RHEL7(Centos7)下使用shell脚本一键部署服务(三)

更新内容:今天更新了一键部署DNS服务内容,后续会继续增加功能,对界面进行了些许美化

原文地址:RHEL7(Centos7)下使用shell脚本一键部署服务(三)

代码奉上:

#author:Roya

#script name:RyinddOne-deploy

#creation time:2020-01-23

#update time:2020-01-24

#version:0.15

#!/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 "------------------------------"

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

sleep 3

echo "/dev/cdrom /mnt iso9660 defaults 0 0" >> /etc/fstab && mount -a &> /dev/null && echo '|mount success!|' # 将挂载信息写入fstab

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

sleep 0.7

echo '[rhel]

name=rhel

baseurl=file:///mnt

gpgcheck=0

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

yum makecache &> /dev/null

if [ $? -eq 0 ]

then

sleep 0.7

echo "|Yum source configuration successfully!|"

else echo "|Yum source configuration failed!|"

fi

yum repolist | grep repolist

;;

2) #配置IP地址

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 "-----------------------------------------------------------"

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

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

;;

*)

exit 0

;;

esac

```

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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