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logindex.go
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logindex.go
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/*
* Tencent is pleased to support the open source community by making Blueking Container Service available.
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* Licensed under the MIT License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
* http://opensource.org/licenses/MIT
* 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 logindex log index
package logindex
import (
"context"
"errors"
"sync"
"github.com/Tencent/bk-bcs/bcs-common/pkg/odm/drivers"
"github.com/Tencent/bk-bcs/bcs-common/pkg/odm/operator"
"go.mongodb.org/mongo-driver/bson"
"github.com/Tencent/bk-bcs/bcs-services/bcs-monitor/pkg/storage/entity"
"github.com/Tencent/bk-bcs/bcs-services/bcs-monitor/pkg/utils"
)
const (
tableName = "logindex"
)
var (
tableIndexes = []drivers.Index{
{
Name: tableName + "_idx",
Key: bson.D{
bson.E{Key: entity.FieldKeyProjectID, Value: 1},
},
Unique: true,
},
}
)
// ModelLogIndex provides handling log index operations to database
type ModelLogIndex struct {
tableName string
indexes []drivers.Index
db drivers.DB
isTableEnsured bool
isTableEnsuredMutex sync.Mutex
}
// New return a new ModelLogIndex instance
func New(db drivers.DB) *ModelLogIndex {
return &ModelLogIndex{
tableName: utils.DataTableNamePrefix + tableName,
indexes: tableIndexes,
db: db,
}
}
func (m *ModelLogIndex) ensureTable(ctx context.Context) error {
if m.isTableEnsured {
return nil
}
m.isTableEnsuredMutex.Lock()
defer m.isTableEnsuredMutex.Unlock()
if m.isTableEnsured {
return nil
}
if err := utils.EnsureTable(ctx, m.db, m.tableName, m.indexes); err != nil {
return err
}
m.isTableEnsured = true
return nil
}
// CreateOldIndexSetID create index set id
func (m *ModelLogIndex) CreateOldIndexSetID(ctx context.Context, logIndex *entity.LogIndex) error {
if err := m.ensureTable(ctx); err != nil {
return err
}
if _, err := m.db.Table(m.tableName).Insert(ctx, []interface{}{logIndex}); err != nil {
return err
}
return nil
}
// GetOldIndexSetID get index set id
func (m *ModelLogIndex) GetOldIndexSetID(ctx context.Context, projectID string) (*entity.LogIndex, error) {
if err := m.ensureTable(ctx); err != nil {
return nil, err
}
cond := operator.NewLeafCondition(operator.Eq, operator.M{
entity.FieldKeyProjectID: projectID,
})
l := &entity.LogIndex{}
if err := m.db.Table(m.tableName).Find(cond).One(ctx, &l); err != nil {
if errors.Is(err, drivers.ErrTableRecordNotFound) {
return nil, nil
}
return nil, err
}
return l, nil
}