#openstack centos6 centos7 kvm 镜像制作
openstack pike 集群高可用 安装部署 汇总 http://www.cnblogs.com/elvi/p/7613861.html
#openstack centos6 centos7 镜像制作 #################################### #KVM环境 yum install -y kvm virt-* libvirt bridge-utils qemu-img qemu-kvm-tools #创建KVm虚拟机 ########centos7 mini, ks kvname=centos6.9 ksname=c6op.ks ISO=CentOS-6.9-x86_64-bin-DVD1.iso # kvname=centos7.4 # ksname=c7op.ks # ISO=CentOS-7-x86_64-DVD-1708.iso qemu-img create -f qcow2 /kvm/img/$kvname.qcow2 2G virt-install --name $kvname --ram 1024 --vcpus 1 --os-type linux --os-variant rhel6 --arch=x86_64 --network network=default,model=virtio --disk path=/kvm/img/$kvname.qcow2,format=qcow2 --location /kvm/iso/$ISO --console pty,target_type=serial --initrd-inject=/kvm/iso/$ksname --extra-args="console=ttyS0,115200n8 serial ks=file:/$ksname" --graphics none #安装完成后,按键Ctrl + ] 退出kvm虚拟机 virsh destroy $kvname #强制关闭电源 cp /kvm/img/$kvname.qcow2{,.bak} #备份 ls -hl /kvm/img/$kvname* virsh start $kvname #开启 virsh console $kvname #登录 # #KS文件实例 # http://elven.vip/ks/openstack/c6op.ks # http://elven.vip/ks/openstack/c7op.ks #################################### #kvm 虚拟机配置 #更改root密码 echo 123321|passwd root --stdin # #时区配置# # #centos7 # rm -f /etc/localtime # ln -s /usr/share/zoneinfo/Asia/Shanghai /etc/localtime # ll /etc/localtime # #centos6 # echo ‘ZONE="Asia/Shanghai"‘>/etc/sysconfig/clock #使用阿里源# [[ `uname -r` == *el6* ]] && { Ve=6; } || { Ve=7; } curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-$Ve.repo curl -o /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-$Ve.repo sed -i ‘/aliyuncs.com/d‘ /etc/yum.repos.d/*.repo #删除阿里内网地址# yum clean all #安装 yum install -y acpid cloud-init cloud-utils jq parted qemu-guest-agent [[ `uname -r` == *el6* ]] && { yum install -y dracut-modules-growroot; } #cloud-int,开启root密码登录# sed -i ‘s/disable_root: 1/disable_root: 0/g‘ /etc/cloud/cloud.cfg sed -i ‘s/ssh_pwauth: 0/ssh_pwauth: 1/g‘ /etc/cloud/cloud.cfg #sed -i ‘s/name: centos/name: root/g‘ /etc/cloud/cloud.cfg #grub启动项添加console=ttyS0,115200n8,安装kvm时已配置# echo ‘NETWORKING=yes NOZEROCONF=yes‘>/etc/sysconfig/network #ssh配置# sed -i ‘s/^PasswordAu.*$/PasswordAuthentication yes/‘ /etc/ssh/sshd_config sed -i ‘s/^GSSAPIAuthentication yes/GSSAPIAuthentication no/‘ /etc/ssh/sshd_config sed -i ‘s/^#UseDNS.*$/UseDNS no/‘ /etc/ssh/sshd_config [[ $Ve = 6 ]] && { service sshd restart; } || { systemctl restart sshd; } #开机启动# [[ $Ve = 6 ]] && { chkconfig acpid on chkconfig cloud-init on chkconfig qemu-ga on sed -i ‘s/timeout=5/timeout=2/g‘ /boot/grub/grub.conf } || { systemctl enable acpid cloud-init qemu-guest-agent sed -i ‘s/timeout=5/timeout=2/g‘ /boot/grub2/grub.cfg } #根据需求,安装配置其它服务# #清理# yum clean all rm -rf /tmp/* rm -rf /root/* rm -f /var/log/wtmp /var/log/btmp >/var/log/cloud-init.log #删除网卡信息# sed -i ‘/HWADDR/d‘ /etc/sysconfig/network-scripts/ifcfg-eth* sed -i ‘/UUID/d‘ /etc/sysconfig/network-scripts/ifcfg-eth* #>/etc/sysconfig/network-scripts/ifcfg-eth* >/etc/udev/rules.d/7*.rules #清空历史记录 history -c poweroff #关机 #################################### #yum install libvirt libguestfs-tools #virsh destroy kvm #显示kvm所有虚拟机 virsh list --all #执行清理任务 virt-sysprep -d $kvname #压缩 #cd /kvm/img/ virt-sparsify --compress $kvname.qcow2 $kvname-.qcow2 ls -hl /kvm/img/$kvname* #################################### # #拷贝镜像 #上传glance镜像 #centos7 openstack image create "centos7.4" --file centos7.4-.qcow2 --disk-format qcow2 --container-format bare --property hw_qemu_guest_agent=yes --public # #centos6 openstack image create "centos6.9" --file centos6.9-.qcow2 --disk-format qcow2 --container-format bare --property hw_qemu_guest_agent=yes --public #################################### #kvm还原 virsh destroy $kvname rm -f $kvname.qcow2 $kvname-.qcow2 cp $kvname.qcow2.bak $kvname.qcow2 ls -hl $kvname* virsh start $kvname virsh console $kvname #################################### #提示 #openstack创建虚拟机后,重启VM根目录才自动扩容 lsblk #查看分区 #制作的镜像分享 #链接:https://pan.baidu.com/s/1nuPm75v 密码:3iu0 ####################################
时间: 2024-10-13 07:53:09