velero/pkg/controller/backup_repository_controlle...

380 lines
11 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 controller
import (
"context"
"errors"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
ctrl "sigs.k8s.io/controller-runtime"
velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
"github.com/vmware-tanzu/velero/pkg/repository"
repomokes "github.com/vmware-tanzu/velero/pkg/repository/mocks"
velerotest "github.com/vmware-tanzu/velero/pkg/test"
)
const testMaintenanceFrequency = 10 * time.Minute
func mockBackupRepoReconciler(t *testing.T, rr *velerov1api.BackupRepository, mockOn string, arg interface{}, ret interface{}) *BackupRepoReconciler {
mgr := &repomokes.Manager{}
if mockOn != "" {
mgr.On(mockOn, arg).Return(ret)
}
return NewBackupRepoReconciler(
velerov1api.DefaultNamespace,
velerotest.NewLogger(),
velerotest.NewFakeControllerRuntimeClient(t),
testMaintenanceFrequency,
mgr,
)
}
func mockBackupRepositoryCR() *velerov1api.BackupRepository {
return &velerov1api.BackupRepository{
ObjectMeta: metav1.ObjectMeta{
Namespace: velerov1api.DefaultNamespace,
Name: "repo",
},
Spec: velerov1api.BackupRepositorySpec{
MaintenanceFrequency: metav1.Duration{Duration: testMaintenanceFrequency},
},
}
}
func TestPatchBackupRepository(t *testing.T) {
rr := mockBackupRepositoryCR()
reconciler := mockBackupRepoReconciler(t, rr, "", nil, nil)
err := reconciler.Client.Create(context.TODO(), rr)
assert.NoError(t, err)
err = reconciler.patchBackupRepository(context.Background(), rr, repoReady())
assert.NoError(t, err)
assert.Equal(t, rr.Status.Phase, velerov1api.BackupRepositoryPhaseReady)
err = reconciler.patchBackupRepository(context.Background(), rr, repoNotReady("not ready"))
assert.NoError(t, err)
assert.NotEqual(t, rr.Status.Phase, velerov1api.BackupRepositoryPhaseReady)
}
func TestCheckNotReadyRepo(t *testing.T) {
rr := mockBackupRepositoryCR()
rr.Spec.BackupStorageLocation = "default"
rr.Spec.ResticIdentifier = "fake-identifier"
rr.Spec.VolumeNamespace = "volume-ns-1"
reconciler := mockBackupRepoReconciler(t, rr, "PrepareRepo", rr, nil)
err := reconciler.Client.Create(context.TODO(), rr)
assert.NoError(t, err)
locations := &velerov1api.BackupStorageLocation{
Spec: velerov1api.BackupStorageLocationSpec{
Config: map[string]string{"resticRepoPrefix": "s3:test.amazonaws.com/bucket/restic"},
},
ObjectMeta: metav1.ObjectMeta{
Namespace: velerov1api.DefaultNamespace,
Name: rr.Spec.BackupStorageLocation,
},
}
err = reconciler.Client.Create(context.TODO(), locations)
assert.NoError(t, err)
_, err = reconciler.checkNotReadyRepo(context.TODO(), rr, reconciler.logger)
assert.NoError(t, err)
assert.Equal(t, rr.Status.Phase, velerov1api.BackupRepositoryPhaseReady)
assert.Equal(t, "s3:test.amazonaws.com/bucket/restic/volume-ns-1", rr.Spec.ResticIdentifier)
}
func TestRunMaintenanceIfDue(t *testing.T) {
rr := mockBackupRepositoryCR()
reconciler := mockBackupRepoReconciler(t, rr, "PruneRepo", rr, nil)
err := reconciler.Client.Create(context.TODO(), rr)
assert.NoError(t, err)
lastTm := rr.Status.LastMaintenanceTime
err = reconciler.runMaintenanceIfDue(context.TODO(), rr, reconciler.logger)
assert.NoError(t, err)
assert.NotEqual(t, rr.Status.LastMaintenanceTime, lastTm)
rr.Status.LastMaintenanceTime = &metav1.Time{Time: time.Now()}
lastTm = rr.Status.LastMaintenanceTime
err = reconciler.runMaintenanceIfDue(context.TODO(), rr, reconciler.logger)
assert.NoError(t, err)
assert.Equal(t, rr.Status.LastMaintenanceTime, lastTm)
}
func TestInitializeRepo(t *testing.T) {
rr := mockBackupRepositoryCR()
rr.Spec.BackupStorageLocation = "default"
reconciler := mockBackupRepoReconciler(t, rr, "PrepareRepo", rr, nil)
err := reconciler.Client.Create(context.TODO(), rr)
assert.NoError(t, err)
locations := &velerov1api.BackupStorageLocation{
Spec: velerov1api.BackupStorageLocationSpec{
Config: map[string]string{"resticRepoPrefix": "s3:test.amazonaws.com/bucket/restic"},
},
ObjectMeta: metav1.ObjectMeta{
Namespace: velerov1api.DefaultNamespace,
Name: rr.Spec.BackupStorageLocation,
},
}
err = reconciler.Client.Create(context.TODO(), locations)
assert.NoError(t, err)
err = reconciler.initializeRepo(context.TODO(), rr, reconciler.logger)
assert.NoError(t, err)
assert.Equal(t, rr.Status.Phase, velerov1api.BackupRepositoryPhaseReady)
}
func TestBackupRepoReconcile(t *testing.T) {
tests := []struct {
name string
repo *velerov1api.BackupRepository
expectNil bool
}{
{
name: "test on api server not found",
repo: &velerov1api.BackupRepository{
ObjectMeta: metav1.ObjectMeta{
Namespace: velerov1api.DefaultNamespace,
Name: "unknown",
},
Spec: velerov1api.BackupRepositorySpec{
MaintenanceFrequency: metav1.Duration{Duration: testMaintenanceFrequency},
},
},
expectNil: true,
},
{
name: "test on initialize repo",
repo: &velerov1api.BackupRepository{
ObjectMeta: metav1.ObjectMeta{
Namespace: velerov1api.DefaultNamespace,
Name: "repo",
},
Spec: velerov1api.BackupRepositorySpec{
MaintenanceFrequency: metav1.Duration{Duration: testMaintenanceFrequency},
},
},
expectNil: true,
},
{
name: "test on repo with new phase",
repo: &velerov1api.BackupRepository{
ObjectMeta: metav1.ObjectMeta{
Namespace: velerov1api.DefaultNamespace,
Name: "repo",
},
Spec: velerov1api.BackupRepositorySpec{
MaintenanceFrequency: metav1.Duration{Duration: testMaintenanceFrequency},
},
Status: velerov1api.BackupRepositoryStatus{
Phase: velerov1api.BackupRepositoryPhaseNew,
},
},
expectNil: true,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
reconciler := mockBackupRepoReconciler(t, test.repo, "", test.repo, nil)
err := reconciler.Client.Create(context.TODO(), test.repo)
assert.NoError(t, err)
_, err = reconciler.Reconcile(context.TODO(), ctrl.Request{NamespacedName: types.NamespacedName{Namespace: test.repo.Namespace, Name: test.repo.Name}})
if test.expectNil {
assert.NoError(t, err)
} else {
assert.Error(t, err)
}
})
}
}
func TestGetRepositoryMaintenanceFrequency(t *testing.T) {
tests := []struct {
name string
mgr repository.Manager
repo *velerov1api.BackupRepository
freqReturn time.Duration
freqError error
userDefinedFreq time.Duration
expectFreq time.Duration
}{
{
name: "user defined valid",
userDefinedFreq: time.Hour,
expectFreq: time.Hour,
},
{
name: "repo return valid",
freqReturn: time.Hour * 2,
expectFreq: time.Hour * 2,
},
{
name: "fall to default",
userDefinedFreq: -1,
freqError: errors.New("fake-error"),
expectFreq: defaultMaintainFrequency,
},
{
name: "fall to default, no freq error",
freqReturn: -1,
expectFreq: defaultMaintainFrequency,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
mgr := repomokes.Manager{}
mgr.On("DefaultMaintenanceFrequency", mock.Anything).Return(test.freqReturn, test.freqError)
reconciler := NewBackupRepoReconciler(
velerov1api.DefaultNamespace,
velerotest.NewLogger(),
velerotest.NewFakeControllerRuntimeClient(t),
test.userDefinedFreq,
&mgr,
)
freq := reconciler.getRepositoryMaintenanceFrequency(test.repo)
assert.Equal(t, test.expectFreq, freq)
})
}
}
func TestNeedInvalidBackupRepo(t *testing.T) {
tests := []struct {
name string
oldBSL *velerov1api.BackupStorageLocation
newBSL *velerov1api.BackupStorageLocation
expect bool
}{
{
name: "no change",
oldBSL: &velerov1api.BackupStorageLocation{
Spec: velerov1api.BackupStorageLocationSpec{
Provider: "old-provider",
},
},
newBSL: &velerov1api.BackupStorageLocation{
Spec: velerov1api.BackupStorageLocationSpec{
Provider: "new-provider",
},
},
expect: false,
},
{
name: "other part change",
oldBSL: &velerov1api.BackupStorageLocation{},
newBSL: &velerov1api.BackupStorageLocation{},
expect: false,
},
{
name: "bucket change",
oldBSL: &velerov1api.BackupStorageLocation{
Spec: velerov1api.BackupStorageLocationSpec{
StorageType: velerov1api.StorageType{
ObjectStorage: &velerov1api.ObjectStorageLocation{
Bucket: "old-bucket",
},
},
},
},
newBSL: &velerov1api.BackupStorageLocation{
Spec: velerov1api.BackupStorageLocationSpec{
StorageType: velerov1api.StorageType{
ObjectStorage: &velerov1api.ObjectStorageLocation{
Bucket: "new-bucket",
},
},
},
},
expect: true,
},
{
name: "prefix change",
oldBSL: &velerov1api.BackupStorageLocation{
Spec: velerov1api.BackupStorageLocationSpec{
StorageType: velerov1api.StorageType{
ObjectStorage: &velerov1api.ObjectStorageLocation{
Prefix: "old-prefix",
},
},
},
},
newBSL: &velerov1api.BackupStorageLocation{
Spec: velerov1api.BackupStorageLocationSpec{
StorageType: velerov1api.StorageType{
ObjectStorage: &velerov1api.ObjectStorageLocation{
Prefix: "new-prefix",
},
},
},
},
expect: true,
},
{
name: "CACert change",
oldBSL: &velerov1api.BackupStorageLocation{
Spec: velerov1api.BackupStorageLocationSpec{
StorageType: velerov1api.StorageType{
ObjectStorage: &velerov1api.ObjectStorageLocation{
CACert: []byte{0x11, 0x12, 0x13},
},
},
},
},
newBSL: &velerov1api.BackupStorageLocation{
Spec: velerov1api.BackupStorageLocationSpec{
StorageType: velerov1api.StorageType{
ObjectStorage: &velerov1api.ObjectStorageLocation{
CACert: []byte{0x21, 0x22, 0x23},
},
},
},
},
expect: true,
},
{
name: "config change",
oldBSL: &velerov1api.BackupStorageLocation{
Spec: velerov1api.BackupStorageLocationSpec{
Config: map[string]string{
"key1": "value1",
},
},
},
newBSL: &velerov1api.BackupStorageLocation{
Spec: velerov1api.BackupStorageLocationSpec{
Config: map[string]string{
"key2": "value2",
},
},
},
expect: true,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
reconciler := NewBackupRepoReconciler(
velerov1api.DefaultNamespace,
velerotest.NewLogger(),
velerotest.NewFakeControllerRuntimeClient(t),
time.Duration(0), nil)
need := reconciler.needInvalidBackupRepo(test.oldBSL, test.newBSL)
assert.Equal(t, test.expect, need)
})
}
}