shell实战之日志备份

util.sh

#!/bin/bash -

# Read config
# kay
# Version: 1.0
# 06/22/2016

# configuration file path
config=${log_bak}/"cfg"

# config parameters
prefix=`grep -v "^#" ${config}`
begin=`echo "${prefix}" | grep  'begin' | awk -F '=' '{ print $2 } '`
logpath=`echo "${prefix}" | grep  'logpath' | awk -F '=' '{ print $2 }' | awk -F ';' '{ for(i=1;i<=NF;i++) print $i }'`
shpath=`echo "${prefix}" | grep  'shpath' | awk -F '=' '{ print $2 }'`
bakpath=`echo "${prefix}" | grep  'bakpath' | awk -F '=' '{ print $2 }'`

cfg

# This is generated to be a configuration file.
# kay
# 06/22/2016

# This is a parameter for crontab and objective file.
begin=15

# This are some log path 
# logpath=/root/shell/log/26;/root/shell/log/27;/root/shell/log/28
logpath=/home/pospadm/trc

# bak path
bakpath=/home/kycap/bak

# sh path
shpath=/home/pospadm/log-bak/start.sh

crontab.sh

#!/bin/bash -

# Used to do a crontab task
# kay
# Version: 1.0
# 06/22/2016

# @Name: docrontab
# @Parameter: specific crontab task
docrontab()
{
    cronfile="/tmp/crontab.${USER}"
    crontab -l > ${cronfile}
    query=`echo "$1" | sed 's/*/\\\*/g'`
    grep -q "${query}" ${cronfile} && echo "" ||
    {
            echo "$1" >> ${cronfile}
            crontab ${cronfile}
    }
    rm -f ${cronfile}
}

readme

1.设置环境变量
log_bak=脚本所在目录
2.启动脚本
./start.sh
3.停止脚本
./stop.sh

start.sh

#!/bin/bash -

# This file is used to handle log bak 
# kay
# Version: 1.0
# 06/22/2016

. ${HOME}/.bash_profile
. ${log_bak}/util.sh
. ${log_bak}/crontab.sh

# add crontab
task="0 0 * * * "${shpath}
docrontab "${task}"

#echo "${bakpath}" >> ret.log
cd ${bakpath}
current=`date +"%Y%m%d"`
mkdir ${current} 2>/dev/null 
cd ${current}

# handle every specific file 
for d in ${logpath}
do
    # search for all directories before time begin
    filelist=`find "${d}" -mtime +"${begin}" -type f`
    for f in ${filelist[@]}
    do
        dir=`echo ${f} | awk -F '/' '{ print $(NF - 1) }'`    
        mkdir ${dir} 2>/dev/null
        mv ${f} ${dir}
    done
done

# tar log
cd ${bakpath}
tar -zcf "${current}.tar.gz" ${current}
rm -rf ${current}

stop.sh

#!/bin/bash -

# Used to stop script and crontab
# kay
# Version: 1.0
# 06/22/2016

crontab -r
ps -ef | grep 'start' | awk -F ' ' '{ print $2 }' | xargs kill -9