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continue searching on bad size and add tests for bad size&mode

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This commit is contained in:
Matthew Wong 2016-08-17 10:42:52 -04:00
parent fe817674ab
commit 6486576f56
2 changed files with 23 additions and 2 deletions
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4
pkg/controller/volume/persistentvolume/index.go
View File

@ -119,11 +119,11 @@ func (pvIndex *persistentVolumeOrderedIndex) findByClaim(claim *api.PersistentVo
if isVolumeBoundToClaim(volume, claim) {
// this claim and volume are pre-bound; return
// the volume if the size request is satisfied,
// otherwise leave the claim pending
// otherwise continue searching for a match
volumeQty := volume.Spec.Capacity[api.ResourceStorage]
volumeSize := volumeQty.Value()
if volumeSize < requestedSize {
return nil, nil
continue
}
return volume, nil
}

21
pkg/controller/volume/persistentvolume/index_test.go
View File

@ -610,11 +610,16 @@ func TestFindingPreboundVolumes(t *testing.T) {
pv1 := testVolume("pv1", "1Gi")
pv5 := testVolume("pv5", "5Gi")
pv8 := testVolume("pv8", "8Gi")
pvBadSize := testVolume("pvBadSize", "1Mi")
pvBadMode := testVolume("pvBadMode", "1Gi")
pvBadMode.Spec.AccessModes = []api.PersistentVolumeAccessMode{api.ReadOnlyMany}
index := newPersistentVolumeOrderedIndex()
index.store.Add(pv1)
index.store.Add(pv5)
index.store.Add(pv8)
index.store.Add(pvBadSize)
index.store.Add(pvBadMode)
// expected exact match on size
volume, _ := index.findBestMatchForClaim(claim)
@ -636,6 +641,22 @@ func TestFindingPreboundVolumes(t *testing.T) {
if volume.Name != pv8.Name {
t.Errorf("Expected %s but got volume %s instead", pv8.Name, volume.Name)
}
// pretend the volume with too small a size is pre-bound to the claim. should get the exact match.
pv8.Spec.ClaimRef = nil
pvBadSize.Spec.ClaimRef = claimRef
volume, _ = index.findBestMatchForClaim(claim)
if volume.Name != pv1.Name {
t.Errorf("Expected %s but got volume %s instead", pv1.Name, volume.Name)
}
// pretend the volume without the right access mode is pre-bound to the claim. should get the exact match.
pvBadSize.Spec.ClaimRef = nil
pvBadMode.Spec.ClaimRef = claimRef
volume, _ = index.findBestMatchForClaim(claim)
if volume.Name != pv1.Name {
t.Errorf("Expected %s but got volume %s instead", pv1.Name, volume.Name)
}
}
// byCapacity is used to order volumes by ascending storage size