Add glide.yaml and vendor deps

vendor/k8s.io/kubernetes/pkg/genericapiserver/options/authorization.go

@@ -0,0 +1,167 @@
+/*
+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 options
+
+import (
+	"strings"
+	"time"
+
+	"github.com/spf13/pflag"
+
+	authorizationclient "k8s.io/kubernetes/pkg/client/clientset_generated/release_1_5/typed/authorization/v1beta1"
+	"k8s.io/kubernetes/pkg/client/unversioned/clientcmd"
+	"k8s.io/kubernetes/pkg/controller/informers"
+	"k8s.io/kubernetes/pkg/genericapiserver/authorizer"
+)
+
+var AuthorizationModeChoices = []string{authorizer.ModeAlwaysAllow, authorizer.ModeAlwaysDeny, authorizer.ModeABAC, authorizer.ModeWebhook, authorizer.ModeRBAC}
+
+type BuiltInAuthorizationOptions struct {
+	Mode                        string
+	PolicyFile                  string
+	WebhookConfigFile           string
+	WebhookCacheAuthorizedTTL   time.Duration
+	WebhookCacheUnauthorizedTTL time.Duration
+	RBACSuperUser               string
+}
+
+func NewBuiltInAuthorizationOptions() *BuiltInAuthorizationOptions {
+	return &BuiltInAuthorizationOptions{
+		Mode: authorizer.ModeAlwaysAllow,
+		WebhookCacheAuthorizedTTL:   5 * time.Minute,
+		WebhookCacheUnauthorizedTTL: 30 * time.Second,
+	}
+}
+
+func (s *BuiltInAuthorizationOptions) Validate() []error {
+	allErrors := []error{}
+	return allErrors
+}
+
+func (s *BuiltInAuthorizationOptions) AddFlags(fs *pflag.FlagSet) {
+	fs.StringVar(&s.Mode, "authorization-mode", s.Mode, ""+
+		"Ordered list of plug-ins to do authorization on secure port. Comma-delimited list of: "+
+		strings.Join(AuthorizationModeChoices, ",")+".")
+
+	fs.StringVar(&s.PolicyFile, "authorization-policy-file", s.PolicyFile, ""+
+		"File with authorization policy in csv format, used with --authorization-mode=ABAC, on the secure port.")
+
+	fs.StringVar(&s.WebhookConfigFile, "authorization-webhook-config-file", s.WebhookConfigFile, ""+
+		"File with webhook configuration in kubeconfig format, used with --authorization-mode=Webhook. "+
+		"The API server will query the remote service to determine access on the API server's secure port.")
+
+	fs.DurationVar(&s.WebhookCacheAuthorizedTTL, "authorization-webhook-cache-authorized-ttl",
+		s.WebhookCacheAuthorizedTTL,
+		"The duration to cache 'authorized' responses from the webhook authorizer. Default is 5m.")
+
+	fs.DurationVar(&s.WebhookCacheUnauthorizedTTL,
+		"authorization-webhook-cache-unauthorized-ttl", s.WebhookCacheUnauthorizedTTL,
+		"The duration to cache 'unauthorized' responses from the webhook authorizer. Default is 30s.")
+
+	fs.StringVar(&s.RBACSuperUser, "authorization-rbac-super-user", s.RBACSuperUser, ""+
+		"If specified, a username which avoids RBAC authorization checks and role binding "+
+		"privilege escalation checks, to be used with --authorization-mode=RBAC.")
+
+}
+
+func (s *BuiltInAuthorizationOptions) ToAuthorizationConfig(informerFactory informers.SharedInformerFactory) authorizer.AuthorizationConfig {
+	modes := []string{}
+	if len(s.Mode) > 0 {
+		modes = strings.Split(s.Mode, ",")
+	}
+
+	return authorizer.AuthorizationConfig{
+		AuthorizationModes:          modes,
+		PolicyFile:                  s.PolicyFile,
+		WebhookConfigFile:           s.WebhookConfigFile,
+		WebhookCacheAuthorizedTTL:   s.WebhookCacheAuthorizedTTL,
+		WebhookCacheUnauthorizedTTL: s.WebhookCacheUnauthorizedTTL,
+		RBACSuperUser:               s.RBACSuperUser,
+		InformerFactory:             informerFactory,
+	}
+}
+
+// DelegatingAuthorizationOptions provides an easy way for composing API servers to delegate their authorization to
+// the root kube API server
+type DelegatingAuthorizationOptions struct {
+	// RemoteKubeConfigFile is the file to use to connect to a "normal" kube API server which hosts the
+	// SubjectAccessReview.authorization.k8s.io endpoint for checking tokens.
+	RemoteKubeConfigFile string
+
+	// AllowCacheTTL is the length of time that a successful authorization response will be cached
+	AllowCacheTTL time.Duration
+
+	// DenyCacheTTL is the length of time that an unsuccessful authorization response will be cached.
+	// You generally want more responsive, "deny, try again" flows.
+	DenyCacheTTL time.Duration
+}
+
+func NewDelegatingAuthorizationOptions() *DelegatingAuthorizationOptions {
+	return &DelegatingAuthorizationOptions{
+		AllowCacheTTL: 5 * time.Minute,
+		DenyCacheTTL:  30 * time.Second,
+	}
+}
+
+func (s *DelegatingAuthorizationOptions) Validate() []error {
+	allErrors := []error{}
+	return allErrors
+}
+
+func (s *DelegatingAuthorizationOptions) AddFlags(fs *pflag.FlagSet) {
+	fs.StringVar(&s.RemoteKubeConfigFile, "authorization-kubeconfig", s.RemoteKubeConfigFile, ""+
+		"kubeconfig file pointing at the 'core' kubernetes server with enough rights to create "+
+		" subjectaccessreviews.authorization.k8s.io.")
+}
+
+func (s *DelegatingAuthorizationOptions) ToAuthorizationConfig() (authorizer.DelegatingAuthorizerConfig, error) {
+	sarClient, err := s.newSubjectAccessReview()
+	if err != nil {
+		return authorizer.DelegatingAuthorizerConfig{}, err
+	}
+
+	ret := authorizer.DelegatingAuthorizerConfig{
+		SubjectAccessReviewClient: sarClient,
+		AllowCacheTTL:             s.AllowCacheTTL,
+		DenyCacheTTL:              s.DenyCacheTTL,
+	}
+	return ret, nil
+}
+
+func (s *DelegatingAuthorizationOptions) newSubjectAccessReview() (authorizationclient.SubjectAccessReviewInterface, error) {
+	if len(s.RemoteKubeConfigFile) == 0 {
+		return nil, nil
+	}
+
+	loadingRules := &clientcmd.ClientConfigLoadingRules{ExplicitPath: s.RemoteKubeConfigFile}
+	loader := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, &clientcmd.ConfigOverrides{})
+
+	clientConfig, err := loader.ClientConfig()
+	if err != nil {
+		return nil, err
+	}
+	// set high qps/burst limits since this will effectively limit API server responsiveness
+	clientConfig.QPS = 200
+	clientConfig.Burst = 400
+
+	client, err := authorizationclient.NewForConfig(clientConfig)
+	if err != nil {
+		return nil, err
+	}
+
+	return client.SubjectAccessReviews(), nil
+}