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Set imagefs rank and reclaim functions when nodefs+imagefs share common device

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This commit is contained in:
derekwaynecarr 2016-08-26 11:08:43 -04:00
parent 6eb279ee6e
commit 6a7eb7b420
1 changed files with 7 additions and 1 deletions
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8
pkg/kubelet/eviction/helpers.go
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@ -834,9 +834,12 @@ func buildResourceToRankFunc(withImageFs bool) map[api.ResourceName]rankFunc {
resourceToRankFunc[resourceImageFs] = rankDiskPressureFunc([]fsStatsType{fsStatsRoot}, resourceDisk)
resourceToRankFunc[resourceImageFsInodes] = rankDiskPressureFunc([]fsStatsType{fsStatsRoot}, resourceInodes)
} else {
// without an imagefs, nodefs pod rank func for eviction looks at all fs stats
// without an imagefs, nodefs pod rank func for eviction looks at all fs stats.
// since imagefs and nodefs share a common device, they share common ranking functions.
resourceToRankFunc[resourceNodeFs] = rankDiskPressureFunc([]fsStatsType{fsStatsRoot, fsStatsLogs, fsStatsLocalVolumeSource}, resourceDisk)
resourceToRankFunc[resourceNodeFsInodes] = rankDiskPressureFunc([]fsStatsType{fsStatsRoot, fsStatsLogs, fsStatsLocalVolumeSource}, resourceInodes)
resourceToRankFunc[resourceImageFs] = rankDiskPressureFunc([]fsStatsType{fsStatsRoot, fsStatsLogs, fsStatsLocalVolumeSource}, resourceDisk)
resourceToRankFunc[resourceImageFsInodes] = rankDiskPressureFunc([]fsStatsType{fsStatsRoot, fsStatsLogs, fsStatsLocalVolumeSource}, resourceInodes)
}
return resourceToRankFunc
}
@ -859,8 +862,11 @@ func buildResourceToNodeReclaimFuncs(imageGC ImageGC, withImageFs bool) map[api.
resourceToReclaimFunc[resourceImageFsInodes] = nodeReclaimFuncs{deleteImages(imageGC, false)}
} else {
// without an imagefs, nodefs pressure should delete logs, and unused images
// since imagefs and nodefs share a common device, they share common reclaim functions
resourceToReclaimFunc[resourceNodeFs] = nodeReclaimFuncs{deleteLogs(), deleteImages(imageGC, true)}
resourceToReclaimFunc[resourceNodeFsInodes] = nodeReclaimFuncs{deleteLogs(), deleteImages(imageGC, false)}
resourceToReclaimFunc[resourceImageFs] = nodeReclaimFuncs{deleteLogs(), deleteImages(imageGC, true)}
resourceToReclaimFunc[resourceImageFsInodes] = nodeReclaimFuncs{deleteLogs(), deleteImages(imageGC, false)}
}
return resourceToReclaimFunc
}