KVM 虛拟機自動克隆腳本

#!/bin/sh

#----------------------------------#

# virt-clone auto script[虛拟機自動克隆腳本]

# create by xuekun

# date 2015-12-26

# 開源人

# Source function library.

. /etc/rc.d/init.d/functions

#

SOUR_SERVER=$1

DIRE_SERVER=$2

IP_ADDRESS=$3

HOST_NAME=$4

FILE_NAME=${DIRE_SERVER}.img

FILE_PATH=/export/servers/${FILE_NAME}

XML_CONFIG_PATH=/etc/libvirt/qemu

MOUNT_DIR=/mnt

DEV_DIR=

IFCFG_FILE=/etc/sysconfig/network-scripts/ifcfg-eth0

IFCFG_FILE_PATH=${MOUNT_DIR}${IFCFG_FILE}

NET_WORK_FILE=/etc/sysconfig/network

NET_WORK_PATH=${MOUNT_DIR}${NET_WORK_FILE}

NET_RULES_FILE=/etc/udev/rules.d/70-persistent-net.rules

NET_RULES_PATH=${MOUNT_DIR}${NET_RULES_FILE}

XML_LIST_FILE=xml_list.log

XML_TEMP_DIR=/home/xuekun/${XML_LIST_FILE}

#log目錄及檔案

LOG_PATH=/app/log

LOG_FILE=${LOG_PATH}/server_clone.log

#判斷虛拟機是否運作

RETVAL_S=$(/usr/bin/virsh list|grep ${SOUR_SERVER})

[ -n ${RETVAL_S} ] && exit 1

#判斷目标主機是否存在

RETVAL_D=$(/bin/find ${XML_CONFIG_PATH} -name ${DIRE_SERVER}.xml)

[ -n ${RETVAL_D} ] && exit 1

#start virtclone

echo "[$(date +%Y-%m-%d-%H:%M:%S)] $$.............start" >> {LOG_FILE}

virt-clone -o ${SOUR_SERVER}  -n ${DIRE_SERVER} --file ${FILE_PATH} >>{LOG_FILE}

echo "[$(date +%Y-%m-%d-%H:%M:%S)] $$.............finished" >> {LOG_FILE}

action $"${DIRE_SERVER} clone successful: " /bin/true

sleep 2

#修改配置

echo "[$(date +%Y-%m-%d-%H:%M:%S)] $$.............config virt server" >> {LOG_FILE}

#get address from xml

str=$(grep "mac address=" ${XML_CONFIG_PATH}/*.xml)

HW_ADDRESS=${str:20:17}

echo "[$(date +%Y-%m-%d-%H:%M:%S)] $$.............IP_ADDRESS:${IP_ADDRESS}" >> {LOG_FILE}

echo "[$(date +%Y-%m-%d-%H:%M:%S)] $$.............HW_ADDRESS:${HW_ADDRESS}" >> {LOG_FILE}

#判斷目錄是否存在

[ ! -d ${MOUNT_DIR} ] && mkdir ${MOUNT_DIR}

kpartx -av ${FILE_PATH} >> {LOG_FILE}

DEV_DIR=$(kpartx -av ${FILE_PATH}|tail -n 1)|awk '{print $3}'

#挂載目錄到MOUNT_DIR

mount /dev/mapper/${DEV_DIR} ${MOUNT_DIR}

#輸出配置檔案到LOG

/bin/cat ${IFCFG_FILE_PATH} >>{LOG_FILE}

#replace IP

IP_ADDR=$(grep "IPADDR" ${IFCFG_FILE_PATH})

sed -i "s%${IP_ADDR}%IPADDR=${IP_ADDRESS}%" ${IFCFG_FILE_PATH}

#replace MAC

HW_ADDR=$(grep "HWADDR" ${IFCFG_FILE_PATH})

sed -i "s%${HW_ADDR}%HWADDR=${HW_ADDRESS}%" ${IFCFG_FILE_PATH}

#replace hostname

HOST_NAME=$(grep HOSTNAME ${NET_WORK_PATH})

sed -i "s%${HOST_NAME}%HOSTNAME=${HOST_NAME}%" ${NET_WORK_PATH}

echo  >${NET_RULES_PATH}

umount ${MOUNT_DIR}

kpartx -d ${FILE_PATH}

#replace xml配置檔案中的VNC端口

#get vnc port

/bin/ls -l ${XML_CONFIG_PATH}/*.xml|awk '{print $9}' >${XML_TEMP_DIR}

num=$(while read line ;do str=$(cat ${XML_CONFIG_PATH}/${line} |grep "autoport");echo ${str:31:4} ;done

PORT_VNC=$((${num}+1))

echo "[$(date +%Y-%m-%d-%H:%M:%S)] $$.............PORT_VNC:${PORT_VNC}" >> {LOG_FILE}

VNC_PORT=$(grep "autoport" ${XML_CONFIG_PATH}/${DIRE_SERVER}.xml|awk '{print $3}')

sed -i "s%${VNC_PORT}%port='${PORT_VNC}'%"  ${XML_CONFIG_PATH}/${DIRE_SERVER}.xml

#Display  virt server  config

echo -e "\033[32m #--------------------------------------------------#  \033[0m"

echo -n "HOSTNAME="

echo -e "\033[32m ${HOST_NAME}  \033[0m"

echo -n "IPADDR="

echo -e "\033[32m ${IP_ADDRESS} \033[0m"

echo -n "VNCPORT="

echo -e "\033[32m ${PORT_VNC} \033[0m"

#啟動克隆完畢的虛拟機