我的博客已遷移到xdoujiang.com請去那邊和我交流 一、具體代碼 #!/bin/bash #-------------------------------------------------- #Author:jimmygong #Email:[email protected] #FileName:checkslave.sh #Function: #Version:1.0 #Created:2016-01-01 #-------------------------------------------------- if [[ `id -u` -ne 0 ]] then echo "script need root" exit 1 fi function usage () { echo "Usage:bash $0 start" echo "Usage:bash $0 stop" } if [[ $# -ne 1 ]] then usage exit 1 fi #根據情況修改變量信息 mysqluser="root" mysqlpass="123456" mysqlport=3398 mysqlsocket="/opt/mysql/$mysqlport/$mysqlport.sock" currdate=$(date +%Y%m%d) logpath="/root/checkslave" logfile=$logpath/${currdate} #各個錯誤代碼解釋 1158網絡錯誤,出現讀錯誤,請檢查網絡連接狀況 1159網絡錯誤,讀超時,請檢查網絡連接狀況 1008數據庫不存在,刪除數據庫失敗 1007數據庫已存在,創建數據庫失敗 1062字段值重複,入庫失敗 1452不能刪除或更新父行,外鍵約束失敗 PS:1452這個根據情況跳過錯誤 allerror=(1158 1159 1008 1007 1062 1452) sleeptime=60 [[ -d $logpath ]] || mkdir $logpath function echosucc () { succstatus="[ Ok ]" printf "\033[32m $succstatus $* \033[0m\n" } function mysqlconn () { comm=$1 mysql -u${mysqluser} -p${mysqlpass} -S ${mysqlsocket} -e "$comm" } function checkrun () { esport=$(lsof -i:$mysqlport|wc -l) if [[ $esport -lt 2 ]] then echo "Mysql Server Failed" exit 1 fi } function statuserror () { for((i=0;i<${#allerror[*]};i++)) do if [[ "$1" == "${allerror[$i]}" ]] then mysqlconn "stop slave;set global sql_slave_skip_counter=1;start slave;" else echo "$(date +"%m-%d %H:%M:%S") Mysql Slave Failed $1" >> $logfile fi done } function checkslave () { status=($(mysqlconn "show slave status\G"|egrep -i "_running|last_errno"|awk '{print $NF}')) if [[ "${status[0]}" == "Yes" ]] && [[ "${status[1]}" == "Yes" ]] then echo "$(date +"%m-%d %H:%M:%S") Mysql Slave Ok" >> $logfile else statuserror ${status[2]} fi } function start () { echosucc "Starting Monitor" while true do checkrun checkslave sleep $sleeptime done } function stop () { echosucc "Stop Monitor" echo $$ > "$logpath/pidfile" for PID in $(ps -eo pid,command|grep "$0"|grep -v grep|awk '{print $1}'); do [[ $PID != $(cat $logpath/pidfile) ]] && kill -s TERM $PID >& /dev/null done } case $1 in start) start & ;; stop) stop ;; *) usage ;; esac 二、相關日誌都記錄在 cat checkslave/20160102 |more 01-02 21:19:10 Mysql Slave Failed 1452 01-02 21:19:10 Mysql Slave Failed 1452 01-02 21:19:10 Mysql Slave Failed 1452 01-02 21:19:10 Mysql Slave Failed 1452 01-02 21:19:10 Mysql Slave Failed 1452 01-02 21:34:58 Mysql Slave Ok 01-02 21:35:58 Mysql Slave Ok 01-02 21:36:59 Mysql Slave Ok 01-02 21:37:59 Mysql Slave Ok 三、相關進程 ps -ef |grep -w checkslave.sh root 12260 1 0 21:34 pts/2 00:00:00 bash checkslave.sh start 四、相關啓動和關閉 bash checkslave.sh start [ Ok ] Starting Monitor bash checkslave.sh stop [ Ok ] Stop Monitor
check mysql slave狀態並跳過相應錯誤(守護模式)
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