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Merge pull request #55148 from dixudx/controller_defaultGC_DeleteDependents

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Automatic merge from submit-queue (batch tested with PRs 52767, 55065, 55148, 56228, 56221). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

change DefaultGarbageCollectionPolicy to DeleteDependents for workloads controllers

**What this PR does / why we need it**:
As part of the apps/v1 GA effort (kubernetes/features#353) for v1.9. For core controllers, like `Deployment`, `DaemonSet`, `ReplicaSet`, and `StatefulSet`, changing the `DefaultGarbageCollectionPolicy` from `OrphanDependents` to `DeleteDependents` will make these objects consistent with the default behavior for all new objects.

For legacy API versions, the `DefaultGarbageCollectionPolicy` remains `OrphanDependents`.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref #55027

**Special notes for your reviewer**:
/cc @enisoc @caesarxuchao @kow3ns
/assign @kubernetes/sig-apps-api-reviews 

**Release note**:

```release-note
The default garbage collection policy for Deployment, DaemonSet, StatefulSet, and ReplicaSet has changed from OrphanDependents to DeleteDependents when the deletion is requested through an `apps/v1` endpoint. Clients using older endpoints will be unaffected. This change is only at the REST API level and is independent of the default behavior of particular clients (e.g. this does not affect the default for the kubectl `--cascade` flag).

If you upgrade your client-go libs and use the `AppsV1()` interface, please note that the default garbage collection behavior is changed.
```
This commit is contained in:
Kubernetes Submit Queue
2017-11-22 19:49:37 -08:00
committed by GitHub
parent 47611b3e45 344fe56ed3
commit 00b2d95c86
24 changed files with 513 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
pkg/registry/extensions/daemonset/BUILD
View File

@@ -18,6 +18,7 @@ go_library(
"//pkg/api/pod:go_default_library",
"//pkg/apis/extensions:go_default_library",
"//pkg/apis/extensions/validation:go_default_library",
"//vendor/k8s.io/api/apps/v1beta2:go_default_library",
"//vendor/k8s.io/api/extensions/v1beta1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/equality:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/validation:go_default_library",

16
pkg/registry/extensions/daemonset/strategy.go
View File

@@ -17,6 +17,7 @@ limitations under the License.
package daemonset
import (
appsv1beta2 "k8s.io/api/apps/v1beta2"
extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
apiequality "k8s.io/apimachinery/pkg/api/equality"
apivalidation "k8s.io/apimachinery/pkg/api/validation"
@@ -41,9 +42,18 @@ type daemonSetStrategy struct {
// Strategy is the default logic that applies when creating and updating DaemonSet objects.
var Strategy = daemonSetStrategy{legacyscheme.Scheme, names.SimpleNameGenerator}
// DefaultGarbageCollectionPolicy returns Orphan because that was the default
// behavior before the server-side garbage collection was implemented.
func (daemonSetStrategy) DefaultGarbageCollectionPolicy() rest.GarbageCollectionPolicy {
// DefaultGarbageCollectionPolicy returns OrphanDependents by default. For apps/v1, returns DeleteDependents.
func (daemonSetStrategy) DefaultGarbageCollectionPolicy(ctx genericapirequest.Context) rest.GarbageCollectionPolicy {
if requestInfo, found := genericapirequest.RequestInfoFrom(ctx); found {
groupVersion := schema.GroupVersion{Group: requestInfo.APIGroup, Version: requestInfo.APIVersion}
switch groupVersion {
case extensionsv1beta1.SchemeGroupVersion, appsv1beta2.SchemeGroupVersion:
// for back compatibility
return rest.OrphanDependents
default:
return rest.DeleteDependents
}
}
return rest.OrphanDependents
}

51
pkg/registry/extensions/daemonset/strategy_test.go
View File

@@ -35,12 +35,57 @@ const (
namespace = "test-namespace"
)
func TestDefaultGarbageCollectionPolicy(t *testing.T) {
func TestDaemonsetDefaultGarbageCollectionPolicy(t *testing.T) {
// Make sure we correctly implement the interface.
// Otherwise a typo could silently change the default.
var gcds rest.GarbageCollectionDeleteStrategy = Strategy
if got, want := gcds.DefaultGarbageCollectionPolicy(), rest.OrphanDependents; got != want {
t.Errorf("DefaultGarbageCollectionPolicy() = %#v, want %#v", got, want)
tests := []struct {
requestInfo genericapirequest.RequestInfo
expectedGCPolicy rest.GarbageCollectionPolicy
isNilRequestInfo bool
}{
{
genericapirequest.RequestInfo{
APIGroup: "extensions",
APIVersion: "v1beta1",
Resource: "daemonsets",
},
rest.OrphanDependents,
false,
},
{
genericapirequest.RequestInfo{
APIGroup: "apps",
APIVersion: "v1beta2",
Resource: "daemonsets",
},
rest.OrphanDependents,
false,
},
{
genericapirequest.RequestInfo{
APIGroup: "apps",
APIVersion: "v1",
Resource: "daemonsets",
},
rest.DeleteDependents,
false,
},
{
expectedGCPolicy: rest.OrphanDependents,
isNilRequestInfo: true,
},
}
for _, test := range tests {
context := genericapirequest.NewContext()
if !test.isNilRequestInfo {
context = genericapirequest.WithRequestInfo(context, &test.requestInfo)
}
if got, want := gcds.DefaultGarbageCollectionPolicy(context), test.expectedGCPolicy; got != want {
t.Errorf("%s/%s: DefaultGarbageCollectionPolicy() = %#v, want %#v", test.requestInfo.APIGroup,
test.requestInfo.APIVersion, got, want)
}
}
}

2
pkg/registry/extensions/deployment/BUILD
View File

@@ -20,6 +20,7 @@ go_library(
"//pkg/apis/extensions:go_default_library",
"//pkg/apis/extensions/validation:go_default_library",
"//vendor/k8s.io/api/apps/v1beta1:go_default_library",
"//vendor/k8s.io/api/apps/v1beta2:go_default_library",
"//vendor/k8s.io/api/extensions/v1beta1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/equality:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/validation:go_default_library",
@@ -47,6 +48,7 @@ go_test(
"//vendor/k8s.io/apimachinery/pkg/util/intstr:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/validation/field:go_default_library",
"//vendor/k8s.io/apiserver/pkg/endpoints/request:go_default_library",
"//vendor/k8s.io/apiserver/pkg/registry/rest:go_default_library",
],
)

16
pkg/registry/extensions/deployment/strategy.go
View File

@@ -18,6 +18,7 @@ package deployment
import (
appsv1beta1 "k8s.io/api/apps/v1beta1"
appsv1beta2 "k8s.io/api/apps/v1beta2"
extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
apiequality "k8s.io/apimachinery/pkg/api/equality"
apivalidation "k8s.io/apimachinery/pkg/api/validation"
@@ -43,9 +44,18 @@ type deploymentStrategy struct {
// objects via the REST API.
var Strategy = deploymentStrategy{legacyscheme.Scheme, names.SimpleNameGenerator}
// DefaultGarbageCollectionPolicy returns Orphan because that's the default
// behavior before the server-side garbage collection is implemented.
func (deploymentStrategy) DefaultGarbageCollectionPolicy() rest.GarbageCollectionPolicy {
// DefaultGarbageCollectionPolicy returns OrphanDependents by default. For apps/v1, returns DeleteDependents.
func (deploymentStrategy) DefaultGarbageCollectionPolicy(ctx genericapirequest.Context) rest.GarbageCollectionPolicy {
if requestInfo, found := genericapirequest.RequestInfoFrom(ctx); found {
groupVersion := schema.GroupVersion{Group: requestInfo.APIGroup, Version: requestInfo.APIVersion}
switch groupVersion {
case extensionsv1beta1.SchemeGroupVersion, appsv1beta1.SchemeGroupVersion, appsv1beta2.SchemeGroupVersion:
// for back compatibility
return rest.OrphanDependents
default:
return rest.DeleteDependents
}
}
return rest.OrphanDependents
}

64
pkg/registry/extensions/deployment/strategy_test.go
View File

@@ -25,6 +25,7 @@ import (
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/validation/field"
genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
"k8s.io/apiserver/pkg/registry/rest"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/apis/extensions"
)
@@ -183,3 +184,66 @@ func newDeploymentWithSelectorLabels(selectorLabels map[string]string) *extensio
},
}
}
func TestDeploymentDefaultGarbageCollectionPolicy(t *testing.T) {
// Make sure we correctly implement the interface.
// Otherwise a typo could silently change the default.
var gcds rest.GarbageCollectionDeleteStrategy = Strategy
tests := []struct {
requestInfo genericapirequest.RequestInfo
expectedGCPolicy rest.GarbageCollectionPolicy
isNilRequestInfo bool
}{
{
genericapirequest.RequestInfo{
APIGroup: "extensions",
APIVersion: "v1beta1",
Resource: "deployments",
},
rest.OrphanDependents,
false,
},
{
genericapirequest.RequestInfo{
APIGroup: "apps",
APIVersion: "v1beta1",
Resource: "deployments",
},
rest.OrphanDependents,
false,
},
{
genericapirequest.RequestInfo{
APIGroup: "apps",
APIVersion: "v1beta2",
Resource: "deployments",
},
rest.OrphanDependents,
false,
},
{
genericapirequest.RequestInfo{
APIGroup: "apps",
APIVersion: "v1",
Resource: "deployments",
},
rest.DeleteDependents,
false,
},
{
expectedGCPolicy: rest.OrphanDependents,
isNilRequestInfo: true,
},
}
for _, test := range tests {
context := genericapirequest.NewContext()
if !test.isNilRequestInfo {
context = genericapirequest.WithRequestInfo(context, &test.requestInfo)
}
if got, want := gcds.DefaultGarbageCollectionPolicy(context), test.expectedGCPolicy; got != want {
t.Errorf("%s/%s: DefaultGarbageCollectionPolicy() = %#v, want %#v", test.requestInfo.APIGroup,
test.requestInfo.APIVersion, got, want)
}
}
}

2
pkg/registry/extensions/replicaset/BUILD
View File

@@ -19,6 +19,7 @@ go_library(
"//pkg/api/pod:go_default_library",
"//pkg/apis/extensions:go_default_library",
"//pkg/apis/extensions/validation:go_default_library",
"//vendor/k8s.io/api/apps/v1beta2:go_default_library",
"//vendor/k8s.io/api/extensions/v1beta1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/equality:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/validation:go_default_library",
@@ -49,6 +50,7 @@ go_test(
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/validation/field:go_default_library",
"//vendor/k8s.io/apiserver/pkg/endpoints/request:go_default_library",
"//vendor/k8s.io/apiserver/pkg/registry/rest:go_default_library",
],
)

16
pkg/registry/extensions/replicaset/strategy.go
View File

@@ -22,6 +22,7 @@ import (
"fmt"
"strconv"
appsv1beta2 "k8s.io/api/apps/v1beta2"
extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
apiequality "k8s.io/apimachinery/pkg/api/equality"
apivalidation "k8s.io/apimachinery/pkg/api/validation"
@@ -50,9 +51,18 @@ type rsStrategy struct {
// Strategy is the default logic that applies when creating and updating ReplicaSet objects.
var Strategy = rsStrategy{legacyscheme.Scheme, names.SimpleNameGenerator}
// DefaultGarbageCollectionPolicy returns Orphan because that's the default
// behavior before the server-side garbage collection is implemented.
func (rsStrategy) DefaultGarbageCollectionPolicy() rest.GarbageCollectionPolicy {
// DefaultGarbageCollectionPolicy returns OrphanDependents by default. For apps/v1, returns DeleteDependents.
func (rsStrategy) DefaultGarbageCollectionPolicy(ctx genericapirequest.Context) rest.GarbageCollectionPolicy {
if requestInfo, found := genericapirequest.RequestInfoFrom(ctx); found {
groupVersion := schema.GroupVersion{Group: requestInfo.APIGroup, Version: requestInfo.APIVersion}
switch groupVersion {
case extensionsv1beta1.SchemeGroupVersion, appsv1beta2.SchemeGroupVersion:
// for back compatibility
return rest.OrphanDependents
default:
return rest.DeleteDependents
}
}
return rest.OrphanDependents
}

55
pkg/registry/extensions/replicaset/strategy_test.go
View File

@@ -23,6 +23,7 @@ import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/validation/field"
genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
"k8s.io/apiserver/pkg/registry/rest"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/apis/extensions"
)
@@ -227,3 +228,57 @@ func newReplicaSetWithSelectorLabels(selectorLabels map[string]string) *extensio
},
}
}
func TestReplicasetDefaultGarbageCollectionPolicy(t *testing.T) {
// Make sure we correctly implement the interface.
// Otherwise a typo could silently change the default.
var gcds rest.GarbageCollectionDeleteStrategy = Strategy
tests := []struct {
requestInfo genericapirequest.RequestInfo
expectedGCPolicy rest.GarbageCollectionPolicy
isNilRequestInfo bool
}{
{
genericapirequest.RequestInfo{
APIGroup: "extensions",
APIVersion: "v1beta1",
Resource: "replicasets",
},
rest.OrphanDependents,
false,
},
{
genericapirequest.RequestInfo{
APIGroup: "apps",
APIVersion: "v1beta2",
Resource: "replicasets",
},
rest.OrphanDependents,
false,
},
{
genericapirequest.RequestInfo{
APIGroup: "apps",
APIVersion: "v1",
Resource: "replicasets",
},
rest.DeleteDependents,
false,
},
{
expectedGCPolicy: rest.OrphanDependents,
isNilRequestInfo: true,
},
}
for _, test := range tests {
context := genericapirequest.NewContext()
if !test.isNilRequestInfo {
context = genericapirequest.WithRequestInfo(context, &test.requestInfo)
}
if got, want := gcds.DefaultGarbageCollectionPolicy(context), test.expectedGCPolicy; got != want {
t.Errorf("%s/%s: DefaultGarbageCollectionPolicy() = %#v, want %#v", test.requestInfo.APIGroup,
test.requestInfo.APIVersion, got, want)
}
}
}