【脚本92】截取tomcat日志
写一个截取tomcat catalina.out日志的脚本。
tomcat实例t1-t4:
[root@server ~]# tree -L 1 /opt/TOM/
/opt/TOM/
├── crontabs
├── t1
├── t2
├── t3
└── t4
5 directories, 0 files
catalina.out日志路径:
[root@server ~]# find /opt/TOM/ -name catalina.out
/opt/TOM/t1/logs/catalina.out
/opt/TOM/t3/logs/catalina.out
/opt/TOM/t4/logs/catalina.out
/opt/TOM/t2/logs/catalina.out
- 要求:
这个脚本可以取tomcat实例t1-t4的日志
这个脚本可以自定义取日志的起始点,比如取今天早上10点之后到现在的数据
这个脚本可以自定义取日志的起始点和终点,比如取今天早上9点到晚上8点的数据
catalina.out 日志片段:
Mar 29, 2016 1:52:24 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler [“http-bio-8080”]
Mar 29, 2016 1:52:24 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler [“ajp-bio-8009”]
Mar 29, 2016 1:52:24 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 2102 ms
-参考代码:
#!/bin/bash
export LANG=en_US.UTF-8
export PATH=$PATH
IPADD=`/sbin/ifconfig | grep "inet addr" | head -1 | awk '{print $2}'| awk -F '.' '{print $NF}'`
LOGFILE="/opt/TOM/$1/logs/catalina.out"
YEAR=`date +%Y`
DATE=`date +%m%d_%H%M`
TOMCAT=$1
BEGIN_TIME=$YEAR$2
END_TIME=$YEAR$3
##judge is a.m.or p.m.
TIME_HOUR1=`echo ${BEGIN_TIME:9:2}`
cut_log() {
N_DATE1=`echo $1 | sed 's/_/ /g'`
D_DATE1=`echo $2 | sed 's/_/ /g'`
E_DATE1=`echo $3 | sed 's/_/ /g'`
[ $4 ] && N_DATE2=`echo $4 | sed 's/_/ /g'`
[ $5 ] && D_DATE2=`echo $5 | sed 's/_/ /g'`
[ $6 ] && E_DATE2=`echo $6 | sed 's/_/ /g'`
BEGIN=`grep -nE "${N_DATE1}|${D_DATE1}|${E_DATE1}" ${LOGFILE} | head -1 | cut -d : -f1`
[ "$N_DATE2" ] && END=`grep -nE "${N_DATE2}|${D_DATE2}|${E_DATE2}" ${LOGFILE} | tail -1 | cut -d : -f1`
[ ! -z "${TIME_HOUR1}" ] && if [ ${TIME_HOUR1} -gt 12 ] ; then
BEGIN1=`grep -nE "${N_DATE1}|${D_DATE1}|${E_DATE1}" ${LOGFILE} |grep " PM " |grep "${E_DATE1}" | head -1 | cut -d : -f1`
if [ ! -z "${BEGIN1}" ] ; then
[ "${BEGIN1}" -gt "${BEGIN}" ] ; BEGIN=${BEGIN1}
fi
fi
if [ "$BEGIN" ] && [ -z "$END" ] ; then
if [ "$N_DATE2" ]; then
echo "${END_TIME}时间点没有访问日志,请重新设置时间点."
else
sed -n "${BEGIN},[ DISCUZ_CODE_0 ]quot;p ${LOGFILE} > /home/gcweb/${IPADD}_${TOMCAT}_${DATE}.log
fi
elif [ "$END" ];then
[ "$BEGIN" ] || BEGIN=1
sed -n "${BEGIN},${END}"p ${LOGFILE} > /home/gcweb/${IPADD}_${TOMCAT}_${DATE}.log
else
[ "$END_TIME" != "$YEAR" ] && echo "该时段 ${BEGIN_TIME}~${END_TIME} 没有日志."
[ "$END_TIME" = "$YEAR" ] && echo "该时段 ${BEGIN_TIME}~now 没有日志."
fi
if [ -s /home/gcweb/${IPADD}_${TOMCAT}_${DATE}.log ]; then
cd /home/gcweb && tar -zcf ${IPADD}_${TOMCAT}_${DATE}.tar.gz ${IPADD}_${TOMCAT}_${DATE}.log
rm -f /home/gcweb/${IPADD}_${TOMCAT}_${DATE}.log
sz /home/gcweb/${IPADD}_${TOMCAT}_${DATE}.tar.gz
echo "Success to get logs."
rm -f /home/gcweb/${IPADD}_${TOMCAT}_${DATE}.tar.gz
fi
}
get_time() {
case "$1" in
4)
N_DATE=`date -d "$2" +"%Y-%m-%d" 2>/dev/null`
D_DATE=`date -d "$2" +"%Y/%m/%d" 2>/dev/null`
E_DATE=`date -d "$2" +"%h %e,_%Y" 2>/dev/null|sed 's/ /_/g'`
echo $N_DATE $D_DATE $E_DATE
;;
7)
TIME=`echo $2 | awk -F'_' '{print $1,$2}'`
N_DATE=`date -d "$TIME" +"%Y-%m-%d_%H" 2>/dev/null`
D_DATE=`date -d "$TIME" +"%Y/%m/%d_%H" 2>/dev/null`
E_DATE=`date -d "$TIME" +"%h %e,_%Y %l" 2>/dev/null|sed 's/ /_/g'`
echo "$N_DATE" "$D_DATE" "$E_DATE"
;;
9)
TIME=`echo $2 | awk -F'_' '{print $1,$2}'`
N_DATE=`date -d "$TIME" +"%Y-%m-%d_%H:%M" 2>/dev/null`
D_DATE=`date -d "$TIME" +"%Y/%m/%d_%H:%M" 2>/dev/null`
E_DATE=`date -d "$TIME" +"%h %e,_%Y %l:%M" 2>/dev/null|sed 's/ /_/g'`
echo "$N_DATE" "$D_DATE" "$E_DATE"
;;
*)
echo 1
;;
esac
}
check_arguments () {
if [ "$1" == 1 ] || [ -z "$1" ] ;then
echo "你输入时间参数的格式无法识别, usage: 0108、0108_10、0108_1020"
exit 3
fi
}
check_tomcat () {
if [ ! -s "${LOGFILE}" ] ;then
echo "tomcat_name: ${TOMCAT} is not exist"
echo "you can choose:"
/bin/ls /home/gcweb/usr/local/
fi
if [ $1 -lt 2 ] || [ ! -s "${LOGFILE}" ];then
echo "usage: $0 tomcat_name {begin_time|begin_time end_time}"
exit 2
fi
}
case "$#" in
0)
echo "usage: $0 tomcat_name {begin_time|begin_time end_time}"
exit 1
;;
1)
check_tomcat $#
;;
2)
check_tomcat $#
len=`echo $2 | awk '{print length($0)}'`
A_DATE=$(get_time $len $BEGIN_TIME)
eval $( echo $A_DATE |awk '{print "N_DATE="$1,"D_DATE="$2,"E_DATE="$3}')
check_arguments "${N_DATE}"
cut_log "${N_DATE}" "${D_DATE}" "${E_DATE}"
;;
3)
check_tomcat $#
len1=`echo $2 | awk '{print length($0)}'`
len2=`echo $3 | awk '{print length($0)}'`
A_DATE=$(get_time ${len1} $BEGIN_TIME)
eval $( echo $A_DATE |awk '{print "N_DATE1="$1,"D_DATE1="$2,"E_DATE1="$3}')
check_arguments "${N_DATE1}"
A_DATE=$(get_time ${len2} $END_TIME)
eval $( echo $A_DATE |awk '{print "N_DATE="$1,"D_DATE="$2,"E_DATE="$3}')
check_arguments "${N_DATE}"
cut_log ${N_DATE1} ${D_DATE1} ${E_DATE1} "${N_DATE}" "${D_DATE}" "${E_DATE}"
;;
*)
echo "usage: $0 tomcat_name {begin_time|begin_time end_time};你使用的参数太多哦."
;;
esac
【脚本93】数组
写一个脚本让用户输入多个城市的名字(可以是中文),要求不少于5个,然后把这些城市存到一个数组里,最后用for循环把它们打印出来。
- 参考代码:
#!/bin/bash
read -p "请输入至少5个城市的名字,用空格分隔:" city
n=`echo $city|awk '{print NF}'`
if [ $n -lt 5 ]
then
echo "输入的城市个数至少为5"
exit
fi
name=($city)
for i in ${name[@]}
do
echo $i
done
【脚本94】批量同步代码
- 需求背景是:
一个业务,有3台服务器(A,B,C)做负载均衡,由于规模太小目前并未使用专业的自动化运维工具。有新的需求时,开发同事改完代码会把变更上传到其中一台服务器A上。但是其他2台服务器也需要做相同变更。
写一个shell脚本,把A服务器上的变更代码同步到B和C上。
其中,你需要考虑到不需要同步的目录(假如有tmp、upload、logs、caches)
- 参考代码:
#!/bin/bash
echo "该脚本将会把A机器上的/data/wwwroot/www.aaa.com目录同步到B,C机器上";
read -p "是否要继续?(y|n) "
rs() {
rsync -azP \
--exclude logs \
--exclude upload \
--exclude caches \
--exclude tmp \
www.aaa.com/ $1:/data/wwwroot/www.aaa.com/
}
if [ $REPLY == 'y' -o $REPLY == 'Y' ]
then
echo "即将同步……"
sleep 2
cd /data/wwwroot/
rs B机器ip
rs C机器ip
echo "同步完成。"
elif [ $REPLY == 'n' -o $REPLY == 'N' ]
then
exit 1
else
echo "请输入字母y或者n"
fi
【脚本95】统计并发量
- 需求背景:
需要统计网站的并发量,并绘图。
- 思路:
借助zabbix成图
通过统计访问日志每秒的日志条数来判定并发量
zabbix获取数据间隔30s
- 说明:
只需要写出shell脚本即可,不用关心zabbix配置。
假设日志路径为:
/data/logs/www.aaa.com_access.log
日志格式如下:
112.107.15.12 - [07/Nov/2017:09:59:01 +0800] www.aaa.com "/api/live.php" 200"-" "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0)"
- 参考代码:
#!/bin/bash
log=/data/logs/www.aaa.com_access.log
t=`date -d "-1 second" +%Y:%H:%M:%S`
#可以大概分析一下每分钟日志的量级,比如说不超过3000
n=tail -3000 $log |grep -c "$t"
echo $n
【脚本96】关闭服务
在centos6系统里,我们可以使用ntsysv关闭不需要开机启动的服务,当然也可以使用chkconfig工具来实现。
写一个shell脚本,用chkconfig工具把不常用的服务关闭。脚本需要写成交互式的,需要我们给它提供关闭的服务名字。
- 参考代码:
#!/bin/bash
LANG=en
c="1"
while [ ! $c == "q" ]
do
echo -e "\033[35mPlease chose a service to close from this list: \033[0m"
chkconfig --list |awk '/3:on/ {print $1}'
read -p "Which service to close: " s
chkconfig $s off
service $s stop
read -p "If you want's to quit this program, tab "q", or tab "Ctrl c": " c
done
【脚本97】重启tomcat服务
在生产环境中,经常遇到tomcat无法彻底关闭,也就是说用tomcat自带shutdown.sh脚本无法将java进程完全关掉。所以,需要借助shell脚本,将进程杀死,然后再启动。
写一个shell脚本,实现上述功能。彻底杀死一个进程的命令是 kill -9 pid.
- 参考代码:
#!/bin/bash
###功能: 重启 tomcat 进程
###要求:对于tomcat中的某些应用,使用shutdown.sh是无法完全停掉所有服务的 实际操作中都需要kill掉tomcat再重启
##
### root can not run this script.
##
if [ $USER = root ]
then
echo "root cann't run this script!please run with other user!"
exit 1
fi
##
### check the Parameter
##
if [[ $# -ne 1 ]]
then
echo "Usage:$0 tomcatname"
exit 1
fi
##
### only one process can run one time
##
TMP_FILE_U=/tmp/.tmp.ps.keyword.$USER.956327.txt
#echo $TMP_FILE_U
KEYWORD1="$0"
KEYWORD2="$1"
# 使用赋值会多fork出一个进程,所以要先重定向到一个文本,再统计.
ps ux |grep "$KEYWORD1"|grep "\<$KEYWORD2\>"|grep -v "grep" > $TMP_FILE_U
Pro_count=`cat $TMP_FILE_U |wc -l`
if [ $Pro_count -gt 1 ]
then
echo "An other process already running ,exit now!"
exit 1
fi
###################################################
# #
# begin of the script #
# #
###################################################
##
### set the Parameter
##
TOM=`echo $1|sed 's#/##g'`
TOMCAT_DIRECTORY=~/usr/local/$TOM
STARTUP_SCRIPT=$TOMCAT_DIRECTORY/bin/startup.sh
TOMCAT_LOG=$TOMCAT_DIRECTORY/logs/catalina.out
CONF_FILE=$TOMCAT_DIRECTORY/conf/server.xml
TEMPFILE=/tmp/.tmpfile.x.89342.c4r3.tmp
##
### check if the tomcat directory exist
##
if [ ! -d "$TOMCAT_DIRECTORY" ]
then
echo "the tomcat \"$TOM\" not exist.check again!"
exit 1
fi
##
### log roteta and delete log one week ago
##
rotate_log(){
TIME_FORMART=$(date +%Y%m%d%H%M%S)
LOG_DIR=$(dirname $TOMCAT_LOG)
mv $TOMCAT_LOG ${TOMCAT_LOG}_${TIME_FORMART}
find $LOG_DIR -type f -ctime +7 -exec rm -rf {} \;
}
##
### function start the tomcat
##
start_tomcat()
{
#echo start-tomcat-func
if [ -x "$STARTUP_SCRIPT" ]
then
rotate_log
$STARTUP_SCRIPT
sleep 1
tail -f $TOMCAT_LOG
else
if [ -e $STARTUP_SCRIPT ]
then
chmod +x $STARTUP_SCRIPT
# echo "permition added!"
if [ -x "$STARTUP_SCRIPT" ]
then
rotate_log
$STARTUP_SCRIPT
sleep 1
tail -f $TOMCAT_LOG
else
echo "The script not have excute permision,Couldn't add permision to Script!"
exit 1
fi
else
echo "error,the script \"startup.sh\" not exist!"
exit 1
fi
fi
}
##
### function stop the tomcat
##
stop_tomcat()
{
rm -rf $TEMPFILE
ps ux |grep /$TOM/ |grep -v "grep /$TOM/"|grep java > $TEMPFILE
Pro_Count=`cat $TEMPFILE|wc -l`
PIDS=`cat $TEMPFILE|awk '{print $2}'`
rm -rf $TEMPFILE
#echo $Pro_Count
if [ $Pro_Count -eq 0 ]
then
echo "The tomcat not running now!"
else
if [ $Pro_Count -ne 1 ]
then
echo "The have $Pro_Count process running,killed!"
kill -9 `echo $PIDS`
WC=`ps aux | grep "/$TOM/" | grep -v "grep /$TOM/" | grep java |wc -l`
[ $WC -ne 0 ] && (echo "kill process failed!";exit 1)
else
echo "Process killed!"
kill -9 `echo $PIDS`
WC=`ps aux | grep "/$TOM/" | grep -v "grep /$TOM/" | grep java |wc -l`
[ $WC -ne 0 ] && (echo "kill process failed!";exit 1)
fi
fi
}
###########################
#### ####
#### The main script ####
#### ####
###########################
echo -e "are you sure restart $TOM?(y or n)"
read ANS
if [ "$ANS"a != ya ]
then
echo -e "bye! \n"
exit 1
fi
stop_tomcat
echo "start tomcat ..."
sleep 2
start_tomcat
# end
【脚本98】取消后缀
至少用两种方法,批量把当前目录下面所有文件名后缀为.bak的后缀去掉,比如1.txt.bak去掉后为1.txt
假设取消的后缀为.bak
- 方法一:
#!/bin/bash
for i in `ls *.bak`
do
mv $i `echo $i|sed 's/\.bak//g'`
done
- 方法二:
#!/bin/bash
for i in `ls *.bak`
do
newname=`echo $i|awk -F '.bak' '{print $1}'`
mv $i $newname
done