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hook_adapter.go
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hook_adapter.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2019 Tencent. All Rights Reserved.
*
* 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
*
* https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package local
import (
"time"
versionedclientset "tkestack.io/tke/api/client/clientset/versioned"
versionedinformers "tkestack.io/tke/api/client/informers/externalversions"
authv1informer "tkestack.io/tke/api/client/informers/externalversions/auth/v1"
"tkestack.io/tke/pkg/auth/util"
"tkestack.io/tke/pkg/util/log"
"github.com/casbin/casbin/v2"
genericapiserver "k8s.io/apiserver/pkg/server"
"k8s.io/client-go/tools/cache"
)
type adapterHookHandler struct {
authClient versionedclientset.Interface
enforcer *casbin.SyncedEnforcer
ruleInformer authv1informer.RuleInformer
reloadInterval time.Duration
}
// NewAdapterHookHandler creates a new adapterHookHandler object.
func NewAdapterHookHandler(authClient versionedclientset.Interface, enforcer *casbin.SyncedEnforcer, versionedInformers versionedinformers.SharedInformerFactory, reloadInterval time.Duration) genericapiserver.PostStartHookProvider {
return &adapterHookHandler{
authClient: authClient,
enforcer: enforcer,
reloadInterval: reloadInterval,
ruleInformer: versionedInformers.Auth().V1().Rules(),
}
}
func (d *adapterHookHandler) PostStartHook() (string, genericapiserver.PostStartHookFunc, error) {
return "create-casbin-adapter", func(context genericapiserver.PostStartHookContext) error {
log.Info("start create casbin server")
go d.ruleInformer.Informer().Run(context.StopCh)
if ok := cache.WaitForCacheSync(context.StopCh, d.ruleInformer.Informer().HasSynced); !ok {
log.Error("Failed to wait for project caches to sync")
}
adpt := util.NewAdapter(d.authClient.AuthV1().Rules(), d.ruleInformer.Lister())
d.enforcer.SetAdapter(adpt)
rm := util.NewRoleManager(10)
d.enforcer.SetRoleManager(rm)
_ = d.enforcer.LoadPolicy()
d.enforcer.StartAutoLoadPolicy(d.reloadInterval)
log.Info("finish start create casbin server")
return nil
}, nil
}