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Merge pull request #101708 from joelsmith/master

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Fix log spam for du failure on pod etc-hosts metrics
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Kubernetes Prow Robot 2021-05-04 11:08:14 -07:00 committed by GitHub
commit ae3250165a
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5
pkg/kubelet/stats/host_stats_provider.go
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@ -18,6 +18,7 @@ package stats
import ( import (
"fmt" "fmt"
"os"
"path/filepath" "path/filepath"
cadvisorapiv2 "github.com/google/cadvisor/info/v2" cadvisorapiv2 "github.com/google/cadvisor/info/v2"
@ -84,6 +85,10 @@ func (h hostStatsProvider) getPodEtcHostsStats(podUID types.UID, rootFsInfo *cad
if !isEtcHostsSupported { if !isEtcHostsSupported {
return nil, nil return nil, nil
} }
// Some pods have an explicit /etc/hosts mount and the Kubelet will not create an etc-hosts file for them
if _, err := os.Stat(podEtcHostsPath); os.IsNotExist(err) {
return nil, nil
}
metrics := volume.NewMetricsDu(podEtcHostsPath) metrics := volume.NewMetricsDu(podEtcHostsPath)
hostMetrics, err := metrics.GetMetrics() hostMetrics, err := metrics.GetMetrics()