Replace godep with dep

vendor/k8s.io/kubernetes/pkg/kubeapiserver/admission/initializer.go

@@ -0,0 +1,207 @@
+/*
+Copyright 2016 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 admission
+
+import (
+	"net/http"
+	"net/url"
+
+	"k8s.io/apimachinery/pkg/api/meta"
+	"k8s.io/apiserver/pkg/admission"
+	"k8s.io/apiserver/pkg/authorization/authorizer"
+	clientset "k8s.io/client-go/kubernetes"
+	"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
+	informers "k8s.io/kubernetes/pkg/client/informers/informers_generated/internalversion"
+	"k8s.io/kubernetes/pkg/quota"
+)
+
+// TODO add a `WantsToRun` which takes a stopCh.  Might make it generic.
+
+// WantsInternalKubeClientSet defines a function which sets ClientSet for admission plugins that need it
+type WantsInternalKubeClientSet interface {
+	SetInternalKubeClientSet(internalclientset.Interface)
+	admission.Validator
+}
+
+// WantsExternalKubeClientSet defines a function which sets ClientSet for admission plugins that need it
+type WantsExternalKubeClientSet interface {
+	SetExternalKubeClientSet(clientset.Interface)
+	admission.Validator
+}
+
+// WantsInternalKubeInformerFactory defines a function which sets InformerFactory for admission plugins that need it
+type WantsInternalKubeInformerFactory interface {
+	SetInternalKubeInformerFactory(informers.SharedInformerFactory)
+	admission.Validator
+}
+
+// WantsAuthorizer defines a function which sets Authorizer for admission plugins that need it.
+type WantsAuthorizer interface {
+	SetAuthorizer(authorizer.Authorizer)
+	admission.Validator
+}
+
+// WantsCloudConfig defines a function which sets CloudConfig for admission plugins that need it.
+type WantsCloudConfig interface {
+	SetCloudConfig([]byte)
+}
+
+// WantsRESTMapper defines a function which sets RESTMapper for admission plugins that need it.
+type WantsRESTMapper interface {
+	SetRESTMapper(meta.RESTMapper)
+}
+
+// WantsQuotaRegistry defines a function which sets quota registry for admission plugins that need it.
+type WantsQuotaRegistry interface {
+	SetQuotaRegistry(quota.Registry)
+	admission.Validator
+}
+
+// WantsServiceResolver defines a fuction that accepts a ServiceResolver for
+// admission plugins that need to make calls to services.
+type WantsServiceResolver interface {
+	SetServiceResolver(ServiceResolver)
+}
+
+// WantsClientCert defines a fuction that accepts a cert & key for admission
+// plugins that need to make calls and prove their identity.
+type WantsClientCert interface {
+	SetClientCert(cert, key []byte)
+}
+
+// ServiceResolver knows how to convert a service reference into an actual
+// location.
+type ServiceResolver interface {
+	ResolveEndpoint(namespace, name string) (*url.URL, error)
+}
+
+// WantsProxyTransport defines a fuction that accepts a proxy transport for admission
+// plugins that need to make calls to pods.
+type WantsProxyTransport interface {
+	SetProxyTransport(proxyTransport *http.Transport)
+}
+
+type PluginInitializer struct {
+	internalClient  internalclientset.Interface
+	externalClient  clientset.Interface
+	informers       informers.SharedInformerFactory
+	authorizer      authorizer.Authorizer
+	cloudConfig     []byte
+	restMapper      meta.RESTMapper
+	quotaRegistry   quota.Registry
+	serviceResolver ServiceResolver
+
+	// for proving we are apiserver in call-outs
+	clientCert     []byte
+	clientKey      []byte
+	proxyTransport *http.Transport
+}
+
+var _ admission.PluginInitializer = &PluginInitializer{}
+
+// NewPluginInitializer constructs new instance of PluginInitializer
+// TODO: switch these parameters to use the builder pattern or just make them
+// all public, this construction method is pointless boilerplate.
+func NewPluginInitializer(
+	internalClient internalclientset.Interface,
+	externalClient clientset.Interface,
+	sharedInformers informers.SharedInformerFactory,
+	authz authorizer.Authorizer,
+	cloudConfig []byte,
+	restMapper meta.RESTMapper,
+	quotaRegistry quota.Registry,
+) *PluginInitializer {
+	return &PluginInitializer{
+		internalClient: internalClient,
+		externalClient: externalClient,
+		informers:      sharedInformers,
+		authorizer:     authz,
+		cloudConfig:    cloudConfig,
+		restMapper:     restMapper,
+		quotaRegistry:  quotaRegistry,
+	}
+}
+
+// SetServiceResolver sets the service resolver which is needed by some plugins.
+func (i *PluginInitializer) SetServiceResolver(s ServiceResolver) *PluginInitializer {
+	i.serviceResolver = s
+	return i
+}
+
+// SetClientCert sets the client cert & key (identity used for calling out to
+// web hooks) which is needed by some plugins.
+func (i *PluginInitializer) SetClientCert(cert, key []byte) *PluginInitializer {
+	i.clientCert = cert
+	i.clientKey = key
+	return i
+}
+
+// SetProxyTransport sets the proxyTransport which is needed by some plugins.
+func (i *PluginInitializer) SetProxyTransport(proxyTransport *http.Transport) *PluginInitializer {
+	i.proxyTransport = proxyTransport
+	return i
+}
+
+// Initialize checks the initialization interfaces implemented by each plugin
+// and provide the appropriate initialization data
+func (i *PluginInitializer) Initialize(plugin admission.Interface) {
+	if wants, ok := plugin.(WantsInternalKubeClientSet); ok {
+		wants.SetInternalKubeClientSet(i.internalClient)
+	}
+
+	if wants, ok := plugin.(WantsExternalKubeClientSet); ok {
+		wants.SetExternalKubeClientSet(i.externalClient)
+	}
+
+	if wants, ok := plugin.(WantsInternalKubeInformerFactory); ok {
+		wants.SetInternalKubeInformerFactory(i.informers)
+	}
+
+	if wants, ok := plugin.(WantsAuthorizer); ok {
+		wants.SetAuthorizer(i.authorizer)
+	}
+
+	if wants, ok := plugin.(WantsCloudConfig); ok {
+		wants.SetCloudConfig(i.cloudConfig)
+	}
+
+	if wants, ok := plugin.(WantsRESTMapper); ok {
+		wants.SetRESTMapper(i.restMapper)
+	}
+
+	if wants, ok := plugin.(WantsQuotaRegistry); ok {
+		wants.SetQuotaRegistry(i.quotaRegistry)
+	}
+
+	if wants, ok := plugin.(WantsServiceResolver); ok {
+		if i.serviceResolver == nil {
+			panic("An admission plugin wants the service resolver, but it was not provided.")
+		}
+		wants.SetServiceResolver(i.serviceResolver)
+	}
+
+	if wants, ok := plugin.(WantsClientCert); ok {
+		if i.clientCert == nil || i.clientKey == nil {
+			panic("An admission plugin wants a client cert/key, but they were not provided.")
+		}
+		wants.SetClientCert(i.clientCert, i.clientKey)
+	}
+
+	if wants, ok := plugin.(WantsProxyTransport); ok {
+		wants.SetProxyTransport(i.proxyTransport)
+	}
+}