remove prober RPC.port from config (#543)

* remove prober rpc.port from yml config

* remove prober.config.rpcPort && add prober.plugins.config.metrics checker

etc/address.yml

@@ -44,7 +44,6 @@ judge:
 
 prober:
   http: 0.0.0.0:8023
-  rpc: 0.0.0.0:8024
   addresses:
     - 127.0.0.1
 

src/modules/prober/config/config.go

@@ -87,7 +87,7 @@ func Parse(conf string) error {
 	}
 
 	Config.Report.HTTPPort = strconv.Itoa(address.GetHTTPPort("prober"))
-	Config.Report.RPCPort = strconv.Itoa(address.GetRPCPort("prober"))
+	// Config.Report.RPCPort = strconv.Itoa(address.GetRPCPort("prober"))
 
 	return err
 }

src/modules/prober/config/plugin.go

@@ -53,6 +53,20 @@ func (p *pluginConfig) Validate() error {
 	default:
 		p.mode = PluginModeWhitelist
 	}
+
+	for k, v := range p.Metrics {
+		if v.Name == "" {
+			return fmt.Errorf("metrics[%d].name must be set", k)
+		}
+		if v.Type == "" {
+			v.Type = dataobj.GAUGE
+		}
+		if v.Type != dataobj.GAUGE &&
+			v.Type != dataobj.COUNTER &&
+			v.Type != dataobj.SUBTRACT {
+			return fmt.Errorf("metrics[%s].type.%s unsupported", v.Name, v.Type)
+		}
+	}
 	return nil
 }