init

utils/nacos/baseNacos.go

@@ -0,0 +1,66 @@
+package nacos
+
+import (
+	"github.com/nacos-group/nacos-sdk-go/v2/common/constant"
+	"net"
+	"os"
+	"strconv"
+	"strings"
+)
+
+var (
+	cc *constant.ClientConfig
+	sc []constant.ServerConfig
+)
+
+func GetIP(domain string) string {
+	// 确保域名不为空
+	if domain == "" {
+		return ""
+	}
+
+	// 使用 net.LookupIP 查找域名的 IP 地址
+	ips, err := net.LookupIP(domain)
+	if err != nil {
+		return ""
+	}
+
+	// 检查是否找到了 IP
+	if len(ips) == 0 {
+		return ""
+	}
+
+	// 返回第一个 IPv4 地址（如果有）
+	for _, ip := range ips {
+		if ipv4 := ip.To4(); ipv4 != nil {
+			return ipv4.String()
+		}
+	}
+
+	// 如果没有 IPv4，返回第一个 IP（可能是 IPv6）
+	return ips[0].String()
+}
+
+func InitNacosRegistryConfig() {
+	if cc != nil && sc != nil {
+		return
+	}
+	nacosHosts := strings.Split(os.Getenv("NACOS_HOSTS"), ",")
+	nacosPort, _ := strconv.Atoi(os.Getenv("NACOS_PORT"))
+	for _, host := range nacosHosts {
+		serverConfig := constant.NewServerConfig(GetIP(host), uint64(nacosPort))
+		sc = append(sc, *serverConfig)
+	}
+
+	LogDir := os.Getenv("LOG_SAVE_PATH")
+	cc = &constant.ClientConfig{
+		NamespaceId:         os.Getenv("NACOS_NAMESPACE"),
+		TimeoutMs:           5000,
+		NotLoadCacheAtStart: true,
+		LogDir:              LogDir,
+		//CacheDir:            "/tmp/nacos/cache",
+		LogLevel: "debug",
+		Username: os.Getenv("NACOS_USER"),
+		Password: os.Getenv("NACOS_PASSWORD"),
+	}
+}

utils/nacos/configuration.go

@@ -0,0 +1,58 @@
+package nacos
+
+import (
+	"apiServer_service/utils/loger"
+	"github.com/nacos-group/nacos-sdk-go/v2/clients"
+	"github.com/nacos-group/nacos-sdk-go/v2/clients/config_client"
+	"github.com/nacos-group/nacos-sdk-go/v2/vo"
+)
+
+// NewNacosConfigClient 创建一个 Nacos 配置服务
+func NewNacosConfigClient() (*config_client.IConfigClient, error) {
+	InitNacosRegistryConfig()
+	cli, err := clients.NewConfigClient(
+		vo.NacosClientParam{
+			ClientConfig:  cc,
+			ServerConfigs: sc,
+		},
+	)
+	if err != nil {
+		return nil, err
+	}
+	return &cli, nil
+}
+
+// AddConfig 新增配置
+func AddConfig(dataId, group, content string) error {
+	client, err := NewNacosConfigClient()
+	if err != nil {
+		return err
+	}
+	_, err = (*client).PublishConfig(vo.ConfigParam{
+		DataId:  dataId,
+		Group:   group,
+		Content: content,
+	})
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// GetConfig 获取配置
+func GetConfig(dataId, group string) string {
+	client, err := NewNacosConfigClient()
+	if err != nil {
+		loger.Error("获取配置客户端失败", err)
+		return ""
+	}
+	content, err := (*client).GetConfig(vo.ConfigParam{
+		DataId: dataId,
+		Group:  group,
+	})
+	if err != nil {
+		loger.Error("获取配置失败", err)
+		return ""
+	}
+	return content
+}

utils/nacos/service.go

@@ -0,0 +1,100 @@
+package nacos
+
+import (
+	"github.com/nacos-group/nacos-sdk-go/v2/clients"
+	"github.com/nacos-group/nacos-sdk-go/v2/clients/naming_client"
+	"github.com/nacos-group/nacos-sdk-go/v2/model"
+	"github.com/nacos-group/nacos-sdk-go/v2/vo"
+	"os"
+	"strconv"
+)
+
+var (
+	cli       naming_client.INamingClient
+	groupName string
+)
+
+// NewNacosRegistry 创建一个nacos注册中心
+func NewNacosRegistry() (*naming_client.INamingClient, error) {
+	InitNacosRegistryConfig()
+	if cli != nil {
+		return &cli, nil
+	}
+	groupName = os.Getenv("NACOS_GROUP_NAME")
+	var err error
+	cli, err = clients.NewNamingClient(
+		vo.NacosClientParam{
+			ClientConfig:  cc,
+			ServerConfigs: sc,
+		},
+	)
+	if err != nil {
+		return nil, err
+	}
+	return &cli, nil
+}
+
+// RegisterService 注册当前服务到nacos中
+func RegisterService() error {
+	client, err := NewNacosRegistry()
+	if err != nil {
+		return err
+	}
+	serviceName := os.Getenv("NACOS_SERVICE_NAME")
+	host := os.Getenv("NACOS_SERVICE_HOST")
+	port, err := strconv.Atoi(os.Getenv("NACOS_SERVICE_PORT"))
+	if err != nil {
+		port = 8848
+	}
+	weight, err := strconv.Atoi(os.Getenv("NACOS_SERVICE_WEIGHT"))
+	if err != nil {
+		weight = 10
+	}
+	_, err = (*client).RegisterInstance(vo.RegisterInstanceParam{
+		Ip:          host,
+		Port:        uint64(port),
+		ServiceName: serviceName,
+		Weight:      float64(weight),
+		Enable:      true,
+		Healthy:     true,
+		Ephemeral:   false,
+		GroupName:   groupName,
+	})
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// DiscoverServiceList 发现服务列表
+func DiscoverServiceList(serviceName string) ([]model.Instance, error) {
+	client, err := NewNacosRegistry()
+	if err != nil {
+		return nil, err
+	}
+	instances, err := (*client).SelectInstances(vo.SelectInstancesParam{
+		ServiceName: serviceName,
+		HealthyOnly: false,
+		GroupName:   groupName,
+	})
+	if err != nil {
+		return nil, err
+	}
+	return instances, nil
+}
+
+// DiscoverService 发现一个服务
+func DiscoverService(serviceName string) (model.Instance, error) {
+	client, err := NewNacosRegistry()
+	if err != nil {
+		return model.Instance{}, err
+	}
+	instances, err := (*client).SelectOneHealthyInstance(vo.SelectOneHealthInstanceParam{
+		ServiceName: serviceName,
+		GroupName:   groupName,
+	})
+	if err != nil {
+		return model.Instance{}, err
+	}
+	return *instances, nil
+}