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#!/usr/bin/bash
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<<!
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editor : NewRain
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date : 2022-08-14
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for kvm virtual machine
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!
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MAIN_PATH=$(cd $(dirname $0); cd ..; pwd)
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IMAGE_PATH=/tmp/CentOS-7-x86_64-Minimal-2009.iso
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VM_CPUS=1
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VM_TEMPLATE_NAME=template
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VM_MEMORY=2050 # 不能低于2G,单位为M
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VM_DISK_SIZE=5 # 单位为G
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VM_DISK_PATH=${MAIN_PATH}/template/${VM_TEMPLATE_NAME}.qcow2
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cpus=`lscpu | awk '/^CPU\(s\):/{print $2}'`
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if [ $VM_CPUS -ge $cpus ]; then
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echo "CPU数量不能大于系统的CPU数量,宿主机cpu数量为：$cpus"
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exit 1
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fi
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memory=`free -m | awk '/^Mem:/{print $2}'`
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if [ $VM_MEMORY -ge $memory ]; then
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echo "内存不能大于系统的内存,宿主机内存为：$memory"
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exit 1
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fi
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virt-install --connect qemu:///system -n ${VM_TEMPLATE_NAME} -r ${VM_MEMORY} --disk path=${VM_DISK_PATH},size=${VM_DISK_SIZE} --os-type=linux --os-variant=centos7.0 --vcpus=${VM_CPUS} --location=${IMAGE_PATH} -x console=ttyS0 --nographics
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