feat: add nacos v2

.github/workflows/tests.yml

@@ -35,6 +35,7 @@ jobs:
         image: 'nacos/nacos-server:2.0.3'
         ports:
           - '8848:8848'
+          - '9848:9848'
         env:
           MODE: standalone
       eureka:

hack/util.sh

@@ -11,4 +11,4 @@ function util::find_modules() {
 		-o -path '*/vendor/*' \
 		\) -prune \
 		\) -name 'go.mod' -print0 | xargs -0 -I {} dirname {}
-}
+}

nacos/v2/Makefile

@@ -0,0 +1,5 @@
+NACOS_VERSION ?= 2.0.3
+
+prepare:
+	docker pull nacos/nacos-server:$(NACOS_VERSION)
+	docker run --name nacos-quick -e MODE=standalone -p 8848:8848 -p 9848:9848 -d nacos/nacos-server:$(NACOS_VERSION)

nacos/v2/README.md

@@ -0,0 +1,244 @@
+# nacos (*This is a community driven project*)
+
+[中文](README_CN.md)
+
+Nacos as service discovery for Hertz.
+
+## How to use?
+
+### Server
+
+**[example/standard/server/main.go](examples/standard/server/main.go)**
+
+```go
+import (
+	"context"
+	"log"
+
+	"github.com/cloudwego/hertz/pkg/app"
+	"github.com/cloudwego/hertz/pkg/app/server"
+	"github.com/cloudwego/hertz/pkg/app/server/registry"
+	"github.com/cloudwego/hertz/pkg/common/utils"
+	"github.com/cloudwego/hertz/pkg/protocol/consts"
+	"github.com/hertz-contrib/registry/nacos/v2"
+)
+
+func main() {
+	addr := "127.0.0.1:8888"
+	r, err := nacos.NewDefaultNacosRegistry()
+	if err != nil {
+		log.Fatal(err)
+		return
+	}
+	h := server.Default(
+		server.WithHostPorts(addr),
+		server.WithRegistry(r, &registry.Info{
+			ServiceName: "hertz.test.demo",
+			Addr:        utils.NewNetAddr("tcp", addr),
+			Weight:      10,
+			Tags:        nil,
+		}),
+	)
+	h.GET("/ping", func(c context.Context, ctx *app.RequestContext) {
+		ctx.JSON(consts.StatusOK, utils.H{"ping": "pong"})
+	})
+	h.Spin()
+}
+```
+
+### Client
+
+**[example/standard/client/main.go](examples/standard/client/main.go)**
+
+```go
+import (
+	"context"
+	"log"
+
+	"github.com/cloudwego/hertz/pkg/app/client"
+	"github.com/cloudwego/hertz/pkg/app/middlewares/client/sd"
+	"github.com/cloudwego/hertz/pkg/common/config"
+	"github.com/cloudwego/hertz/pkg/common/hlog"
+	"github.com/hertz-contrib/registry/nacos/v2"
+)
+
+func main() {
+client, err := client.NewClient()
+	if err != nil {
+		panic(err)
+	}
+	r, err := nacos.NewDefaultNacosResolver()
+	if err != nil {
+		log.Fatal(err)
+		return
+	}
+	client.Use(sd.Discovery(r))
+	// ...
+}
+
+```
+
+## How to run example?
+
+### run docker
+
+- make prepare
+
+```bash
+make prepare
+```
+
+### run server
+
+```go
+go run ./examples/standard/server/main.go
+```
+
+### run client
+
+```go
+go run ./examples/standard/client/main.go
+```
+
+```go
+2022/07/26 13:52:47.310617 main.go:46: [Info] code = 200, body ={"ping":"pong"}
+2022/07/26 13:52:47.311019 main.go:46: [Info] code = 200, body ={"ping":"pong"}
+2022/07/26 13:52:47.311186 main.go:46: [Info] code = 200, body ={"ping":"pong"}
+2022/07/26 13:52:47.311318 main.go:46: [Info] code = 200, body ={"ping":"pong"}
+2022/07/26 13:52:47.311445 main.go:46: [Info] code = 200, body ={"ping":"pong"}
+2022/07/26 13:52:47.311585 main.go:46: [Info] code = 200, body ={"ping":"pong"}
+2022/07/26 13:52:47.311728 main.go:46: [Info] code = 200, body ={"ping":"pong"}
+2022/07/26 13:52:47.311858 main.go:46: [Info] code = 200, body ={"ping":"pong"}
+2022/07/26 13:52:47.311977 main.go:46: [Info] code = 200, body ={"ping":"pong"}
+2022/07/26 13:52:47.312107 main.go:46: [Info] code = 200, body ={"ping":"pong"}
+```
+
+## Custom Nacos Client Configuration
+
+### Server
+
+**[example/custom_config/server/main.go](examples/custom_config/server/main.go)**
+
+```go
+import (
+	"context"
+	"github.com/cloudwego/hertz/pkg/app"
+	"github.com/cloudwego/hertz/pkg/app/server"
+	"github.com/cloudwego/hertz/pkg/app/server/registry"
+	"github.com/cloudwego/hertz/pkg/common/utils"
+	"github.com/cloudwego/hertz/pkg/protocol/consts"
+	"github.com/hertz-contrib/registry/nacos/v2"
+	"github.com/nacos-group/nacos-sdk-go/v2/clients"
+	"github.com/nacos-group/nacos-sdk-go/v2/common/constant"
+	"github.com/nacos-group/nacos-sdk-go/v2/vo"
+)
+
+func main() {
+	sc := []constant.ServerConfig{
+		*constant.NewServerConfig("127.0.0.1", 8848),
+	}
+
+	cc := constant.ClientConfig{
+		NamespaceId:         "public",
+		TimeoutMs:           5000,
+		NotLoadCacheAtStart: true,
+		LogDir:              "/tmp/nacos/log",
+		CacheDir:            "/tmp/nacos/cache",
+		LogLevel:            "info",
+	}
+
+	cli, err := clients.NewNamingClient(
+		vo.NacosClientParam{
+			ClientConfig:  &cc,
+			ServerConfigs: sc,
+		},
+	)
+	if err != nil {
+		panic(err)
+	}
+
+	addr := "127.0.0.1:8888"
+	r := nacos.NewNacosRegistry(cli)
+	h := server.Default(
+		server.WithHostPorts(addr),
+		server.WithRegistry(r, &registry.Info{
+			ServiceName: "hertz.test.demo",
+			Addr:        utils.NewNetAddr("tcp", addr),
+			Weight:      10,
+			Tags:        nil,
+		}),
+	)
+	// ...
+	h.Spin()
+}
+
+```
+
+### Client
+
+**[example/custom_config/client/main.go](examples/custom_config/client/main.go)**
+
+```go
+import (
+	"context"
+	"github.com/cloudwego/hertz/pkg/app/client"
+	"github.com/cloudwego/hertz/pkg/app/middlewares/client/sd"
+	"github.com/cloudwego/hertz/pkg/common/config"
+	"github.com/cloudwego/hertz/pkg/common/hlog"
+	"github.com/hertz-contrib/registry/nacos/v2"
+	"github.com/nacos-group/nacos-sdk-go/v2/clients"
+	"github.com/nacos-group/nacos-sdk-go/v2/common/constant"
+	"github.com/nacos-group/nacos-sdk-go/v2/vo"
+)
+
+func main() {
+	cli, err := client.NewClient()
+	if err != nil {
+		panic(err)
+	}
+	sc := []constant.ServerConfig{
+		*constant.NewServerConfig("127.0.0.1", 8848),
+	}
+	cc := constant.ClientConfig{
+		NamespaceId:         "public",
+		TimeoutMs:           5000,
+		NotLoadCacheAtStart: true,
+		LogDir:              "/tmp/nacos/log",
+		CacheDir:            "/tmp/nacos/cache",
+		LogLevel:            "info",
+	}
+
+	nacosCli, err := clients.NewNamingClient(
+		vo.NacosClientParam{
+			ClientConfig:  &cc,
+			ServerConfigs: sc,
+		}
+  )
+	if err != nil {
+		panic(err)
+	}
+	r := nacos.NewNacosResolver(nacosCli)
+	cli.Use(sd.Discovery(r))
+	// ...
+}
+
+```
+
+## Environment Variable
+
+| Environment Variable Name | Environment Variable Default Value | Environment Variable Introduction |
+| ------------------------- | ---------------------------------- | --------------------------------- |
+| serverAddr               | 127.0.0.1                          | nacos server address              |
+| serverPort               | 8848                               | nacos server port                 |
+| namespace                 |                                    | the namespaceId of nacos          |
+
+
+## Compatibility
+
+- This package use Nacos2.x client.
+
+- Nacos2.x detail [see](https://nacos.io/en-us/docs/v2/upgrading/2.0.0-compatibility.html)
+
+- Supported Go version over 1.16
+
+- Supported Nacos version over 2.x