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kubelet stats should ignore .mount cgroups associated with container on systemd

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This commit is contained in:
derekwaynecarr 2016-03-07 13:33:40 -05:00
parent a914bbd0b8
commit 26dbbdb244
1 changed files with 8 additions and 1 deletions
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9
pkg/kubelet/server/stats/summary.go
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@ -19,6 +19,7 @@ package stats
import (
"fmt"
"runtime"
"strings"
"time"
"k8s.io/kubernetes/pkg/api"
@ -184,7 +185,13 @@ func (sb *summaryBuilder) latestContainerStats(info *cadvisorapiv2.ContainerInfo
func (sb *summaryBuilder) buildSummaryPods() []stats.PodStats {
// Map each container to a pod and update the PodStats with container data
podToStats := map[stats.PodReference]*stats.PodStats{}
for _, cinfo := range sb.infos {
for key, cinfo := range sb.infos {
// on systemd using devicemapper each mount into the container has an associated cgroup.
// we ignore them to ensure we do not get duplicate entries in our summary.
// for details on .mount units: http://man7.org/linux/man-pages/man5/systemd.mount.5.html
if strings.HasSuffix(key, ".mount") {
continue
}
// Build the Pod key if this container is managed by a Pod
if !sb.isPodManagedContainer(&cinfo) {
continue