server: add client registry with dashboard support (#5115)

pkg/config/flags.go

@@ -167,6 +167,7 @@ func RegisterClientCommonConfigFlags(cmd *cobra.Command, c *v1.ClientCommonConfi
 		c.Transport.TLS.Enable = cmd.PersistentFlags().BoolP("tls_enable", "", true, "enable frpc tls")
 	}
 	cmd.PersistentFlags().StringVarP(&c.User, "user", "u", "", "user")
+	cmd.PersistentFlags().StringVar(&c.ClientID, "client-id", "", "unique identifier for this frpc instance")
 	cmd.PersistentFlags().StringVarP(&c.Auth.Token, "token", "t", "", "auth token")
 }
 

pkg/config/v1/client.go

@@ -37,6 +37,8 @@ type ClientCommonConfig struct {
 	// clients. If this value is not "", proxy names will automatically be
 	// changed to "{user}.{proxy_name}".
 	User string `json:"user,omitempty"`
+	// ClientID uniquely identifies this frpc instance.
+	ClientID string `json:"clientID,omitempty"`
 
 	// ServerAddr specifies the address of the server to connect to. By
 	// default, this value is "0.0.0.0".

pkg/msg/msg.go

@@ -82,6 +82,7 @@ type Login struct {
 	PrivilegeKey string            `json:"privilege_key,omitempty"`
 	Timestamp    int64             `json:"timestamp,omitempty"`
 	RunID        string            `json:"run_id,omitempty"`
+	ClientID     string            `json:"client_id,omitempty"`
 	Metas        map[string]string `json:"metas,omitempty"`
 
 	// Currently only effective for VirtualClient.