Fix bsl validation bug

Fix bsl validation bug: the BSL is validated continually and doesn't respect the validation period configured

Fixes #5056

Signed-off-by: Wenkai Yin(尹文开) <yinw@vmware.com>
This commit is contained in:
Wenkai Yin(尹文开)
2022-07-11 10:44:48 +08:00
parent 6021f148c4
commit 1996ee3be0
4 changed files with 236 additions and 21 deletions
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/*
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 kube
import (
"reflect"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/predicate"
)
// SpecChangePredicate implements a default update predicate function on Spec change
// As Velero doesn't enable subresource in CRDs, we cannot use the object's metadata.generation field to check the spec change
// More details about the generation field refer to https://github.com/kubernetes-sigs/controller-runtime/blob/v0.12.2/pkg/predicate/predicate.go#L156
type SpecChangePredicate struct {
predicate.Funcs
}
func (SpecChangePredicate) Update(e event.UpdateEvent) bool {
if e.ObjectOld == nil {
return false
}
if e.ObjectNew == nil {
return false
}
oldSpec := reflect.ValueOf(e.ObjectOld).Elem().FieldByName("Spec")
// contains no field named "Spec", return false directly
if oldSpec.IsZero() {
return false
}
newSpec := reflect.ValueOf(e.ObjectNew).Elem().FieldByName("Spec")
return !reflect.DeepEqual(oldSpec.Interface(), newSpec.Interface())
}
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/*
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 kube
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
corev1api "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/event"
velerov1 "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
)
func TestSpecChangePredicate(t *testing.T) {
cases := []struct {
name string
oldObj client.Object
newObj client.Object
changed bool
}{
{
name: "Contains no spec field",
oldObj: &velerov1.BackupStorageLocation{
ObjectMeta: metav1.ObjectMeta{
Name: "bsl01",
},
},
newObj: &velerov1.BackupStorageLocation{
ObjectMeta: metav1.ObjectMeta{
Name: "bsl01",
},
},
changed: false,
},
{
name: "ObjectMetas are different, Specs are same",
oldObj: &velerov1.BackupStorageLocation{
ObjectMeta: metav1.ObjectMeta{
Name: "bsl01",
Annotations: map[string]string{"key1": "value1"},
},
Spec: velerov1.BackupStorageLocationSpec{
Provider: "azure",
},
},
newObj: &velerov1.BackupStorageLocation{
ObjectMeta: metav1.ObjectMeta{
Name: "bsl01",
Annotations: map[string]string{"key2": "value2"},
},
Spec: velerov1.BackupStorageLocationSpec{
Provider: "azure",
},
},
changed: false,
},
{
name: "Statuses are different, Specs are same",
oldObj: &velerov1.BackupStorageLocation{
Spec: velerov1.BackupStorageLocationSpec{
Provider: "azure",
},
Status: velerov1.BackupStorageLocationStatus{
Phase: velerov1.BackupStorageLocationPhaseAvailable,
},
},
newObj: &velerov1.BackupStorageLocation{
Spec: velerov1.BackupStorageLocationSpec{
Provider: "azure",
},
Status: velerov1.BackupStorageLocationStatus{
Phase: velerov1.BackupStorageLocationPhaseUnavailable,
},
},
changed: false,
},
{
name: "Specs are different",
oldObj: &velerov1.BackupStorageLocation{
Spec: velerov1.BackupStorageLocationSpec{
Provider: "azure",
},
},
newObj: &velerov1.BackupStorageLocation{
Spec: velerov1.BackupStorageLocationSpec{
Provider: "aws",
},
},
changed: true,
},
{
name: "Specs are same",
oldObj: &velerov1.BackupStorageLocation{
Spec: velerov1.BackupStorageLocationSpec{
Provider: "azure",
Config: map[string]string{"key": "value"},
Credential: &corev1api.SecretKeySelector{
LocalObjectReference: corev1api.LocalObjectReference{
Name: "secret",
},
Key: "credential",
},
StorageType: velerov1.StorageType{
ObjectStorage: &velerov1.ObjectStorageLocation{
Bucket: "bucket1",
Prefix: "prefix",
CACert: []byte{'a'},
},
},
Default: true,
AccessMode: velerov1.BackupStorageLocationAccessModeReadWrite,
BackupSyncPeriod: &metav1.Duration{
Duration: 1 * time.Minute,
},
ValidationFrequency: &metav1.Duration{
Duration: 1 * time.Minute,
},
},
},
newObj: &velerov1.BackupStorageLocation{
Spec: velerov1.BackupStorageLocationSpec{
Provider: "azure",
Config: map[string]string{"key": "value"},
Credential: &corev1api.SecretKeySelector{
LocalObjectReference: corev1api.LocalObjectReference{
Name: "secret",
},
Key: "credential",
},
StorageType: velerov1.StorageType{
ObjectStorage: &velerov1.ObjectStorageLocation{
Bucket: "bucket1",
Prefix: "prefix",
CACert: []byte{'a'},
},
},
Default: true,
AccessMode: velerov1.BackupStorageLocationAccessModeReadWrite,
BackupSyncPeriod: &metav1.Duration{
Duration: 1 * time.Minute,
},
ValidationFrequency: &metav1.Duration{
Duration: 1 * time.Minute,
},
},
},
changed: false,
},
}
predicate := SpecChangePredicate{}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
changed := predicate.Update(event.UpdateEvent{
ObjectOld: c.oldObj,
ObjectNew: c.newObj,
})
assert.Equal(t, c.changed, changed)
})
}
}