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added a comment to explain the usage of emptyDir volume in eviction test #127864

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This commit is contained in:
Anish Shah 2024-10-04 18:38:40 +00:00
parent 7abfa2dafb
commit 9af732a349
1 changed files with 8 additions and 0 deletions
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8
test/e2e_node/eviction_test.go
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@ -199,6 +199,8 @@ var _ = SIGDescribe("LocalStorageEviction", framework.WithSlow(), framework.With
runEvictionTest(f, pressureTimeout, expectedNodeCondition, expectedStarvedResource, logDiskMetrics, []podEvictSpec{ runEvictionTest(f, pressureTimeout, expectedNodeCondition, expectedStarvedResource, logDiskMetrics, []podEvictSpec{
{ {
evictionPriority: 1, evictionPriority: 1,
// TODO(#127864): Due to a race condition between eviction manager and containerd GC,
// we provision an emptyDir volume instead of writing to the writable container layers.
pod: diskConsumingPod("container-disk-hog", lotsOfDisk, &v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{}}, v1.ResourceRequirements{}), pod: diskConsumingPod("container-disk-hog", lotsOfDisk, &v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{}}, v1.ResourceRequirements{}),
}, },
{ {
@ -238,6 +240,8 @@ var _ = SIGDescribe("LocalStorageSoftEviction", framework.WithSlow(), framework.
runEvictionTest(f, pressureTimeout, expectedNodeCondition, expectedStarvedResource, logDiskMetrics, []podEvictSpec{ runEvictionTest(f, pressureTimeout, expectedNodeCondition, expectedStarvedResource, logDiskMetrics, []podEvictSpec{
{ {
evictionPriority: 1, evictionPriority: 1,
// TODO(#127864): Due to a race condition between eviction manager and containerd GC,
// we provision an emptyDir volume instead of writing to the writable container layers.
pod: diskConsumingPod("container-disk-hog", lotsOfDisk, &v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{}}, v1.ResourceRequirements{}), pod: diskConsumingPod("container-disk-hog", lotsOfDisk, &v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{}}, v1.ResourceRequirements{}),
}, },
{ {
@ -479,10 +483,14 @@ var _ = SIGDescribe("PriorityLocalStorageEvictionOrdering", framework.WithSlow()
specs := []podEvictSpec{ specs := []podEvictSpec{
{ {
evictionPriority: 2, evictionPriority: 2,
// TODO(#127864): Due to a race condition between eviction manager and containerd GC,
// we provision an emptyDir volume instead of writing to the writable container layers.
pod: diskConsumingPod("best-effort-disk", lotsOfDisk, &v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{}}, v1.ResourceRequirements{}), pod: diskConsumingPod("best-effort-disk", lotsOfDisk, &v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{}}, v1.ResourceRequirements{}),
}, },
{ {
evictionPriority: 1, evictionPriority: 1,
// TODO(#127864): Due to a race condition between eviction manager and containerd GC,
// we provision an emptyDir volume instead of writing to the writable container layers.
pod: diskConsumingPod("high-priority-disk", lotsOfDisk, &v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{}}, v1.ResourceRequirements{}), pod: diskConsumingPod("high-priority-disk", lotsOfDisk, &v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{}}, v1.ResourceRequirements{}),
}, },
{ {