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mysql.go
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mysql.go
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/*
Copyright 2018 The KubeSphere 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 mysql
import (
"fmt"
"github.com/gocraft/dbr"
"k8s.io/klog"
)
type Client struct {
database *Database
}
func NewMySQLClient(options *Options, stopCh <-chan struct{}) (*Client, error) {
var m Client
conn, err := dbr.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s)/devops?parseTime=1&multiStatements=1&charset=utf8mb4&collation=utf8mb4_unicode_ci", options.Username, options.Password, options.Host), nil)
if err != nil {
klog.Error("unable to connect to mysql", err)
return nil, err
}
conn.SetMaxIdleConns(options.MaxIdleConnections)
conn.SetConnMaxLifetime(options.MaxConnectionLifeTime)
conn.SetMaxOpenConns(options.MaxOpenConnections)
m.database = &Database{
Session: conn.NewSession(nil),
}
go func() {
<-stopCh
if err := conn.Close(); err != nil {
klog.Warning("error happened during closing mysql connection", err)
}
}()
return &m, nil
}
func NewMySQLClientOrDie(options *Options, stopCh <-chan struct{}) *Client {
var m Client
conn, err := dbr.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s)/devops?parseTime=1&multiStatements=1&charset=utf8mb4&collation=utf8mb4_unicode_ci", options.Username, options.Password, options.Host), nil)
if err != nil {
klog.Error("unable to connect to mysql", err)
panic(err)
}
conn.SetMaxIdleConns(options.MaxIdleConnections)
conn.SetConnMaxLifetime(options.MaxConnectionLifeTime)
conn.SetMaxOpenConns(options.MaxOpenConnections)
m.database = &Database{
Session: conn.NewSession(nil),
}
go func() {
<-stopCh
if err := conn.Close(); err != nil {
klog.Warning("error happened during closing mysql connection", err)
}
}()
return &m
}
func (m *Client) Database() *Database {
return m.database
}