Merge pull request #26 from macb/exporter_rename

rename bridge to exporter

Makefile

@@ -12,6 +12,6 @@
 # limitations under the License.
 
 VERSION  := 0.1.0
-TARGET   := statsd_bridge
+TARGET   := statsd_exporter
 
 include Makefile.COMMON

NOTICE

@@ -1,4 +1,4 @@
-StatsD-to-Prometheus bridge
+StatsD-to-Prometheus exporter
 Copyright 2013-2015 The Prometheus Authors
 
 This product includes software developed at

README.md

@@ -1,25 +1,25 @@
-StatsD-Bridge
+statsd_exporter
 =============
 
-StatsD-Bridge receives StatsD-style metrics and exports them as Prometheus metrics.
+`statsd_exporter` receives StatsD-style metrics and exports them as Prometheus metrics.
 
 ## Overview
 
 ### With StatsD
 
 To pipe metrics from an existing StatsD environment into Prometheus, configure
-StatsD's repeater backend to repeat all received packets to a StatsD-Bridge
-process. This bridge translates StatsD metrics to Prometheus metrics via
+StatsD's repeater backend to repeat all received packets to a `statsd_exporter`
+process. This exporter translates StatsD metrics to Prometheus metrics via
 configured mapping rules.
 
-    +----------+                     +-----------------+                        +--------------+
-    |  StatsD  |---(UDP repeater)--->|  StatsD-Bridge  |<---(scrape /metrics)---|  Prometheus  |
-    +----------+                     +-----------------+                        +--------------+
+    +----------+                     +-------------------+                        +--------------+
+    |  StatsD  |---(UDP repeater)--->|  statsd_exporter  |<---(scrape /metrics)---|  Prometheus  |
+    +----------+                     +-------------------+                        +--------------+
 
 ### Without StatsD
 
-Since the StatsD bridge uses the same UDP protocol as StatsD itself, you can
-also configure your applications to send StatsD metrics directly to the bridge.
+Since the StatsD exporter uses the same UDP protocol as StatsD itself, you can
+also configure your applications to send StatsD metrics directly to the exporter.
 In that case, you don't need to run a StatsD server anymore.
 
 We recommend this only as an intermediate solution and recommend switching to
@@ -29,8 +29,8 @@ in the long term.
 ## Building and Running
 
     $ go build
-    $ ./statsd_bridge --help
-    Usage of ./statsd_bridge:
+    $ ./statsd_exporter --help
+    Usage of ./statsd_exporter:
       -statsd.listen-address=":9125": The UDP address on which to receive statsd metric lines.
       -statsd.mapping-config="": Metric mapping configuration file name.
       -web.listen-address=":9102": The address on which to expose the web interface and generated Prometheus metrics.
@@ -42,7 +42,7 @@ in the long term.
 
 ## Metric Mapping and Configuration
 
-The StatsD-Bridge can be configured to translate specific dot-separated StatsD
+The `statsd_exporter` can be configured to translate specific dot-separated StatsD
 metrics into labeled Prometheus metrics via a simple mapping language. A
 mapping definition starts with a line matching the StatsD metric in question,
 with `*`s acting as wildcards for each dot-separated metric component. The
@@ -97,14 +97,14 @@ follows:
 
 ## Using Docker
 
-You can deploy this exporter using the [prom/statsd-bridge](https://registry.hub.docker.com/u/prom/statsd-bridge/) Docker image.
+You can deploy this exporter using the [prom/statsd-exporter](https://registry.hub.docker.com/u/prom/statsd-exporter/) Docker image.
 
 For example:
 
 ```bash
-docker pull prom/statsd-bridge
+docker pull prom/statsd-exporter
 
 docker run -d -p 9102:9102 -p 9125/udp:9125/udp \
         -v $PWD/statsd_mapping.conf:/tmp/statsd_mapping.conf \
-        prom/statsd-bridge -statsd.mapping-config=/tmp/statsd_mapping.conf
+        prom/statsd-exporter -statsd.mapping-config=/tmp/statsd_mapping.conf
 ```

exporter.go

@@ -29,9 +29,9 @@ import (
 )
 
 const (
-	defaultHelp = "Metric autogenerated by statsd_bridge."
+	defaultHelp = "Metric autogenerated by statsd_exporter."
 	regErrF     = "A change of configuration created inconsistent metrics for " +
-		"%q. You have to restart the statsd_bridge, and you should " +
+		"%q. You have to restart the statsd_exporter, and you should " +
 		"consider the effects on your monitoring setup. Error: %s"
 )
 
@@ -171,7 +171,7 @@ func (t *TimerEvent) Value() float64     { return t.value }
 
 type Events []Event
 
-type Bridge struct {
+type Exporter struct {
 	Counters  *CounterContainer
 	Gauges    *GaugeContainer
 	Summaries *SummaryContainer
@@ -189,7 +189,7 @@ func escapeMetricName(metricName string) string {
 	return metricName
 }
 
-func (b *Bridge) Listen(e <-chan Events) {
+func (b *Exporter) Listen(e <-chan Events) {
 	for {
 		events := <-e
 		for _, event := range events {
@@ -244,8 +244,8 @@ func (b *Bridge) Listen(e <-chan Events) {
 	}
 }
 
-func NewBridge(mapper *metricMapper) *Bridge {
-	return &Bridge{
+func NewExporter(mapper *metricMapper) *Exporter {
+	return &Exporter{
 		Counters:  NewCounterContainer(),
 		Gauges:    NewGaugeContainer(),
 		Summaries: NewSummaryContainer(),

main.go

@@ -108,7 +108,7 @@ func watchConfig(fileName string, mapper *metricMapper) {
 func main() {
 	flag.Parse()
 
-	log.Println("Starting StatsD -> Prometheus Bridge...")
+	log.Println("Starting StatsD -> Prometheus Exporter...")
 	log.Println("Accepting StatsD Traffic on", *statsdListenAddress)
 	log.Println("Accepting Prometheus Requests on", *listenAddress)
 
@@ -141,6 +141,6 @@ func main() {
 		}
 		go watchConfig(*mappingConfig, mapper)
 	}
-	bridge := NewBridge(mapper)
-	bridge.Listen(events)
+	exporter := NewExporter(mapper)
+	exporter.Listen(events)
 }

telemetry.go

@@ -20,27 +20,27 @@ import (
 var (
 	eventStats = prometheus.NewCounterVec(
 		prometheus.CounterOpts{
-			Name: "statsd_bridge_events_total",
+			Name: "statsd_exporter_events_total",
 			Help: "The total number of StatsD events seen.",
 		},
 		[]string{"type"},
 	)
 	networkStats = prometheus.NewCounterVec(
 		prometheus.CounterOpts{
-			Name: "statsd_bridge_packets_total",
+			Name: "statsd_exporter_packets_total",
 			Help: "The total number of StatsD packets seen.",
 		},
 		[]string{"type"},
 	)
 	configLoads = prometheus.NewCounterVec(
 		prometheus.CounterOpts{
-			Name: "statsd_bridge_config_reloads_total",
+			Name: "statsd_exporter_config_reloads_total",
 			Help: "The number of configuration reloads.",
 		},
 		[]string{"outcome"},
 	)
 	mappingsCount = prometheus.NewGauge(prometheus.GaugeOpts{
-		Name: "statsd_bridge_loaded_mappings_count",
+		Name: "statsd_exporter_loaded_mappings_count",
 		Help: "The number of configured metric mappings.",
 	})
 )