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modify fsStats to fsStatsType to avoid confusion with cadvisor types

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This commit is contained in:
derekwaynecarr
2016-07-25 22:40:22 -04:00
parent 9604b47c13
commit 0de1e62b30
4 changed files with 22 additions and 20 deletions
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26
pkg/kubelet/eviction/helpers.go
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@@ -255,6 +255,7 @@ func memoryUsage(memStats *statsapi.MemoryStats) *resource.Quantity {
}
// localVolumeNames returns the set of volumes for the pod that are local
// TODO: sumamry API should report what volumes consume local storage rather than hard-code here.
func localVolumeNames(pod *api.Pod) []string {
result := []string{}
for _, volume := range pod.Spec.Volumes {
@@ -269,22 +270,23 @@ func localVolumeNames(pod *api.Pod) []string {
}
// podDiskUsage aggregates pod disk usage for the specified stats to measure.
func podDiskUsage(podStats statsapi.PodStats, pod *api.Pod, statsToMeasure []fsStats) (api.ResourceList, error) {
func podDiskUsage(podStats statsapi.PodStats, pod *api.Pod, statsToMeasure []fsStatsType) (api.ResourceList, error) {
disk := resource.Quantity{Format: resource.BinarySI}
for _, container := range podStats.Containers {
if hasFsStats(statsToMeasure, fsStatsRoot) {
if hasFsStatsType(statsToMeasure, fsStatsRoot) {
disk.Add(*diskUsage(container.Rootfs))
}
if hasFsStats(statsToMeasure, fsStatsLogs) {
if hasFsStatsType(statsToMeasure, fsStatsLogs) {
disk.Add(*diskUsage(container.Logs))
}
}
if hasFsStats(statsToMeasure, fsStatsLocalVolumeSource) {
if hasFsStatsType(statsToMeasure, fsStatsLocalVolumeSource) {
volumeNames := localVolumeNames(pod)
for _, volumeName := range volumeNames {
for _, volumeStats := range podStats.VolumeStats {
if volumeStats.Name == volumeName {
disk.Add(*diskUsage(&volumeStats.FsStats))
break
}
}
}
@@ -451,7 +453,7 @@ func memory(stats statsFunc) cmpFunc {
}
// disk compares pods by largest consumer of disk relative to request.
func disk(stats statsFunc, fsStatsToMeasure []fsStats) cmpFunc {
func disk(stats statsFunc, fsStatsToMeasure []fsStatsType) cmpFunc {
return func(p1, p2 *api.Pod) int {
p1Stats, found := stats(p1)
// if we have no usage stats for p1, we want p2 first
@@ -489,7 +491,7 @@ func rankMemoryPressure(pods []*api.Pod, stats statsFunc) {
}
// rankDiskPressureFunc returns a rankFunc that measures the specified fs stats.
func rankDiskPressureFunc(fsStatsToMeasure []fsStats) rankFunc {
func rankDiskPressureFunc(fsStatsToMeasure []fsStatsType) rankFunc {
return func(pods []*api.Pod, stats statsFunc) {
orderedBy(qosComparator, disk(stats, fsStatsToMeasure)).Sort(pods)
}
@@ -622,8 +624,8 @@ func nodeConditionsObservedSince(observedAt nodeConditionsObservedAt, period tim
return results
}
// hgasFsStats returns true if the fsStat is in the input list
func hasFsStats(inputs []fsStats, item fsStats) bool {
// hasFsStatsType returns true if the fsStat is in the input list
func hasFsStatsType(inputs []fsStatsType, item fsStatsType) bool {
for _, input := range inputs {
if input == item {
return true
@@ -676,7 +678,7 @@ func isSoftEviction(thresholds []Threshold, starvedResource api.ResourceName) bo
return true
}
// buildresourceToRankFunc returns ranking functions associated with resources
// buildResourceToRankFunc returns ranking functions associated with resources
func buildResourceToRankFunc(withImageFs bool) map[api.ResourceName]rankFunc {
resourceToRankFunc := map[api.ResourceName]rankFunc{
api.ResourceMemory: rankMemoryPressure,
@@ -684,12 +686,12 @@ func buildResourceToRankFunc(withImageFs bool) map[api.ResourceName]rankFunc {
// usage of an imagefs is optional
if withImageFs {
// with an imagefs, nodefs pod rank func for eviction only includes logs and local volumes
resourceToRankFunc[resourceNodeFs] = rankDiskPressureFunc([]fsStats{fsStatsLogs, fsStatsLocalVolumeSource})
resourceToRankFunc[resourceNodeFs] = rankDiskPressureFunc([]fsStatsType{fsStatsLogs, fsStatsLocalVolumeSource})
// with an imagefs, imagefs pod rank func for eviction only includes rootfs
resourceToRankFunc[resourceImageFs] = rankDiskPressureFunc([]fsStats{fsStatsRoot})
resourceToRankFunc[resourceImageFs] = rankDiskPressureFunc([]fsStatsType{fsStatsRoot})
} else {
// without an imagefs, nodefs pod rank func for eviction looks at all fs stats
resourceToRankFunc[resourceNodeFs] = rankDiskPressureFunc([]fsStats{fsStatsRoot, fsStatsLogs, fsStatsLocalVolumeSource})
resourceToRankFunc[resourceNodeFs] = rankDiskPressureFunc([]fsStatsType{fsStatsRoot, fsStatsLogs, fsStatsLocalVolumeSource})
}
return resourceToRankFunc
}