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fix eviction event formatting

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This commit is contained in:
David Ashpole 2018-06-11 11:38:00 -07:00
parent 93b6d026d9
commit b7deb6d9e0
2 changed files with 16 additions and 16 deletions
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8
pkg/kubelet/eviction/eviction_manager.go
View File

@ -157,7 +157,7 @@ func (m *managerImpl) Admit(attrs *lifecycle.PodAdmitAttributes) lifecycle.PodAd
return lifecycle.PodAdmitResult{
Admit: false,
Reason: Reason,
Message: fmt.Sprintf(message, m.nodeConditions),
Message: fmt.Sprintf(nodeLowMessageFmt, m.nodeConditions),
}
}
@ -478,7 +478,7 @@ func (m *managerImpl) emptyDirLimitEviction(podStats statsapi.PodStats, pod *v1.
used := podVolumeUsed[pod.Spec.Volumes[i].Name]
if used != nil && size != nil && size.Sign() == 1 && used.Cmp(*size) > 0 {
// the emptyDir usage exceeds the size limit, evict the pod
return m.evictPod(pod, 0, fmt.Sprintf(emptyDirMessage, pod.Spec.Volumes[i].Name, size.String()), nil)
return m.evictPod(pod, 0, fmt.Sprintf(emptyDirMessageFmt, pod.Spec.Volumes[i].Name, size.String()), nil)
}
}
}
@ -510,7 +510,7 @@ func (m *managerImpl) podEphemeralStorageLimitEviction(podStats statsapi.PodStat
podEphemeralStorageLimit := podLimits[v1.ResourceEphemeralStorage]
if podEphemeralStorageTotalUsage.Cmp(podEphemeralStorageLimit) > 0 {
// the total usage of pod exceeds the total size limit of containers, evict the pod
return m.evictPod(pod, 0, fmt.Sprintf(podEphemeralStorageMessage, podEphemeralStorageLimit.String()), nil)
return m.evictPod(pod, 0, fmt.Sprintf(podEphemeralStorageMessageFmt, podEphemeralStorageLimit.String()), nil)
}
return false
}
@ -532,7 +532,7 @@ func (m *managerImpl) containerEphemeralStorageLimitEviction(podStats statsapi.P
if ephemeralStorageThreshold, ok := thresholdsMap[containerStat.Name]; ok {
if ephemeralStorageThreshold.Cmp(*containerUsed) < 0 {
return m.evictPod(pod, 0, fmt.Sprintf(containerEphemeralStorageMessage, containerStat.Name, ephemeralStorageThreshold.String()), nil)
return m.evictPod(pod, 0, fmt.Sprintf(containerEphemeralStorageMessageFmt, containerStat.Name, ephemeralStorageThreshold.String()), nil)
}
}

24
pkg/kubelet/eviction/helpers.go
View File

@ -38,16 +38,16 @@ const (
unsupportedEvictionSignal = "unsupported eviction signal %v"
// Reason is the reason reported back in status.
Reason = "Evicted"
// the message associated with the reason.
message = "The node was low on resource: %v. "
// additional information for containers exceeding requests
containerMessage = "Container %s was using %s, which exceeds its request of %s. "
// additional information for containers which have exceeded their ES limit
containerEphemeralStorageMessage = "Container %s exceeded its local ephemeral storage limit %q. "
// additional information for pods which have exceeded their ES limit
podEphemeralStorageMessage = "Pod ephemeral local storage usage exceeds the total limit of containers %s. "
// additional information for empty-dir volumes which have exceeded their size limit
emptyDirMessage = "Usage of EmptyDir volume %q exceeds the limit %q. "
// nodeLowMessageFmt is the message for evictions due to resource pressure.
nodeLowMessageFmt = "The node was low on resource: %v. "
// containerMessageFmt provides additional information for containers exceeding requests
containerMessageFmt = "Container %s was using %s, which exceeds its request of %s. "
// containerEphemeralStorageMessageFmt provides additional information for containers which have exceeded their ES limit
containerEphemeralStorageMessageFmt = "Container %s exceeded its local ephemeral storage limit %q. "
// podEphemeralStorageMessageFmt provides additional information for pods which have exceeded their ES limit
podEphemeralStorageMessageFmt = "Pod ephemeral local storage usage exceeds the total limit of containers %s. "
// emptyDirMessageFmt provides additional information for empty-dir volumes which have exceeded their size limit
emptyDirMessageFmt = "Usage of EmptyDir volume %q exceeds the limit %q. "
// inodes, number. internal to this module, used to account for local disk inode consumption.
resourceInodes v1.ResourceName = "inodes"
// OffendingContainersKey is the key in eviction event annotations for the list of container names which exceeded their requests
@ -1061,7 +1061,7 @@ func buildSignalToNodeReclaimFuncs(imageGC ImageGC, containerGC ContainerGC, wit
// evictionMessage constructs a useful message about why an eviction occurred, and annotations to provide metadata about the eviction
func evictionMessage(resourceToReclaim v1.ResourceName, pod *v1.Pod, stats statsFunc) (message string, annotations map[string]string) {
annotations = make(map[string]string)
message = fmt.Sprintf(message, resourceToReclaim)
message = fmt.Sprintf(nodeLowMessageFmt, resourceToReclaim)
containers := []string{}
containerUsage := []string{}
podStats, ok := stats(pod)
@ -1084,7 +1084,7 @@ func evictionMessage(resourceToReclaim v1.ResourceName, pod *v1.Pod, stats stats
}
}
if usage != nil && usage.Cmp(requests) > 0 {
message += fmt.Sprintf(containerMessage, container.Name, usage.String(), requests.String())
message += fmt.Sprintf(containerMessageFmt, container.Name, usage.String(), requests.String())
containers = append(containers, container.Name)
containerUsage = append(containerUsage, usage.String())
}