| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 etcd |
| |
| import ( |
| "context" |
| "encoding/json" |
| "fmt" |
| |
| "github.com/apache/servicecomb-service-center/datasource/etcd/path" |
| "github.com/apache/servicecomb-service-center/datasource/rbac" |
| "github.com/apache/servicecomb-service-center/pkg/log" |
| "github.com/little-cui/etcdadpt" |
| ) |
| |
| func (al *RbacDAO) UpsertLock(ctx context.Context, lock *rbac.Lock) error { |
| value, err := json.Marshal(lock) |
| if err != nil { |
| log.Error("account lock is invalid", err) |
| return err |
| } |
| key := lock.Key |
| etcdKey := path.GenerateAccountLockKey(key) |
| err = etcdadpt.PutBytes(ctx, etcdKey, value) |
| if err != nil { |
| log.Error("can not save account lock", err) |
| return err |
| } |
| log.Info(fmt.Sprintf("%s is locked, release at %d", key, lock.ReleaseAt)) |
| return nil |
| } |
| |
| func (al *RbacDAO) GetLock(ctx context.Context, key string) (*rbac.Lock, error) { |
| kv, err := etcdadpt.Get(ctx, path.GenerateAccountLockKey(key)) |
| if err != nil { |
| return nil, err |
| } |
| if kv == nil { |
| return nil, rbac.ErrAccountLockNotExist |
| } |
| lock := &rbac.Lock{} |
| err = json.Unmarshal(kv.Value, lock) |
| if err != nil { |
| log.Error(fmt.Sprintf("key %s format invalid", key), err) |
| return nil, err |
| } |
| return lock, nil |
| } |
| |
| func (al *RbacDAO) ListLock(ctx context.Context) ([]*rbac.Lock, int64, error) { |
| kvs, n, err := etcdadpt.List(ctx, path.GenerateAccountLockKey("")) |
| if err != nil { |
| return nil, 0, err |
| } |
| locks := make([]*rbac.Lock, 0, n) |
| for _, v := range kvs { |
| lock := &rbac.Lock{} |
| err = json.Unmarshal(v.Value, lock) |
| if err != nil { |
| log.Error("account lock info format invalid:", err) |
| continue //do not fail if some account is invalid |
| } |
| locks = append(locks, lock) |
| } |
| return locks, n, nil |
| } |
| |
| func (al *RbacDAO) DeleteLock(ctx context.Context, key string) error { |
| _, err := etcdadpt.Delete(ctx, path.GenerateAccountLockKey(key)) |
| if err != nil { |
| log.Error(fmt.Sprintf("remove lock %s failed", key), err) |
| return rbac.ErrCannotReleaseLock |
| } |
| log.Info(fmt.Sprintf("%s is released", key)) |
| return nil |
| } |
| |
| func (al *RbacDAO) DeleteLockList(ctx context.Context, keys []string) error { |
| var opts []etcdadpt.OpOptions |
| for _, key := range keys { |
| opts = append(opts, etcdadpt.OpDel(etcdadpt.WithStrKey(path.GenerateAccountLockKey(key)))) |
| } |
| if len(opts) == 0 { |
| return nil |
| } |
| err := etcdadpt.Txn(ctx, opts) |
| if err != nil { |
| log.Error(fmt.Sprintf("remove locks %v failed", keys), err) |
| return rbac.ErrCannotReleaseLock |
| } |
| log.Info(fmt.Sprintf("%v are released", keys)) |
| return nil |
| } |