Code for detecting mysql synchronization status (php/linux) _ PHP Tutorial-php Tutorial

Code for detecting mysql synchronization status (phplinux ). This article introduces two instances to introduce the mysql synchronization status detection implementation program. For more information, see. The code is as follows: Copy the code #! Binsh # checkMySQL_SlaveStatus # crontabti This article introduces two instances to introduce the mysql synchronization status detection implementation program. For more information, see.

The code is as follows:

#! /Bin/sh # Check MySQL_Slave Status # Crontab time MYSQL_USER = "root" MYSQL_PWD = "123456" MYSQL_SLAVE_LOG = "/tmp/check_mysql_slave.log" EMAIL = "1351010 **** @ 139.com" MYSQL_PORT = 'netstat-na | grep "LISTEN" | grep "3306" | awk-F [: ""] + '{print $5 }'' MYSQL_IP = 'ifconfig eth0 | grep "inet addr" | awk-F [: ""] + '{print $4 }'' MYSQL_SLAVE_STATUS = $ (/usr/local/webserver/mysql/bin/mysql-u root-psylc23hua-S/tmp/mysql. sock-e "Show slave statusG" | grep-I "running ") IO_ENV = 'echo $ MYSQL_SLAVE_STATUS | grep IO | awk '{print $2 }'' SQL _ENV = 'echo $ MYSQL_SLAVE_STATUS | grep SQL | awk '{print $2 }'' NOW = $ (date-d today + '% Y-% m-% d % H: % M: % S ') If ["$ MYSQL_PORT" = "3306"]; then Echo "mysql is running! " Else Mail-s "warn! Server: $ MYSQL_IP mysql is down "" $ EMAIL" Fi If ["$ IO_ENV" = "Yes"-a "$ SQL _ENV" = "Yes"]; then Echo "Slave is running! " Else Echo "[$ NOW] Slave is not running! ">" $ MYSQL_SLAVE_LOG" Cat "$ MYSQL_SLAVE_LOG" | mail-s "WARN! $ {MySQL_IP} _ replicate_error "" $ EMAIL" Fi Exit 0

Php instance code

The code is as follows:

Check_rep.php If (empty ($ _ REQUEST ["key"]) die (':) missing key '); If ($ _ REQUEST ["key"]! = 'Upeng') die (': error key '); Include ("mysql_instance.php "); Include ("check_status_api.php "); Define ("USERNAME", "USERNAME "); Define ("PASSWORD", "PASSWORD "); Define ("DEBUGMODE", false ); $ Instances = get_instances (); If ($ instances ){ Echo < END; Echo" N "; If (! DEBUGMODE ){ Echo" N "; } Else { Echo" N "; } Foreach ($ instances as $ host ){ $ Res = check_mysql_replication_status ($ host, USERNAME, PASSWORD ); If (! DEBUGMODE ){ Switch ($ res ["result"]) { Case-4: $ Memo = "unknown exception "; Break; Case-3: $ Memo = "query failed "; Break; Case-2: $ Memo = "unable to connect to port "; Break; Case-1: $ Memo = "unknown state "; Break; Case 0: $ Memo = "OK "; Break; Case 1: $ Memo = "synchronization failed "; If ($ res ["Slave_IO_Running"] <> "Yes "){ $ Memo. = $ res ["Last_IO_Error"]. "(". $ res ["Last_IO_Errno"]. ")"; } If ($ res ["Slave_ SQL _Running"] <> "Yes "){ $ Memo. = $ res ["Last_ SQL _Error"]. "(". $ res ["Last_ SQL _Errno"]. ")"; } Break; Case 2: $ Memo = "synchronization not set for database "; Break; } Echo" N "; } Else { Echo" N "; } } Echo" Instance Result Slave_IO_Running Slave_ SQL _Running Master_Host Master_Port Replicate_Do_DB Memo Instance Result Slave_IO_Running Slave_ SQL _Running Master_Host Master_Port Replicate_Do_DB Slave_IO_State Last_IO_Errno Last_IO_Error Last_ SQL _Errno Last_ SQL _Error {$ Host} {$ Res ['result']} {$ Res ['slave _ IO_Running ']} {$ Res ['slave _ SQL _Running ']} {$ Res ['master _ host']} {$ Res ['master _ port']} {$ Res ['replicate _ Do_DB ']} {$ Memo} {$ Host} {$ Res ['result']} {$ Res ['slave _ IO_Running ']} {$ Res ['slave _ SQL _Running ']} {$ Res ['master _ host']} {$ Res ['master _ port']} {$ Res ['replicate _ Do_DB ']} {$ Res ['slave _ IO_State ']} {$ Res ['last _ io_errno']} {$ Res ['last _ IO_Error ']} {$ Res ['last _ SQL _errno']} {$ Res ['last _ SQL _Error ']} N "; Echo < END; } Else { Die ("no mysql instances defined ."); } Check_status_api.php /* * Check the synchronization status of the mysql server. */ Function check_mysql_replication_status ($ host, $ username, $ password) { // The default status is unknown. $ R = array ( "Result" =>-1 ); Try { $ Dbh = @ mysql_connect ($ host, $ username, $ password ); If (! $ Dbh ){ // Unable to connect $ R ["result"] =-2; Return ($ r ); } $ Query = "show slave status "; $ Res = @ mysql_query ($ query, $ dbh ); $ Err = @ mysql_error (); If ($ err ){ // Unable to connect $ R ["result"] =-3; Return ($ r ); } $ Row = mysql_fetch_array ($ res ); $ R = $ row; If ($ r ["Slave_IO_Running"] = "Yes") & ($ r ["Slave_ SQL _Running"] = "Yes ")) { $ R ["result"] = 0; } Else { If (! Empty ($ row )){ $ R ["result"] = 1; } Else { $ R ["result"] = 2; } } } Catch (Exception $ e ){ $ R ["result"] =-4; } Return ($ r ); } Mysql_instance.php

Place the above three php files in a virtual directory and access them through URLs.
Access Method: http: // ip/check_repl.php? Key = xupeng

Bytes. The code is as follows #! /Bin/sh # check MySQL_Slave Status # crontab ti...