velero/pkg/uploader/provider/kopia_test.go

372 lines
12 KiB
Go

/*
Copyright The Velero 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 provider
import (
"context"
"sync"
"testing"
"time"
"github.com/kopia/kopia/repo"
"github.com/kopia/kopia/snapshot/snapshotfs"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
v1 "k8s.io/api/core/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/client/fake"
"github.com/vmware-tanzu/velero/internal/credentials"
"github.com/vmware-tanzu/velero/internal/credentials/mocks"
velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
"github.com/vmware-tanzu/velero/pkg/generated/clientset/versioned/scheme"
"github.com/vmware-tanzu/velero/pkg/repository"
udmrepo "github.com/vmware-tanzu/velero/pkg/repository/udmrepo"
udmrepomocks "github.com/vmware-tanzu/velero/pkg/repository/udmrepo/mocks"
"github.com/vmware-tanzu/velero/pkg/uploader"
"github.com/vmware-tanzu/velero/pkg/uploader/kopia"
)
type FakeBackupProgressUpdater struct {
PodVolumeBackup *velerov1api.PodVolumeBackup
Log logrus.FieldLogger
Ctx context.Context
Cli client.Client
}
func (f *FakeBackupProgressUpdater) UpdateProgress(p *uploader.Progress) {}
type FakeRestoreProgressUpdater struct {
PodVolumeRestore *velerov1api.PodVolumeRestore
Log logrus.FieldLogger
Ctx context.Context
Cli client.Client
}
func (f *FakeRestoreProgressUpdater) UpdateProgress(p *uploader.Progress) {}
func TestRunBackup(t *testing.T) {
var kp kopiaProvider
kp.log = logrus.New()
updater := FakeBackupProgressUpdater{PodVolumeBackup: &velerov1api.PodVolumeBackup{}, Log: kp.log, Ctx: context.Background(), Cli: fake.NewClientBuilder().WithScheme(scheme.Scheme).Build()}
testCases := []struct {
name string
hookBackupFunc func(ctx context.Context, fsUploader kopia.SnapshotUploader, repoWriter repo.RepositoryWriter, sourcePath string, realSource string, forceFull bool, parentSnapshot string, tags map[string]string, log logrus.FieldLogger) (*uploader.SnapshotInfo, bool, error)
notError bool
}{
{
name: "success to backup",
hookBackupFunc: func(ctx context.Context, fsUploader kopia.SnapshotUploader, repoWriter repo.RepositoryWriter, sourcePath string, realSource string, forceFull bool, parentSnapshot string, tags map[string]string, log logrus.FieldLogger) (*uploader.SnapshotInfo, bool, error) {
return &uploader.SnapshotInfo{}, false, nil
},
notError: true,
},
{
name: "get error to backup",
hookBackupFunc: func(ctx context.Context, fsUploader kopia.SnapshotUploader, repoWriter repo.RepositoryWriter, sourcePath string, realSource string, forceFull bool, parentSnapshot string, tags map[string]string, log logrus.FieldLogger) (*uploader.SnapshotInfo, bool, error) {
return &uploader.SnapshotInfo{}, false, errors.New("failed to backup")
},
notError: false,
},
{
name: "got empty snapshot",
hookBackupFunc: func(ctx context.Context, fsUploader kopia.SnapshotUploader, repoWriter repo.RepositoryWriter, sourcePath string, realSource string, forceFull bool, parentSnapshot string, tags map[string]string, log logrus.FieldLogger) (*uploader.SnapshotInfo, bool, error) {
return nil, true, errors.New("snapshot is empty")
},
notError: false,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
BackupFunc = tc.hookBackupFunc
_, _, err := kp.RunBackup(context.Background(), "var", "", nil, false, "", &updater)
if tc.notError {
assert.NoError(t, err)
} else {
assert.Error(t, err)
}
})
}
}
func TestRunRestore(t *testing.T) {
var kp kopiaProvider
kp.log = logrus.New()
updater := FakeRestoreProgressUpdater{PodVolumeRestore: &velerov1api.PodVolumeRestore{}, Log: kp.log, Ctx: context.Background(), Cli: fake.NewClientBuilder().WithScheme(scheme.Scheme).Build()}
testCases := []struct {
name string
hookRestoreFunc func(ctx context.Context, rep repo.RepositoryWriter, progress *kopia.Progress, snapshotID, dest string, log logrus.FieldLogger, cancleCh chan struct{}) (int64, int32, error)
notError bool
}{
{
name: "normal restore",
hookRestoreFunc: func(ctx context.Context, rep repo.RepositoryWriter, progress *kopia.Progress, snapshotID, dest string, log logrus.FieldLogger, cancleCh chan struct{}) (int64, int32, error) {
return 0, 0, nil
},
notError: true,
},
{
name: "failed to restore",
hookRestoreFunc: func(ctx context.Context, rep repo.RepositoryWriter, progress *kopia.Progress, snapshotID, dest string, log logrus.FieldLogger, cancleCh chan struct{}) (int64, int32, error) {
return 0, 0, errors.New("failed to restore")
},
notError: false,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
RestoreFunc = tc.hookRestoreFunc
err := kp.RunRestore(context.Background(), "", "/var", &updater)
if tc.notError {
assert.NoError(t, err)
} else {
assert.Error(t, err)
}
})
}
}
func TestCheckContext(t *testing.T) {
testCases := []struct {
name string
finishChan chan struct{}
restoreChan chan struct{}
uploader *snapshotfs.Uploader
expectCancel bool
expectBackup bool
expectRestore bool
}{
{
name: "FinishChan",
finishChan: make(chan struct{}),
restoreChan: make(chan struct{}),
uploader: &snapshotfs.Uploader{},
expectCancel: false,
expectBackup: false,
expectRestore: false,
},
{
name: "nil uploader",
finishChan: make(chan struct{}),
restoreChan: make(chan struct{}),
uploader: nil,
expectCancel: true,
expectBackup: false,
expectRestore: true,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
var wg sync.WaitGroup
wg.Add(1)
if tc.expectBackup {
go func() {
wg.Wait()
tc.restoreChan <- struct{}{}
}()
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
go func() {
time.Sleep(100 * time.Millisecond)
cancel()
wg.Done()
}()
kp := &kopiaProvider{log: logrus.New()}
kp.CheckContext(ctx, tc.finishChan, tc.restoreChan, tc.uploader)
if tc.expectCancel && tc.uploader != nil {
t.Error("Expected the uploader to be cancelled")
}
if tc.expectBackup && tc.uploader == nil && len(tc.restoreChan) > 0 {
t.Error("Expected the restore channel to be closed")
}
})
}
}
func TestGetPassword(t *testing.T) {
testCases := []struct {
name string
empytSecret bool
credGetterFunc func(*mocks.SecretStore, *v1.SecretKeySelector)
expectError bool
expectedPass string
}{
{
name: "valid credentials interface",
credGetterFunc: func(ss *mocks.SecretStore, selector *v1.SecretKeySelector) {
ss.On("Get", selector).Return("test", nil)
},
expectError: false,
expectedPass: "test",
},
{
name: "empty from secret",
empytSecret: true,
expectError: true,
expectedPass: "",
},
{
name: "ErrorGettingPassword",
credGetterFunc: func(ss *mocks.SecretStore, selector *v1.SecretKeySelector) {
ss.On("Get", selector).Return("", errors.New("error getting password"))
},
expectError: true,
expectedPass: "",
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
// Mock CredentialGetter
credGetter := &credentials.CredentialGetter{}
mockCredGetter := &mocks.SecretStore{}
if !tc.empytSecret {
credGetter.FromSecret = mockCredGetter
}
repoKeySelector := &v1.SecretKeySelector{LocalObjectReference: v1.LocalObjectReference{Name: "velero-repo-credentials"}, Key: "repository-password"}
if tc.credGetterFunc != nil {
tc.credGetterFunc(mockCredGetter, repoKeySelector)
}
kp := &kopiaProvider{
credGetter: credGetter,
}
password, err := kp.GetPassword(nil)
if tc.expectError {
assert.Error(t, err, "Expected an error")
} else {
assert.NoError(t, err, "Expected no error")
}
assert.Equal(t, tc.expectedPass, password, "Expected password to match")
})
}
}
func (m *MockCredentialGetter) GetCredentials() (string, error) {
args := m.Called()
return args.String(0), args.Error(1)
}
// MockRepoSvc is a mock implementation of the RepoService interface.
type MockRepoSvc struct {
mock.Mock
}
func (m *MockRepoSvc) Open(ctx context.Context, opts udmrepo.RepoOptions) (udmrepo.BackupRepo, error) {
args := m.Called(ctx, opts)
return args.Get(0).(udmrepo.BackupRepo), args.Error(1)
}
func TestNewKopiaUploaderProvider(t *testing.T) {
requestorType := "testRequestor"
ctx := context.Background()
backupRepo := repository.NewBackupRepository(velerov1api.DefaultNamespace, repository.BackupRepositoryKey{VolumeNamespace: "fake-volume-ns-02", BackupLocation: "fake-bsl-02", RepositoryType: "fake-repository-type-02"})
mockLog := logrus.New()
// Define test cases
testCases := []struct {
name string
mockCredGetter *mocks.SecretStore
mockBackupRepoService udmrepo.BackupRepoService
expectedError string
}{
{
name: "Success",
mockCredGetter: func() *mocks.SecretStore {
mockCredGetter := &mocks.SecretStore{}
mockCredGetter.On("Get", mock.Anything).Return("test", nil)
return mockCredGetter
}(),
mockBackupRepoService: func() udmrepo.BackupRepoService {
backupRepoService := &udmrepomocks.BackupRepoService{}
var backupRepo udmrepo.BackupRepo
backupRepoService.On("Open", context.Background(), mock.Anything).Return(backupRepo, nil)
return backupRepoService
}(),
expectedError: "",
},
{
name: "Error to get repo options",
mockCredGetter: func() *mocks.SecretStore {
mockCredGetter := &mocks.SecretStore{}
mockCredGetter.On("Get", mock.Anything).Return("test", errors.New("failed to get password"))
return mockCredGetter
}(),
mockBackupRepoService: func() udmrepo.BackupRepoService {
backupRepoService := &udmrepomocks.BackupRepoService{}
var backupRepo udmrepo.BackupRepo
backupRepoService.On("Open", context.Background(), mock.Anything).Return(backupRepo, nil)
return backupRepoService
}(),
expectedError: "error to get repo options",
},
{
name: "Error open repository service",
mockCredGetter: func() *mocks.SecretStore {
mockCredGetter := &mocks.SecretStore{}
mockCredGetter.On("Get", mock.Anything).Return("test", nil)
return mockCredGetter
}(),
mockBackupRepoService: func() udmrepo.BackupRepoService {
backupRepoService := &udmrepomocks.BackupRepoService{}
var backupRepo udmrepo.BackupRepo
backupRepoService.On("Open", context.Background(), mock.Anything).Return(backupRepo, errors.New("failed to init repository"))
return backupRepoService
}(),
expectedError: "Failed to find kopia repository",
},
}
// Iterate through test cases
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
credGetter := &credentials.CredentialGetter{FromSecret: tc.mockCredGetter}
BackupRepoServiceCreateFunc = func(logger logrus.FieldLogger) udmrepo.BackupRepoService {
return tc.mockBackupRepoService
}
// Call the function being tested.
_, err := NewKopiaUploaderProvider(requestorType, ctx, credGetter, backupRepo, mockLog)
// Assertions
if tc.expectedError != "" {
assert.Contains(t, err.Error(), tc.expectedError)
} else {
assert.Nil(t, err)
}
// Verify that the expected methods were called on the mocks.
tc.mockCredGetter.AssertExpectations(t)
})
}
}