feat: add default metrics address (#1595)

Signed-off-by: Gaius <gaius.qi@gmail.com>

manager/config/config.go

@@ -308,6 +308,7 @@ func New() *Config {
 		},
 		Metrics: &MetricsConfig{
 			Enable:          false,
+			Addr:            DefaultMetricsAddr,
 			EnablePeerGauge: true,
 		},
 	}

manager/config/constants.go

@@ -36,7 +36,7 @@ const (
 	// DefaultGRPCPort is default port for grpc server.
 	DefaultGRPCPort = 65003
 
-	// DefaultRESTAddr is default port for rest server.
+	// DefaultRESTAddr is default address for rest server.
 	DefaultRESTAddr = ":8080"
 )
 
@@ -83,3 +83,8 @@ const (
 	// DefaultPostgresTimezone is default timezone for postgres.
 	DefaultPostgresTimezone = "UTC"
 )
+
+const (
+	// DefaultMetricsAddr is default address for metrics server.
+	DefaultMetricsAddr = ":8000"
+)

scheduler/config/config.go

@@ -119,6 +119,7 @@ func New() *Config {
 		},
 		Metrics: &MetricsConfig{
 			Enable:         false,
+			Addr:           DefaultMetricsAddr,
 			EnablePeerHost: false,
 		},
 	}

scheduler/config/config_test.go

@@ -185,6 +185,7 @@ func TestConfig_New(t *testing.T) {
 		},
 		Metrics: &MetricsConfig{
 			Enable:         false,
+			Addr:           ":8000",
 			EnablePeerHost: false,
 		},
 	})

scheduler/config/constants.go

@@ -119,3 +119,8 @@ const (
 	// DefaultJobRedisBackendDB is default db for redis backend.
 	DefaultJobRedisBackendDB = 2
 )
+
+const (
+	// DefaultMetricsAddr is default address for metrics server.
+	DefaultMetricsAddr = ":8000"
+)