cff4f20c44
The github.com/containerd/containerd/log package was moved to a separate module, which will also be used by upcoming (patch) releases of containerd. This patch moves our own uses of the package to use the new module. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
38 lines
917 B
Go
38 lines
917 B
Go
package main
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import (
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"context"
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"net"
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"net/http"
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"strings"
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"time"
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"github.com/containerd/log"
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metrics "github.com/docker/go-metrics"
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)
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func startMetricsServer(addr string) error {
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if addr == "" {
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return nil
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}
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if err := allocateDaemonPort(addr); err != nil {
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return err
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}
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l, err := net.Listen("tcp", addr)
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if err != nil {
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return err
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}
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mux := http.NewServeMux()
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mux.Handle("/metrics", metrics.Handler())
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go func() {
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log.G(context.TODO()).Infof("metrics API listening on %s", l.Addr())
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srv := &http.Server{
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Handler: mux,
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ReadHeaderTimeout: 5 * time.Minute, // "G112: Potential Slowloris Attack (gosec)"; not a real concern for our use, so setting a long timeout.
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}
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if err := srv.Serve(l); err != nil && !strings.Contains(err.Error(), "use of closed network connection") {
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log.G(context.TODO()).WithError(err).Error("error serving metrics API")
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}
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}()
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return nil
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}
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