mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-05-24 05:21:58 +08:00
88 lines
2.2 KiB
Go
88 lines
2.2 KiB
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cloudcommon
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import (
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"context"
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"database/sql"
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"fmt"
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"net/http"
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"yunion.io/x/jsonutils"
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"yunion.io/x/log"
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"yunion.io/x/sqlchemy"
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"yunion.io/x/onecloud/pkg/appsrv"
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"yunion.io/x/onecloud/pkg/cloudcommon/consts"
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"yunion.io/x/onecloud/pkg/cloudcommon/db/lockman"
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common_options "yunion.io/x/onecloud/pkg/cloudcommon/options"
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)
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const (
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MIN_DB_CONN_MAX = 5
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)
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func InitDB(options *common_options.DBOptions) {
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if options.DebugSqlchemy {
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log.Warningf("debug Sqlchemy is turned on")
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sqlchemy.DEBUG_SQLCHEMY = true
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}
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consts.QueryOffsetOptimization = options.QueryOffsetOptimization
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dialect, sqlStr, err := options.GetDBConnection()
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if err != nil {
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log.Fatalf("Invalid SqlConnection string: %s", options.SqlConnection)
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}
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dbConn, err := sql.Open(dialect, sqlStr)
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if err != nil {
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panic(err)
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}
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sqlchemy.SetDB(dbConn)
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lm := lockman.NewInMemoryLockManager()
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// lm := lockman.NewNoopLockManager()
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lockman.Init(lm)
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}
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func CloseDB() {
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sqlchemy.CloseDB()
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}
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func AppDBInit(app *appsrv.Application) {
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dbConn := sqlchemy.GetDB()
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if dbConn != nil {
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connMax := appsrv.GetDBConnectionCount()
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if connMax < MIN_DB_CONN_MAX {
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connMax = MIN_DB_CONN_MAX
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}
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log.Infof("Total %d db workers, set db connection max", connMax)
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dbConn.SetMaxIdleConns(connMax)
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dbConn.SetMaxOpenConns(connMax*2 + 1)
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}
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app.AddDefaultHandler("GET", "/db_stats", DBStatsHandler, "db_stats")
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}
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func DBStatsHandler(ctx context.Context, w http.ResponseWriter, r *http.Request) {
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result := jsonutils.NewDict()
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dbConn := sqlchemy.GetDB()
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if dbConn != nil {
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stats := dbConn.Stats()
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result.Add(jsonutils.Marshal(&stats), "db_stats")
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}
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fmt.Fprintf(w, result.String())
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}
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