PHP+shell脚本操作Memcached和Apache Status的实例分享

网络编程 2024/9/24 佚名

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memcached 进程启动及监控
1.memcached_inc.sh
设置路径，端口等讯息。

#!/bin/sh 
 
#config include 
 
HOST=$(hostname) 
SITE="mysite" 
PORT=11211 
 
MEMCACHED_PID_FILE="/tmp/memcached.pid" 
MEMCACHED_DAEMON_PID_FILE="/tmp/memcached_daemon.pid" 
 
MEMCACHED="memcached -d -m 64 -p $PORT -u memcache -l 127.0.0.1 -P $MEMCACHED_PID_FILE" 
MEMCACHED_DAEMON_FILE="memcached_daemon.sh" 
 
ERROR_LOG_FILE="${ROOT}/memcached_${SITE}_${HOST}_${PORT}.log"

2.gm_memcached.sh
控制memcached 启动，停止，重启。

#!/bin/sh 
 
#memcached start and stop 
#$1 action 
 
ROOT=$(cd "$(dirname "$0")"; pwd) 
 
. ${ROOT}/memcached_inc.sh 
 
 
start() { 
 
 if [ -f "$MEMCACHED_PID_FILE" ] && [ -s "$MEMCACHED_PID_FILE" ]; then 
  printf "memcached already running\n" 
 else 
  printf "starting memcached\n" 
  $MEMCACHED 
 
  sleep 2 
 
  PID=$(cat $MEMCACHED_PID_FILE) 
  printf "memcached is started PID:$PID\n" 
 
  printf "starting memcached daemon\n" 
  ${ROOT}/${MEMCACHED_DAEMON_FILE} & 
  DAEMON_PID=$! 
  echo ${DAEMON_PID} > ${MEMCACHED_DAEMON_PID_FILE} 
  printf "memcached daemon is started PID:${DAEMON_PID}\n" 
 fi 
 
} 
 
 
stop() { 
 
 if [ -f "$MEMCACHED_DAEMON_PID_FILE" ] && [ -s "$MEMCACHED_DAEMON_PID_FILE" ]; then 
  DAEMON_PID=$(cat $MEMCACHED_DAEMON_PID_FILE) 
  rm -f ${MEMCACHED_DAEMON_PID_FILE} 
  if [ ! -z ${DAEMON_PID} ]; then 
   kill -9 ${DAEMON_PID} 
  fi 
  printf "memcached daemon is stopped\n" 
 else 
  printf "no memcached daemon running\n" 
 fi 
 
 sleep 1 
 
 if [ -f "$MEMCACHED_PID_FILE" ] && [ -s "$MEMCACHED_PID_FILE" ]; then 
  PID=$(cat $MEMCACHED_PID_FILE) 
  rm -f ${MEMCACHED_PID_FILE} 
  if [ ! -z ${PID} ]; then 
   kill -9 ${PID} 
  fi 
  printf "memcached is stopped\n" 
 else 
  printf "no memcached running\n" 
 fi 
 
} 
 
 
case "$1" in 
 
 start) 
  start 
  ;; 
 
 stop) 
  stop 
  ;; 
 
 restart) 
  stop 
  sleep 3 
  start 
  ;; 
 
 *) 
  printf "Usage:$0 {start|stop|restart}\n" 
  exit 1 
 
esac 
 
exit 0

3.memcached_daemon.sh
监控memcached 进程，如进程失效则自动启动。

#!/bin/sh 
 
#memcached daemon 
 
ROOT=$(cd "$(dirname "$0")"; pwd) 
 
. ${ROOT}/memcached_inc.sh 
 
 
while : 
do 
 if [ -f "$MEMCACHED_PID_FILE" ] && [ -s "$MEMCACHED_PID_FILE" ]; then 
  PID=$(cat $MEMCACHED_PID_FILE) 
 else 
  PID="" 
 fi 
  
 if [ -z "$PID" ] || [ -z $(ps aux|awk '{print $2}' | grep "^$PID$") ]; then 
  $MEMCACHED 
  sleep 1 
  printf "[$(date +%Y-%m-%d' '%H:%M:%S)] ${SITE} ${HOST} memcached ${PORT} is restarted\n"  $ERROR_LOG_FILE 
  echo "Subject: ${SITE} ${HOST} memcached ${PORT} is restarted $(date +%Y-%m-%d' '%H:%M:%S)" | sendmail me@gmail.com 
 fi 
 
 sleep 5 
 
done 
 
exit 0

使用方法：

./gm_memcached.sh start #启动memcached 
./gm_memcached.sh stop #停止memcached 
./gm_memcached.sh restart #重启memcached

shell 记录apache status并自动更新到数据库
1. 获取apache status
monitor_log.sh

#!/bin/bash 
 
#连接数 
site_connects=$(netstat -ant | grep $ip:80 | wc -l) 
#当前连接数 
site_cur_connects=$(netstat -ant | grep $ip:80 | grep EST | wc -l) 
 
#apache 
apache_speed=$(netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}') 
 
printf "[#start#]\n$(date '+%Y-%m-%d %H:%M:%S')\n" 
printf "connects:${site_connects}\n" 
printf "cur connects:${site_cur_connects}\n" 
printf "apache_speed:\n${apache_speed}\n[#end#]\n\n" 
 
exit 0

在终端设置crontab执行

* * * * * /home/fdipzone/monitor_log.sh  /home/fdipzone/monitor.log

2. 将apache status log 写入数据库
save_monitor_log.php

<" ,".$key : $key; 
    $insertval .= $insertval" ,'".mysql_escape_string(trim($val))."'" : "'".mysql_escape_string(trim($val))."'"; 
   } 
   $sqlstr = "insert into ".$this->_dbconfig['tabname']."($insertkey) values($insertval)"; 
   $query = @mysql_query($sqlstr) or die(mysql_error()); 
   $id = mysql_insert_id(); 
   return $id"\r\n"); 
 } 
 
 
} // class end 
 
"htmlcode">

0 0 * * * php /home/fdipzone/save_monitor_log.php 



 

table monitor_log struct


CREATE TABLE IF NOT EXISTS `monitor_log` ( 
 `id` int(10) unsigned NOT NULL AUTO_INCREMENT, 
 `site` varchar(20) NOT NULL, 
 `connects` int(10) unsigned NOT NULL DEFAULT '0', 
 `cur_connects` int(10) unsigned NOT NULL DEFAULT '0', 
 `TIME_WAIT` int(10) unsigned NOT NULL DEFAULT '0', 
 `CLOSE_WAIT` int(10) unsigned NOT NULL DEFAULT '0', 
 `SYN_SENT` int(10) unsigned NOT NULL DEFAULT '0', 
 `SYN_RECV` int(10) unsigned NOT NULL DEFAULT '0', 
 `FIN_WAIT1` int(10) unsigned NOT NULL DEFAULT '0', 
 `FIN_WAIT2` int(10) unsigned NOT NULL DEFAULT '0', 
 `ESTABLISHED` int(10) unsigned NOT NULL DEFAULT '0', 
 `LAST_ACK` int(10) unsigned NOT NULL DEFAULT '0', 
 `CLOSING` int(10) unsigned NOT NULL DEFAULT '0', 
 `addtime` datetime NOT NULL, 
 PRIMARY KEY (`id`), 
 KEY `connects` (`connects`), 
 KEY `cur_connects` (`cur_connects`), 
 KEY `TIME_WAIT` (`TIME_WAIT`), 
 KEY `CLOSE_WAIT` (`CLOSE_WAIT`), 
 KEY `SYN_SENT` (`SYN_SENT`), 
 KEY `SYN_RECV` (`SYN_RECV`), 
 KEY `FIN_WAIT1` (`FIN_WAIT1`), 
 KEY `FIN_WAIT2` (`FIN_WAIT2`), 
 KEY `ESTABLISHED` (`ESTABLISHED`), 
 KEY `LAST_ACK` (`LAST_ACK`), 
 KEY `CLOSING` (`CLOSING`), 
 KEY `addtime` (`addtime`) 
) ENGINE=MyISAM DEFAULT CHARSET=latin1 ;

PHP,shell,Memcached,ApacheStatus,Apache

标签：

PHP,shell,Memcached,ApacheStatus,Apache

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评论“PHP+shell脚本操作Memcached和Apache Status的实例分享”

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