add support for /token subresource in serviceaccount registry

Kubernetes-commit: 8ad1c6655bde4ca8d61c3574980cffce5ee937a5

kubernetes/typed/core/v1/BUILD

@@ -32,9 +32,11 @@ go_library(
         "service.go",
         "service_expansion.go",
         "serviceaccount.go",
+        "serviceaccount_expansion.go",
     ],
     importpath = "k8s.io/client-go/kubernetes/typed/core/v1",
     deps = [
+        "//vendor/k8s.io/api/authentication/v1:go_default_library",
         "//vendor/k8s.io/api/core/v1:go_default_library",
         "//vendor/k8s.io/api/extensions/v1beta1:go_default_library",
         "//vendor/k8s.io/api/policy/v1beta1:go_default_library",

kubernetes/typed/core/v1/fake/BUILD

@@ -31,9 +31,11 @@ go_library(
         "fake_service.go",
         "fake_service_expansion.go",
         "fake_serviceaccount.go",
+        "fake_serviceaccount_expansion.go",
     ],
     importpath = "k8s.io/client-go/kubernetes/typed/core/v1/fake",
     deps = [
+        "//vendor/k8s.io/api/authentication/v1:go_default_library",
         "//vendor/k8s.io/api/core/v1:go_default_library",
         "//vendor/k8s.io/api/extensions/v1beta1:go_default_library",
         "//vendor/k8s.io/api/policy/v1beta1:go_default_library",

kubernetes/typed/core/v1/fake/fake_serviceaccount_expansion.go

@@ -0,0 +1,31 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+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 fake
+
+import (
+	authenticationv1 "k8s.io/api/authentication/v1"
+	core "k8s.io/client-go/testing"
+)
+
+func (c *FakeServiceAccounts) CreateToken(name string, tr *authenticationv1.TokenRequest) (*authenticationv1.TokenRequest, error) {
+	obj, err := c.Fake.Invokes(core.NewCreateSubresourceAction(serviceaccountsResource, name, "token", c.ns, tr), &authenticationv1.TokenRequest{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*authenticationv1.TokenRequest), err
+}

kubernetes/typed/core/v1/generated_expansion.go

@@ -35,5 +35,3 @@ type ReplicationControllerExpansion interface{}
 type ResourceQuotaExpansion interface{}
 
 type SecretExpansion interface{}
-
-type ServiceAccountExpansion interface{}

kubernetes/typed/core/v1/serviceaccount_expansion.go

@@ -0,0 +1,41 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+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 v1
+
+import (
+	authenticationv1 "k8s.io/api/authentication/v1"
+)
+
+// The ServiceAccountExpansion interface allows manually adding extra methods
+// to the ServiceAccountInterface.
+type ServiceAccountExpansion interface {
+	CreateToken(name string, tr *authenticationv1.TokenRequest) (*authenticationv1.TokenRequest, error)
+}
+
+// CreateToken creates a new token for a serviceaccount.
+func (c *serviceAccounts) CreateToken(name string, tr *authenticationv1.TokenRequest) (*authenticationv1.TokenRequest, error) {
+	result := &authenticationv1.TokenRequest{}
+	err := c.client.Post().
+		Namespace(c.ns).
+		Resource("serviceaccounts").
+		SubResource("token").
+		Name(name).
+		Body(tr).
+		Do().
+		Into(result)
+	return result, err
+}