更新了一下mq绑定队列名,使用os.hostname
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@@ -1,10 +1,12 @@
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package rabbitmq
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import (
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"context"
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"fmt"
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"os"
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"sync"
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"github.com/gogf/gf/v2/frame/g"
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"github.com/gogf/gf/v2/util/guid"
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)
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@@ -14,19 +16,35 @@ var (
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)
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// getInstanceId 获取当前实例的唯一标识(单例)
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// 格式:{hostname}.{uuid8}
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// 优先级:配置文件 > 环境变量 > 容器名/主机名 > 随机UUID
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func getInstanceId() string {
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instanceOnce.Do(func() {
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// 获取主机名
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ctx := context.Background()
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// 1. 优先从配置文件读取(手动指定,最高优先级)
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instanceId = g.Cfg().MustGet(ctx, "rabbitmq.instanceName").String()
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if instanceId != "" {
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return
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}
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// 2. 读取环境变量(Docker/K8s部署时设置)
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instanceId = os.Getenv("INSTANCE_NAME")
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if instanceId != "" {
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return
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}
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// 3. 使用主机名(Docker容器名/主机名)
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hostname, err := os.Hostname()
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if err != nil || hostname == "" {
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hostname = "unknown"
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}
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// 生成8位UUID
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uuid := guid.S()[:8]
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instanceId = fmt.Sprintf("%s.%s", hostname, uuid)
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// 4. 如果主机名是默认值(本地开发),添加随机后缀避免冲突
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if hostname == "localhost" || hostname == "unknown" {
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instanceId = hostname + "." + guid.S()[:4]
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} else {
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instanceId = hostname
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}
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})
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return instanceId
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}
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