日志上报、升级流程、与 Dispatch 模块交互。当用户开发构建机 Agent、实现任务执行逻辑、处理 Agent 通信或进行 Go 语言开发时使用。
Go Agent 开发
Quick Reference
Go 版本:1.19+
进程组成:DevopsDaemon(守护进程) + DevopsAgent(主进程)
核心包:api/(API 调用)| config/(配置)| job/(任务)| pipeline/(流水线)
日志:logs.Debug/Info/Error/WithError
最简示例
// API 调用
func AgentStartup() (*httputil.DevopsResult, error) {
url := buildUrl("/ms/environment/api/buildAgent/agent/thirdPartyAgent/startup")
startInfo := &ThirdPartyAgentStartInfo{
HostName: systemutil.GetHostName(),
HostIp: systemutil.GetAgentIp(),
DetectOs: systemutil.GetOsName(),
MasterVersion: config.AgentVersion,
}
return httputil.NewHttpClient().Post(url).Body(startInfo, false).
SetHeaders(config.GAgentConfig.GetAuthHeaderMap()).Execute(nil).IntoDevopsResult()
}
When to Use
- 开发构建机 Agent
- 实现任务执行逻辑
- 处理 Agent 与后端通信
- 编写 Go 工具函数
When NOT to Use
- 后端 Kotlin/Java 开发 → 使用
backend-microservice-development - 调度模块业务逻辑 → 使用
dispatch-module-architecture
项目结构
src/agent/
├── agent/ # 主代理
│ └── src/pkg/
│ ├── api/ # API 调用
│ ├── config/ # 配置管理
│ ├── collector/ # 数据采集
│ ├── job/ # 任务执行
│ └── util/ # 工具函数
├── agent-slim/ # 轻量版代理
└── common/ # 通用库
命名规范
// 包命名:小写单词,不使用下划线
package api
package config
// 结构体:PascalCase
type ThirdPartyAgentStartInfo struct {
HostName string `json:"hostname"`
HostIp string `json:"hostIp"`
}
// 常量:驼峰命名
const (
KeyProjectId = "devops.project.id"
KeyAgentId = "devops.agent.id"
)
// 枚举
type BuildJobType string
const (
AllBuildType BuildJobType = "ALL"
DockerBuildType BuildJobType = "DOCKER"
)
配置管理
type AgentConfig struct {
Gateway string
ProjectId string
AgentId string
SecretKey string
ParallelTaskCount int
}
var GAgentConfig *AgentConfig
func GetGateWay() string {
return GAgentConfig.Gateway
}
错误处理
// 标准错误检查
if err != nil {
logs.WithError(err).Error("agent startup failed")
return
}
// 重试模式
for {
_, err = job.AgentStartup()
if err == nil {
break
}
logs.WithError(err).Error("retry startup")
time.Sleep(5 * time.Second)
}
// Panic 恢复
defer func() {
if err := recover(); err != nil {
logs.Error("panic recovered: ", err)
}
}()
日志规范
logs.Debug("debug message")
logs.Info("info message")
logs.Infof("formatted: %s", data)
logs.Error("error message")
logs.WithError(err).Error("with error context")
并发模式
// 启动 goroutine
go collector.Collect()
go cron.CleanJob()
// 使用 defer 清理
defer config.EBus.Unsubscribe(config.IpEvent, eBusId)
// Channel 通信
done := make(chan bool)
go func() {
// do work
done <- true
}()
<-done
HTTP 客户端
httputil.NewHttpClient().
Post(url).
Body(data, false).
SetHeaders(headers).
Execute(nil).
IntoDevopsResult()
Checklist
开发 Agent 功能前确认:
- [ ] 使用标准错误处理模式
- [ ] 添加适当的日志记录
- [ ] goroutine 有 panic 恢复
- [ ] 网络调用有重试机制
- [ ] 资源使用 defer 清理
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