add stats metric options to config

cmd/server.go

@@ -87,7 +87,9 @@ on the configured port.`,
 	flags.StringVarP(&Server.Config.Cluster.Type, "cluster.type", "", "static", "Determine how the cluster handles membership and state sharing. Choose from [static, http, gossip]")
 	flags.StringVarP(&Server.Config.Cluster.GossipSeed, "cluster.gossip-seed", "", "", "Host with which to seed the gossip membership.")
 	flags.StringVarP(&Server.Config.Cluster.InternalPort, "cluster.internal-port", "", "", "Port to which pilosa should bind for internal state sharing.")
-
+	flags.StringVarP(&Server.Config.Metric.Service, "metric.service", "", "noop", "Default URI on which pilosa should listen.")
+	flags.StringVarP(&Server.Config.Metric.Host, "metric.host", "", "", "Default URI to send metrics.")
+	flags.DurationVarP((*time.Duration)(&Server.Config.Metric.PollingInterval), "metric.poll-interval", "", time.Minute*0, "Polling interval metrics.")
 	return serveCmd
 }
 

config.go

@@ -8,6 +8,7 @@ const (
 	DefaultPort         = "10101"
 	DefaultClusterType  = "static"
 	DefaultInternalPort = "14000"
+	DefaultMetrics      = "noop"
 )
 
 // Config represents the configuration for the command.
@@ -34,6 +35,12 @@ type Config struct {
 	} `toml:"anti-entropy"`
 
 	LogPath string `toml:"log-path"`
+
+	Metric struct {
+		Service         string   `toml:"service"`
+		Host            string   `toml:"host"`
+		PollingInterval Duration `toml:"interval"`
+	} `toml:"metrics"`
 }
 
 // NewConfig returns an instance of Config with default options.
@@ -47,6 +54,7 @@ func NewConfig() *Config {
 	c.Cluster.Hosts = []string{}
 	c.Cluster.InternalHosts = []string{}
 	c.AntiEntropy.Interval = Duration(DefaultAntiEntropyInterval)
+	c.Metric.Service = DefaultMetrics
 	return c
 }
 

ctl/config.go

@@ -37,6 +37,10 @@ bind = "localhost:10101"
 [anti-entropy]
   interval = "10m0s"
 
+[metrics]
+	service = "statsd"
+	host = "127.0.0.1:8125"
+
 [profile]
   cpu = ""
   cpu-time = "30s"