94 lines
3.5 KiB
Go
94 lines
3.5 KiB
Go
|
/*
|
||
|
|
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"
|
||
|
|
|
||
|
|
"k8s.io/kubernetes/pkg/controller/informers"
|
||
|
|
"k8s.io/kubernetes/pkg/kubeapiserver/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
|
||
|
|
}
|
||
|
|
|
||
|
|
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.String("authorization-rbac-super-user", "", ""+
|
||
|
|
"If specified, a username which avoids RBAC authorization checks and role binding "+
|
||
|
|
"privilege escalation checks, to be used with --authorization-mode=RBAC.")
|
||
|
|
fs.MarkDeprecated("authorization-rbac-super-user", "Removed during alpha to beta. The 'system:masters' group has privileged access.")
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
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,
|
||
|
|
InformerFactory: informerFactory,
|
||
|
|
}
|
||
|
|
}
|