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VolumeMode binding logic update

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This commit is contained in:
Scott Creeley
2017-10-03 10:59:38 -04:00
parent 02f803cc02
commit 86742a2c92
6 changed files with 535 additions and 0 deletions
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209
pkg/controller/volume/persistentvolume/binder_test.go
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@@ -21,6 +21,7 @@ import (
"k8s.io/api/core/v1"
storage "k8s.io/api/storage/v1"
utilfeature "k8s.io/apiserver/pkg/util/feature"
)
// Test single call to syncClaim and syncVolume methods.
@@ -33,6 +34,8 @@ func TestSync(t *testing.T) {
"foo": "true",
"bar": "false",
}
modeBlock := v1.PersistentVolumeBlock
modeFile := v1.PersistentVolumeFilesystem
tests := []controllerTest{
// [Unit test set 1] User did not care which PV they get.
@@ -517,10 +520,216 @@ func TestSync(t *testing.T) {
newClaimArray("claim13-5", "uid13-5", "1Gi", "volume13-5", v1.ClaimBound, nil, annBoundByController, annBindCompleted),
noevents, noerrors, testSyncClaim,
},
// All of these should bind as feature set is not enabled for BlockVolume
// meaning volumeMode will be ignored and dropped
{
// syncVolume binds a requested block claim to a block volume
"14-1 - binding to volumeMode block",
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-1", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-1", "10Gi", "uid14-1", "claim14-1", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty, annBoundByController)),
withClaimVolumeMode(&modeBlock, newClaimArray("claim14-1", "uid14-1", "10Gi", "", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeBlock, newClaimArray("claim14-1", "uid14-1", "10Gi", "volume14-1", v1.ClaimBound, nil, annBoundByController, annBindCompleted)),
noevents, noerrors, testSyncClaim,
},
{
// syncVolume binds a requested filesystem claim to a filesystem volume
"14-2 - binding to volumeMode filesystem",
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-2", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-2", "10Gi", "uid14-2", "claim14-2", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty, annBoundByController)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-2", "uid14-2", "10Gi", "", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-2", "uid14-2", "10Gi", "volume14-2", v1.ClaimBound, nil, annBoundByController, annBindCompleted)),
noevents, noerrors, testSyncClaim,
},
{
// syncVolume binds an unspecified volumemode for claim to a specified filesystem volume
"14-3 - binding to volumeMode filesystem using default for claim",
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-3", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-3", "10Gi", "uid14-3", "claim14-3", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty, annBoundByController)),
withClaimVolumeMode(nil, newClaimArray("claim14-3", "uid14-3", "10Gi", "", v1.ClaimPending, nil)),
withClaimVolumeMode(nil, newClaimArray("claim14-3", "uid14-3", "10Gi", "volume14-3", v1.ClaimBound, nil, annBoundByController, annBindCompleted)),
noevents, noerrors, testSyncClaim,
},
{
// syncVolume binds a requested filesystem claim to an unspecified volumeMode for volume
"14-4 - binding to unspecified volumeMode using requested filesystem for claim",
withVolumeVolumeMode(nil, newVolumeArray("volume14-4", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(nil, newVolumeArray("volume14-4", "10Gi", "uid14-4", "claim14-4", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty, annBoundByController)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-4", "uid14-4", "10Gi", "", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-4", "uid14-4", "10Gi", "volume14-4", v1.ClaimBound, nil, annBoundByController, annBindCompleted)),
noevents, noerrors, testSyncClaim,
},
{
// syncVolume binds a requested filesystem claim to an unspecified volumeMode for volume
"14-5 - binding different volumeModes should be ignored",
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-5", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-5", "10Gi", "uid14-5", "claim14-5", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty, annBoundByController)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-5", "uid14-5", "10Gi", "", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-5", "uid14-5", "10Gi", "volume14-5", v1.ClaimBound, nil, annBoundByController, annBindCompleted)),
noevents, noerrors, testSyncClaim,
},
}
runSyncTests(t, tests, []*storage.StorageClass{})
}
func TestSyncAlphaBlockVolume(t *testing.T) {
modeBlock := v1.PersistentVolumeBlock
modeFile := v1.PersistentVolumeFilesystem
// Tests assume defaulting, so feature enabled will never have nil volumeMode
tests := []controllerTest{
// PVC with VolumeMode
{
// syncVolume binds a requested block claim to a block volume
"14-1 - binding to volumeMode block",
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-1", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-1", "10Gi", "uid14-1", "claim14-1", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty, annBoundByController)),
withClaimVolumeMode(&modeBlock, newClaimArray("claim14-1", "uid14-1", "10Gi", "", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeBlock, newClaimArray("claim14-1", "uid14-1", "10Gi", "volume14-1", v1.ClaimBound, nil, annBoundByController, annBindCompleted)),
noevents, noerrors, testSyncClaim,
},
{
// syncVolume binds a requested filesystem claim to a filesystem volume
"14-2 - binding to volumeMode filesystem",
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-2", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-2", "10Gi", "uid14-2", "claim14-2", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty, annBoundByController)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-2", "uid14-2", "10Gi", "", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-2", "uid14-2", "10Gi", "volume14-2", v1.ClaimBound, nil, annBoundByController, annBindCompleted)),
noevents, noerrors, testSyncClaim,
},
{
// failed syncVolume do not bind to an unspecified volumemode for claim to a specified filesystem volume
"14-3 - do not bind pv volumeMode filesystem and pvc volumeMode block",
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-3", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-3", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withClaimVolumeMode(&modeBlock, newClaimArray("claim14-3", "uid14-3", "10Gi", "", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeBlock, newClaimArray("claim14-3", "uid14-3", "10Gi", "", v1.ClaimPending, nil)),
[]string{"Normal FailedBinding"},
noerrors, testSyncClaim,
},
{
// failed syncVolume do not bind a requested filesystem claim to an unspecified volumeMode for volume
"14-4 - do not bind pv volumeMode block and pvc volumeMode filesystem",
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-4", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-4", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-4", "uid14-4", "10Gi", "", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-4", "uid14-4", "10Gi", "", v1.ClaimPending, nil)),
[]string{"Normal FailedBinding"},
noerrors, testSyncClaim,
},
{
// failed syncVolume do not bind when matching class but not matching volumeModes
"14-5 - do not bind when matching class but not volumeMode",
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-5", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classGold)),
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-5", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classGold)),
withClaimVolumeMode(&modeBlock, newClaimArray("claim14-5", "uid14-5", "10Gi", "", v1.ClaimPending, &classGold)),
withClaimVolumeMode(&modeBlock, newClaimArray("claim14-5", "uid14-5", "10Gi", "", v1.ClaimPending, &classGold)),
[]string{"Warning ProvisioningFailed"},
noerrors, testSyncClaim,
},
{
// failed syncVolume do not bind when matching volumeModes but class does not match
"14-5-1 - do not bind when matching volumeModes but class does not match",
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-5-1", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classGold)),
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-5-1", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classGold)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-5-1", "uid14-5-1", "10Gi", "", v1.ClaimPending, &classSilver)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-5-1", "uid14-5-1", "10Gi", "", v1.ClaimPending, &classSilver)),
[]string{"Warning ProvisioningFailed"},
noerrors, testSyncClaim,
},
{
// failed syncVolume do not bind when pvc is prebound to pv with matching volumeModes but class does not match
"14-5-2 - do not bind when pvc is prebound to pv with matching volumeModes but class does not match",
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-5-2", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classGold)),
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-5-2", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classGold)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-5-2", "uid14-5-2", "10Gi", "volume14-5-2", v1.ClaimPending, &classSilver)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-5-2", "uid14-5-2", "10Gi", "volume14-5-2", v1.ClaimPending, &classSilver)),
[]string{"Warning VolumeMismatch"},
noerrors, testSyncClaim,
},
{
// syncVolume bind when pv is prebound and volumeModes match
"14-7 - bind when pv volume is prebound and volumeModes match",
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-7", "10Gi", "", "claim14-7", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-7", "10Gi", "uid14-7", "claim14-7", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty)),
withClaimVolumeMode(&modeBlock, newClaimArray("claim14-7", "uid14-7", "10Gi", "", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeBlock, newClaimArray("claim14-7", "uid14-7", "10Gi", "volume14-7", v1.ClaimBound, nil, annBoundByController, annBindCompleted)),
noevents, noerrors, testSyncClaim,
},
{
// failed syncVolume do not bind when pvc is prebound to pv with mismatching volumeModes
"14-8 - do not bind when pvc is prebound to pv with mismatching volumeModes",
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-8", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-8", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-8", "uid14-8", "10Gi", "volume14-8", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-8", "uid14-8", "10Gi", "volume14-8", v1.ClaimPending, nil)),
[]string{"Warning VolumeMismatch"},
noerrors, testSyncClaim,
},
{
// failed syncVolume do not bind when pvc is prebound to pv with mismatching volumeModes
"14-8-1 - do not bind when pv is prebound to pvc with mismatching volumeModes",
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-8-1", "10Gi", "", "claim14-8-1", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-8-1", "10Gi", "", "claim14-8-1", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-8-1", "uid14-8-1", "10Gi", "", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-8-1", "uid14-8-1", "10Gi", "", v1.ClaimPending, nil)),
[]string{"Normal FailedBinding"},
noerrors, testSyncClaim,
},
{
// syncVolume binds when pvc is prebound to pv with matching volumeModes block
"14-9 - bind when pvc is prebound to pv with matching volumeModes block",
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-9", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-9", "10Gi", "uid14-9", "claim14-9", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty, annBoundByController)),
withClaimVolumeMode(&modeBlock, newClaimArray("claim14-9", "uid14-9", "10Gi", "volume14-9", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeBlock, newClaimArray("claim14-9", "uid14-9", "10Gi", "volume14-9", v1.ClaimBound, nil, annBindCompleted)),
noevents, noerrors, testSyncClaim,
},
{
// syncVolume binds when pv is prebound to pvc with matching volumeModes block
"14-10 - bind when pv is prebound to pvc with matching volumeModes block",
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-10", "10Gi", "", "claim14-10", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeBlock, newVolumeArray("volume14-10", "10Gi", "uid14-10", "claim14-10", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty)),
withClaimVolumeMode(&modeBlock, newClaimArray("claim14-10", "uid14-10", "10Gi", "", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeBlock, newClaimArray("claim14-10", "uid14-10", "10Gi", "volume14-10", v1.ClaimBound, nil, annBoundByController, annBindCompleted)),
noevents, noerrors, testSyncClaim,
},
{
// syncVolume binds when pvc is prebound to pv with matching volumeModes filesystem
"14-11 - bind when pvc is prebound to pv with matching volumeModes filesystem",
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-11", "10Gi", "", "", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-11", "10Gi", "uid14-11", "claim14-11", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty, annBoundByController)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-11", "uid14-11", "10Gi", "volume14-11", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-11", "uid14-11", "10Gi", "volume14-11", v1.ClaimBound, nil, annBindCompleted)),
noevents, noerrors, testSyncClaim,
},
{
// syncVolume binds when pv is prebound to pvc with matching volumeModes filesystem
"14-12 - bind when pv is prebound to pvc with matching volumeModes filesystem",
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-12", "10Gi", "", "claim14-12", v1.VolumePending, v1.PersistentVolumeReclaimRetain, classEmpty)),
withVolumeVolumeMode(&modeFile, newVolumeArray("volume14-12", "10Gi", "uid14-12", "claim14-12", v1.VolumeBound, v1.PersistentVolumeReclaimRetain, classEmpty)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-12", "uid14-12", "10Gi", "", v1.ClaimPending, nil)),
withClaimVolumeMode(&modeFile, newClaimArray("claim14-12", "uid14-12", "10Gi", "volume14-12", v1.ClaimBound, nil, annBoundByController, annBindCompleted)),
noevents, noerrors, testSyncClaim,
},
}
err := utilfeature.DefaultFeatureGate.Set("BlockVolume=true")
if err != nil {
t.Errorf("Failed to enable feature gate for BlockVolume: %v", err)
return
}
runSyncTests(t, tests, []*storage.StorageClass{})
err1 := utilfeature.DefaultFeatureGate.Set("BlockVolume=false")
if err1 != nil {
t.Errorf("Failed to disable feature gate for BlockVolume: %v", err)
return
}
}
// Test multiple calls to syncClaim/syncVolume and periodic sync of all
// volume/claims. The test follows this pattern:
// 0. Load the controller with initial data.