use internal init for settings

pkg/cmd/grafana-server/server.go

@@ -54,8 +54,7 @@ func (g *GrafanaServerImpl) Start() {
 	g.writePIDFile()
 
 	initSql()
-	metricsCfg := metrics.ReadSettings(setting.Cfg)
-	metrics.Init(metricsCfg)
+	metrics.Init(setting.Cfg)
 	search.Init()
 	login.Init()
 	social.NewOAuthService()

pkg/metrics/graphitebridge/graphite.go

@@ -360,12 +360,6 @@ func (b *Bridge) replaceCounterWithDelta(mf *dto.MetricFamily, metric model.Metr
 	}
 
 	return float64(value)
-
-	//println("use delta for", metric[model.MetricNameLabel], mf.GetType().String())
-
-	//TODO(bergquist): turn _count in summery into delta
-	//TODO(bergquist): turn _count in histogram into delta
-
 }
 
 func (b *Bridge) returnDelta(metric model.Metric, value model.SampleValue) float64 {

pkg/metrics/publish.go → pkg/metrics/init.go

@@ -3,12 +3,13 @@ package metrics
 import (
 	"context"
 
+	ini "gopkg.in/ini.v1"
+
 	"github.com/grafana/grafana/pkg/log"
 	"github.com/grafana/grafana/pkg/metrics/graphitebridge"
 )
 
 var metricsLogger log.Logger = log.New("metrics")
-var metricPublishCounter int64 = 0
 
 type logWrapper struct {
 	logger log.Logger
@@ -18,7 +19,12 @@ func (lw *logWrapper) Println(v ...interface{}) {
 	lw.logger.Info("graphite metric bridge", v...)
 }
 
-func Init(settings *MetricSettings) {
+func Init(file *ini.File) {
+	cfg := ReadSettings(file)
+	internalInit(cfg)
+}
+
+func internalInit(settings *MetricSettings) {
 	initMetricVars(settings)
 
 	if settings.GraphiteBridgeConfig != nil {