背景说明

工作中经常会遇到一次上几十台、几百台服务器的情况

每当到这个时候小伙伴们拿台笔记本和一根网线，一台服务器、一台服务器的去修改idrac IP

为了节约这个工作量，利用dell的racadm工具，写了下面这个脚本。只要运行起这个脚本，后面要做的就只是插拔网线的工作

安装racadm工具包

[root@localhost ~]# curl -s http://linux.dell.com/repo/hardware/dsu/bootstrap.cgi | bash

[root@localhost ~]# yum -y install srvadmin-all

​

准备工作

在采购时dell会提供一份服务器的sn列表，会根据这个列表规划好每台服务器的idrac IP，我们可以将此转换成以逗号分隔的CSV文件如下：

[root@localhost ~]# cat idrac_ip_list

AAAAAAA,10.10.10.2,255.255.255.0,10.10.10.1

BBBBBBB,10.10.10.3,255.255.255.0,10.10.10.1

脚本

[root@localhost ~]# cat set_idrac_ip.sh

#!/usr/bin/env bash

# @Author : Eric Winn

# @Email : eng.eric.winn@gmail.com

# @Time : 2018-07-27 14:47

# @Version : 1.0

# @File : set_idrac_ip

# @Software : PyCharm

# the file of idrac

idrac_ip_list_file=${1}

if [ ! -f "${idrac_ip_list_file}" ]; then

echo "idrac_ip_list_file is not found!!!!"

echo "$0 [idrac_ip_list_file]"

exit 127

fi

# idrac Default infomation

idrac_default_ip=${2:-192.168.0.120}

idrac_default_user=${3:-root}

idrac_default_pass=${4:-calvin}

# racadm bin

racadm_bin=/opt/dell/srvadmin/sbin/racadm

# install check

srvadmin_install="curl -s http://linux.dell.com/repo/hardware/dsu/bootstrap.cgi | bash\nyum -y install srvadmin-all"

test ! `ls ${racadm_bin} 2> /dev/null` && printf "Please run these commands as root to install racadm.\n\e[1;31m${srvadmin_install}\e[0m\n" && exit 1

RACADM="${racadm_bin} -r $idrac_default_ip -u $idrac_default_user -p $idrac_default_pass"

# idrac history

idrac_sn_history=()

# idrac set

set_idrac_ip(){

# get SN

sn=`${RACADM} get BIOS.SysInformation.SystemServiceTag |grep SystemServiceTag |awk -F '=' '{print $2}'`

if [ "${sn}s" == "s" ]; then

echo "Get idrac sn is field!"

return 1

fi

# We only need the first 7 characters

sn=${sn:0:7}

echo "sn ======> ${sn}"

for h_sn in ${idrac_sn_history[*]}

do

if [ "$h_sn" == "${sn}" ]; then

echo "The ${sn} is already set."

return 0

fi

done

# get new idrac_net from idrac_ip_list_file

new_idrac_net=(`grep ${sn} $idrac_ip_list_file|awk -F ',' '{print $2,$3,$4}'`)

if [ "${new_idrac_net}s" == "s" ]; then

echo "The ${sn} is not in the ${idrac_ip_list_file}"

return 1

fi

echo "Setting the new ip: ${new_idrac_net[*]}"

# set idrac ip

${RACADM} setniccfg -s ${new_idrac_net[*]} | grep successfully

if [ $? -eq 0 ]; then

idrac_sn_history=(${idrac_sn_history[*]} ${sn})

return 0

else

echo "Set is field!"

return 1

fi

}

# check internet

check_internet() {

pings=""

echo -e "Connecting ...\c"

while [ "${pings}s" == "s" ]

do

pings=`ping -c 2 $idrac_default_ip |awk 'NR==6 {print $4}'`

if [ "${pings}s" == "s" ]; then

echo -e ".\c"

else

echo

fi

done

return 0

}

# main function

main() {

while true

do

check_internet

if [ $? -eq 0 ]; then

echo "Let's starting set"

set_idrac_ip

if [ $? -eq 0 ]; then

echo

echo "Now , Please change to a new server"

sleep 5

else

echo

echo "Please check it."

sleep 15

fi

fi

done

}

main

运行

注：后面的idrac_ip是csv文件名

[root@localhost ~]# sh set_idrac_ip.sh idrac_ip

Connecting ...

Let's starting set

sn ======> AAAAAAA

Setting the new ip: 10.10.10.2 255.255.255.0 10.10.10.1

Static IP configuration enabled and modified successfully

Now , Please change to a new server