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bingyi/gf

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shown d5633ebad7 fix(contrib/registry): etcd doKeepAlive does not exit even when client context done (#4669 )

Fixed #4668 

```
// client
package main

import (
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/net/gsvc"
	"github.com/gogf/gf/v2/os/gctx"

	"github.com/gogf/gf/contrib/registry/etcd/v2"
)

func main() {
	gsvc.SetRegistry(etcd.New(`etcd.etcd.orb.local:2379`))

	var (
		ctx    = gctx.New()
		client = g.Client()
	)
	client.SetDiscovery(gsvc.GetRegistry())
	res := client.GetContent(ctx, `http://hello.svc/`)
	g.Log().Info(ctx, res)
}

// server
package main

import (
	"github.com/gogf/gf/contrib/registry/etcd/v2"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/net/ghttp"
	"github.com/gogf/gf/v2/net/gsvc"
)

func main() {
	gsvc.SetRegistry(etcd.New(`etcd.etcd.orb.local:2379`))

	s := g.Server(`hello.svc`)
	s.BindHandler("/", func(r *ghttp.Request) {
		g.Log().Info(r.Context(), `request received`)
		r.Response.Write(`Hello world`)
	})
	s.Run()
}

```

```
        /Users/shown/workspace/golang/open_source/gf/contrib/registry/etcd/etcd_registrar.go:105
2. context deadline exceeded
 
Stack:
1.  github.com/gogf/gf/contrib/registry/etcd/v2.(*Registry).doKeepAlive
    /Users/shown/workspace/golang/open_source/gf/contrib/registry/etcd/etcd_registrar.go:107

{"level":"warn","ts":"2026-01-30T22:30:33.863409+0800","logger":"etcd-client","caller":"v3@v3.5.17/retry_interceptor.go:63","msg":"retrying of unary invoker failed","target":"etcd-endpoints://0x1400023a780/etcd.etcd.orb.local:2379","attempt":0,"error":"rpc error: code = DeadlineExceeded desc = latest balancer error: last connection error: connection error: desc = \"transport: Error while dialing: dial tcp 192.168.138.6:2379: connect: operation timed out\""}
2026-01-30T22:30:33.863+08:00 [ERRO] keepalive retry register failed, will retry in 2s: etcd grant failed with keepalive ttl "10s": context deadline exceeded
1. etcd grant failed with keepalive ttl "10s"
   1).  github.com/gogf/gf/contrib/registry/etcd/v2.(*Registry).doRegisterLease
        /Users/shown/workspace/golang/open_source/gf/contrib/registry/etcd/etcd_registrar.go:38
   2).  github.com/gogf/gf/contrib/registry/etcd/v2.(*Registry).doKeepAlive
        /Users/shown/workspace/golang/open_source/gf/contrib/registry/etcd/etcd_registrar.go:105
2. context deadline exceeded
 
Stack:
1.  github.com/gogf/gf/contrib/registry/etcd/v2.(*Registry).doKeepAlive
    /Users/shown/workspace/golang/open_source/gf/contrib/registry/etcd/etcd_registrar.go:107

{"level":"warn","ts":"2026-01-30T22:30:40.865971+0800","logger":"etcd-client","caller":"v3@v3.5.17/retry_interceptor.go:63","msg":"retrying of unary invoker failed","target":"etcd-endpoints://0x1400023a780/etcd.etcd.orb.local:2379","attempt":0,"error":"rpc error: code = DeadlineExceeded desc = latest balancer error: last connection error: connection error: desc = \"transport: Error while dialing: dial tcp 192.168.138.6:2379: connect: operation timed out\""}
2026-01-30T22:30:40.866+08:00 [ERRO] keepalive retry register failed, will retry in 3s: etcd grant failed with keepalive ttl "10s": context deadline exceeded
1. etcd grant failed with keepalive ttl "10s"
   1).  github.com/gogf/gf/contrib/registry/etcd/v2.(*Registry).doRegisterLease
        /Users/shown/workspace/golang/open_source/gf/contrib/registry/etcd/etcd_registrar.go:38
   2).  github.com/gogf/gf/contrib/registry/etcd/v2.(*Registry).doKeepAlive
        /Users/shown/workspace/golang/open_source/gf/contrib/registry/etcd/etcd_registrar.go:105
2. context deadline exceeded
 
Stack:
1.  github.com/gogf/gf/contrib/registry/etcd/v2.(*Registry).doKeepAlive
    /Users/shown/workspace/golang/open_source/gf/contrib/registry/etcd/etcd_registrar.go:107

2026-01-30T22:30:43.903+08:00 [DEBU] etcd put success with key "/service/default/default/hello.svc/latest/192.168.27.229:60201,192.168.139.3:60201,192.168.163.0:60201", value "{"insecure":true,"protocol":"http"}", lease "7587892536770637317"
2026-01-30T22:30:43.904+08:00 [INFO] keepalive retry register success for service "/service/default/default/hello.svc/latest/192.168.27.229:60201,192.168.139.3:60201,192.168.163.0:60201"
2026-01-30T22:30:51.385+08:00 [INFO] {e0ffad1cac888f18eed5ef7a3ba3f6d0} request received
2026-01-30T22:30:52.121+08:00 [INFO] {78ca8848ac888f18573a386e0b596eaa} request received
```

---------

Signed-off-by: yuluo-yx <yuluo08290126@gmail.com>

2026-02-11 14:37:15 +08:00