Merge pull request #59495 from ericchiang/client-auth-exec

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>.

 client-go: add an exec-based client auth provider

Updates https://github.com/kubernetes/features/issues/541
Implements https://github.com/kubernetes/community/pull/1503
Closes https://github.com/kubernetes/kubernetes/issues/57164

```release-note
client-go: alpha support for exec-based credential providers
```

/sig auth
/kind feature

Kubernetes-commit: cb9d6b51556a1677f262e35e4aded0051c424818

vendor/k8s.io/client-go/pkg/apis/clientauthentication/zz_generated.deepcopy.go

@@ -0,0 +1,137 @@
+// +build !ignore_autogenerated
+
+/*
+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.
+*/
+
+// Code generated by deepcopy-gen. DO NOT EDIT.
+
+package clientauthentication
+
+import (
+	runtime "k8s.io/apimachinery/pkg/runtime"
+)
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ExecCredential) DeepCopyInto(out *ExecCredential) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.Spec.DeepCopyInto(&out.Spec)
+	if in.Status != nil {
+		in, out := &in.Status, &out.Status
+		if *in == nil {
+			*out = nil
+		} else {
+			*out = new(ExecCredentialStatus)
+			(*in).DeepCopyInto(*out)
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ExecCredential.
+func (in *ExecCredential) DeepCopy() *ExecCredential {
+	if in == nil {
+		return nil
+	}
+	out := new(ExecCredential)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *ExecCredential) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ExecCredentialSpec) DeepCopyInto(out *ExecCredentialSpec) {
+	*out = *in
+	if in.Response != nil {
+		in, out := &in.Response, &out.Response
+		if *in == nil {
+			*out = nil
+		} else {
+			*out = new(Response)
+			(*in).DeepCopyInto(*out)
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ExecCredentialSpec.
+func (in *ExecCredentialSpec) DeepCopy() *ExecCredentialSpec {
+	if in == nil {
+		return nil
+	}
+	out := new(ExecCredentialSpec)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ExecCredentialStatus) DeepCopyInto(out *ExecCredentialStatus) {
+	*out = *in
+	if in.ExpirationTimestamp != nil {
+		in, out := &in.ExpirationTimestamp, &out.ExpirationTimestamp
+		if *in == nil {
+			*out = nil
+		} else {
+			*out = (*in).DeepCopy()
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ExecCredentialStatus.
+func (in *ExecCredentialStatus) DeepCopy() *ExecCredentialStatus {
+	if in == nil {
+		return nil
+	}
+	out := new(ExecCredentialStatus)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *Response) DeepCopyInto(out *Response) {
+	*out = *in
+	if in.Header != nil {
+		in, out := &in.Header, &out.Header
+		*out = make(map[string][]string, len(*in))
+		for key, val := range *in {
+			if val == nil {
+				(*out)[key] = nil
+			} else {
+				(*out)[key] = make([]string, len(val))
+				copy((*out)[key], val)
+			}
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Response.
+func (in *Response) DeepCopy() *Response {
+	if in == nil {
+		return nil
+	}
+	out := new(Response)
+	in.DeepCopyInto(out)
+	return out
+}