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Merge pull request #21179 from smarterclayton/cant_replace_cluster_resource

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This commit is contained in:
k8s-merge-robot 2016-02-16 04:45:43 -08:00
commit dada47eb2f
3 changed files with 82 additions and 28 deletions
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25
hack/test-cmd.sh
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@ -521,6 +521,31 @@ runTests() {
kube::test::get_object_assert 'pod valid-pod' "{{(index .spec.containers 0).name}}" 'replaced-k8s-serve-hostname'
#cleaning
rm /tmp/tmp-valid-pod.json
## replace of a cluster scoped resource can succeed
# Pre-condition: a node exists
kubectl create -f - "${kube_flags[@]}" << __EOF__
{
"kind": "Node",
"apiVersion": "v1",
"metadata": {
"name": "node-${version}-test"
}
}
__EOF__
kubectl replace -f - "${kube_flags[@]}" << __EOF__
{
"kind": "Node",
"apiVersion": "v1",
"metadata": {
"name": "node-${version}-test",
"annotations": {"a":"b"}
}
}
__EOF__
# Post-condition: the node command succeeds
kube::test::get_object_assert "node node-${version}-test" "{{.metadata.annotations.a}}" 'b'
kubectl delete node node-${version}-test
## kubectl edit can update the image field of a POD. tmp-editor.sh is a fake editor
echo -e '#!/bin/bash\nsed -i "s/nginx/gcr.io\/google_containers\/serve_hostname/g" $1' > /tmp/tmp-editor.sh

2
pkg/kubectl/resource/helper.go
View File

@ -144,7 +144,7 @@ func (m *Helper) Replace(namespace, name string, overwrite bool, obj runtime.Obj
}
if version == "" && overwrite {
// Retrieve the current version of the object to overwrite the server object
serverObj, err := c.Get().Namespace(namespace).Resource(m.Resource).Name(name).Do().Get()
serverObj, err := c.Get().NamespaceIfScoped(namespace, m.NamespaceScoped).Resource(m.Resource).Name(name).Do().Get()
if err != nil {
// The object does not exist, but we want it to be created
return m.replaceResource(c, m.Resource, namespace, name, obj)

83
pkg/kubectl/resource/helper_test.go
View File

@ -357,40 +357,42 @@ func TestHelperList(t *testing.T) {
}
func TestHelperReplace(t *testing.T) {
expectPut := func(req *http.Request) bool {
expectPut := func(path string, req *http.Request) bool {
if req.Method != "PUT" {
t.Errorf("unexpected method: %#v", req)
return false
}
parts := splitPath(req.URL.Path)
if parts[1] != "bar" {
t.Errorf("url doesn't contain namespace: %#v", req.URL)
return false
}
if parts[2] != "foo" {
t.Errorf("url doesn't contain name: %#v", req)
if req.URL.Path != path {
t.Errorf("unexpected url: %v", req.URL)
return false
}
return true
}
tests := []struct {
Resp *http.Response
HTTPClient *http.Client
HttpErr error
Overwrite bool
Object runtime.Object
Resp *http.Response
HTTPClient *http.Client
HttpErr error
Overwrite bool
Object runtime.Object
Namespace string
NamespaceScoped bool
ExpectPath string
ExpectObject runtime.Object
Err bool
Req func(*http.Request) bool
Req func(string, *http.Request) bool
}{
{
HttpErr: errors.New("failure"),
Err: true,
Namespace: "bar",
NamespaceScoped: true,
HttpErr: errors.New("failure"),
Err: true,
},
{
Object: &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}},
Namespace: "bar",
NamespaceScoped: true,
Object: &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}},
Resp: &http.Response{
StatusCode: http.StatusNotFound,
Body: objBody(&unversioned.Status{Status: unversioned.StatusFailure}),
@ -398,19 +400,26 @@ func TestHelperReplace(t *testing.T) {
Err: true,
},
{
Object: &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}},
ExpectObject: &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}},
Namespace: "bar",
NamespaceScoped: true,
Object: &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}},
ExpectPath: "/namespaces/bar/foo",
ExpectObject: &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}},
Resp: &http.Response{
StatusCode: http.StatusOK,
Body: objBody(&unversioned.Status{Status: unversioned.StatusSuccess}),
},
Req: expectPut,
},
// namespace scoped resource
{
Namespace: "bar",
NamespaceScoped: true,
Object: &api.Pod{
ObjectMeta: api.ObjectMeta{Name: "foo"},
Spec: apitesting.DeepEqualSafePodSpec(),
},
ExpectPath: "/namespaces/bar/foo",
ExpectObject: &api.Pod{
ObjectMeta: api.ObjectMeta{Name: "foo", ResourceVersion: "10"},
Spec: apitesting.DeepEqualSafePodSpec(),
@ -424,11 +433,32 @@ func TestHelperReplace(t *testing.T) {
}),
Req: expectPut,
},
// cluster scoped resource
{
Object: &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo", ResourceVersion: "10"}},
ExpectObject: &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo", ResourceVersion: "10"}},
Resp: &http.Response{StatusCode: http.StatusOK, Body: objBody(&unversioned.Status{Status: unversioned.StatusSuccess})},
Req: expectPut,
Object: &api.Node{
ObjectMeta: api.ObjectMeta{Name: "foo"},
},
ExpectObject: &api.Node{
ObjectMeta: api.ObjectMeta{Name: "foo", ResourceVersion: "10"},
},
Overwrite: true,
ExpectPath: "/foo",
HTTPClient: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
if req.Method == "PUT" {
return &http.Response{StatusCode: http.StatusOK, Body: objBody(&unversioned.Status{Status: unversioned.StatusSuccess})}, nil
}
return &http.Response{StatusCode: http.StatusOK, Body: objBody(&api.Node{ObjectMeta: api.ObjectMeta{Name: "foo", ResourceVersion: "10"}})}, nil
}),
Req: expectPut,
},
{
Namespace: "bar",
NamespaceScoped: true,
Object: &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo", ResourceVersion: "10"}},
ExpectPath: "/namespaces/bar/foo",
ExpectObject: &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo", ResourceVersion: "10"}},
Resp: &http.Response{StatusCode: http.StatusOK, Body: objBody(&unversioned.Status{Status: unversioned.StatusSuccess})},
Req: expectPut,
},
}
for i, test := range tests {
@ -441,23 +471,22 @@ func TestHelperReplace(t *testing.T) {
modifier := &Helper{
RESTClient: client,
Versioner: testapi.Default.MetadataAccessor(),
NamespaceScoped: true,
NamespaceScoped: test.NamespaceScoped,
}
_, err := modifier.Replace("bar", "foo", test.Overwrite, test.Object)
_, err := modifier.Replace(test.Namespace, "foo", test.Overwrite, test.Object)
if (err != nil) != test.Err {
t.Errorf("%d: unexpected error: %t %v", i, test.Err, err)
}
if err != nil {
continue
}
if test.Req != nil && !test.Req(client.Req) {
if test.Req != nil && !test.Req(test.ExpectPath, client.Req) {
t.Errorf("%d: unexpected request: %#v", i, client.Req)
}
body, err := ioutil.ReadAll(client.Req.Body)
if err != nil {
t.Fatalf("%d: unexpected error: %#v", i, err)
}
t.Logf("got body: %s", string(body))
expect := []byte{}
if test.ExpectObject != nil {
expect = []byte(runtime.EncodeOrDie(testapi.Default.Codec(), test.ExpectObject))