test: add nacos test (#1603)

* add test

* upgrade nacos sdk version

* upgrade nacos sdk version

* fix test

* github nacos instance

* config test

* fix lint

* fix test

* go mod

* fix lint

* lint

.github/workflows/go.yml

@@ -25,10 +25,15 @@ jobs:
         image: consul:latest
         ports:
           - 8500:8500
-
+      nacos:
+        image: nacos/nacos-server:latest
+        env:
+          MODE: standalone
+        ports:
+          - "8848:8848"
+          - "9848:9848"
     steps:
       - uses: actions/checkout@v2
-
       - name: Set up Go
         uses: actions/setup-go@v2
         with:

contrib/config/consul/README.md

@@ -0,0 +1,36 @@
+# Consul Config
+
+```go
+import (
+	kconfig "github.com/go-kratos/kratos/v2/config"
+	"github.com/nacos-group/nacos-sdk-go/clients"
+	"github.com/nacos-group/nacos-sdk-go/common/constant"
+)
+
+
+sc := []constant.ServerConfig{
+	*constant.NewServerConfig("127.0.0.1", 8848),
+}
+
+cc := &constant.ClientConfig{
+	NamespaceId:         "public", //namespace id
+	TimeoutMs:           5000,
+	NotLoadCacheAtStart: true,
+	LogDir:              "/tmp/nacos/log",
+	CacheDir:            "/tmp/nacos/cache",
+	RotateTime:          "1h",
+	MaxAge:              3,
+	LogLevel:            "debug",
+}
+
+// a more graceful way to create naming client
+client, err := clients.NewNamingClient(
+	vo.NacosClientParam{
+		ClientConfig:  cc,
+		ServerConfigs: sc,
+	},
+)
+if err != nil {
+	log.Panic(err)
+}
+```

contrib/config/kubernetes/README.md

@@ -1,14 +1,13 @@
-# kube
+# Kubernetes Config
-Kubernetes is a service discovery.
 
-### kube集群内部署
+### Usage in the Kubernates Cluster
-集群内部署需要权限
+It is required to 
-kubectl执行
+> serviceaccount should be set to the actual account of your environment, the default account will be `namespace::default` if the `spec.serviceAccount` is unset. 
-> serviceaccount 请调整为实际环境account。在未指定spec.serviceAccount情况下默认为namespace::default
+execute this command:
 ```
 kubectl create clusterrolebinding go-kratos:kube --clusterrole=view --serviceaccount=mesh:default
 ```
-或者 kubect apply -f bind-role.yaml
+or use `kubect apply -f bind-role.yaml`
 ```yaml
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding
@@ -24,8 +23,8 @@ subjects:
   namespace: mesh
 ```
 
-### 集群外运行
+### Usage outside the Kubernates Cluster
-> 指定 .kube 文件访问
+Set the path `~/.kube/config` to KubeConfig
 ```go
     config.NewSource(SourceOption{
 		Namespace:     "mesh",

contrib/config/nacos/README.md

@@ -0,0 +1,36 @@
+# Nacos Config
+
+```go
+import (
+	kconfig "github.com/go-kratos/kratos/v2/config"
+	"github.com/nacos-group/nacos-sdk-go/clients"
+	"github.com/nacos-group/nacos-sdk-go/common/constant"
+)
+
+
+sc := []constant.ServerConfig{
+	*constant.NewServerConfig("127.0.0.1", 8848),
+}
+
+cc := &constant.ClientConfig{
+	NamespaceId:         "public", //namespace id
+	TimeoutMs:           5000,
+	NotLoadCacheAtStart: true,
+	LogDir:              "/tmp/nacos/log",
+	CacheDir:            "/tmp/nacos/cache",
+	RotateTime:          "1h",
+	MaxAge:              3,
+	LogLevel:            "debug",
+}
+
+// a more graceful way to create naming client
+client, err := clients.NewNamingClient(
+	vo.NacosClientParam{
+		ClientConfig:  cc,
+		ServerConfigs: sc,
+	},
+)
+if err != nil {
+	log.Panic(err)
+}
+```

contrib/config/nacos/config_test.go

@@ -0,0 +1,108 @@
+package config
+
+import (
+	"fmt"
+	"net"
+	"testing"
+	"time"
+
+	kconfig "github.com/go-kratos/kratos/v2/config"
+	"github.com/nacos-group/nacos-sdk-go/clients"
+	"github.com/nacos-group/nacos-sdk-go/common/constant"
+	"github.com/nacos-group/nacos-sdk-go/vo"
+	"gopkg.in/yaml.v3"
+)
+
+func getIntranetIP() string {
+	addrs, err := net.InterfaceAddrs()
+	if err != nil {
+		return "127.0.0.1"
+	}
+
+	for _, address := range addrs {
+		if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
+			if ipnet.IP.To4() != nil {
+				return ipnet.IP.String()
+			}
+		}
+	}
+	return "127.0.0.1"
+}
+
+func TestGetConfig(t *testing.T) {
+	ip := getIntranetIP()
+	// ctx := context.Background()
+
+	sc := []constant.ServerConfig{
+		*constant.NewServerConfig(ip, 8848),
+	}
+
+	cc := constant.ClientConfig{
+		TimeoutMs:           5000,
+		NotLoadCacheAtStart: true,
+		LogDir:              "/tmp/nacos/log",
+		CacheDir:            "/tmp/nacos/cache",
+		RotateTime:          "1h",
+		MaxAge:              3,
+		LogLevel:            "debug",
+	}
+
+	// a more graceful way to create naming client
+	client, err := clients.NewConfigClient(
+		vo.NacosClientParam{
+			ClientConfig:  &cc,
+			ServerConfigs: sc,
+		},
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	dataID := "test.yaml"
+	group := "test"
+	_, err = client.PublishConfig(vo.ConfigParam{DataId: dataID, Group: group, Content: `
+logger:
+  level: info
+`})
+	if err != nil {
+		t.Fatal(err)
+	}
+	time.Sleep(1 * time.Second)
+	c := kconfig.New(
+		kconfig.WithSource(
+			NewConfigSource(client, WithGroup(group), WithDataID(dataID)),
+		),
+		kconfig.WithDecoder(func(kv *kconfig.KeyValue, v map[string]interface{}) error {
+			return yaml.Unmarshal(kv.Value, v)
+		}),
+	)
+
+	if err = c.Load(); err != nil {
+		t.Fatal(err)
+	}
+
+	name, err := c.Value("logger.level").String()
+	if err != nil {
+		t.Fatal(err)
+	}
+	fmt.Println("get value", name)
+
+	done := make(chan bool)
+	err = c.Watch("logger.level", func(key string, value kconfig.Value) {
+		fmt.Println(key, " value change", value)
+		done <- true
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = client.PublishConfig(vo.ConfigParam{DataId: dataID, Group: group, Content: `
+logger:
+  level: debug
+`})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	<-done
+}

contrib/config/nacos/go.mod

@@ -4,7 +4,8 @@ go 1.16
 
 require (
 	github.com/go-kratos/kratos/v2 v2.1.0
-	github.com/nacos-group/nacos-sdk-go v1.0.8
+	github.com/nacos-group/nacos-sdk-go v1.0.9
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
 )
 
 replace github.com/go-kratos/kratos/v2 => ../../../

contrib/config/nacos/go.sum

@@ -6,6 +6,7 @@ github.com/StackExchange/wmi v1.2.1/go.mod h1:rcmrprowKIVzvc+NUiLncP2uuArMWLCbu9
 github.com/aliyun/alibaba-cloud-sdk-go v1.61.18 h1:zOVTBdCKFd9JbCKz9/nt+FovbjPFmb7mUnp8nH9fQBA=
 github.com/aliyun/alibaba-cloud-sdk-go v1.61.18/go.mod h1:v8ESoHo4SyHmuB4b1tJqDHxfTGEciD+yhvOU/5s1Rfk=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23 h1:D21IyuvjDCshj1/qq+pCNd3VZOAEI9jy6Bi131YlXgI=
 github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
@@ -94,8 +95,8 @@ github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 h1:Esafd1046DLDQ0W1YjYsBW+p8U2u7vzgW2SQVmlNazg=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
-github.com/nacos-group/nacos-sdk-go v1.0.8 h1:8pEm05Cdav9sQgJSv5kyvlgfz0SzFUUGI3pWX6SiSnM=
+github.com/nacos-group/nacos-sdk-go v1.0.9 h1:sMvrp6tZj4LdhuHRsS4GCqASB81k3pjmT2ykDQQpwt0=
-github.com/nacos-group/nacos-sdk-go v1.0.8/go.mod h1:hlAPn3UdzlxIlSILAyOXKxjFSvDJ9oLzTJ9hLAK1KzA=
+github.com/nacos-group/nacos-sdk-go v1.0.9/go.mod h1:hlAPn3UdzlxIlSILAyOXKxjFSvDJ9oLzTJ9hLAK1KzA=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -119,6 +120,7 @@ github.com/tebeka/strftime v0.1.3 h1:5HQXOqWKYRFfNyBMNVc9z5+QzuBtIXy03psIhtdJYto
 github.com/tebeka/strftime v0.1.3/go.mod h1:7wJm3dZlpr4l/oVK0t1HYIc4rMzQ2XJlOMIUJUJH6XQ=
 github.com/tklauser/go-sysconf v0.3.9/go.mod h1:11DU/5sG7UexIrp/O6g35hrWzu0JxlwQ3LSFUzyeuhs=
 github.com/tklauser/numcpus v0.3.0/go.mod h1:yFGUr7TUHQRAhyqBcEg0Ge34zDBAsIvJJcyE6boqnA8=
+github.com/toolkits/concurrent v0.0.0-20150624120057-a4371d70e3e3 h1:kF/7m/ZU+0D4Jj5eZ41Zm3IH/J8OElK1Qtd7tVKAwLk=
 github.com/toolkits/concurrent v0.0.0-20150624120057-a4371d70e3e3/go.mod h1:QDlpd3qS71vYtakd2hmdpqhJ9nwv6mD6A30bQ1BPBFE=
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 go.opentelemetry.io/otel v1.0.0/go.mod h1:AjRVh9A5/5DE7S+mZtTR6t8vpKKryam+0lREnfmS4cg=

contrib/registry/discovery/README.md

@@ -1,2 +1,4 @@
+# Discovery Registry
+
 ## [discovery](https://github.com/bilibili/discovery)
 

contrib/registry/nacos/README.md

@@ -0,0 +1,50 @@
+# Nacos Registry
+
+```go
+import (
+		"github.com/go-kratos/kratos/v2"
+		"github.com/go-kratos/kratos/v2/transport/grpc"
+		
+		"github.com/nacos-group/nacos-sdk-go/clients"
+		"github.com/nacos-group/nacos-sdk-go/common/constant"
+    	"github.com/nacos-group/nacos-sdk-go/vo"
+)
+
+sc := []constant.ServerConfig{
+	*constant.NewServerConfig("127.0.0.1", 8848),
+}
+
+cc := constant.ClientConfig{
+	NamespaceId:         "public",
+	TimeoutMs:           5000,
+}
+
+client, err := clients.NewNamingClient(
+	vo.NacosClientParam{
+		ClientConfig:  &cc,
+		ServerConfigs: sc,
+	},
+)
+
+if err != nil {
+	log.Panic(err)
+}
+
+r := nacos.New(client)
+
+// server
+app := kratos.New(
+	kratos.Name("helloworld"),
+	kratos.Registrar(r),
+)
+if err := app.Run(); err != nil {
+	log.Fatal(err)
+}
+
+// client
+conn, err := grpc.DialInsecure(
+	context.Background(),
+	grpc.WithEndpoint("discovery:///helloworld"),
+	grpc.WithDiscovery(r),
+)
+```

contrib/registry/nacos/go.mod

@@ -4,7 +4,7 @@ go 1.16
 
 require (
 	github.com/go-kratos/kratos/v2 v2.1.0
-	github.com/nacos-group/nacos-sdk-go v1.0.8
+	github.com/nacos-group/nacos-sdk-go v1.0.9
 )
 
 replace github.com/go-kratos/kratos/v2 => ../../../

contrib/registry/nacos/go.sum

@@ -3,6 +3,7 @@ cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/StackExchange/wmi v1.2.1/go.mod h1:rcmrprowKIVzvc+NUiLncP2uuArMWLCbu9SBzvHz7e8=
+github.com/aliyun/alibaba-cloud-sdk-go v1.61.18 h1:zOVTBdCKFd9JbCKz9/nt+FovbjPFmb7mUnp8nH9fQBA=
 github.com/aliyun/alibaba-cloud-sdk-go v1.61.18/go.mod h1:v8ESoHo4SyHmuB4b1tJqDHxfTGEciD+yhvOU/5s1Rfk=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23 h1:D21IyuvjDCshj1/qq+pCNd3VZOAEI9jy6Bi131YlXgI=
@@ -60,17 +61,21 @@ github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
 github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
 github.com/jehiah/go-strftime v0.0.0-20171201141054-1d33003b3869 h1:IPJ3dvxmJ4uczJe5YQdrYB16oTJlGSC/OyZDqUk9xX4=
 github.com/jehiah/go-strftime v0.0.0-20171201141054-1d33003b3869/go.mod h1:cJ6Cj7dQo+O6GJNiMx+Pa94qKj+TG8ONdKHgMNIyyag=
+github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af h1:pmfjZENx5imkbgOkpRUYLnmbU7UEFbjtDA2hxJ1ichM=
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/jonboulle/clockwork v0.1.0 h1:VKV+ZcuP6l3yW9doeqz6ziZGgcynBVQO+obU0+0hcPo=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
 github.com/json-iterator/go v1.1.5/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
+github.com/json-iterator/go v1.1.6 h1:MrUvLMLTMxbqFJ9kzlvat/rYZqZnW3u4wkLzWTaFwKs=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
+github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
@@ -84,10 +89,12 @@ github.com/lestrrat/go-file-rotatelogs v0.0.0-20180223000712-d3151e2a480f h1:sgU
 github.com/lestrrat/go-file-rotatelogs v0.0.0-20180223000712-d3151e2a480f/go.mod h1:UGmTpUd3rjbtfIpwAPrcfmGf/Z1HS95TATB+m57TPB8=
 github.com/lestrrat/go-strftime v0.0.0-20180220042222-ba3bf9c1d042 h1:Bvq8AziQ5jFF4BHGAEDSqwPW1NJS3XshxbRCxtjFAZc=
 github.com/lestrrat/go-strftime v0.0.0-20180220042222-ba3bf9c1d042/go.mod h1:TPpsiPUEh0zFL1Snz4crhMlBe60PYxRHr5oFF3rRYg0=
+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 h1:Esafd1046DLDQ0W1YjYsBW+p8U2u7vzgW2SQVmlNazg=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
-github.com/nacos-group/nacos-sdk-go v1.0.8 h1:8pEm05Cdav9sQgJSv5kyvlgfz0SzFUUGI3pWX6SiSnM=
+github.com/nacos-group/nacos-sdk-go v1.0.9 h1:sMvrp6tZj4LdhuHRsS4GCqASB81k3pjmT2ykDQQpwt0=
-github.com/nacos-group/nacos-sdk-go v1.0.8/go.mod h1:hlAPn3UdzlxIlSILAyOXKxjFSvDJ9oLzTJ9hLAK1KzA=
+github.com/nacos-group/nacos-sdk-go v1.0.9/go.mod h1:hlAPn3UdzlxIlSILAyOXKxjFSvDJ9oLzTJ9hLAK1KzA=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -97,7 +104,9 @@ github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/shirou/gopsutil/v3 v3.21.8/go.mod h1:YWp/H8Qs5fVmf17v7JNZzA0mPJ+mS2e9JdiUF9LlKzQ=
+github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
+github.com/smartystreets/goconvey v0.0.0-20190330032615-68dc04aab96a h1:pa8hGb/2YqsZKovtsgrwcDH1RZhVbTKCjLp47XpqCDs=
 github.com/smartystreets/goconvey v0.0.0-20190330032615-68dc04aab96a/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
@@ -222,6 +231,7 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/ini.v1 v1.42.0 h1:7N3gPTt50s8GuLortA00n8AqRTk75qOP98+mTPpgzRk=
 gopkg.in/ini.v1 v1.42.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

contrib/registry/nacos/registry_test.go

@@ -0,0 +1,209 @@
+package nacos
+
+import (
+	"context"
+	"log"
+	"net"
+	"testing"
+	"time"
+
+	"github.com/go-kratos/kratos/v2/registry"
+	"github.com/nacos-group/nacos-sdk-go/clients"
+	"github.com/nacos-group/nacos-sdk-go/common/constant"
+	"github.com/nacos-group/nacos-sdk-go/vo"
+)
+
+func getIntranetIP() string {
+	addrs, err := net.InterfaceAddrs()
+	if err != nil {
+		return "127.0.0.1"
+	}
+
+	for _, address := range addrs {
+		if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
+			if ipnet.IP.To4() != nil {
+				return ipnet.IP.String()
+			}
+		}
+	}
+	return "127.0.0.1"
+}
+
+func TestRegistry(t *testing.T) {
+	ip := getIntranetIP()
+	serviceName := "golang-sms@grpc"
+	ctx := context.Background()
+
+	sc := []constant.ServerConfig{
+		*constant.NewServerConfig(ip, 8848),
+	}
+
+	cc := constant.ClientConfig{
+		NamespaceId:         "public", // namespace id
+		TimeoutMs:           5000,
+		NotLoadCacheAtStart: true,
+		LogDir:              "/tmp/nacos/log",
+		CacheDir:            "/tmp/nacos/cache",
+		RotateTime:          "1h",
+		MaxAge:              3,
+		LogLevel:            "debug",
+	}
+
+	// a more graceful way to create naming client
+	client, err := clients.NewNamingClient(
+		vo.NacosClientParam{
+			ClientConfig:  &cc,
+			ServerConfigs: sc,
+		},
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = client.RegisterInstance(vo.RegisterInstanceParam{
+		Ip:          "f",
+		Port:        8840,
+		ServiceName: serviceName,
+		Weight:      10,
+		Enable:      true,
+		Healthy:     true,
+		Ephemeral:   true,
+		Metadata:    map[string]string{"idc": "shanghai-xs"},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	time.Sleep(time.Second)
+
+	is, err := client.GetService(vo.GetServiceParam{
+		ServiceName: serviceName,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Logf("is %#v", is)
+
+	time.Sleep(time.Second)
+	r := New(client)
+
+	go func() {
+		var w registry.Watcher
+		w, err = r.Watch(ctx, "golang-sms@grpc")
+		if err != nil {
+			log.Fatal(err)
+		}
+		for {
+			var res []*registry.ServiceInstance
+			res, err = w.Next()
+			if err != nil {
+				return
+			}
+			log.Printf("watch: %d", len(res))
+			for _, r := range res {
+				log.Printf("next: %+v", r)
+			}
+		}
+	}()
+
+	time.Sleep(time.Second)
+
+	ins, err := r.GetService(ctx, serviceName)
+	if err != nil {
+		t.Fatal(err)
+	}
+	for _, in := range ins {
+		t.Logf("ins: %#v", in)
+	}
+
+	time.Sleep(time.Second)
+}
+
+func TestRegistryMany(t *testing.T) {
+	ip := getIntranetIP()
+	serviceName := "golang-sms@grpc"
+	// ctx := context.Background()
+
+	sc := []constant.ServerConfig{
+		*constant.NewServerConfig(ip, 8848),
+	}
+
+	cc := constant.ClientConfig{
+		NamespaceId:         "public", // namespace id
+		TimeoutMs:           5000,
+		NotLoadCacheAtStart: true,
+		LogDir:              "/tmp/nacos/log",
+		CacheDir:            "/tmp/nacos/cache",
+		RotateTime:          "1h",
+		MaxAge:              3,
+		LogLevel:            "debug",
+	}
+
+	// a more graceful way to create naming client
+	client, err := clients.NewNamingClient(
+		vo.NacosClientParam{
+			ClientConfig:  &cc,
+			ServerConfigs: sc,
+		},
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = client.RegisterInstance(vo.RegisterInstanceParam{
+		Ip:          "f1",
+		Port:        8840,
+		ServiceName: serviceName,
+		Weight:      10,
+		Enable:      true,
+		Healthy:     true,
+		Ephemeral:   true,
+		Metadata:    map[string]string{"idc": "shanghai-xs"},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = client.RegisterInstance(vo.RegisterInstanceParam{
+		Ip:          "f2",
+		Port:        8840,
+		ServiceName: serviceName,
+		Weight:      10,
+		Enable:      true,
+		Healthy:     true,
+		Ephemeral:   true,
+		Metadata:    map[string]string{"idc": "shanghai-xs"},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	_, err = client.RegisterInstance(vo.RegisterInstanceParam{
+		Ip:          "f3",
+		Port:        8840,
+		ServiceName: serviceName,
+		Weight:      10,
+		Enable:      true,
+		Healthy:     true,
+		Ephemeral:   true,
+		Metadata:    map[string]string{"idc": "shanghai-xs"},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	time.Sleep(time.Second)
+
+	is, err := client.GetService(vo.GetServiceParam{
+		ServiceName: serviceName,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for _, host := range is.Hosts {
+		t.Logf("host: %#v,e: %v", host, err)
+	}
+
+	time.Sleep(time.Second)
+}

contrib/registry/nacos/watcher.go

@@ -4,11 +4,10 @@ import (
 	"context"
 	"fmt"
 
+	"github.com/go-kratos/kratos/v2/registry"
 	"github.com/nacos-group/nacos-sdk-go/clients/naming_client"
 	"github.com/nacos-group/nacos-sdk-go/model"
 	"github.com/nacos-group/nacos-sdk-go/vo"
-
-	"github.com/go-kratos/kratos/v2/registry"
 )
 
 var _ registry.Watcher = (*watcher)(nil)

examples/go.mod

@@ -28,7 +28,7 @@ require (
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.5.0
 	github.com/hashicorp/consul/api v1.9.1
 	github.com/labstack/echo/v4 v4.5.0
-	github.com/nacos-group/nacos-sdk-go v1.0.8
+	github.com/nacos-group/nacos-sdk-go v1.0.9
 	github.com/nicksnyder/go-i18n/v2 v2.1.2
 	github.com/prometheus/client_golang v1.11.0
 	github.com/segmentio/kafka-go v0.4.17

examples/go.sum

@@ -465,6 +465,8 @@ github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRW
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/nacos-group/nacos-sdk-go v1.0.8 h1:8pEm05Cdav9sQgJSv5kyvlgfz0SzFUUGI3pWX6SiSnM=
 github.com/nacos-group/nacos-sdk-go v1.0.8/go.mod h1:hlAPn3UdzlxIlSILAyOXKxjFSvDJ9oLzTJ9hLAK1KzA=
+github.com/nacos-group/nacos-sdk-go v1.0.9 h1:sMvrp6tZj4LdhuHRsS4GCqASB81k3pjmT2ykDQQpwt0=
+github.com/nacos-group/nacos-sdk-go v1.0.9/go.mod h1:hlAPn3UdzlxIlSILAyOXKxjFSvDJ9oLzTJ9hLAK1KzA=
 github.com/nats-io/jwt v0.3.0/go.mod h1:fRYCDE99xlTsqUzISS1Bi75UBJ6ljOJQOAAu5VglpSg=
 github.com/nats-io/jwt v0.3.2/go.mod h1:/euKqTS1ZD+zzjYrY7pseZrTtWQSjujC7xjPc8wL6eU=
 github.com/nats-io/nats-server/v2 v2.1.2/go.mod h1:Afk+wRZqkMQs/p45uXdrVLuab3gwv3Z8C4HTBu8GD/k=

go.sum

@@ -70,17 +70,12 @@ github.com/shirou/gopsutil/v3 v3.21.8 h1:nKct+uP0TV8DjjNiHanKf8SAuub+GNsbrOtM9Nl
 github.com/shirou/gopsutil/v3 v3.21.8/go.mod h1:YWp/H8Qs5fVmf17v7JNZzA0mPJ+mS2e9JdiUF9LlKzQ=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
-github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/tklauser/go-sysconf v0.3.9 h1:JeUVdAOWhhxVcU6Eqr/ATFHgXk/mmiItdKeJPev3vTo=
 github.com/tklauser/go-sysconf v0.3.9/go.mod h1:11DU/5sG7UexIrp/O6g35hrWzu0JxlwQ3LSFUzyeuhs=
 github.com/tklauser/numcpus v0.3.0 h1:ILuRUQBtssgnxw0XXIjKUC56fgnOrFoQQ/4+DeU2biQ=
 github.com/tklauser/numcpus v0.3.0/go.mod h1:yFGUr7TUHQRAhyqBcEg0Ge34zDBAsIvJJcyE6boqnA8=
-github.com/vmihailenco/msgpack/v5 v5.3.4 h1:qMKAwOV+meBw2Y8k9cVwAy7qErtYCwBzZ2ellBfvnqc=
-github.com/vmihailenco/msgpack/v5 v5.3.4/go.mod h1:7xyJ9e+0+9SaZT0Wt1RGleJXzli6Q/V5KbhBonMG9jc=
-github.com/vmihailenco/tagparser/v2 v2.0.0 h1:y09buUbR+b5aycVFQs/g70pqKVZNBmxwAhO7/IwNM9g=
-github.com/vmihailenco/tagparser/v2 v2.0.0/go.mod h1:Wri+At7QHww0WTrCBeu4J6bNtoV6mEfg5OIWRZA9qds=
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 go.opentelemetry.io/otel v1.0.0 h1:qTTn6x71GVBvoafHK/yaRUmFzI4LcONZD0/kXxl5PHI=
 go.opentelemetry.io/otel v1.0.0/go.mod h1:AjRVh9A5/5DE7S+mZtTR6t8vpKKryam+0lREnfmS4cg=