moby/cmd/dockerd/metrics.go
Sebastiaan van Stijn 07ff4f1de8
goimports: fix imports
Format the source according to latest goimports.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2019-09-18 12:56:54 +02:00

36 lines
687 B
Go

package main
import (
"net"
"net/http"
metrics "github.com/docker/go-metrics"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
func (cli *DaemonCli) startMetricsServer(addr string) error {
if addr == "" {
return nil
}
if !cli.d.HasExperimental() {
return errors.New("metrics-addr is only supported when experimental is enabled")
}
if err := allocateDaemonPort(addr); err != nil {
return err
}
l, err := net.Listen("tcp", addr)
if err != nil {
return err
}
mux := http.NewServeMux()
mux.Handle("/metrics", metrics.Handler())
go func() {
if err := http.Serve(l, mux); err != nil {
logrus.Errorf("serve metrics api: %s", err)
}
}()
return nil
}