mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-05-08 22:49:22 +08:00
89 lines
2.3 KiB
Go
89 lines
2.3 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 db
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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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"strings"
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"yunion.io/x/jsonutils"
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"yunion.io/x/log"
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"yunion.io/x/pkg/appctx"
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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/mcclient"
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"yunion.io/x/onecloud/pkg/util/splitable"
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)
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const (
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MIN_DB_CONN_MAX = 5
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ClickhouseDB = sqlchemy.DBName("clickhouse_db")
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)
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func AppDBInit(app *appsrv.Application) {
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dbConn := sqlchemy.GetDefaultDB()
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if dbConn != nil {
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setDbConnection(dbConn.DB())
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}
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dbConn = sqlchemy.GetDBWithName(ClickhouseDB)
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if dbConn != nil {
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setDbConnection(dbConn.DB())
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}
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app.AddDefaultHandler("GET", "/db_stats", DBStatsHandler, "db_stats")
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app.AddDefaultHandler("GET", "/db_stats/<db>", DBStatsHandler, "db_stats_with_name")
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}
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func setDbConnection(dbConn *sql.DB) {
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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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}
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func DBStatsHandler(ctx context.Context, w http.ResponseWriter, r *http.Request) {
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var dbname sqlchemy.DBName
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params := appctx.AppContextParams(ctx)
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if dbn, ok := params["<db>"]; ok && strings.HasPrefix(dbn, "click") {
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dbname = ClickhouseDB
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} else {
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dbname = sqlchemy.DefaultDB
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}
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result := jsonutils.NewDict()
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dbConn := sqlchemy.GetDBWithName(dbname)
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if dbConn != nil {
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stats := dbConn.DB().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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func AutoPurgeSplitable(ctx context.Context, userCred mcclient.TokenCredential, startRun bool) {
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err := splitable.PurgeAll()
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if err != nil {
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log.Errorf("AutoPurgeSplitable fail %s", err)
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}
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}
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