mirror of
https://github.com/vmware-tanzu/velero.git
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130512187a
Refactor plugin management: - support multiple plugins per executable - support restarting a plugin process in the event it terminates - simplify plugin lifecycle management by using separate managers for each scope (server vs backup vs restore) Signed-off-by: Andy Goldstein <andy.goldstein@gmail.com>
592 lines
19 KiB
Go
592 lines
19 KiB
Go
/*
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Copyright 2018 the Heptio Ark contributors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package controller
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import (
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"fmt"
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"testing"
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"time"
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"github.com/heptio/ark/pkg/apis/ark/v1"
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pkgbackup "github.com/heptio/ark/pkg/backup"
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"github.com/heptio/ark/pkg/cloudprovider"
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"github.com/heptio/ark/pkg/generated/clientset/versioned/fake"
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informers "github.com/heptio/ark/pkg/generated/informers/externalversions"
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arktest "github.com/heptio/ark/pkg/util/test"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/clock"
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"k8s.io/apimachinery/pkg/util/sets"
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core "k8s.io/client-go/testing"
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)
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func TestBackupDeletionControllerProcessQueueItem(t *testing.T) {
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client := fake.NewSimpleClientset()
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sharedInformers := informers.NewSharedInformerFactory(client, 0)
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controller := NewBackupDeletionController(
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arktest.NewLogger(),
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sharedInformers.Ark().V1().DeleteBackupRequests(),
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client.ArkV1(), // deleteBackupRequestClient
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client.ArkV1(), // backupClient
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nil, // snapshotService
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nil, // backupService
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"bucket",
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sharedInformers.Ark().V1().Restores(),
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client.ArkV1(), // restoreClient
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NewBackupTracker(),
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nil, // restic repository manager
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sharedInformers.Ark().V1().PodVolumeBackups(),
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).(*backupDeletionController)
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// Error splitting key
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err := controller.processQueueItem("foo/bar/baz")
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assert.Error(t, err)
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// Can't find DeleteBackupRequest
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err = controller.processQueueItem("foo/bar")
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assert.NoError(t, err)
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// Already processed
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req := pkgbackup.NewDeleteBackupRequest("foo", "uid")
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req.Namespace = "foo"
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req.Name = "foo-abcde"
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req.Status.Phase = v1.DeleteBackupRequestPhaseProcessed
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err = controller.processQueueItem("foo/bar")
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assert.NoError(t, err)
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// Invoke processRequestFunc
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for _, phase := range []v1.DeleteBackupRequestPhase{"", v1.DeleteBackupRequestPhaseNew, v1.DeleteBackupRequestPhaseInProgress} {
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t.Run(fmt.Sprintf("phase=%s", phase), func(t *testing.T) {
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req.Status.Phase = phase
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sharedInformers.Ark().V1().DeleteBackupRequests().Informer().GetStore().Add(req)
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var errorToReturn error
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var actual *v1.DeleteBackupRequest
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var called bool
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controller.processRequestFunc = func(r *v1.DeleteBackupRequest) error {
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called = true
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actual = r
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return errorToReturn
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}
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// No error
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err = controller.processQueueItem("foo/foo-abcde")
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require.True(t, called, "processRequestFunc wasn't called")
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assert.Equal(t, err, errorToReturn)
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assert.Equal(t, req, actual)
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// Error
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errorToReturn = errors.New("bar")
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err = controller.processQueueItem("foo/foo-abcde")
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require.True(t, called, "processRequestFunc wasn't called")
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assert.Equal(t, err, errorToReturn)
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})
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}
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}
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type backupDeletionControllerTestData struct {
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client *fake.Clientset
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sharedInformers informers.SharedInformerFactory
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snapshotService *arktest.FakeSnapshotService
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controller *backupDeletionController
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req *v1.DeleteBackupRequest
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}
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func setupBackupDeletionControllerTest(objects ...runtime.Object) *backupDeletionControllerTestData {
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client := fake.NewSimpleClientset(objects...)
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sharedInformers := informers.NewSharedInformerFactory(client, 0)
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snapshotService := &arktest.FakeSnapshotService{SnapshotsTaken: sets.NewString()}
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req := pkgbackup.NewDeleteBackupRequest("foo", "uid")
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data := &backupDeletionControllerTestData{
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client: client,
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sharedInformers: sharedInformers,
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snapshotService: snapshotService,
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controller: NewBackupDeletionController(
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arktest.NewLogger(),
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sharedInformers.Ark().V1().DeleteBackupRequests(),
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client.ArkV1(), // deleteBackupRequestClient
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client.ArkV1(), // backupClient
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snapshotService,
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nil, // objectStore
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"bucket",
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sharedInformers.Ark().V1().Restores(),
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client.ArkV1(), // restoreClient
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NewBackupTracker(),
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nil, // restic repository manager
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sharedInformers.Ark().V1().PodVolumeBackups(),
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).(*backupDeletionController),
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req: req,
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}
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req.Namespace = "heptio-ark"
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req.Name = "foo-abcde"
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return data
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}
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func TestBackupDeletionControllerProcessRequest(t *testing.T) {
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t.Run("missing spec.backupName", func(t *testing.T) {
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td := setupBackupDeletionControllerTest()
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td.req.Spec.BackupName = ""
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err := td.controller.processRequest(td.req)
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require.NoError(t, err)
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expectedActions := []core.Action{
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core.NewPatchAction(
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v1.SchemeGroupVersion.WithResource("deletebackuprequests"),
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td.req.Namespace,
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td.req.Name,
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[]byte(`{"status":{"errors":["spec.backupName is required"],"phase":"Processed"}}`),
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),
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}
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assert.Equal(t, expectedActions, td.client.Actions())
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})
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t.Run("existing deletion requests for the backup are deleted", func(t *testing.T) {
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td := setupBackupDeletionControllerTest()
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// add the backup to the tracker so the execution of processRequest doesn't progress
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// past checking for an in-progress backup. this makes validation easier.
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td.controller.backupTracker.Add(td.req.Namespace, td.req.Spec.BackupName)
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require.NoError(t, td.sharedInformers.Ark().V1().DeleteBackupRequests().Informer().GetStore().Add(td.req))
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existing := &v1.DeleteBackupRequest{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: td.req.Namespace,
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Name: "bar",
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Labels: map[string]string{
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v1.BackupNameLabel: td.req.Spec.BackupName,
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},
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},
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Spec: v1.DeleteBackupRequestSpec{
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BackupName: td.req.Spec.BackupName,
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},
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}
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require.NoError(t, td.sharedInformers.Ark().V1().DeleteBackupRequests().Informer().GetStore().Add(existing))
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_, err := td.client.ArkV1().DeleteBackupRequests(td.req.Namespace).Create(existing)
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require.NoError(t, err)
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require.NoError(t, td.sharedInformers.Ark().V1().DeleteBackupRequests().Informer().GetStore().Add(
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&v1.DeleteBackupRequest{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: td.req.Namespace,
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Name: "bar-2",
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Labels: map[string]string{
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v1.BackupNameLabel: "some-other-backup",
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},
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},
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Spec: v1.DeleteBackupRequestSpec{
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BackupName: "some-other-backup",
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},
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},
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))
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assert.NoError(t, td.controller.processRequest(td.req))
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expectedDeleteAction := core.NewDeleteAction(
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v1.SchemeGroupVersion.WithResource("deletebackuprequests"),
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td.req.Namespace,
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"bar",
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)
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// first action is the Create of an existing DBR for the backup as part of test data setup
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// second action is the Delete of the existing DBR, which we're validating
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// third action is the Patch of the DBR to set it to processed with an error
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require.Len(t, td.client.Actions(), 3)
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assert.Equal(t, expectedDeleteAction, td.client.Actions()[1])
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})
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t.Run("deleting an in progress backup isn't allowed", func(t *testing.T) {
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td := setupBackupDeletionControllerTest()
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td.controller.backupTracker.Add(td.req.Namespace, td.req.Spec.BackupName)
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err := td.controller.processRequest(td.req)
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require.NoError(t, err)
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expectedActions := []core.Action{
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core.NewPatchAction(
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v1.SchemeGroupVersion.WithResource("deletebackuprequests"),
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td.req.Namespace,
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td.req.Name,
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[]byte(`{"status":{"errors":["backup is still in progress"],"phase":"Processed"}}`),
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),
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}
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assert.Equal(t, expectedActions, td.client.Actions())
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})
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t.Run("patching to InProgress fails", func(t *testing.T) {
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td := setupBackupDeletionControllerTest()
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td.client.PrependReactor("patch", "deletebackuprequests", func(action core.Action) (bool, runtime.Object, error) {
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return true, nil, errors.New("bad")
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})
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err := td.controller.processRequest(td.req)
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assert.EqualError(t, err, "error patching DeleteBackupRequest: bad")
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})
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t.Run("patching backup to Deleting fails", func(t *testing.T) {
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backup := arktest.NewTestBackup().WithName("foo").WithSnapshot("pv-1", "snap-1").Backup
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td := setupBackupDeletionControllerTest(backup)
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td.client.PrependReactor("patch", "deletebackuprequests", func(action core.Action) (bool, runtime.Object, error) {
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return true, td.req, nil
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})
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td.client.PrependReactor("patch", "backups", func(action core.Action) (bool, runtime.Object, error) {
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return true, nil, errors.New("bad")
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})
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err := td.controller.processRequest(td.req)
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assert.EqualError(t, err, "error patching Backup: bad")
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})
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t.Run("unable to find backup", func(t *testing.T) {
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td := setupBackupDeletionControllerTest()
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td.client.PrependReactor("get", "backups", func(action core.Action) (bool, runtime.Object, error) {
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return true, nil, apierrors.NewNotFound(v1.SchemeGroupVersion.WithResource("backups").GroupResource(), "foo")
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})
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td.client.PrependReactor("patch", "deletebackuprequests", func(action core.Action) (bool, runtime.Object, error) {
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return true, td.req, nil
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})
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err := td.controller.processRequest(td.req)
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require.NoError(t, err)
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expectedActions := []core.Action{
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core.NewPatchAction(
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v1.SchemeGroupVersion.WithResource("deletebackuprequests"),
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td.req.Namespace,
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td.req.Name,
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[]byte(`{"status":{"phase":"InProgress"}}`),
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),
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core.NewGetAction(
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v1.SchemeGroupVersion.WithResource("backups"),
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td.req.Namespace,
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td.req.Spec.BackupName,
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),
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core.NewPatchAction(
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v1.SchemeGroupVersion.WithResource("deletebackuprequests"),
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td.req.Namespace,
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td.req.Name,
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[]byte(`{"status":{"errors":["backup not found"],"phase":"Processed"}}`),
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),
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}
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assert.Equal(t, expectedActions, td.client.Actions())
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})
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t.Run("no snapshot service, backup has snapshots", func(t *testing.T) {
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td := setupBackupDeletionControllerTest()
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td.controller.snapshotService = nil
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td.client.PrependReactor("get", "backups", func(action core.Action) (bool, runtime.Object, error) {
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backup := arktest.NewTestBackup().WithName("backup-1").WithSnapshot("pv-1", "snap-1").Backup
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return true, backup, nil
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})
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td.client.PrependReactor("patch", "deletebackuprequests", func(action core.Action) (bool, runtime.Object, error) {
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return true, td.req, nil
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})
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err := td.controller.processRequest(td.req)
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require.NoError(t, err)
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expectedActions := []core.Action{
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core.NewPatchAction(
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v1.SchemeGroupVersion.WithResource("deletebackuprequests"),
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td.req.Namespace,
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td.req.Name,
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[]byte(`{"status":{"phase":"InProgress"}}`),
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),
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core.NewGetAction(
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v1.SchemeGroupVersion.WithResource("backups"),
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td.req.Namespace,
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td.req.Spec.BackupName,
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),
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core.NewPatchAction(
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v1.SchemeGroupVersion.WithResource("deletebackuprequests"),
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td.req.Namespace,
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td.req.Name,
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[]byte(`{"status":{"errors":["unable to delete backup because it includes PV snapshots and Ark is not configured with a PersistentVolumeProvider"],"phase":"Processed"}}`),
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),
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}
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assert.Equal(t, expectedActions, td.client.Actions())
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})
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t.Run("full delete, no errors", func(t *testing.T) {
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backup := arktest.NewTestBackup().WithName("foo").WithSnapshot("pv-1", "snap-1").Backup
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backup.UID = "uid"
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restore1 := arktest.NewTestRestore("heptio-ark", "restore-1", v1.RestorePhaseCompleted).WithBackup("foo").Restore
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restore2 := arktest.NewTestRestore("heptio-ark", "restore-2", v1.RestorePhaseCompleted).WithBackup("foo").Restore
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restore3 := arktest.NewTestRestore("heptio-ark", "restore-3", v1.RestorePhaseCompleted).WithBackup("some-other-backup").Restore
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td := setupBackupDeletionControllerTest(backup, restore1, restore2, restore3)
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td.sharedInformers.Ark().V1().Restores().Informer().GetStore().Add(restore1)
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td.sharedInformers.Ark().V1().Restores().Informer().GetStore().Add(restore2)
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td.sharedInformers.Ark().V1().Restores().Informer().GetStore().Add(restore3)
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// Clear out req labels to make sure the controller adds them
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td.req.Labels = make(map[string]string)
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td.client.PrependReactor("get", "backups", func(action core.Action) (bool, runtime.Object, error) {
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return true, backup, nil
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})
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td.snapshotService.SnapshotsTaken.Insert("snap-1")
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td.client.PrependReactor("patch", "deletebackuprequests", func(action core.Action) (bool, runtime.Object, error) {
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return true, td.req, nil
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})
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td.client.PrependReactor("patch", "backups", func(action core.Action) (bool, runtime.Object, error) {
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return true, backup, nil
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})
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td.controller.deleteBackupDir = func(_ logrus.FieldLogger, _ cloudprovider.ObjectStore, bucket, backupName string) error {
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require.Equal(t, "bucket", bucket)
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require.Equal(t, td.req.Spec.BackupName, backupName)
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return nil
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}
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err := td.controller.processRequest(td.req)
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require.NoError(t, err)
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expectedActions := []core.Action{
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core.NewPatchAction(
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v1.SchemeGroupVersion.WithResource("deletebackuprequests"),
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td.req.Namespace,
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td.req.Name,
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[]byte(`{"metadata":{"labels":{"ark.heptio.com/backup-name":"foo"}},"status":{"phase":"InProgress"}}`),
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),
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core.NewGetAction(
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v1.SchemeGroupVersion.WithResource("backups"),
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td.req.Namespace,
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td.req.Spec.BackupName,
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),
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core.NewPatchAction(
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v1.SchemeGroupVersion.WithResource("deletebackuprequests"),
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td.req.Namespace,
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td.req.Name,
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[]byte(`{"metadata":{"labels":{"ark.heptio.com/backup-uid":"uid"}}}`),
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),
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core.NewPatchAction(
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v1.SchemeGroupVersion.WithResource("backups"),
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td.req.Namespace,
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td.req.Spec.BackupName,
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[]byte(`{"status":{"phase":"Deleting"}}`),
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),
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core.NewDeleteAction(
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v1.SchemeGroupVersion.WithResource("restores"),
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td.req.Namespace,
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"restore-1",
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),
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core.NewDeleteAction(
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v1.SchemeGroupVersion.WithResource("restores"),
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td.req.Namespace,
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"restore-2",
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),
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core.NewDeleteAction(
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v1.SchemeGroupVersion.WithResource("backups"),
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td.req.Namespace,
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td.req.Spec.BackupName,
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),
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core.NewPatchAction(
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v1.SchemeGroupVersion.WithResource("deletebackuprequests"),
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td.req.Namespace,
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td.req.Name,
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[]byte(`{"status":{"phase":"Processed"}}`),
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),
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core.NewDeleteCollectionAction(
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v1.SchemeGroupVersion.WithResource("deletebackuprequests"),
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td.req.Namespace,
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pkgbackup.NewDeleteBackupRequestListOptions(td.req.Spec.BackupName, "uid"),
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),
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}
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arktest.CompareActions(t, expectedActions, td.client.Actions())
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// Make sure snapshot was deleted
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assert.Equal(t, 0, td.snapshotService.SnapshotsTaken.Len())
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})
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}
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func TestBackupDeletionControllerDeleteExpiredRequests(t *testing.T) {
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now := time.Date(2018, 4, 4, 12, 0, 0, 0, time.UTC)
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unexpired1 := time.Date(2018, 4, 4, 11, 0, 0, 0, time.UTC)
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unexpired2 := time.Date(2018, 4, 3, 12, 0, 1, 0, time.UTC)
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expired1 := time.Date(2018, 4, 3, 12, 0, 0, 0, time.UTC)
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expired2 := time.Date(2018, 4, 3, 2, 0, 0, 0, time.UTC)
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tests := []struct {
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name string
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requests []*v1.DeleteBackupRequest
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expectedDeletions []string
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}{
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{
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name: "no requests",
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},
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{
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name: "older than max age, phase = '', don't delete",
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requests: []*v1.DeleteBackupRequest{
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{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "ns",
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Name: "name",
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CreationTimestamp: metav1.Time{Time: expired1},
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},
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Status: v1.DeleteBackupRequestStatus{
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Phase: "",
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},
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},
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},
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},
|
|
{
|
|
name: "older than max age, phase = New, don't delete",
|
|
requests: []*v1.DeleteBackupRequest{
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Namespace: "ns",
|
|
Name: "name",
|
|
CreationTimestamp: metav1.Time{Time: expired1},
|
|
},
|
|
Status: v1.DeleteBackupRequestStatus{
|
|
Phase: v1.DeleteBackupRequestPhaseNew,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "older than max age, phase = InProcess, don't delete",
|
|
requests: []*v1.DeleteBackupRequest{
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Namespace: "ns",
|
|
Name: "name",
|
|
CreationTimestamp: metav1.Time{Time: expired1},
|
|
},
|
|
Status: v1.DeleteBackupRequestStatus{
|
|
Phase: v1.DeleteBackupRequestPhaseInProgress,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "some expired, some not",
|
|
requests: []*v1.DeleteBackupRequest{
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Namespace: "ns",
|
|
Name: "unexpired-1",
|
|
CreationTimestamp: metav1.Time{Time: unexpired1},
|
|
},
|
|
Status: v1.DeleteBackupRequestStatus{
|
|
Phase: v1.DeleteBackupRequestPhaseProcessed,
|
|
},
|
|
},
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Namespace: "ns",
|
|
Name: "expired-1",
|
|
CreationTimestamp: metav1.Time{Time: expired1},
|
|
},
|
|
Status: v1.DeleteBackupRequestStatus{
|
|
Phase: v1.DeleteBackupRequestPhaseProcessed,
|
|
},
|
|
},
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Namespace: "ns",
|
|
Name: "unexpired-2",
|
|
CreationTimestamp: metav1.Time{Time: unexpired2},
|
|
},
|
|
Status: v1.DeleteBackupRequestStatus{
|
|
Phase: v1.DeleteBackupRequestPhaseProcessed,
|
|
},
|
|
},
|
|
{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Namespace: "ns",
|
|
Name: "expired-2",
|
|
CreationTimestamp: metav1.Time{Time: expired2},
|
|
},
|
|
Status: v1.DeleteBackupRequestStatus{
|
|
Phase: v1.DeleteBackupRequestPhaseProcessed,
|
|
},
|
|
},
|
|
},
|
|
expectedDeletions: []string{"expired-1", "expired-2"},
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
client := fake.NewSimpleClientset()
|
|
sharedInformers := informers.NewSharedInformerFactory(client, 0)
|
|
|
|
controller := NewBackupDeletionController(
|
|
arktest.NewLogger(),
|
|
sharedInformers.Ark().V1().DeleteBackupRequests(),
|
|
client.ArkV1(), // deleteBackupRequestClient
|
|
client.ArkV1(), // backupClient
|
|
nil, // snapshotService
|
|
nil, // backupService
|
|
"bucket",
|
|
sharedInformers.Ark().V1().Restores(),
|
|
client.ArkV1(), // restoreClient
|
|
NewBackupTracker(),
|
|
nil,
|
|
sharedInformers.Ark().V1().PodVolumeBackups(),
|
|
).(*backupDeletionController)
|
|
|
|
fakeClock := &clock.FakeClock{}
|
|
fakeClock.SetTime(now)
|
|
controller.clock = fakeClock
|
|
|
|
for i := range test.requests {
|
|
sharedInformers.Ark().V1().DeleteBackupRequests().Informer().GetStore().Add(test.requests[i])
|
|
}
|
|
|
|
controller.deleteExpiredRequests()
|
|
|
|
expectedActions := []core.Action{}
|
|
for _, name := range test.expectedDeletions {
|
|
expectedActions = append(expectedActions, core.NewDeleteAction(v1.SchemeGroupVersion.WithResource("deletebackuprequests"), "ns", name))
|
|
}
|
|
|
|
arktest.CompareActions(t, expectedActions, client.Actions())
|
|
})
|
|
}
|
|
}
|