/
mongo.go
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/
mongo.go
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// Copyright 2019 The OpenSDS 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 mongo
import (
"context"
"errors"
log "github.com/sirupsen/logrus"
"github.com/globalsign/mgo"
"github.com/globalsign/mgo/bson"
"github.com/micro/go-micro/metadata"
"github.com/opensds/multi-cloud/api/pkg/common"
)
var adap = &adapter{}
var DataBaseName = "metadatastore"
var BucketMD = "metadatabucket"
func Init(host string) *adapter {
//fmt.Println("edps:", deps)
session, err := mgo.Dial(host)
if err != nil {
panic(err)
}
//defer session.Close()
session.SetMode(mgo.Monotonic, true)
adap.s = session
adap.userID = "unknown"
return adap
}
func Exit() {
adap.s.Close()
}
type adapter struct {
s *mgo.Session
userID string
}
func UpdateContextFilter(ctx context.Context, m bson.M) error {
// if context is admin, no need filter by tenantId.
md, ok := metadata.FromContext(ctx)
if !ok {
log.Error("get context failed")
return errors.New("get context failed")
}
isAdmin, _ := md[common.CTX_KEY_IS_ADMIN]
if isAdmin != common.CTX_VAL_TRUE {
tenantId, ok := md[common.CTX_KEY_TENANT_ID]
if !ok {
log.Error("get tenantid failed")
return errors.New("get tenantid failed")
}
m["tenantid"] = tenantId
}
return nil
}