linux：shell实例eGW_install.sh

#!/bin/bash -

#########################################################################################
#install
#安装程序，安装eGW，设置系统环境
#version:2.1
#dongfeng@baicells.com 20170425
#########################################################################################


#停止eGW服务
monitor_run=`systemctl status monitor.service |grep running`
if [ -n "$monitor_run" ];then
        echo "start to stop monitor.service"
        systemctl stop monitor.service
        sleep 2
fi
#安装eGW
echo "start to install eGW"
DIR=/home/baicells/eGW
if [ ! -d "$DIR" ];then
    echo "eGW is not exist"
    echo "mkdir $DIR"
    mkdir $DIR    #如果主目录不存在，则创建目录
    echo "tar -zxvf eGW.tar.gz"
    echo "********************"
    tar -zxvf eGW.tar.gz -C $DIR    #解压安装文件
    echo "********************"
    echo "create config.txt and networkcfg.conf"
    echo "#config file" > ${DIR}/config.txt    #初始化网关配置文件
    echo "#networkcfg file" > ${DIR}/networkcfg.conf    #初始化网络配置文件
else
    date=`date +%Y%m%d%H%M`
    DIR_bak=${DIR}_bak
    DIR_date=${DIR}_$date
    echo "eGW is already exist"
    echo "mv $DIR $DIR_bak"
    mv $DIR $DIR_bak    #如果目录存在，备份目录
    echo "mkdir $DIR"
    mkdir $DIR    #然后创建目录
    echo "********************"
    tar -zxvf eGW.tar.gz -C $DIR    #解压安装文件
    echo "********************"
    if [ -f "${DIR_bak}/config.txt" ];then
        echo "cp ${DIR_bak}/config.txt $DIR"
        cp ${DIR_bak}/config.txt $DIR    #替换网关配置文件
    else
        echo "config.txt is not exist"
    fi
    if [ -f "${DIR_bak}/networkcfg.conf" ];then
        echo "cp ${DIR_bak}/networkcfg.conf $DIR"
        cp ${DIR_bak}/networkcfg.conf $DIR  #替换网络配置文件
    else
        echo "networkcfg.conf is not exist"
    fi
    cd $DIR_bak
    folder_CDR=CDR
    if [ -d "$folder_CDR" ];then
        echo "cp -rf ${DIR_bak}/$folder_CDR $DIR"
        cp -rf ${DIR_bak}/$folder_CDR $DIR      #保留话单到新版本
#   else
#       cd ${DIR}
#       mkdir -p $folder_CDR/$folder_cdrDat
    fi

    folder_Dailystatic=Dailystatic
    if [ -d "$folder_Dailystatic" ];then
        echo "cp -rf ${DIR_bak}/$folder_Dailystatic $DIR"
        cp -rf ${DIR_bak}/$folder_Dailystatic $DIR   #保留流量统计到新版本
    fi

    folder_Userstatic=Userstatic
    if [ -d "$folder_Userstatic" ];then
        echo "cp -rf ${DIR_bak}/$folder_Userstatic $DIR"
        cp -rf ${DIR_bak}/$folder_Userstatic $DIR   #保留用户数统计到新版本
    fi

    mv $DIR_bak $DIR_date
fi

#修改文件执行权限
cd $DIR
echo "chmod +x"
chmod +x startAll.sh    #修改执行权限
chmod +x monitor        #修改执行权限
chmod +x ltegwd         #修改执行权限
chmod +x ltegw.sh       #修改执行权限
chmod +x lccmd          #修改执行权限
chmod +x watchdog.sh    #修改执行权限
chmod +x dailystatic.py #修改执行权限
chmod +x vtysh          #修改执行权限
chmod +x emailontime.py #修改执行权限
chmod +x checkMD5.py    #修改执行权限

echo "cp monitor.service /usr/lib/systemd/system/ " 
cp monitor.service /usr/lib/systemd/system/      #复制脚本到服务目录
echo "mv libzebra.so.0 /usr/local/lib"
mv libzebra.so.0 /usr/local/lib   #复制库文件到指定目录
echo "systemctl daemon-reload"
systemctl daemon-reload        #更新服务目录
echo "systemctl enable monitor.service"
systemctl enable monitor.service #设置服务开机自启动

#设置系统环境
echo "start to set system"
#配置ipsec写入自启动
ipsec_autostart=`find /etc/rc.d -name "rc.local" |xargs grep "^ipsec start"`
if [ ! -n "$ipsec_autostart" ];then
    echo "set ipsec start"
        echo "ipsec start" >> /etc/rc.d/rc.local
    chmod +x /etc/rc.d/rc.local
fi
echo "systemctl stop firewalld.service"
systemctl stop firewalld.service #为了防止系统防火墙屏蔽接口，先关闭防火墙
echo "systemctl disable firewalld.service"
systemctl disable firewalld.service #关闭开机启动
#ulimit -c unlimited  #不限制用户资源
echo "set SELINUX closed"
setenforce 0
sed -i "s/SELINUX=enforcing/SELINUX=disabled/g"  /etc/selinux/config #关闭selinux
#sed -i "s/Defaults    requiretty/#Defaults    requiretty/g"  /etc/sudoers #修改root权限
echo "mkdir lc and mo"
if [ ! -d "/var/opc/lc" ];then
    mkdir -p /var/opt/lc
fi
if [ ! -d "/var/opc/mo" ];then
        mkdir -p /var/opt/mo
fi

ip_forward=`find /etc -name "sysctl.conf" |xargs grep "net.ipv4.ip_forward"`
if [ ! -n "$ip_forward" ];then
    echo "set net.ipv4.ip_forward=1"
        echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf
else    
    echo "set net.ipv4.ip_forward=1"
    sed -i "s/net.ipv4.ip_forward=0/net.ipv4.ip_forward=1/g"  /etc/sysctl.conf
fi

#设置coredump
cd /home/baicells
folder_coredump=coredump
echo "set coredump"
if [ ! -d "$folder_coredump" ];then
    mkdir $folder_coredump
    chmod 0773 $folder_coredump
fi

echo "kernel.core_pattern = /home/baicells/coredump/core-%e-sig%s-user%u-group%g-pid%p-time%t" > /etc/sysctl.d/core.conf
echo "kernel.core_uses_pid = 1" >> /etc/sysctl.d/core.conf
echo "fs.suid_dumpable = 2" >> /etc/sysctl.d/core.conf

echo "*       hard        core        unlimited" > /etc/security/limits.d/core.conf
echo "*       soft        core        unlimited" >> /etc/security/limits.d/core.conf

default_limit_core=`find /etc/systemd -name "system.conf" |xargs grep "DefaultLimitCORE=infinity"`
if [ ! -n "$default_limit_core" ];then
        echo "DefaultLimitCORE=infinity" >> /etc/systemd/system.conf
fi

systemctl daemon-reload
systemctl daemon-reexec
sysctl -p /etc/sysctl.d/core.conf
sysctl -p

#启动eGW服务
echo "start to start monitor.service"
systemctl start monitor.service