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provisioning: Add unit testso for provisioning errors.

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This commit is contained in:
Jan Safranek 2016-05-17 14:55:29 +02:00
parent c24b33793c
commit c6f05c8056
1 changed files with 133 additions and 14 deletions
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147
pkg/controller/persistentvolume/persistentvolume_provision_test.go
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@ -81,26 +81,145 @@ func TestProvisionSync(t *testing.T) {
newClaimArray("claim11-6", "uid11-6", "1Gi", "", api.ClaimPending, annClass),
// Binding will be completed in the next syncClaim
newClaimArray("claim11-6", "uid11-6", "1Gi", "", api.ClaimPending, annClass),
noevents,
noevents, noerrors,
// No provisioning plugin confingure - makes the test fail when
// the controller errorneously tries to provision something
wrapTestWithControllerConfig(operationProvision, []error{nil}, testSyncClaim),
},
/* {
// Provision success? - claim is bound before provisioner creates
// a volume.
"11-7 - claim is bound before provisioning",
novolumes,
novolumes,
[]*api.PersistentVolumeClaim{
newClaim("claim11-7", "uid11-7", "1Gi", "", api.ClaimPending, annClass),
{
// Provision success? - claim is bound before provisioner creates
// a volume.
"11-7 - claim is bound before provisioning",
novolumes,
newVolumeArray("pv-provisioned-for-uid11-7", "1Gi", "uid11-7", "claim11-7", api.VolumeBound, api.PersistentVolumeReclaimDelete, annBoundByController, annDynamicallyProvisioned),
newClaimArray("claim11-7", "uid11-7", "1Gi", "", api.ClaimPending, annClass),
// The claim would be bound in next syncClaim
newClaimArray("claim11-7", "uid11-7", "1Gi", "", api.ClaimPending, annClass),
noevents, noerrors,
wrapTestWithInjectedOperation(wrapTestWithControllerConfig(operationProvision, []error{}, testSyncClaim), func(ctrl *PersistentVolumeController, reactor *volumeReactor) {
// Create a volume before provisionClaimOperation starts.
// This similates a parallel controller provisioning the volume.
reactor.lock.Lock()
volume := newVolume("pv-provisioned-for-uid11-7", "1Gi", "uid11-7", "claim11-7", api.VolumeBound, api.PersistentVolumeReclaimDelete, annBoundByController, annDynamicallyProvisioned)
reactor.volumes[volume.Name] = volume
reactor.lock.Unlock()
}),
},
{
// Provision success - cannot save provisioned PV once,
// second retry succeeds
"11-8 - cannot save provisioned volume",
novolumes,
newVolumeArray("pv-provisioned-for-uid11-8", "1Gi", "uid11-8", "claim11-8", api.VolumeBound, api.PersistentVolumeReclaimDelete, annBoundByController, annDynamicallyProvisioned),
newClaimArray("claim11-8", "uid11-8", "1Gi", "", api.ClaimPending, annClass),
// Binding will be completed in the next syncClaim
newClaimArray("claim11-8", "uid11-8", "1Gi", "", api.ClaimPending, annClass),
noevents,
[]reactorError{
// Inject error to the first
// kubeclient.PersistentVolumes.Create() call. All other calls
// will succeed.
{"create", "persistentvolumes", errors.New("Mock creation error")},
},
wrapTestWithControllerConfig(operationProvision, []error{nil}, testSyncClaim),
},
{
// Provision success? - cannot save provisioned PV five times,
// volume is deleted and delete succeeds
"11-9 - cannot save provisioned volume, delete succeeds",
novolumes,
novolumes,
newClaimArray("claim11-9", "uid11-9", "1Gi", "", api.ClaimPending, annClass),
newClaimArray("claim11-9", "uid11-9", "1Gi", "", api.ClaimPending, annClass),
[]string{"Warning ProvisioningFailed"},
[]reactorError{
// Inject error to five kubeclient.PersistentVolumes.Create()
// calls
{"create", "persistentvolumes", errors.New("Mock creation error1")},
{"create", "persistentvolumes", errors.New("Mock creation error2")},
{"create", "persistentvolumes", errors.New("Mock creation error3")},
{"create", "persistentvolumes", errors.New("Mock creation error4")},
{"create", "persistentvolumes", errors.New("Mock creation error5")},
},
wrapTestWithControllerConfig(operationDelete, []error{nil},
wrapTestWithControllerConfig(operationProvision, []error{nil}, testSyncClaim)),
},
{
// Provision failure - cannot save provisioned PV five times,
// volume delete failed - no plugin found
"11-10 - cannot save provisioned volume, no delete plugin found",
novolumes,
novolumes,
newClaimArray("claim11-10", "uid11-10", "1Gi", "", api.ClaimPending, annClass),
newClaimArray("claim11-10", "uid11-10", "1Gi", "", api.ClaimPending, annClass),
[]string{"Warning ProvisioningFailed", "Warning ProvisioningCleanupFailed"},
[]reactorError{
// Inject error to five kubeclient.PersistentVolumes.Create()
// calls
{"create", "persistentvolumes", errors.New("Mock creation error1")},
{"create", "persistentvolumes", errors.New("Mock creation error2")},
{"create", "persistentvolumes", errors.New("Mock creation error3")},
{"create", "persistentvolumes", errors.New("Mock creation error4")},
{"create", "persistentvolumes", errors.New("Mock creation error5")},
},
// No deleteCalls are configured, which results into no deleter plugin available for the volume
wrapTestWithControllerConfig(operationProvision, []error{nil}, testSyncClaim),
},
{
// Provision failure - cannot save provisioned PV five times,
// volume delete failed - deleter returns error five times
"11-11 - cannot save provisioned volume, deleter fails",
novolumes,
novolumes,
newClaimArray("claim11-11", "uid11-11", "1Gi", "", api.ClaimPending, annClass),
newClaimArray("claim11-11", "uid11-11", "1Gi", "", api.ClaimPending, annClass),
[]string{"Warning ProvisioningFailed", "Warning ProvisioningCleanupFailed"},
[]reactorError{
// Inject error to five kubeclient.PersistentVolumes.Create()
// calls
{"create", "persistentvolumes", errors.New("Mock creation error1")},
{"create", "persistentvolumes", errors.New("Mock creation error2")},
{"create", "persistentvolumes", errors.New("Mock creation error3")},
{"create", "persistentvolumes", errors.New("Mock creation error4")},
{"create", "persistentvolumes", errors.New("Mock creation error5")},
},
wrapTestWithControllerConfig(
operationDelete, []error{
errors.New("Mock deletion error1"),
errors.New("Mock deletion error2"),
errors.New("Mock deletion error3"),
errors.New("Mock deletion error4"),
errors.New("Mock deletion error5"),
},
[]*api.PersistentVolumeClaim{
newClaim("claim11-7", "uid11-7", "1Gi", "volume11-7", api.ClaimBound, annClass, annBindCompleted),
wrapTestWithControllerConfig(operationProvision, []error{nil}, testSyncClaim),
),
},
{
// Provision failure - cannot save provisioned PV five times,
// volume delete succeeds 2nd time
"11-12 - cannot save provisioned volume, delete succeeds 2nd time",
novolumes,
novolumes,
newClaimArray("claim11-12", "uid11-12", "1Gi", "", api.ClaimPending, annClass),
newClaimArray("claim11-12", "uid11-12", "1Gi", "", api.ClaimPending, annClass),
[]string{"Warning ProvisioningFailed"},
[]reactorError{
// Inject error to five kubeclient.PersistentVolumes.Create()
// calls
{"create", "persistentvolumes", errors.New("Mock creation error1")},
{"create", "persistentvolumes", errors.New("Mock creation error2")},
{"create", "persistentvolumes", errors.New("Mock creation error3")},
{"create", "persistentvolumes", errors.New("Mock creation error4")},
{"create", "persistentvolumes", errors.New("Mock creation error5")},
},
wrapTestWithControllerConfig(
operationDelete, []error{
errors.New("Mock deletion error1"),
nil,
},
[]string{"Warning ProvisioningFailed"},
getSyncClaimWithOperation(operationProvision, []error{errors.New("Moc provisioner error")}),
}, */
wrapTestWithControllerConfig(operationProvision, []error{nil}, testSyncClaim),
),
},
}
runSyncTests(t, tests)
}