Switch prometheus metrics to use labels instead of a prefix. (#367) (040532e2) · Commits · public-projects / Nakama

server/metrics.go

+5 −4

Original line number	Diff line number	Diff line
		@@ -29,7 +29,6 @@ import (
		"go.opencensus.io/stats/view"
		"go.opencensus.io/tag"
		"go.uber.org/zap"
		"strings"
		)

		var (
		@@ -170,13 +169,15 @@ func (m Metrics) initStackdriver(logger, startupLogger zap.Logger, config Conf
		}

		func (m Metrics) initPrometheus(logger, startupLogger zap.Logger, config Config) {
		prefix := strings.Replace(config.GetName(), "-", "_", -1)
		labels := make(map[string]string)
		labels["node_name"] = config.GetName()

		if config.GetMetrics().Namespace != "" {
		prefix += "_" + strings.Replace(config.GetMetrics().Namespace, "-", "_", -1)
		labels["namespace"] = config.GetMetrics().Namespace
		}

		exporter, err := ocprometheus.NewExporter(ocprometheus.Options{
		Namespace: prefix,
		ConstLabels: labels,
		OnError: func(err error) {
		logger.Error("Could not upload data to Prometheus", zap.Error(err))
		},