批量创建KVM虚拟机与批量推公钥的shell脚本

#!/bin/bash
#kvm manager
#abel
work_dir=`pwd`
images_dir=/var/lib/libvirt/images
xml_dir=/etc/libvirt/qemu
red_col="\e[1;31m"
blue_col="\e[1;34m"
reset_col="\e[0m"
centos6_base_img=$work_dir/centos6/rhel6.qcow2
centos7_base_img=$work_dir/centos7/centos7.qcow2
menu() {
cat <<-EOF
+------------------------------------------------+
| |
| ======================|
|  虚拟机基本管理centos|
| ======================|
| 1. 安装虚拟机 |
| 2. 删除所有虚拟机 |
| 3. 创建虚拟机centos6|
| 4. 创建虚拟机centos7|
| q. 退出管理程序 |
| |
+------------------------------------------------+
EOF
}
;;
3)
read -p "请输入创建虚拟机的名字: " centos6
read -p "请输入创建虚拟机的数量: " vm_num
for i in `seq $vm_num`
do
vm_name=$centos6-${i}
vm_uuid=$(uuidgen)
vm_mac="52:54:$(dd if=/dev/urandom count=1 2>/dev/null | md5sum \
| sed -r 's/^(..)(..)(..)(..).*$/\1:\2:\3:\4/')"
vm_img=$images_dir/${vm_name}.qcow2

qemu-img create -f qcow2 -b ${centos6_base_img} $vm_img &>/dev/null
cp -rf $work_dir/centos6/rhel6.xml /$xml_dir/${vm_name}.xml

sed -ri "s/vm_name/$vm_name/" /$xml_dir/${vm_name}.xml
sed -ri "s/vm_uuid/$vm_uuid/" /$xml_dir/${vm_name}.xml
sed -ri "s/vm_mac/$vm_mac/" /$xml_dir/${vm_name}.xml
sed -ri "s#vm_img#$vm_img#" /$xml_dir/${vm_name}.xml

virsh define /$xml_dir/${vm_name}.xml &>/dev/null
echo "虚拟机${vm_name}重置完成..."
done
;;

4)
read -p "请输入创建虚拟机的名字: " centos7
read -p "请输入创建虚拟机的数量: " vm_num
for i in `seq $vm_num`
do
vm_name=$centos7-${i}
vm_uuid=$(uuidgen)
vm_mac="52:54:$(dd if=/dev/urandom count=1 2>/dev/null | md5sum \
| sed -r 's/^(..)(..)(..)(..).*$/\1:\2:\3:\4/')"
vm_img=$images_dir/${vm_name}.qcow2

qemu-img create -f qcow2 -b ${centos7_base_img} $vm_img &>/dev/null
cp -rf $work_dir/centos7/centos7.xml /$xml_dir/${vm_name}.xml

sed -ri "s/vm_name/$vm_name/" /$xml_dir/${vm_name}.xml
sed -ri "s/vm_uuid/$vm_uuid/" /$xml_dir/${vm_name}.xml
sed -ri "s/vm_mac/$vm_mac/" /$xml_dir/${vm_name}.xml
sed -ri "s#vm_img#$vm_img#" /$xml_dir/${vm_name}.xml

virsh define /$xml_dir/${vm_name}.xml &>/dev/null
echo "虚拟机${vm_name}重置完成..."
done
;;
m)
clear
menu
;;
q)
exit
;;
'')
;;
*)
echo "输入错误！"
read -p "请选择相应的操作[1-4]: " choice

esac
done

#################批量推公钥##################
#!/bin/bash
#abel
>ip.txt
>/root/.ssh/known_hosts

if [ ! -f ~/.ssh/id_rsa.pub ];then
ssh-keygen -P "" -f ~/.ssh/id_rsa
exit
fi
yum -y install expect

for i in {2..254}
do
{
ip=192.168.122.$i
ping -c1 -W1 $ip &>/dev/null
if [ $? -eq 0 ];then
echo $ip >> ip.txt
/usr/bin/expect <<-EOF
set timeout 10
spawn ssh-copy-id -i $ip
expect {
"*yes/no" { send "yes\r"; exp_continue}
"*password:" { send "centos\r" }
}

expect "#"
send "exit\r"
expect eof
EOF
fi
}&
done

wait
echo "finish...."