shell图形化界面
whiptail
在CentOS6系统中，我们可以使用setup指令来修改网卡的IP等信息，交互起来十分方便，在CentOS7系统中，setup命令已经没有了，但是还有nmtui命令，可以让我们修改IP和主机名。
whiptail命令的作用就是可以出现一个图形化界面，并且样式有很多
消息框
#!/bin/bash
whiptail --title "$HOSTNAME disk info" --msgbox "`df -h`" 30 60
--title # 指定标题内容
--msgbox # 指定信息内容
30 # 指定消息框为30
60 # 指定信息框宽度为60
$? 0
布尔值选择框
# 布尔值选择框
#!/bin/bash
whiptail --title "你确定要这么做" --yesno "请做出你的选择" 30 60
echo $?
yes ：0
no ： 1
# 案例
#!/bin/bash
whiptail --title "你的性别" --yes-button "男" --no-button "女" --yesno "请做出你的选择" 30 60
echo $?
交互式输入框
语法:
whiptail --title "标题" --inputbox "信息" <高度> <宽度> <默认值>
#!/bin/bash
a=`whiptail --title "跳板机" --inputbox "请输入ip地址" 10 60 10.0.0.7 3>&1 1>&2 2>&1 `
if [ $? -eq 0 ];then
ssh $a
else
echo 'bey bey'
fi
# 选项
--inputbox: 交互式
10 ：高度
60 ：宽度
10.0.0.7 ：默认值
# 返回值
选择OK : 0
选择cancel ： 1
命令本身带输入内容，输入内容可以保存在变量中
密码输入框
pass=`whiptail --title "pass" --passwordbox "请输入你的密码：" 10 60 3>&1 1>&2 2>&3`
if [ $? -eq 0 ];then
if [ $pass == '1111' ];then
echo "密码是$pass"
else
echo '密码错误'
fi
else
echo "bey bey"
fi
# 返回值
选择OK ： 0
选择cancel： 1
命令本身带输入内容可以保存在变量中
菜单栏
# 菜单栏
a=$(whiptail --title "家里" --menu "根据菜单选" 30 60 3 \
"1" "lb01" \
"2" "lb2" \
"3" "lb03" \
"4" "lb04" \
"5" "lb05" \
"6" "lb06" 3>&1 1>&2 2>&3)
--menu # 菜单栏
30 # 高度
60 # 宽度
3 # 菜单显示多少行内容
# 返回值
OK ：0
Cancel ：1
选择的值会将序号保存在变量中
单选框
# 语法
a=$(whiptail --title "家里" --radiolist "根据菜单选" 30 60 3 \
"1" "lb01" OFF \
"2" "lb2" ON \
"3" "lb03" OFF \
"4" "lb04" OFF \
"5" "lb05" OFF \
"6" "lb06" OFF 3>&1 1>&2 2>&3)
# 选项
--rediolist : 单选框
OFF : 默认没有被选中
ON ：默认被选中
多选没有意义，后面的值会覆盖前面的选项
# 返回值
OK ：0
Cancel ：1
多选框
# 语法
a=$(whiptail --title "家里" --checklist "根据菜单选" 30 60 3 \
"1" "lb01" OFF \
"2" "lb2" ON \
"3" "lb03" OFF \
"4" "lb04" OFF \
"5" "lb05" OFF \
"6" "lb06" OFF 3>&1 1>&2 2>&3)
进度条
{
for ((i = 0 ; i <= 100 ; i+=1));do
sleep 10
echo $i
done
} | whiptail --gauge "让子弹飞一会" 6 60 10
作业
搭建图形化跳板机
#!/bin/bash
nginx (){
ps=`ssh 172.16.1.$1 "ps -ef | grep [n]ginx |wc -l"`
if [ $ps -ne 0 ];then
whiptail --title "172.16.1.$1 nginx状态" --msgbox "nginx进程存活 $ps" 30 60
else
whiptail --title "172.16.1.$1 nginx状态" --msgbox "nginx不存活 已经没有进程" 30 60
fi
}
free (){
ssh 172.16.1.$1 free -m &>/dev/null
if [ $? -eq 0 ];then
whiptail --title "172.16.1.$1 内存" --msgbox "`ssh 172.16.1.$1 free -m`" 30 60
else
whiptail --title "172.16.1.$1 内存" --msgbox "主机不存活" 30 60
fi
}
key (){
ls -l ~/.ssh/id_rsa &>/dev/null
if [ $? -eq 0 ];then
key=`ssh 172.16.1.$1 "cat ~/.ssh/authorized_keys |grep -w m01|wc -l"`
if [ $key == '1' ];then
ssh 172.16.1.$1
else
whiptail --title "你确定要这么做吗？" --yesno "客户端主机还没有创建密钥是否创建" 10 60
if [ $? -eq 0 ];then
sshpass -p 1 ssh-copy-id -o 'StrictHostKeyChecking no' -i ~/.ssh/id_rsa.pub root@172.16.1.$1 &>/dev/null && \
action "172.16.1.$1 send public key " /bin/true return 1 || \
action "172.16.1.$1 send public key " /bin/false
ssh 172.16.1.7
fi
fi
else
whiptail --title "你确定要这么做吗？" --yesno "主机还没有创建密钥是否创建" 10 60
if [ $? -eq 0 ];then
ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa &>/dev/null
fi
fi
}
while true;do
a=$(whiptail --title "菜单" --menu "根据菜单选" 30 60 5 \
"1" "查看磁盘信息" \
"2" "连接虚拟机" \
"3" "传输文件" \
"4" "game" \
"5" "查看内存" \
"6" "退出" \
"7" "查看nginx状态" 3>&1 1>&2 2>&3)
case $a in
1)
b=$(whiptail --title "选择要查看的硬盘的主机" --radiolist "根据菜单选" 30 60 3 \
"1" "web01-172.16.1.7" OFF \
"2" "web02-172.16.1.8" ON \
"3" "nfs-172.16.1.31" OFF \
"4" "backup-172.16.1.41" OFF \
"5" "db01-172.16.1.51" OFF 3>&1 1>&2 2>&3)
case $b in
1)
whiptail --title "$HOSTNAME disk info" --msgbox "`ssh 172.16.1.7 df -h`" 30 60
;;
2)
whiptail --title "$HOSTNAME disk info" --msgbox "`ssh 172.16.1.8 df -h`" 30 60
;;
3)
whiptail --title "$HOSTNAME disk info" --msgbox "`ssh 172.16.1.31 df -h`" 30 60
;;
4)
whiptail --title "$HOSTNAME disk info" --msgbox "`ssh 172.16.1.41 df -h`" 30 60
;;
5)
whiptail --title "$HOSTNAME disk info" --msgbox "`ssh 172.16.1.51 df -h`" 30 60
;;
esac
;;
2)
c=$(whiptail --title "菜单" --radiolist "你要连接的主机" 30 60 3 \
"1" "web01-172.16.1.7" OFF \
"2" "web02-172.16.1.8" ON \
"3" "nfs-172.16.1.31" OFF \
"4" "backup-172.16.1.41" OFF \
"5" "db01-172.16.1.51" OFF 3>&1 1>&2 2>&3)
case $c in
1)
key 7
;;
2)
key 8
;;
3)
key 31
;;
4)
key 41
;;
5)
key 51
esac
;;
3)
fire=$(whiptail --title "选择要下发文件的主机" --checklist "请在下面内容选择一项，上下左右移动，空格选中" 20 60 10 \
"1" "web01-172.16.1.7" OFF \
"2" "web02-172.16.1.8" OFF \
"3" "nfs-172.16.1.31" OFF \
"4" "backup-172.16.1.41" OFF \
"5" "db01-172.16.1.51" OFF 3>&1 1>&2 2>&3)
yuan_fire=`whiptail --title "xxxx" --inputbox "请输入源文件名路径：" 10 60 /etc/passwd 3>&1 1>&2 2>&3`
mu_fire=`whiptail --title "xxxx" --inputbox "请输入目标文件名路径：" 10 60 /etc/passwd 3>&1 1>&2 2>&3`
for i in $fire;do
if [ ${i//\"/''} == '1' ];then
scp $yuan_fire 172.16.1.7:$mu_fire
elif [ ${i//\"/''} == '2' ];then
scp $yuan_fire 172.16.1.8:$mu_fire
elif [ ${i//\"/''} == '3' ];then
scp $yuan_fire 172.16.1.31:$mu_fire
elif [ ${i//\"/''} == '4' ];then
scp $yuan_fire 172.16.1.41:$mu_fire
elif [ ${i//\"/''} == '5' ];then
scp $yuan_fire 172.16.1.51:$mu_fire
fi
done
;;
4)
;;
5)
d=$(whiptail --title "选择要查看的内存的主机" --radiolist "根据菜单选" 30 60 3 \
"1" "web01-172.16.1.7" OFF \
"2" "web02-172.16.1.8" ON \
"3" "nfs-172.16.1.31" OFF \
"4" "backup-172.16.1.41" OFF \
"5" "db01-172.16.1.51" OFF 3>&1 1>&2 2>&3)
case $d in
1)
free 7
;;
2)
free 8
;;
3)
free 31
;;
4)
free 41
;;
5)
free 51
;;
esac
;;
6)
pass=`whiptail --title "请输入密码" --passwordbox "请输入你的密码： " 10 60 3>&1 1>&2 2>&3`
if [ $pass == 'qqqqq' ];then
exit
else
whiptail --title "密码错误" --msgbox "密码错误" 30 30
fi
;;
7)
e=$(whiptail --title "选择要查看的nginx的主机" --radiolist "根据菜单选" 30 60 3 \
"1" "web01-172.16.1.7" OFF \
"2" "web02-172.16.1.8" ON \
"3" "nfs-172.16.1.31" OFF \
"4" "backup-172.16.1.41" OFF \
"5" "db01-172.16.1.51" OFF 3>&1 1>&2 2>&3)
case $e in
1)
nginx 7
;;
2)
nginx 8
;;
3)
nginx 31
;;
4)
nginx 41
;;
5)
nginx 51
;;
esac
esac
done
