velero/pkg/datamover/restore_micro_service_test.go

393 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 datamover
import (
"context"
"fmt"
"testing"
"time"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
"k8s.io/apimachinery/pkg/runtime"
kbclient "sigs.k8s.io/controller-runtime/pkg/client"
clientFake "sigs.k8s.io/controller-runtime/pkg/client/fake"
"github.com/vmware-tanzu/velero/pkg/builder"
"github.com/vmware-tanzu/velero/pkg/datapath"
datapathmockes "github.com/vmware-tanzu/velero/pkg/datapath/mocks"
"github.com/vmware-tanzu/velero/pkg/uploader"
velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
velerov2alpha1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v2alpha1"
velerotest "github.com/vmware-tanzu/velero/pkg/test"
)
func TestOnDataDownloadFailed(t *testing.T) {
dataDownloadName := "fake-data-download"
bt := &backupMsTestHelper{}
bs := &RestoreMicroService{
dataDownloadName: dataDownloadName,
dataPathMgr: datapath.NewManager(1),
eventRecorder: bt,
resultSignal: make(chan dataPathResult),
logger: velerotest.NewLogger(),
}
expectedErr := "Data path for data download fake-data-download failed: fake-error"
expectedEventReason := datapath.EventReasonFailed
expectedEventMsg := "Data path for data download fake-data-download failed, error fake-error"
go bs.OnDataDownloadFailed(context.TODO(), velerov1api.DefaultNamespace, dataDownloadName, errors.New("fake-error"))
result := <-bs.resultSignal
assert.EqualError(t, result.err, expectedErr)
assert.Equal(t, expectedEventReason, bt.EventReason())
assert.Equal(t, expectedEventMsg, bt.EventMessage())
}
func TestOnDataDownloadCancelled(t *testing.T) {
dataDownloadName := "fake-data-download"
bt := &backupMsTestHelper{}
bs := &RestoreMicroService{
dataDownloadName: dataDownloadName,
dataPathMgr: datapath.NewManager(1),
eventRecorder: bt,
resultSignal: make(chan dataPathResult),
logger: velerotest.NewLogger(),
}
expectedErr := datapath.ErrCancelled
expectedEventReason := datapath.EventReasonCancelled
expectedEventMsg := "Data path for data download fake-data-download canceled"
go bs.OnDataDownloadCancelled(context.TODO(), velerov1api.DefaultNamespace, dataDownloadName)
result := <-bs.resultSignal
assert.EqualError(t, result.err, expectedErr)
assert.Equal(t, expectedEventReason, bt.EventReason())
assert.Equal(t, expectedEventMsg, bt.EventMessage())
}
func TestOnDataDownloadCompleted(t *testing.T) {
tests := []struct {
name string
expectedErr string
expectedEventReason string
expectedEventMsg string
marshalErr error
marshallStr string
}{
{
name: "marshal fail",
marshalErr: errors.New("fake-marshal-error"),
expectedErr: "Failed to marshal restore result {{ }}: fake-marshal-error",
},
{
name: "succeed",
marshallStr: "fake-complete-string",
expectedEventReason: datapath.EventReasonCompleted,
expectedEventMsg: "fake-complete-string",
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
dataDownloadName := "fake-data-download"
bt := &backupMsTestHelper{
marshalErr: test.marshalErr,
marshalBytes: []byte(test.marshallStr),
}
bs := &RestoreMicroService{
dataPathMgr: datapath.NewManager(1),
eventRecorder: bt,
resultSignal: make(chan dataPathResult),
logger: velerotest.NewLogger(),
}
funcMarshal = bt.Marshal
go bs.OnDataDownloadCompleted(context.TODO(), velerov1api.DefaultNamespace, dataDownloadName, datapath.Result{})
result := <-bs.resultSignal
if test.marshalErr != nil {
assert.EqualError(t, result.err, test.expectedErr)
} else {
assert.NoError(t, result.err)
assert.Equal(t, test.expectedEventReason, bt.EventReason())
assert.Equal(t, test.expectedEventMsg, bt.EventMessage())
}
})
}
}
func TestOnDataDownloadProgress(t *testing.T) {
tests := []struct {
name string
expectedEventReason string
expectedEventMsg string
marshalErr error
marshallStr string
}{
{
name: "marshal fail",
marshalErr: errors.New("fake-marshal-error"),
},
{
name: "succeed",
marshallStr: "fake-progress-string",
expectedEventReason: datapath.EventReasonProgress,
expectedEventMsg: "fake-progress-string",
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
dataDownloadName := "fake-data-download"
bt := &backupMsTestHelper{
marshalErr: test.marshalErr,
marshalBytes: []byte(test.marshallStr),
}
bs := &RestoreMicroService{
dataPathMgr: datapath.NewManager(1),
eventRecorder: bt,
logger: velerotest.NewLogger(),
}
funcMarshal = bt.Marshal
bs.OnDataDownloadProgress(context.TODO(), velerov1api.DefaultNamespace, dataDownloadName, &uploader.Progress{})
if test.marshalErr != nil {
assert.False(t, bt.withEvent)
} else {
assert.True(t, bt.withEvent)
assert.Equal(t, test.expectedEventReason, bt.EventReason())
assert.Equal(t, test.expectedEventMsg, bt.EventMessage())
}
})
}
}
func TestCancelDataDownload(t *testing.T) {
tests := []struct {
name string
expectedEventReason string
expectedEventMsg string
expectedErr string
}{
{
name: "no fs restore",
expectedEventReason: datapath.EventReasonCancelled,
expectedEventMsg: "Data path for data download fake-data-download canceled",
expectedErr: datapath.ErrCancelled,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
dataDownloadName := "fake-data-download"
dd := builder.ForDataDownload(velerov1api.DefaultNamespace, dataDownloadName).Result()
bt := &backupMsTestHelper{}
bs := &RestoreMicroService{
dataPathMgr: datapath.NewManager(1),
eventRecorder: bt,
resultSignal: make(chan dataPathResult),
logger: velerotest.NewLogger(),
}
go bs.cancelDataDownload(dd)
result := <-bs.resultSignal
assert.EqualError(t, result.err, test.expectedErr)
assert.True(t, bt.withEvent)
assert.Equal(t, test.expectedEventReason, bt.EventReason())
assert.Equal(t, test.expectedEventMsg, bt.EventMessage())
})
}
}
func TestRunCancelableRestore(t *testing.T) {
dataDownloadName := "fake-data-download"
dd := builder.ForDataDownload(velerov1api.DefaultNamespace, dataDownloadName).Phase(velerov2alpha1api.DataDownloadPhaseNew).Result()
ddInProgress := builder.ForDataDownload(velerov1api.DefaultNamespace, dataDownloadName).Phase(velerov2alpha1api.DataDownloadPhaseInProgress).Result()
ctxTimeout, cancel := context.WithTimeout(context.Background(), time.Second)
tests := []struct {
name string
ctx context.Context
result *dataPathResult
dataPathMgr *datapath.Manager
kubeClientObj []runtime.Object
initErr error
startErr error
dataPathStarted bool
expectedEventMsg string
expectedErr string
}{
{
name: "no dd",
ctx: ctxTimeout,
expectedErr: "error waiting for dd: context deadline exceeded",
},
{
name: "dd not in in-progress",
ctx: ctxTimeout,
kubeClientObj: []runtime.Object{dd},
expectedErr: "error waiting for dd: context deadline exceeded",
},
{
name: "create data path fail",
ctx: context.Background(),
kubeClientObj: []runtime.Object{ddInProgress},
dataPathMgr: datapath.NewManager(0),
expectedErr: "error to create data path: Concurrent number exceeds",
},
{
name: "init data path fail",
ctx: context.Background(),
kubeClientObj: []runtime.Object{ddInProgress},
initErr: errors.New("fake-init-error"),
expectedErr: "error to initialize data path: fake-init-error",
},
{
name: "start data path fail",
ctx: context.Background(),
kubeClientObj: []runtime.Object{ddInProgress},
startErr: errors.New("fake-start-error"),
expectedErr: "error starting data path restore: fake-start-error",
},
{
name: "data path timeout",
ctx: ctxTimeout,
kubeClientObj: []runtime.Object{ddInProgress},
dataPathStarted: true,
expectedEventMsg: fmt.Sprintf("Data path for %s stopped", dataDownloadName),
expectedErr: "timed out waiting for fs restore to complete",
},
{
name: "data path returns error",
ctx: context.Background(),
kubeClientObj: []runtime.Object{ddInProgress},
dataPathStarted: true,
result: &dataPathResult{
err: errors.New("fake-data-path-error"),
},
expectedEventMsg: fmt.Sprintf("Data path for %s stopped", dataDownloadName),
expectedErr: "fake-data-path-error",
},
{
name: "succeed",
ctx: context.Background(),
kubeClientObj: []runtime.Object{ddInProgress},
dataPathStarted: true,
result: &dataPathResult{
result: "fake-succeed-result",
},
expectedEventMsg: fmt.Sprintf("Data path for %s stopped", dataDownloadName),
},
}
scheme := runtime.NewScheme()
velerov2alpha1api.AddToScheme(scheme)
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
fakeClientBuilder := clientFake.NewClientBuilder()
fakeClientBuilder = fakeClientBuilder.WithScheme(scheme)
fakeClient := fakeClientBuilder.WithRuntimeObjects(test.kubeClientObj...).Build()
bt := &backupMsTestHelper{}
rs := &RestoreMicroService{
namespace: velerov1api.DefaultNamespace,
dataDownloadName: dataDownloadName,
ctx: context.Background(),
client: fakeClient,
dataPathMgr: datapath.NewManager(1),
eventRecorder: bt,
resultSignal: make(chan dataPathResult),
logger: velerotest.NewLogger(),
}
if test.ctx != nil {
rs.ctx = test.ctx
}
if test.dataPathMgr != nil {
rs.dataPathMgr = test.dataPathMgr
}
datapath.FSBRCreator = func(string, string, kbclient.Client, string, datapath.Callbacks, logrus.FieldLogger) datapath.AsyncBR {
fsBR := datapathmockes.NewAsyncBR(t)
if test.initErr != nil {
fsBR.On("Init", mock.Anything, mock.Anything).Return(test.initErr)
}
if test.startErr != nil {
fsBR.On("Init", mock.Anything, mock.Anything).Return(nil)
fsBR.On("StartRestore", mock.Anything, mock.Anything, mock.Anything).Return(test.startErr)
}
if test.dataPathStarted {
fsBR.On("Init", mock.Anything, mock.Anything).Return(nil)
fsBR.On("StartRestore", mock.Anything, mock.Anything, mock.Anything).Return(nil)
}
return fsBR
}
if test.result != nil {
go func() {
time.Sleep(time.Millisecond * 500)
rs.resultSignal <- *test.result
}()
}
result, err := rs.RunCancelableDataPath(test.ctx)
if test.expectedErr != "" {
assert.EqualError(t, err, test.expectedErr)
} else {
assert.NoError(t, err)
assert.Equal(t, test.result.result, result)
}
if test.expectedEventMsg != "" {
assert.True(t, bt.withEvent)
assert.Equal(t, test.expectedEventMsg, bt.EventMessage())
}
})
}
cancel()
}