147 lines
4.1 KiB
Go
147 lines
4.1 KiB
Go
package register
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import (
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"agent-go/g"
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"agent-go/rabbitmq"
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"encoding/json"
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"fmt"
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"gopkg.in/yaml.v3"
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"io/ioutil"
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)
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var log = g.G.LOG
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var omType = g.InitOmType
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var agentServerInfo = g.G.AgentServerInfo
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func INIT() {
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// 获取系统的环境变量
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g.G.AgentServerInfo = parseAgentServerInfo()
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nacosConfig := g.G.NacosConfig
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initToServerProp := &rabbitmq.ConnectProperty{
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ExchangeName: nacosConfig.GetString("octopus.message.init_exchange"),
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QueueName: nacosConfig.GetString("octopus.message.init_to_server"),
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ExchangeType: g.QueueDirect,
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TopicKey: nacosConfig.GetString("octopus.message.init_to_server_key"),
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}
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initFromServerProp := &rabbitmq.ConnectProperty{
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ExchangeName: nacosConfig.GetString("octopus.message.init_exchange"),
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QueueName: nacosConfig.GetString("octopus.message.init_from_server"),
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ExchangeType: g.QueueDirect,
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TopicKey: nacosConfig.GetString("octopus.message.init_from_server_key"),
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}
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// 建立RabbitMQ的连接
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// defer 关闭初始化连接
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initToServer, err := rabbitmq.NewRabbitMQConn(
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initToServerProp,
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)
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if err != nil {
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log.Error("init to server queue established error!")
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panic(err)
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}
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defer rabbitmq.CloseChannel(initToServer)
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initFromServer, err := rabbitmq.NewRabbitMQConn(
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initFromServerProp,
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)
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if err != nil {
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log.Error("init from server queue established error!")
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panic(err)
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}
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defer rabbitmq.CloseChannel(initFromServer)
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// 组装OctopusMessage
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var octopusMsg *rabbitmq.OctopusMessage
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octopusMsg = octopusMsg.BuildOctopusMsg(
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omType,
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agentServerInfo,
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)
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msgBytes, err := json.Marshal(octopusMsg)
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if err != nil {
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log.Error(fmt.Sprintf("octopus message convert to json is wrong! msg is => %v", octopusMsg))
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}
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// 发送OM至MQ中O
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rabbitmq.Send(
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initToServer,
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initToServerProp,
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msgBytes,
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)
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// 监听初始化连接中的信息
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// 建立运行时RabbitMQ连接
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handleInitMsgFromServer(initFromServer, initFromServerProp, initToServer, initToServerProp)
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}
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// handleInitMsgFromServer 处理从Server接收的注册信息
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func handleInitMsgFromServer(initFromServer *rabbitmq.RabbitMQConn, initFromServerProp *rabbitmq.ConnectProperty, initToServer *rabbitmq.RabbitMQConn, initToServerProp *rabbitmq.ConnectProperty) {
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deliveries := rabbitmq.Read(initFromServer, initFromServerProp, false)
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// 同步很多抢占注册的情况
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for delivery := range deliveries {
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var om *rabbitmq.OctopusMessage
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err := json.Unmarshal(delivery.Body, &om)
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if err != nil {
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log.Error(fmt.Sprintf("parse init message from server wroong, message is => %s ",
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string(delivery.Body)))
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}
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// 处理OM信息
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if om.UUID == g.G.AgentServerInfo.AgentTopicName {
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// 是本机的注册回复信息
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// 建立运行时RabbitMQ连接
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rabbitmq.HandleOMsg(om)
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// 手动确认信息
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delivery.Ack(false)
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// 手动关闭 注册队列的连接
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shutdownRegisterQueueConnection(initFromServer, initFromServerProp, initToServer, initToServerProp)
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return
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}
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// 不是自身的 注册回复信息 -- 拒绝
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log.Warn(fmt.Sprintf("OctopusMessage INIT from server not this agent ! => %v", om))
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delivery.Nack(false, true)
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}
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}
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// shutdownRegisterQueueConnection 关闭初始化连接的两个队列
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func shutdownRegisterQueueConnection(initFromServer *rabbitmq.RabbitMQConn, initFromServerProp *rabbitmq.ConnectProperty, initToServer *rabbitmq.RabbitMQConn, initToServerProp *rabbitmq.ConnectProperty) {
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}
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func parseAgentServerInfo() *AgentServerInfo {
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// 约定文件地址为 /etc/environment.d/octopus-agent.conf
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// 目前使用
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var agentServerInfo *AgentServerInfo
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yamlFile, err := ioutil.ReadFile("C:\\Users\\wdd\\IdeaProjects\\ProjectOctopus\\agent-go\\server-env.yaml")
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if err != nil {
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panic(fmt.Errorf("failed to read YAML file: %v", err))
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}
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err = yaml.Unmarshal(yamlFile, &agentServerInfo)
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if err != nil {
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panic(fmt.Errorf("failed to unmarshal YAML: %v", err))
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}
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jsonFormat, err := json.Marshal(agentServerInfo)
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if err != nil {
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log.Error(fmt.Sprintf("agent server info convert error ! agentserverinfo is %v", agentServerInfo))
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panic(err)
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}
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log.Info(fmt.Sprintf("agent server info is %v", string(jsonFormat)))
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return agentServerInfo
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}
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