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Merge pull request #57504 from yue9944882/fix-fake-client-dummy-watch

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Automatic merge from submit-queue. 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>.

feat(fakeclient): push event on watched channel on add/update/delete

**What this PR does / why we need it**:

This PR enables watch function for kubernetes [fakeclient](https://github.com/kubernetes/kubernetes/blob/1bcf0b0a227d57057bde1f6fd50f26224483b324/staging/src/k8s.io/client-go/kubernetes/fake/clientset_generated.go#L88).

This fake client add watchReactorFunction by wrapping [watch.NewFake](https://github.com/kubernetes/kubernetes/blob/1bcf0b0a227d57057bde1f6fd50f26224483b324/staging/src/k8s.io/client-go/kubernetes/fake/clientset_generated.go#L98) which is a `chan Event` but actually nothing pushes objects into this channel. So all watch function called by fake client will never return or never receive any object.

This PR intercepts ReactionFunc of `Create / Update / DeleteActionImpl` and will push the requested object to channel.

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

Fixes #54075

**Special notes for your reviewer**:

**Release note**:

```dev-release-note
enable watch function for fake client
```

Kubernetes-commit: 268555a30a0f028762854f5b0d3ebb587e2ee4ee
This commit is contained in:
Kubernetes Publisher
2018-01-16 08:39:03 -08:00
parent f1e5514ccc bf54256d6b
commit 83669b2316
7 changed files with 304 additions and 187 deletions
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vendor/k8s.io/apimachinery/pkg/api/errors/errors.go
Generated Vendored
+18
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@@ -352,6 +352,14 @@ func NewGenericServerResponse(code int, verb string, qualifiedResource schema.Gr
reason = metav1.StatusReasonForbidden
// the server message has details about who is trying to perform what action. Keep its message.
message = serverMessage
case http.StatusNotAcceptable:
reason = metav1.StatusReasonNotAcceptable
// the server message has details about what types are acceptable
message = serverMessage
case http.StatusUnsupportedMediaType:
reason = metav1.StatusReasonUnsupportedMediaType
// the server message has details about what types are acceptable
message = serverMessage
case http.StatusMethodNotAllowed:
reason = metav1.StatusReasonMethodNotAllowed
message = "the server does not allow this method on the requested resource"
@@ -434,6 +442,16 @@ func IsResourceExpired(err error) bool {
return ReasonForError(err) == metav1.StatusReasonExpired
}
// IsNotAcceptable determines if err is an error which indicates that the request failed due to an invalid Accept header
func IsNotAcceptable(err error) bool {
return ReasonForError(err) == metav1.StatusReasonNotAcceptable
}
// IsUnsupportedMediaType determines if err is an error which indicates that the request failed due to an invalid Content-Type header
func IsUnsupportedMediaType(err error) bool {
return ReasonForError(err) == metav1.StatusReasonUnsupportedMediaType
}
// IsMethodNotSupported determines if the err is an error which indicates the provided action could not
// be performed because it is not supported by the server.
func IsMethodNotSupported(err error) bool {