Merge pull request #13 from nordicdyno/master

Fixes for better Prometheus support

Author: Ed Ganiukov

Makefile

@@ -8,6 +8,14 @@ GOX_ARGS = -output="$(BUILD_DIR)/{{.Dir}}_{{.OS}}_{{.Arch}}" -osarch="linux/amd6
 build:
 	$(GO) build -o $(BUILD_DIR)/nsq_exporter .
 
+.PHONY: deps-init deps-get
+deps-init:
+	@go get -u github.com/kardianos/govendor
+	$(GOPATH)/bin/govendor init
+
+deps-get: deps-init
+	@$(GOPATH)/bin/govendor get github.com/lovoo/nsq_exporter
+
 .PHONY: clean
 clean:
 	rm -R $(BUILD_DIR)/* || true

collector/collector.go

@@ -2,7 +2,11 @@ package collector
 
 import "github.com/prometheus/client_golang/prometheus"
 
-// Collector defines the interface for collecting all metrics for Prometheus.
-type Collector interface {
-	Collect(out chan<- prometheus.Metric) error
+// StatsCollector defines an interface for collecting specific stats
+// from a nsqd exported stats data.
+type StatsCollector interface {
+	set(s *stats)
+	collect(out chan<- prometheus.Metric)
+	describe(ch chan<- *prometheus.Desc)
+	reset()
 }