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Add basic Prometheus metrics handler (#1830)

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* feat: Add Prometheus configuration options

* feat: Add Prometheus metrics handler

* build: prometheus became direct dependency

* docs: change description for prometheus metrics path
This commit is contained in:
Aleksey Lobanov
2022-10-03 02:59:53 +03:00
committed by GitHub
parent 6a6fa3e3b5
commit 552989a05b
3 changed files with 22 additions and 1 deletions
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cmd/root.go
+12
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@@ -13,6 +13,8 @@ import (
"github.com/navidrome/navidrome/resources"
"github.com/navidrome/navidrome/scheduler"
"github.com/oklog/run"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
@@ -84,6 +86,9 @@ func startServer() (func() error, func(err error)) {
if conf.Server.ListenBrainz.Enabled {
a.MountRouter("ListenBrainz Auth", consts.URLPathNativeAPI+"/listenbrainz", CreateListenBrainzRouter())
}
if conf.Server.Prometheus.Enabled {
a.MountRouter("Prometheus metrics", conf.Server.Prometheus.MetricsPath, promhttp.Handler())
}
return a.Run(fmt.Sprintf("%s:%d", conf.Server.Address, conf.Server.Port))
}, func(err error) {
if err != nil {
@@ -191,12 +196,19 @@ func init() {
rootCmd.Flags().String("imagecachesize", viper.GetString("imagecachesize"), "size of image (art work) cache. set to 0 to disable cache")
rootCmd.Flags().Bool("autoimportplaylists", viper.GetBool("autoimportplaylists"), "enable/disable .m3u playlist auto-import`")
rootCmd.Flags().Bool("prometheus.enabled", viper.GetBool("prometheus.enabled"), "enable/disable prometheus metrics endpoint`")
rootCmd.Flags().String("prometheus.metricspath", viper.GetString("prometheus.metricspath"), "http endpoint for prometheus metrics")
_ = viper.BindPFlag("address", rootCmd.Flags().Lookup("address"))
_ = viper.BindPFlag("port", rootCmd.Flags().Lookup("port"))
_ = viper.BindPFlag("sessiontimeout", rootCmd.Flags().Lookup("sessiontimeout"))
_ = viper.BindPFlag("scaninterval", rootCmd.Flags().Lookup("scaninterval"))
_ = viper.BindPFlag("baseurl", rootCmd.Flags().Lookup("baseurl"))
_ = viper.BindPFlag("uiloginbackgroundurl", rootCmd.Flags().Lookup("uiloginbackgroundurl"))
_ = viper.BindPFlag("prometheus.enabled", rootCmd.Flags().Lookup("prometheus.enabled"))
_ = viper.BindPFlag("prometheus.metricspath", rootCmd.Flags().Lookup("prometheus.metricspath"))
_ = viper.BindPFlag("enabletranscodingconfig", rootCmd.Flags().Lookup("enabletranscodingconfig"))
_ = viper.BindPFlag("transcodingcachesize", rootCmd.Flags().Lookup("transcodingcachesize"))
_ = viper.BindPFlag("imagecachesize", rootCmd.Flags().Lookup("imagecachesize"))