apache的安装及监控script
#!/bin/bash
#this is apache manager script
#function: apache install
#function: apache monitoring
##variable
ID=`id|awk '{print $1}'|cut -c 5`
IP=`ifconfig eth0|grep 'inet\b'|awk '{print $2}'|awk -F: '{print $2}'`
LOG=/var/log/apache/apache.log
#test
if [ $ID -ne 0 ];then echo "need to root";fi
killall -s QUIT httpd
if [ -f /etc/init.d/httpd ];then rpm -e httpd-* --nodeps;fi
find / -name httpd --exec rm -rf {} \;
find / -name http --exec rm -rf {} \;
find / -name apache --exec rm -rf {} \;
#
yum clean all > /dev/null 2>&1
yum clean > /dev/null 2>&1
yum list |grep http > /dev/null 2>&1
if [ $? -ne 0 ];then echo "YUM ERROR";exit;fi
yum -y install pcre-* gcc-*
#
ping -c 2 192.168.0.3 > /dev/null 2>&1
if [ $? -ne 0 ];then echo "NETWORK ERROR";exit;fi
##function
apache () {
mkdir /tmp/web;cd /tmp/web
mkdir /var/log/apache
wget http://192.168.0.3/abc/httpd-2.2.16.tar.bz2
tar jxf httpd-2.2.16.tar.bz2
cd httpd-2.2.16;./configure --prefix=/usr/local/httpd
if [ $? -eq 0 ];then
make
if [ $? -eq 0 ];then
make install
if [ $? -eq 0 ];then
echo "APAche INstall success"
else
echo "APAche INstall ERROR"
fi
else
echo "make ERROR";exit 10
fi
else
echo "APAche configure ERROR";exit 10
fi
}
###apache 安装模块
mon () {
cat <<EOF
elinks http://$IP -dump
if [ \$? -eq 0 ]
then
echo " apache running" >> $LOG
else
echo " apache stop" >> $LOG
echo " restart apache now" >> $LOG
/usr/local/httpd/bin/apachectl -k stop
/usr/local/httpd/bin/apachectl -k start
if [ \$? -eq 0 ]
then
echo "apache start success" >> $LOG
else
/usr/local/httpd/bin/apachectl -k stop
/usr/local/httpd/bin/apachectl -k start
if [ \$? -eq 0 ]
then
echo "apache start success" >> $LOG
else
echo"\$HOSTNAME apache fail"|mail root@localhost
fi
fi
fi
EOF
} ####//////监控模块
cron () {
cat << EOF
*/1 * * * * /tmp/apache_mon.sh
EOF
} ####制定任务定制模块
unmon () {
crontab -l > /tmp/crontab
sed -i '/apache_mon.sh/d' /tmp/crontab
crontab -u root /tmp/crontab
rm -f /tmp/crontab
}
#####取消任务定制模块
server () {
cat << EOF
#!/bin/bash
sta () {
/usr/local/httpd/bin/apachectl -k start
}
sto () {
killall -s QUIT httpd
}
statu () {
elinks http://localhost -dump > /dev/null
if [ \$? -eq 0 ]
then
echo httpd running
else
echo httpd stop
fi
}
res () {
killall -s QUIT httpd
sleep 3
/usr/local/httpd/bin/apachectl -k start
}
##main
case \$1 in
start) sta;;
stop) sto;;
restart) res;;
status) statu;;
*) echo "USAGE: service apache start|stop|restart|status"
esac
EOF
}
///添加脚本到/etc/init.d 中实现service apache start模块；
####main
case $1 in
install) apache;;
mon)
mon > /tmp/apache_mon.sh;chmod 700 /tmp/apache_mon.sh
cron > /tmp/cron
crontab -u root /tmp/cron;rm -f /tmp/cron
;;
unmon) unmon;;
server) server > /etc/init.d/apache;chmod 755 /etc/init.d/apache;;
*)
echo "USAGE ./apache_manager.sh install|mon|unmon|server"
esac
//主模块