RHEL7(Centos7)下使用shell脚本一键部署服务(四)

更新内容:增加了一键部署PXE+kickstart无人值守安装服务，经测试，无任何问题。欢迎大家测试和提出意见，写作不易，还望支持。

原文地址：RHEL7(Centos7)下使用shell脚本一键部署服务(四)

目前可以完成的功能

1、一键配置yum源

2、配置IP地址

3、搭建NFS服务

4、搭建DHCP服务

5、搭建DNS服务

6、一键部署PXE+kickstart无人值守安装服务

脚本如下：

#author:Roya

#script name:ROne-deploy

#creation time:2020-01-23

#update time:2020-01-26

#version:0.20

#!/bin/bash

echo "------------------------------"

echo "|input 1:Configure Yum source|"

echo "------------------------------"

echo "|input 2:Configure IP address|"

echo "------------------------------"

echo "|input 3:Configure NFS server|"

echo "------------------------------"

echo "|input 4:Configure DHCP server|"

echo "------------------------------"

echo "|input 5:Configure DNS server|"

echo "-------------------------------------------------------"

echo "|input 6:Configure PXE unattended installation service|"

echo "-------------------------------------------------------"

read -p "|please input 1,2,3,4,5,6|: " a

case $a in #使用case语句判断输入

1)

echo "-------------------------------------"

echo "|Prepare to configure Yum source...|"

echo "-------------------------------------"

sleep 1 #等一秒执行下面命令

echo "|One moment...please|"

echo "---------------------"

if [ -e /media/cdrom ]

then sleep 0.7

else mkdir /media/cdrom

fi

echo "/dev/cdrom /media/cdrom iso9660 defaults 0 0" >> /etc/fstab && mount -a &> /dev/null # 将挂载信息写入fstab

sleep 0.7

echo '[rhel]

name=rhel

baseurl=file:///media/cdrom

gpgcheck=0

enabled=1' >> /etc/yum.repos.d/rhel.repo #yum源的配置文件

sleep 2.7

yum makecache &> /dev/null

if [ $? -eq 0 ]

then

sleep 0.7

echo "----------------------------------------"

echo "|Yum source configuration successfully!|"

echo "----------------------------------"

else echo "|Yum source configuration failed!|"

echo "----------------------------------"

fi

yum repolist | grep repolist

;;

2) #配置IP地址

echo "----------------------------------------------------------------"

read -p "|please enter Please enter the network card name(Tips:ens33,eth0)|: " wlanname #请输入网卡名

if [ -e /etc/sysconfig/network-scripts/ifcfg-$wlanname ]

then

continue &> /dev/null

else echo "input error!"

exit 0

fi

sleep 0.7

echo "----------------------------------------------------------------"

read -p "|Please enter IP address(Tips:192.168.1.1/24)|: " IPad #请输入IP地址

sleep 0.7

echo "-------------------------------------------"

read -p "|Please enter GATEWAY(Tips:192.168.1.254)|: " gate #请输入网关

sleep 0.7

echo "-----------------------------------------------"

read -p "|please enter DNS server(Tips:114.114.114.114)|: " DNS #请输入网关

sleep 0.7

echo "-----------------------------------------------------------"

nmcli connection modify $wlanname ipv4.addresses $IPad

nmcli connection modify $wlanname ipv4.method manual

nmcli connection modify $wlanname ipv4.dns $DNS ipv4.gateway $gate &>/dev/null

nmcli connection modify $wlanname connection.autoconnect yes &>/dev/null

systemctl restart network

if [ $? -eq 0 ]

then

echo "|Network configuration successful!|" #网络配置成功

echo "----------------------------------"

ifconfig | awk 'NR==2'

else echo "Network configuration failed!"

fi

;;

3) #配置NFS服务

echo "-------------------------------------"

yum install -y nfs-utils &> /dev/null #安装nfs服务端

if [ $? -eq 0 ]

then echo '|NFS service installed successfully!|' #nfs服务安装成功

echo "-------------------------------------------------------------"

read -p '|Please enter NFS directory path you want to share(Tips:/nfsdir)|: ' nfsdir #输入nfs共享的目录

echo "------------------------------------------------------------"

sleep 0.7

read -p '|Please enter the IP address of the host allowed to be shared(Tips:192.168.1.1 or 192.168.1.*)|: ' nfsIP #输入允许共享的主机IP地址或者网段

echo "---------------------------------------------------------------"

sleep 0.7

read -p '|Please enter the permission of the shared host(Tips:sync,rw,ro)|: ' nfspwr #输入允许共享的主机的权限

echo "-------------------------------"

sleep 0.7

echo "|Configuring..... Please wait.|"

echo "-------------------------------"

sleep 3

if [ -e $nfsdir ] #判断nfs共享目录是否存在

then echo '|File Exists|'

echo "------------"

sleep 0.7

else mkdir $nfsdir

chmod -Rf 777 $nfsdir

fi

echo "$nfsdir $nfsIP($nfspwr)" > /etc/exports

systemctl restart nfs-server

if [ $? -eq 0 ]

then

IP=`ifconfig | awk -F ' ' 'NR==2{print$2}'` #使用awk命令提取出IP地址

exportfs -r

showmount -e $IP

if [ $? -eq 0 ] #判断服务是否配置正确

then echo "NFS server has been configured successfully!"

else echo "NFS server has been configured failed!"

fi

fi

systemctl restart rpcbind

systemctl enable rpcbind &> /dev/null

systemctl enable nfs-server &> /dev/null #加入到开机自启动

firewall-cmd --add-service=nfs --permanent &> /dev/null

firewall-cmd --add-service=rpc-bind --permanent &> /dev/null

firewall-cmd --reload &> /dev/null

else echo 'NFS service installion failed!'

fi

;;

4) #配置DHCP服务

echo "-------------------"

echo '|one momnet...please|'

yum install -y dhcp &> /dev/null

if [ $? -eq 0 ]

then

echo "DHCP service installed successfully!"

echo "----------------------------------------------------------------------------"

read -p "|Please enter the type of DNS service dynamic update(Tips:none,interim,ad-hoc)|: " style #请输入DNS服务动态更新的类型

case $style in

none|interim|ad-hoc)

continue

;;

*)

echo "input error!"

exit 0

;;

esac

echo "---------------------------------------------------------"

sleep 0.7

read -p "|Allow/ignore client update DNS records(Tips:allow/ignore)|: " judge #允许/忽略客户端更新DNS记录

case $judge in

allow|ignore)

continue

;;

*)

echo "input error!"

exit 0

;;

esac

echo "------------------------------------------"

sleep 0.7

read -p "|Please enter a DNS domain(Tips:roya.com)|: " domain #请输入DNS域

echo "------------------------------------------"

sleep 0.7

IP=`ifconfig | awk -F ' ' 'NR==2{print$2}'` #IP地址

NETMASK=`ifconfig | awk -F ' ' 'NR==2{print$4}'` #子网掩码

IP0="echo "`ifconfig | awk -F ' ' 'NR==2{print$2}' | cut -d '.' -f 1,2,3`.0"" #取IP地址前三位

IP1="expr `ifconfig| awk -F ' ' 'NR==2{print$2}' | awk -F '.' '{print$4}'` + 20" #将IP地址最后一位加20

IP2="expr `ifconfig| awk -F ' ' 'NR==2{print$2}' | awk -F '.' '{print$4}'` + 100" #将IP地址最后一位加100

IP3="echo "`ifconfig | awk -F ' ' 'NR==2{print$2}' | cut -d '.' -f 1,2,3`.`$IP1`"" #增加之后的IP地址

IP4="echo "`ifconfig | awk -F ' ' 'NR==2{print$2}' | cut -d '.' -f 1,2,3`.`$IP2`""

cat >> /etc/dhcp/dhcpd.conf << EOF #写入配置文件

ddns-update-style $style;

$judge client-updates;

subnet `$IP0` netmask $NETMASK {

range `$IP3` `$IP4`;

option subnet-mask $NETMASK;

option routers $IP;

option domain-name "$domain";

option domain-name-servers $IP;

default-lease-time 21600;

max-lease-time 43200;

}

EOF

systemctl restart dhcpd

if [ $? -eq 0 ]

then echo "DHCP service configuration succeeded!"

systemctl enable dhcpd &> /dev/null

firewall --add-service=dhcp --permanent &> /dev/null

firewall --reload &> /dev/null

systemctl status dhcpd

else echo "DHCP service configuration failed!"

fi

else echo "DHCP service not installed successfully!"

fi

;;

5) #配置DNS服务

echo "---------------------"

echo "|one moment...please|"

yum install -y bind* &> /dev/null

if [ $? -eq 0 ]

then

sed -i "s/listen-on port 53 { 127.0.0.1; };/listen-on port 53 { any; };/g" /etc/named.conf

sed -i "s/listen-on-v6 port 53 { ::1; };/\/\/listen-on-v6 port 53 { ::1; };/g" /etc/named.conf

sed -i "s/allow-query { localhost; };/allow-query { any; };/g" /etc/named.conf

read -p "Please enter the website you want to analyze(Tips:runtime.com): " local1 #请输入你想解析的域名

sleep 1.7

IP_0="`ifconfig | awk -F ' ' 'NR==2{print$2}'`"

IP_1="`ifconfig | awk -F ' ' 'NR==2{print$2}' | cut -d '.' -f 1`"

IP_2="`ifconfig | awk -F ' ' 'NR==2{print$2}' | cut -d '.' -f 2`"

IP_3="`ifconfig | awk -F ' ' 'NR==2{print$2}' | cut -d '.' -f 3`"

IP_4="`ifconfig | awk -F ' ' 'NR==2{print$2}' | cut -d '.' -f 4`"

cat > /etc/named.rfc1912.zones << EOF

zone "$local1" IN {

type master;

file "$local1.local";

allow-update { none; };

};

zone "$IP_3.$IP_2.$IP_1.in-addr.arpa" IN {

type master;

file "$local1.zone";

allow-update { none; };

};

EOF

cp -a /var/named/named.localhost /var/named/$local1.local

cp -a /var/named/named.loopback /var/named/$local1.zone

cat > /var/named/$local1.local << EOF

\$TTL 1D

@ IN SOA root.$local1. $local1. (

0 ; serial

1D ; refresh

1H ; retry

1W ; expire

3H ) ; minimum

NS ns.$local1.

ns A $IP_0

A $IP_0

EOF

cat > /var/named/$local1.zone << EOF

\$TTL 1D

@ IN SOA root.$local1. $local1. (

0 ; serial

1D ; refresh

1H ; retry

1W ; expire

3H ) ; minimum

NS ns.$local1.

$IP_4 PTR $local1.

$IP_4 PTR ns.$local1.

EOF

systemctl restart named

if [ $? -eq 0 ]

then

echo "--------------------------------------"

echo "|DNS service configuration succeeded!|"

systemctl enable named &> /dev/null

firewall-cmd --add-service=dns --permanent &> /dev/null

firewall-cmd --reload &> /dev/null

echo "--------------------------------------"

nslookup $IP_0

echo "--------------------------------------"

else echo "|DNS service is not configured successfully!|"

fi

else echo "|DNS service not installed succesfully!|"

echo "--------------------------------------"

fi

;;

6)

echo "------------------"

echo "|Just a minute...|"

yum install -y xinetd &> /dev/null

yum install -y dhcp &> /dev/null

IP_a=`ifconfig | awk -F ' ' 'NR==2{print$2}'`

netmask=`ifconfig | awk -F ' ' 'NR==2{print$4}'`

IP_b="echo "`ifconfig | awk -F ' ' 'NR==2{print$2}' | cut -d '.' -f 1,2,3`.0""

IP_c="echo "`ifconfig | awk -F ' ' 'NR==2{print$2}' | cut -d '.' -f 1,2,3`.0"" #取IP地址前三位

IP_d="expr `ifconfig| awk -F ' ' 'NR==2{print$2}' | awk -F '.' '{print$4}'` + 100" #将IP地址最后一位加100

IP_e="expr `ifconfig| awk -F ' ' 'NR==2{print$2}' | awk -F '.' '{print$4}'` + 200" #将IP地址最后一位加200

IP_f="echo "`ifconfig | awk -F ' ' 'NR==2{print$2}' | cut -d '.' -f 1,2,3`.`$IP_d`"" #增加之后的IP地址

IP_g="echo "`ifconfig | awk -F ' ' 'NR==2{print$2}' | cut -d '.' -f 1,2,3`.`$IP_e`""

cat > /etc/dhcp/dhcpd.conf << EOF

allow booting;

allow bootp;

ddns-update-style interim;

ignore client-updates;

subnet `$IP_b` netmask $netmask {

option subnet-mask $netmask;

option domain-name-servers $IP_a;

range dynamic-bootp `$IP_f` `$IP_g`;

default-lease-time 21600;

max-lease-time 43200;

next-server $IP_a;

filename "pxelinux.0";

}

EOF

systemctl restart dhcpd

if [ $? -eq 0 ]

then systemctl enable dhcpd &> /dev/null

else echo " DHCP Configured error!"

exit 0

fi

yum install -y tftp-server &> /dev/null

cat > /etc/xinetd.d/tftp <<EOF

service tftp

{

socket_type = dgram

protocol = udp

wait = yes

user = root

server = /usr/sbin/in.tftpd

server_args = -s /var/lib/tftpboot

disable = no

per_source = 11

cps = 100 2

flags = IPv4

}

EOF

systemctl restart xinetd

systemctl restart tftp

if [ $? -eq 0 ]

then systemctl enable tftp &> /dev/null

else echo "TFTP service Configured error!"

exit 0

fi

systemctl enable xinetd &> /dev/null

firewall-cmd --permanent --add-service=tftp &> /dev/null

firewall-cmd --reload &> /dev/null

yum install -y syslinux &> /dev/null

cp /usr/share/syslinux/pxelinux.0 /var/lib/tftpboot

cp /media/cdrom/images/pxeboot/{vmlinuz,initrd.img} /var/lib/tftpboot

cp /media/cdrom/isolinux/{vesamenu.c32,boot.msg} /var/lib/tftpboot

if [ -e /var/lib/tftpboot/pxelinux.cfg ]

then echo "File Exists!"

else mkdir /var/lib/tftpboot/pxelinux.cfg &> /dev/null

fi

cp /media/cdrom/isolinux/isolinux.cfg /var/lib/tftpboot/pxelinux.cfg/default

version_0=`cat /etc/redhat-release | awk -F ' ' '{print$7}'`

cat > /var/lib/tftpboot/pxelinux.cfg/default <<EOF

default linux

timeout 600

display boot.msg

# Clear the screen when exiting the menu, instead of leaving the menu displayed.

# For vesamenu, this means the graphical background is still displayed without

# the menu itself for as long as the screen remains in graphics mode.

menu clear

menu background splash.png

menu title Red Hat Enterprise Linux $version_0

menu vshift 8

menu rows 18

menu margin 8

#menu hidden

menu helpmsgrow 15

menu tabmsgrow 13

# Border Area

menu color border * #00000000 #00000000 none

# Selected item

menu color sel 0 #ffffffff #00000000 none

# Title bar

menu color title 0 #ff7ba3d0 #00000000 none

# Press [Tab] message

menu color tabmsg 0 #ff3a6496 #00000000 none

# Unselected menu item

menu color unsel 0 #84b8ffff #00000000 none

# Selected hotkey

menu color hotsel 0 #84b8ffff #00000000 none

# Unselected hotkey

menu color hotkey 0 #ffffffff #00000000 none

# Help text

menu color help 0 #ffffffff #00000000 none

# A scrollbar of some type? Not sure.

menu color scrollbar 0 #ffffffff #ff355594 none

# Timeout msg

menu color timeout 0 #ffffffff #00000000 none

menu color timeout_msg 0 #ffffffff #00000000 none

# Command prompt text

menu color cmdmark 0 #84b8ffff #00000000 none

menu color cmdline 0 #ffffffff #00000000 none

# Do not display the actual menu unless the user presses a key. All that is displayed is a timeout message.

menu tabmsg Press Tab for full configuration options on menu items.

menu separator # insert an empty line

menu separator # insert an empty line

label linux

menu label ^Install Red Hat Enterprise Linux $version_0

kernel vmlinuz

append initrd=initrd.img inst.stage2=ftp://$IP_a ks=ftp://$IP_a/pub/ks.cfg quiet

label check

menu label Test this ^media & install Red Hat Enterprise Linux $version_0

menu default

kernel vmlinuz

append initrd=initrd.img inst.stage2=hd:LABEL=RHEL-7.6\x20Server.x86_64 rd.live.check quiet

menu separator # insert an empty line

# utilities submenu

menu begin ^Troubleshooting

menu title Troubleshooting

label vesa

menu indent count 5

menu label Install Red Hat Enterprise Linux $version_0 in ^basic graphics mode

text help

Try this option out if you're having trouble installing

Red Hat Enterprise Linux $version_0.

endtext

kernel vmlinuz

append initrd=initrd.img inst.stage2=hd:LABEL=RHEL-$version_0\x20Server.x86_64 xdriver=vesa nomodeset quiet

label rescue

menu indent count 5

menu label ^Rescue a Red Hat Enterprise Linux system

text help

If the system will not boot, this lets you access files

and edit config files to try to get it booting again.

endtext

kernel vmlinuz

append initrd=initrd.img inst.stage2=hd:LABEL=RHEL-$version_0\x20Server.x86_64 rescue quiet

label memtest

menu label Run a ^memory test

text help

If your system is having issues, a problem with your

system's memory may be the cause. Use this utility to

see if the memory is working correctly.

endtext

kernel memtest

menu separator # insert an empty line

label local

menu label Boot from ^local drive

localboot 0xffff

menu separator # insert an empty line

menu separator # insert an empty line

label returntomain

menu label Return to ^main menu

menu exit

menu end

EOF

yum install -y vsftpd &> /dev/null

systemctl restart vsftpd

systemctl enable vsftpd &> /dev/null

cp -r /media/cdrom/* /var/ftp && echo "-----------------------" && echo "|Transmission complete|!"

echo "-----------------------"

firewall-cmd --add-service=ftp --permanent &> /dev/null

firewall-cmd --reload &> /dev/null

setsebool -P ftpd_connect_all_unreserved=on &> /dev/null

cp ~/anaconda-ks.cfg /var/ftp/pub/ks.cfg

chmod +r /var/ftp/pub/ks.cfg

echo "#version=RHEL$version_0

# System authorization information

auth --enableshadow --passalgo=sha512

repo --name="Server-HighAvailability" --baseurl=file:///run/install/repo/addons/HighAvailability

repo --name="Server-ResilientStorage" --baseurl=file:///run/install/repo/addons/ResilientStorage

# Use CDROM installation media

url --url=ftp://$IP_a

# Use graphical install

graphical

# Run the Setup Agent on first boot

firstboot --enable

ignoredisk --only-use=sda

# Keyboard layouts

keyboard --vckeymap=us --xlayouts='us'

# System language

lang en_US.UTF-8

# Network information

network --bootproto=dhcp --device=ens33 --ipv6=auto --no-activate

network --hostname=localhost.localdomain

# Root password

rootpw --iscrypted \$6\$qRAoZkxh5SHa7N4X\$w2osf.ZFey1hPtFdOJVIMgVOzc8dygUol2JphmSNQB6MHb7vPL63D6s9hIfrT9ydduKFOlq0S5/kp6.zJzYMy.

# System services

services --enabled="chronyd"

# System timezone

timezone Asia/Shanghai --isUtc

user --name=roya --password=\$6\$ZT/uZLv5GPvdSNr7\$caWMweAE4l9z93nmeRSttpiwHeJr9rjEGlAANrZBv5pRcZVkUfFzTAGQuQgNXEhKjI75sD9aVUmH.n55fUocX0 --iscrypted --gecos="roya"

# X Window System configuration information

xconfig --startxonboot

# System bootloader configuration

bootloader --location=mbr --boot-drive=sda

# Partition clearing information

clearpart --all --initlabel

# Disk partitioning information

part swap --fstype="swap" --ondisk=sda --size=5000

part /boot --fstype="xfs" --ondisk=sda --size=2000

part / --fstype="xfs" --ondisk=sda --size=13000

%packages

@^graphical-server-environment

@base

@core

@desktop-debugging

@dial-up

@fonts

@gnome-desktop

@guest-agents

@guest-desktop-agents

@hardware-monitoring

@input-methods

@internet-browser

@multimedia

@print-client

@x11

chrony

%end

" > /var/ftp/pub/ks.cfg

if [ $? -eq 0 ]

then echo "PXE service Configuration successed!"

else echo "PXE service Configuration failed!"

fi

;;

*)

exit 0

;;

esac

与centos7系统几乎通用(只需修改几处小地方)

未经允许，不允许转载，后续会继续完善功能，觉得可以的话，留下你们的赞和评论哦，代码已经在GitHub上开源，欢迎大佬给出建议，写作不易，还望支持

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