Files
velero/pkg/controller/restore_controller_test.go
Gábor Lipták daf1a75515 Bring Go current in Travis
Signed-off-by: Gábor Lipták <gliptak@gmail.com>
2018-11-21 08:31:14 -05:00

929 lines
34 KiB
Go

/*
Copyright 2017 the Heptio Ark contributors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package controller
import (
"bytes"
"encoding/json"
"io"
"io/ioutil"
"testing"
"time"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
"github.com/stretchr/testify/require"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
core "k8s.io/client-go/testing"
"k8s.io/client-go/tools/cache"
api "github.com/heptio/ark/pkg/apis/ark/v1"
"github.com/heptio/ark/pkg/generated/clientset/versioned/fake"
informers "github.com/heptio/ark/pkg/generated/informers/externalversions"
listers "github.com/heptio/ark/pkg/generated/listers/ark/v1"
"github.com/heptio/ark/pkg/metrics"
"github.com/heptio/ark/pkg/persistence"
persistencemocks "github.com/heptio/ark/pkg/persistence/mocks"
"github.com/heptio/ark/pkg/plugin"
pluginmocks "github.com/heptio/ark/pkg/plugin/mocks"
"github.com/heptio/ark/pkg/restore"
"github.com/heptio/ark/pkg/util/collections"
arktest "github.com/heptio/ark/pkg/util/test"
"github.com/heptio/ark/pkg/volume"
)
func TestFetchBackupInfo(t *testing.T) {
tests := []struct {
name string
backupName string
informerLocations []*api.BackupStorageLocation
informerBackups []*api.Backup
backupStoreBackup *api.Backup
backupStoreError error
expectedRes *api.Backup
expectedErr bool
}{
{
name: "lister has backup",
backupName: "backup-1",
informerLocations: []*api.BackupStorageLocation{arktest.NewTestBackupStorageLocation().WithName("default").WithProvider("myCloud").WithObjectStorage("bucket").BackupStorageLocation},
informerBackups: []*api.Backup{arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup},
expectedRes: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup,
},
{
name: "lister does not have a backup, but backupSvc does",
backupName: "backup-1",
backupStoreBackup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup,
informerLocations: []*api.BackupStorageLocation{arktest.NewTestBackupStorageLocation().WithName("default").WithProvider("myCloud").WithObjectStorage("bucket").BackupStorageLocation},
informerBackups: []*api.Backup{arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup},
expectedRes: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup,
},
{
name: "no backup",
backupName: "backup-1",
backupStoreError: errors.New("no backup here"),
expectedErr: true,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
var (
client = fake.NewSimpleClientset()
restorer = &fakeRestorer{}
sharedInformers = informers.NewSharedInformerFactory(client, 0)
logger = arktest.NewLogger()
pluginManager = &pluginmocks.Manager{}
backupStore = &persistencemocks.BackupStore{}
)
defer restorer.AssertExpectations(t)
defer backupStore.AssertExpectations(t)
c := NewRestoreController(
api.DefaultNamespace,
sharedInformers.Ark().V1().Restores(),
client.ArkV1(),
client.ArkV1(),
restorer,
sharedInformers.Ark().V1().Backups(),
sharedInformers.Ark().V1().BackupStorageLocations(),
sharedInformers.Ark().V1().VolumeSnapshotLocations(),
logger,
logrus.InfoLevel,
func(logrus.FieldLogger) plugin.Manager { return pluginManager },
"default",
metrics.NewServerMetrics(),
).(*restoreController)
c.newBackupStore = func(*api.BackupStorageLocation, persistence.ObjectStoreGetter, logrus.FieldLogger) (persistence.BackupStore, error) {
return backupStore, nil
}
if test.backupStoreError == nil {
for _, itm := range test.informerLocations {
sharedInformers.Ark().V1().BackupStorageLocations().Informer().GetStore().Add(itm)
}
for _, itm := range test.informerBackups {
sharedInformers.Ark().V1().Backups().Informer().GetStore().Add(itm)
}
}
if test.backupStoreBackup != nil && test.backupStoreError != nil {
panic("developer error - only one of backupStoreBackup, backupStoreError can be non-nil")
}
if test.backupStoreError != nil {
// TODO why do I need .Maybe() here?
backupStore.On("GetBackupMetadata", test.backupName).Return(nil, test.backupStoreError).Maybe()
}
if test.backupStoreBackup != nil {
// TODO why do I need .Maybe() here?
backupStore.On("GetBackupMetadata", test.backupName).Return(test.backupStoreBackup, nil).Maybe()
}
info, err := c.fetchBackupInfo(test.backupName, pluginManager)
require.Equal(t, test.expectedErr, err != nil)
assert.Equal(t, test.expectedRes, info.backup)
})
}
}
func TestProcessRestoreSkips(t *testing.T) {
tests := []struct {
name string
restoreKey string
restore *api.Restore
expectError bool
}{
{
name: "invalid key returns error",
restoreKey: "invalid/key/value",
},
{
name: "missing restore returns error",
restoreKey: "foo/bar",
expectError: true,
},
{
name: "restore with phase InProgress does not get processed",
restoreKey: "foo/bar",
restore: arktest.NewTestRestore("foo", "bar", api.RestorePhaseInProgress).Restore,
},
{
name: "restore with phase Completed does not get processed",
restoreKey: "foo/bar",
restore: arktest.NewTestRestore("foo", "bar", api.RestorePhaseCompleted).Restore,
},
{
name: "restore with phase FailedValidation does not get processed",
restoreKey: "foo/bar",
restore: arktest.NewTestRestore("foo", "bar", api.RestorePhaseFailedValidation).Restore,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
var (
client = fake.NewSimpleClientset()
restorer = &fakeRestorer{}
sharedInformers = informers.NewSharedInformerFactory(client, 0)
logger = arktest.NewLogger()
)
c := NewRestoreController(
api.DefaultNamespace,
sharedInformers.Ark().V1().Restores(),
client.ArkV1(),
client.ArkV1(),
restorer,
sharedInformers.Ark().V1().Backups(),
sharedInformers.Ark().V1().BackupStorageLocations(),
sharedInformers.Ark().V1().VolumeSnapshotLocations(),
logger,
logrus.InfoLevel,
nil,
"default",
metrics.NewServerMetrics(),
).(*restoreController)
if test.restore != nil {
sharedInformers.Ark().V1().Restores().Informer().GetStore().Add(test.restore)
}
err := c.processRestore(test.restoreKey)
assert.Equal(t, test.expectError, err != nil)
})
}
}
func TestProcessRestore(t *testing.T) {
tests := []struct {
name string
restoreKey string
location *api.BackupStorageLocation
restore *api.Restore
backup *api.Backup
restorerError error
expectedErr bool
expectedPhase string
expectedValidationErrors []string
expectedRestoreErrors int
expectedRestorerCall *api.Restore
backupStoreGetBackupMetadataErr error
backupStoreGetBackupContentsErr error
putRestoreLogErr error
expectedFinalPhase string
}{
{
name: "restore with both namespace in both includedNamespaces and excludedNamespaces fails validation",
location: arktest.NewTestBackupStorageLocation().WithName("default").WithProvider("myCloud").WithObjectStorage("bucket").BackupStorageLocation,
restore: NewRestore("foo", "bar", "backup-1", "another-1", "*", api.RestorePhaseNew).WithExcludedNamespace("another-1").Restore,
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup,
expectedErr: false,
expectedPhase: string(api.RestorePhaseFailedValidation),
expectedValidationErrors: []string{"Invalid included/excluded namespace lists: excludes list cannot contain an item in the includes list: another-1"},
},
{
name: "restore with resource in both includedResources and excludedResources fails validation",
location: arktest.NewTestBackupStorageLocation().WithName("default").WithProvider("myCloud").WithObjectStorage("bucket").BackupStorageLocation,
restore: NewRestore("foo", "bar", "backup-1", "*", "a-resource", api.RestorePhaseNew).WithExcludedResource("a-resource").Restore,
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup,
expectedErr: false,
expectedPhase: string(api.RestorePhaseFailedValidation),
expectedValidationErrors: []string{"Invalid included/excluded resource lists: excludes list cannot contain an item in the includes list: a-resource"},
},
{
name: "new restore with empty backup and schedule names fails validation",
restore: NewRestore("foo", "bar", "", "ns-1", "", api.RestorePhaseNew).Restore,
expectedErr: false,
expectedPhase: string(api.RestorePhaseFailedValidation),
expectedValidationErrors: []string{"Either a backup or schedule must be specified as a source for the restore, but not both"},
},
{
name: "new restore with backup and schedule names provided fails validation",
restore: NewRestore("foo", "bar", "backup-1", "ns-1", "", api.RestorePhaseNew).WithSchedule("sched-1").Restore,
expectedErr: false,
expectedPhase: string(api.RestorePhaseFailedValidation),
expectedValidationErrors: []string{"Either a backup or schedule must be specified as a source for the restore, but not both"},
},
{
name: "valid restore with schedule name gets executed",
location: arktest.NewTestBackupStorageLocation().WithName("default").WithProvider("myCloud").WithObjectStorage("bucket").BackupStorageLocation,
restore: NewRestore("foo", "bar", "", "ns-1", "", api.RestorePhaseNew).WithSchedule("sched-1").Restore,
backup: arktest.
NewTestBackup().
WithName("backup-1").
WithStorageLocation("default").
WithLabel("ark-schedule", "sched-1").
WithPhase(api.BackupPhaseCompleted).
Backup,
expectedErr: false,
expectedPhase: string(api.RestorePhaseInProgress),
expectedRestorerCall: NewRestore("foo", "bar", "backup-1", "ns-1", "", api.RestorePhaseInProgress).WithSchedule("sched-1").Restore,
},
{
name: "restore with non-existent backup name fails",
restore: NewRestore("foo", "bar", "backup-1", "ns-1", "*", api.RestorePhaseNew).Restore,
expectedErr: false,
expectedPhase: string(api.RestorePhaseFailedValidation),
expectedValidationErrors: []string{"Error retrieving backup: backup.ark.heptio.com \"backup-1\" not found"},
backupStoreGetBackupMetadataErr: errors.New("no backup here"),
},
{
name: "restorer throwing an error causes the restore to fail",
location: arktest.NewTestBackupStorageLocation().WithName("default").WithProvider("myCloud").WithObjectStorage("bucket").BackupStorageLocation,
restore: NewRestore("foo", "bar", "backup-1", "ns-1", "", api.RestorePhaseNew).Restore,
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup,
restorerError: errors.New("blarg"),
expectedErr: false,
expectedPhase: string(api.RestorePhaseInProgress),
expectedRestoreErrors: 1,
expectedRestorerCall: NewRestore("foo", "bar", "backup-1", "ns-1", "", api.RestorePhaseInProgress).Restore,
},
{
name: "valid restore gets executed",
location: arktest.NewTestBackupStorageLocation().WithName("default").WithProvider("myCloud").WithObjectStorage("bucket").BackupStorageLocation,
restore: NewRestore("foo", "bar", "backup-1", "ns-1", "", api.RestorePhaseNew).Restore,
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup,
expectedErr: false,
expectedPhase: string(api.RestorePhaseInProgress),
expectedRestorerCall: NewRestore("foo", "bar", "backup-1", "ns-1", "", api.RestorePhaseInProgress).Restore,
},
{
name: "restoration of nodes is not supported",
location: arktest.NewTestBackupStorageLocation().WithName("default").WithProvider("myCloud").WithObjectStorage("bucket").BackupStorageLocation,
restore: NewRestore("foo", "bar", "backup-1", "ns-1", "nodes", api.RestorePhaseNew).Restore,
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup,
expectedErr: false,
expectedPhase: string(api.RestorePhaseFailedValidation),
expectedValidationErrors: []string{
"nodes are non-restorable resources",
"Invalid included/excluded resource lists: excludes list cannot contain an item in the includes list: nodes",
},
},
{
name: "restoration of events is not supported",
location: arktest.NewTestBackupStorageLocation().WithName("default").WithProvider("myCloud").WithObjectStorage("bucket").BackupStorageLocation,
restore: NewRestore("foo", "bar", "backup-1", "ns-1", "events", api.RestorePhaseNew).Restore,
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup,
expectedErr: false,
expectedPhase: string(api.RestorePhaseFailedValidation),
expectedValidationErrors: []string{
"events are non-restorable resources",
"Invalid included/excluded resource lists: excludes list cannot contain an item in the includes list: events",
},
},
{
name: "restoration of events.events.k8s.io is not supported",
location: arktest.NewTestBackupStorageLocation().WithName("default").WithProvider("myCloud").WithObjectStorage("bucket").BackupStorageLocation,
restore: NewRestore("foo", "bar", "backup-1", "ns-1", "events.events.k8s.io", api.RestorePhaseNew).Restore,
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup,
expectedErr: false,
expectedPhase: string(api.RestorePhaseFailedValidation),
expectedValidationErrors: []string{
"events.events.k8s.io are non-restorable resources",
"Invalid included/excluded resource lists: excludes list cannot contain an item in the includes list: events.events.k8s.io",
},
},
{
name: "restoration of backups.ark.heptio.com is not supported",
location: arktest.NewTestBackupStorageLocation().WithName("default").WithProvider("myCloud").WithObjectStorage("bucket").BackupStorageLocation,
restore: NewRestore("foo", "bar", "backup-1", "ns-1", "backups.ark.heptio.com", api.RestorePhaseNew).Restore,
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup,
expectedErr: false,
expectedPhase: string(api.RestorePhaseFailedValidation),
expectedValidationErrors: []string{
"backups.ark.heptio.com are non-restorable resources",
"Invalid included/excluded resource lists: excludes list cannot contain an item in the includes list: backups.ark.heptio.com",
},
},
{
name: "restoration of restores.ark.heptio.com is not supported",
location: arktest.NewTestBackupStorageLocation().WithName("default").WithProvider("myCloud").WithObjectStorage("bucket").BackupStorageLocation,
restore: NewRestore("foo", "bar", "backup-1", "ns-1", "restores.ark.heptio.com", api.RestorePhaseNew).Restore,
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup,
expectedErr: false,
expectedPhase: string(api.RestorePhaseFailedValidation),
expectedValidationErrors: []string{
"restores.ark.heptio.com are non-restorable resources",
"Invalid included/excluded resource lists: excludes list cannot contain an item in the includes list: restores.ark.heptio.com",
},
},
{
name: "backup download error results in failed restore",
location: arktest.NewTestBackupStorageLocation().WithName("default").WithProvider("myCloud").WithObjectStorage("bucket").BackupStorageLocation,
restore: NewRestore(api.DefaultNamespace, "bar", "backup-1", "ns-1", "", api.RestorePhaseNew).Restore,
expectedPhase: string(api.RestorePhaseInProgress),
expectedFinalPhase: string(api.RestorePhaseFailed),
backupStoreGetBackupContentsErr: errors.New("Couldn't download backup"),
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("default").Backup,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
var (
client = fake.NewSimpleClientset()
restorer = &fakeRestorer{}
sharedInformers = informers.NewSharedInformerFactory(client, 0)
logger = arktest.NewLogger()
pluginManager = &pluginmocks.Manager{}
backupStore = &persistencemocks.BackupStore{}
)
defer restorer.AssertExpectations(t)
defer backupStore.AssertExpectations(t)
c := NewRestoreController(
api.DefaultNamespace,
sharedInformers.Ark().V1().Restores(),
client.ArkV1(),
client.ArkV1(),
restorer,
sharedInformers.Ark().V1().Backups(),
sharedInformers.Ark().V1().BackupStorageLocations(),
sharedInformers.Ark().V1().VolumeSnapshotLocations(),
logger,
logrus.InfoLevel,
func(logrus.FieldLogger) plugin.Manager { return pluginManager },
"default",
metrics.NewServerMetrics(),
).(*restoreController)
c.newBackupStore = func(*api.BackupStorageLocation, persistence.ObjectStoreGetter, logrus.FieldLogger) (persistence.BackupStore, error) {
return backupStore, nil
}
if test.location != nil {
sharedInformers.Ark().V1().BackupStorageLocations().Informer().GetStore().Add(test.location)
}
if test.backup != nil {
sharedInformers.Ark().V1().Backups().Informer().GetStore().Add(test.backup)
}
if test.restore != nil {
sharedInformers.Ark().V1().Restores().Informer().GetStore().Add(test.restore)
// this is necessary so the Patch() call returns the appropriate object
client.PrependReactor("patch", "restores", func(action core.Action) (bool, runtime.Object, error) {
if test.restore == nil {
return true, nil, nil
}
patch := action.(core.PatchAction).GetPatch()
patchMap := make(map[string]interface{})
if err := json.Unmarshal(patch, &patchMap); err != nil {
t.Logf("error unmarshalling patch: %s\n", err)
return false, nil, err
}
phase, err := collections.GetString(patchMap, "status.phase")
if err != nil {
t.Logf("error getting status.phase: %s\n", err)
return false, nil, err
}
res := test.restore.DeepCopy()
// these are the fields that we expect to be set by
// the controller
res.Status.Phase = api.RestorePhase(phase)
if backupName, err := collections.GetString(patchMap, "spec.backupName"); err == nil {
res.Spec.BackupName = backupName
}
return true, res, nil
})
}
if test.backup != nil {
sharedInformers.Ark().V1().Backups().Informer().GetStore().Add(test.backup)
}
var warnings, errors api.RestoreResult
if test.restorerError != nil {
errors.Namespaces = map[string][]string{"ns-1": {test.restorerError.Error()}}
}
if test.putRestoreLogErr != nil {
errors.Ark = append(errors.Ark, "error uploading log file to object storage: "+test.putRestoreLogErr.Error())
}
if test.expectedRestorerCall != nil {
backupStore.On("GetBackupContents", test.backup.Name).Return(ioutil.NopCloser(bytes.NewReader([]byte("hello world"))), nil)
restorer.On("Restore", mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return(warnings, errors)
backupStore.On("PutRestoreLog", test.backup.Name, test.restore.Name, mock.Anything).Return(test.putRestoreLogErr)
backupStore.On("PutRestoreResults", test.backup.Name, test.restore.Name, mock.Anything).Return(nil)
volumeSnapshots := []*volume.Snapshot{
{
Spec: volume.SnapshotSpec{
PersistentVolumeName: "test-pv",
BackupName: test.backup.Name,
},
},
}
backupStore.On("GetBackupVolumeSnapshots", test.backup.Name).Return(volumeSnapshots, nil)
}
var (
key = test.restoreKey
err error
)
if key == "" && test.restore != nil {
key, err = cache.MetaNamespaceKeyFunc(test.restore)
if err != nil {
panic(err)
}
}
if test.backupStoreGetBackupMetadataErr != nil {
// TODO why do I need .Maybe() here?
backupStore.On("GetBackupMetadata", test.restore.Spec.BackupName).Return(nil, test.backupStoreGetBackupMetadataErr).Maybe()
}
if test.backupStoreGetBackupContentsErr != nil {
// TODO why do I need .Maybe() here?
backupStore.On("GetBackupContents", test.restore.Spec.BackupName).Return(nil, test.backupStoreGetBackupContentsErr).Maybe()
}
if test.restore != nil {
pluginManager.On("GetRestoreItemActions").Return(nil, nil)
pluginManager.On("CleanupClients")
}
err = c.processRestore(key)
assert.Equal(t, test.expectedErr, err != nil, "got error %v", err)
actions := client.Actions()
if test.expectedPhase == "" {
require.Equal(t, 0, len(actions), "len(actions) should be zero")
return
}
// structs and func for decoding patch content
type SpecPatch struct {
BackupName string `json:"backupName"`
}
type StatusPatch struct {
Phase api.RestorePhase `json:"phase"`
ValidationErrors []string `json:"validationErrors"`
Errors int `json:"errors"`
}
type Patch struct {
Spec SpecPatch `json:"spec,omitempty"`
Status StatusPatch `json:"status"`
}
decode := func(decoder *json.Decoder) (interface{}, error) {
actual := new(Patch)
err := decoder.Decode(actual)
return *actual, err
}
// validate Patch call 1 (setting phase, validation errs)
require.True(t, len(actions) > 0, "len(actions) is too small")
expected := Patch{
Status: StatusPatch{
Phase: api.RestorePhase(test.expectedPhase),
ValidationErrors: test.expectedValidationErrors,
},
}
if test.restore.Spec.ScheduleName != "" && test.backup != nil {
expected.Spec = SpecPatch{
BackupName: test.backup.Name,
}
}
arktest.ValidatePatch(t, actions[0], expected, decode)
// if we don't expect a restore, validate it wasn't called and exit the test
if test.expectedRestorerCall == nil {
assert.Empty(t, restorer.Calls)
assert.Zero(t, restorer.calledWithArg)
return
}
assert.Equal(t, 1, len(restorer.Calls))
// validate Patch call 2 (setting phase)
expected = Patch{
Status: StatusPatch{
Phase: api.RestorePhaseCompleted,
Errors: test.expectedRestoreErrors,
},
}
// Override our default expectations if the case requires it
if test.expectedFinalPhase != "" {
expected = Patch{
Status: StatusPatch{
Phase: api.RestorePhaseCompleted,
Errors: test.expectedRestoreErrors,
},
}
}
arktest.ValidatePatch(t, actions[1], expected, decode)
// explicitly capturing the argument passed to Restore myself because
// I want to validate the called arg as of the time of calling, but
// the mock stores the pointer, which gets modified after
assert.Equal(t, *test.expectedRestorerCall, restorer.calledWithArg)
})
}
}
func TestValidateAndComplete(t *testing.T) {
tests := []struct {
name string
storageLocation *api.BackupStorageLocation
snapshotLocations []*api.VolumeSnapshotLocation
backup *api.Backup
volumeSnapshots []*volume.Snapshot
restore *api.Restore
expectedErrs []string
}{
{
name: "backup with .status.volumeBackups and no volumesnapshots.json file does not error",
storageLocation: arktest.NewTestBackupStorageLocation().WithName("loc-1").BackupStorageLocation,
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("loc-1").WithSnapshot("pv-1", "snap-1").Backup,
volumeSnapshots: nil,
restore: arktest.NewDefaultTestRestore().WithBackup("backup-1").Restore,
expectedErrs: nil,
},
{
name: "backup with no .status.volumeBackups and volumesnapshots.json file does not error",
storageLocation: arktest.NewTestBackupStorageLocation().WithName("loc-1").BackupStorageLocation,
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("loc-1").Backup,
volumeSnapshots: []*volume.Snapshot{{}},
restore: arktest.NewDefaultTestRestore().WithBackup("backup-1").Restore,
expectedErrs: nil,
},
{
name: "backup with both .status.volumeBackups and volumesnapshots.json file errors",
storageLocation: arktest.NewTestBackupStorageLocation().WithName("loc-1").BackupStorageLocation,
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("loc-1").WithSnapshot("pv-1", "snap-1").Backup,
volumeSnapshots: []*volume.Snapshot{{}},
restore: arktest.NewDefaultTestRestore().WithBackup("backup-1").Restore,
expectedErrs: []string{"Backup must not have both .status.volumeBackups and a volumesnapshots.json.gz file in object storage"},
},
{
name: "backup with .status.volumeBackups, and >1 volume snapshot locations exist, errors",
storageLocation: arktest.NewTestBackupStorageLocation().WithName("loc-1").BackupStorageLocation,
snapshotLocations: []*api.VolumeSnapshotLocation{
{
ObjectMeta: metav1.ObjectMeta{
Namespace: api.DefaultNamespace,
Name: "vsl-1",
},
},
{
ObjectMeta: metav1.ObjectMeta{
Namespace: api.DefaultNamespace,
Name: "vsl-2",
},
},
},
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("loc-1").WithSnapshot("pv-1", "snap-1").Backup,
restore: arktest.NewDefaultTestRestore().WithBackup("backup-1").Restore,
expectedErrs: []string{"Cannot restore backup with .status.volumeBackups when more than one volume snapshot location exists"},
},
{
name: "backup with .status.volumeBackups, and 1 volume snapshot location exists, does not error",
storageLocation: arktest.NewTestBackupStorageLocation().WithName("loc-1").BackupStorageLocation,
snapshotLocations: []*api.VolumeSnapshotLocation{
{
ObjectMeta: metav1.ObjectMeta{
Namespace: api.DefaultNamespace,
Name: "vsl-1",
},
},
},
backup: arktest.NewTestBackup().WithName("backup-1").WithStorageLocation("loc-1").WithSnapshot("pv-1", "snap-1").Backup,
restore: arktest.NewDefaultTestRestore().WithBackup("backup-1").Restore,
expectedErrs: nil,
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
var (
clientset = fake.NewSimpleClientset()
sharedInformers = informers.NewSharedInformerFactory(clientset, 0)
logger = arktest.NewLogger()
backupStore = &persistencemocks.BackupStore{}
controller = &restoreController{
genericController: &genericController{
logger: logger,
},
namespace: api.DefaultNamespace,
backupLister: sharedInformers.Ark().V1().Backups().Lister(),
backupLocationLister: sharedInformers.Ark().V1().BackupStorageLocations().Lister(),
snapshotLocationLister: sharedInformers.Ark().V1().VolumeSnapshotLocations().Lister(),
newBackupStore: func(*api.BackupStorageLocation, persistence.ObjectStoreGetter, logrus.FieldLogger) (persistence.BackupStore, error) {
return backupStore, nil
},
}
)
require.NoError(t, sharedInformers.Ark().V1().BackupStorageLocations().Informer().GetStore().Add(tc.storageLocation))
require.NoError(t, sharedInformers.Ark().V1().Backups().Informer().GetStore().Add(tc.backup))
for _, loc := range tc.snapshotLocations {
require.NoError(t, sharedInformers.Ark().V1().VolumeSnapshotLocations().Informer().GetStore().Add(loc))
}
backupStore.On("GetBackupVolumeSnapshots", tc.backup.Name).Return(tc.volumeSnapshots, nil)
controller.validateAndComplete(tc.restore, nil)
assert.Equal(t, tc.expectedErrs, tc.restore.Status.ValidationErrors)
})
}
}
func TestvalidateAndCompleteWhenScheduleNameSpecified(t *testing.T) {
var (
client = fake.NewSimpleClientset()
sharedInformers = informers.NewSharedInformerFactory(client, 0)
logger = arktest.NewLogger()
pluginManager = &pluginmocks.Manager{}
)
c := NewRestoreController(
api.DefaultNamespace,
sharedInformers.Ark().V1().Restores(),
client.ArkV1(),
client.ArkV1(),
nil,
sharedInformers.Ark().V1().Backups(),
sharedInformers.Ark().V1().BackupStorageLocations(),
sharedInformers.Ark().V1().VolumeSnapshotLocations(),
logger,
logrus.DebugLevel,
nil,
"default",
nil,
).(*restoreController)
restore := &api.Restore{
ObjectMeta: metav1.ObjectMeta{
Namespace: api.DefaultNamespace,
Name: "restore-1",
},
Spec: api.RestoreSpec{
ScheduleName: "schedule-1",
},
}
// no backups created from the schedule: fail validation
require.NoError(t, sharedInformers.Ark().V1().Backups().Informer().GetStore().Add(arktest.
NewTestBackup().
WithName("backup-1").
WithLabel("ark-schedule", "non-matching-schedule").
WithPhase(api.BackupPhaseCompleted).
Backup,
))
errs := c.validateAndComplete(restore, pluginManager)
assert.Equal(t, []string{"No backups found for schedule"}, errs)
assert.Empty(t, restore.Spec.BackupName)
// no completed backups created from the schedule: fail validation
require.NoError(t, sharedInformers.Ark().V1().Backups().Informer().GetStore().Add(arktest.
NewTestBackup().
WithName("backup-2").
WithLabel("ark-schedule", "schedule-1").
WithPhase(api.BackupPhaseInProgress).
Backup,
))
errs = c.validateAndComplete(restore, pluginManager)
assert.Equal(t, []string{"No completed backups found for schedule"}, errs)
assert.Empty(t, restore.Spec.BackupName)
// multiple completed backups created from the schedule: use most recent
now := time.Now()
require.NoError(t, sharedInformers.Ark().V1().Backups().Informer().GetStore().Add(arktest.
NewTestBackup().
WithName("foo").
WithLabel("ark-schedule", "schedule-1").
WithPhase(api.BackupPhaseCompleted).
WithStartTimestamp(now).
Backup,
))
require.NoError(t, sharedInformers.Ark().V1().Backups().Informer().GetStore().Add(arktest.
NewTestBackup().
WithName("bar").
WithLabel("ark-schedule", "schedule-1").
WithPhase(api.BackupPhaseCompleted).
WithStartTimestamp(now.Add(time.Second)).
Backup,
))
errs = c.validateAndComplete(restore, pluginManager)
assert.Nil(t, errs)
assert.Equal(t, "bar", restore.Spec.BackupName)
}
func TestBackupXorScheduleProvided(t *testing.T) {
r := &api.Restore{}
assert.False(t, backupXorScheduleProvided(r))
r.Spec.BackupName = "backup-1"
r.Spec.ScheduleName = "schedule-1"
assert.False(t, backupXorScheduleProvided(r))
r.Spec.BackupName = "backup-1"
r.Spec.ScheduleName = ""
assert.True(t, backupXorScheduleProvided(r))
r.Spec.BackupName = ""
r.Spec.ScheduleName = "schedule-1"
assert.True(t, backupXorScheduleProvided(r))
}
func TestMostRecentCompletedBackup(t *testing.T) {
backups := []*api.Backup{
{
ObjectMeta: metav1.ObjectMeta{
Name: "a",
},
Status: api.BackupStatus{
Phase: "",
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "b",
},
Status: api.BackupStatus{
Phase: api.BackupPhaseNew,
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "c",
},
Status: api.BackupStatus{
Phase: api.BackupPhaseInProgress,
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "d",
},
Status: api.BackupStatus{
Phase: api.BackupPhaseFailedValidation,
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "e",
},
Status: api.BackupStatus{
Phase: api.BackupPhaseFailed,
},
},
}
assert.Nil(t, mostRecentCompletedBackup(backups))
now := time.Now()
backups = append(backups, &api.Backup{
ObjectMeta: metav1.ObjectMeta{
Name: "foo",
},
Status: api.BackupStatus{
Phase: api.BackupPhaseCompleted,
StartTimestamp: metav1.Time{Time: now},
},
})
expected := &api.Backup{
ObjectMeta: metav1.ObjectMeta{
Name: "bar",
},
Status: api.BackupStatus{
Phase: api.BackupPhaseCompleted,
StartTimestamp: metav1.Time{Time: now.Add(time.Second)},
},
}
backups = append(backups, expected)
assert.Equal(t, expected, mostRecentCompletedBackup(backups))
}
func NewRestore(ns, name, backup, includeNS, includeResource string, phase api.RestorePhase) *arktest.TestRestore {
restore := arktest.NewTestRestore(ns, name, phase).WithBackup(backup)
if includeNS != "" {
restore = restore.WithIncludedNamespace(includeNS)
}
if includeResource != "" {
restore = restore.WithIncludedResource(includeResource)
}
for _, n := range nonRestorableResources {
restore = restore.WithExcludedResource(n)
}
return restore
}
type fakeRestorer struct {
mock.Mock
calledWithArg api.Restore
}
func (r *fakeRestorer) Restore(
log logrus.FieldLogger,
restore *api.Restore,
backup *api.Backup,
volumeSnapshots []*volume.Snapshot,
backupReader io.Reader,
actions []restore.ItemAction,
snapshotLocationLister listers.VolumeSnapshotLocationLister,
blockStoreGetter restore.BlockStoreGetter,
) (api.RestoreResult, api.RestoreResult) {
res := r.Called(log, restore, backup, backupReader, actions)
r.calledWithArg = *restore
return res.Get(0).(api.RestoreResult), res.Get(1).(api.RestoreResult)
}