From cd054f3e4ff692cff13bb24cf348b0d7530e3b42 Mon Sep 17 00:00:00 2001
From: root <root@localhost.localdomain>
Date: Mon, 15 Aug 2022 07:44:43 +0800
Subject: [PATCH] =?UTF-8?q?=E6=8F=90=E4=BA=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 control/VMHost.sh      | 122 +++++++++++++++++++++++++++++++++++++++++
 control/VMTemplate.sh  |  26 +++++++++
 template/template.conf |  13 +++++
 template/template.xml  | 106 +++++++++++++++++++++++++++++++++++
 vdisks/.qcow2          | Bin 0 -> 197120 bytes
 5 files changed, 267 insertions(+)
 create mode 100644 control/VMHost.sh
 create mode 100644 control/VMTemplate.sh
 create mode 100644 template/template.conf
 create mode 100644 template/template.xml
 create mode 100644 vdisks/.qcow2

diff --git a/control/VMHost.sh b/control/VMHost.sh
new file mode 100644
index 0000000..9d93954
--- /dev/null
+++ b/control/VMHost.sh
@@ -0,0 +1,122 @@
+#!/usr/bin/bash
+<<!
+editor : NewRain
+date   : 2022-08-14
+for kvm virtual machine
+!
+
+# 脚本控制区域
+
+MAIN_PATH=$(cd $(dirname $0); cd ..; pwd)
+CONTROL_PATH=$MAIN_PATH/control
+MOUNT_PATH=$MAIN_PATH/mount
+VDISKS_PATH=$MAIN_PATH/vdisks 
+TEMPLATE_IMAGE_NAME="template.qcow2"
+TEMPLATE_CONFIG_NAME="template.xml"
+TEMPLATE_NETWORK_NAME="template.conf"
+TEMPLATE_PATH=$MAIN_PATH/template
+CONFIG_PATH=/etc/libvirt/qemu
+
+ERROR_INFO='
+"Usage: $0 [OPTION]..."\n
+ \t   -h, --help                            \t查看帮助"\n
+ \t   -a, --address                         \t虚拟机的IP地址"\n
+ \t   -p, --port                            \t虚拟机的VNC端口"\n
+ \t   -n, --name                            \t虚拟机的名称"\n
+ \t   -c, --cpus                            \t选填,虚拟机的CPU数量,默认为1"\n
+ \t   -m, --memory                          \t选填,虚拟机的内存大小,单位M,默认为512M"\n
+'
+
+options=$(getopt -l "help,address:,port:,name:,cpus::,memory::" -o "a:p:n:c:m:" -a -- "$@")
+if [ $# -lt 1 ];then
+    echo -e $ERROR_INFO
+    exit 0
+fi
+eval set -- "$options"
+
+while true
+do
+    case "$1" in
+        -h|--help)
+            echo -e $ERROR_INFO
+            exit
+            ;;
+        -a|--address)
+            shift
+            ping -c 2 -w 1 $1 &>/dev/null
+            if [ $? -eq 0 ]; then
+                echo "IP地址已被使用，请更换"
+                exit 1
+            fi
+            KVM_ADDRESS=$1
+            shift
+            ;;
+        -p|--port)
+            shift
+            ss -tnlp | grep :$1 &>/dev/null
+            if [ $? -eq 0 ]; then
+                echo "端口已被使用，请更换"
+                exit 1
+            fi
+            KVM_PORT=$1
+            shift
+            ;;
+        -n|--name)
+            shift
+            virsh list --all | awk '{print $2}' | grep -E "^$1$" &>/dev/null
+            if [ $? -eq 0 ]; then
+                echo "名称已被使用，请更换"
+                exit 1
+            fi
+            VM_HOSTNAME=$1
+            shift
+            ;;
+        -c|--cpus)
+            shift
+            cpus=`lscpu | awk '/^CPU\(s\):/{print $2}'`
+            vmcpus=${1:-"1"}
+            if [ $vmcpus -ge $cpus ]; then
+                echo "CPU数量不能大于系统的CPU数量,宿主机cpu数量为：$cpus"
+                exit 1
+            fi
+            KVM_CPUS=$vmcpus
+            shift
+            ;;
+        -m|--memory)
+            shift
+            vmmemory=${1:-"512"}
+            memory=`free -m | awk '/^Mem:/{print $2}'`
+            if [ $vmmemory -ge $memory ]; then
+                echo "内存不能大于系统的内存,宿主机内存为：$memory"
+                exit 1
+            fi
+            KVM_MEMORY=`echo $vmmemory | grep -o -P '\d+'`
+            shift
+            ;;
+        --)
+            shift
+            break
+            ;;
+        *)
+            echo "参数错误!"
+            exit 1
+            ;;
+    esac
+done
+qemu-img create -f qcow2 -b ${TEMPLATE_PATH}/${TEMPLATE_IMAGE_NAME} ${VDISKS_PATH}/${VM_HOSTNAME}.qcow2
+guestmount -a ${VDISKS_PATH}/${VM_HOSTNAME}.qcow2 -m /dev/centos/root ${MOUNT_PATH}
+/usr/bin/cp -f ${TEMPLATE_PATH}/${TEMPLATE_NETWORK_NAME} ${MOUNT_PATH}/etc/sysconfig/network-scripts/ifcfg-eth0
+sed -ri "s/^IPADDR.*/IPADDR=${KVM_ADDRESS}/" ${MOUNT_PATH}/etc/sysconfig/network-scripts/ifcfg-eth0
+sed -ri "s/^GATEWAY.*/GATEWAY=${KVM_ADDRESS%.*}.1/" ${MOUNT_PATH}/etc/sysconfig/network-scripts/ifcfg-eth0
+sed -ri "s/.*/${VM_HOSTNAME}/" ${MOUNT_PATH}/etc/hostname
+guestunmount ${MOUNT_PATH}
+
+cp ${TEMPLATE_PATH}/${TEMPLATE_CONFIG_NAME} ${CONFIG_PATH}/${VM_HOSTNAME}.xml
+sed -ri "s/VM_NAME/${VM_HOSTNAME}/" ${CONFIG_PATH}/${VM_HOSTNAME}.xml
+sed -ri "s/VM_VNC_PORT/${KVM_PORT}/" ${CONFIG_PATH}/${VM_HOSTNAME}.xml
+sed -ri "s#IMAGE_PATH#${VDISKS_PATH}/${VM_HOSTNAME}.qcow2#" ${CONFIG_PATH}/${VM_HOSTNAME}.xml
+sed -ri "s/VM_UUID/`uuidgen`/" ${CONFIG_PATH}/${VM_HOSTNAME}.xml
+sed -ri "s/VM_MEMORY/$[${KVM_MEMORY} * 1024 ]/" ${CONFIG_PATH}/${VM_HOSTNAME}.xml
+sed -ri "s/VM_CPUS/${KVM_CPUS}/" ${CONFIG_PATH}/${VM_HOSTNAME}.xml
+virsh define ${CONFIG_PATH}/${VM_HOSTNAME}.xml
+virsh start ${VM_HOSTNAME}
diff --git a/control/VMTemplate.sh b/control/VMTemplate.sh
new file mode 100644
index 0000000..27a1050
--- /dev/null
+++ b/control/VMTemplate.sh
@@ -0,0 +1,26 @@
+#!/usr/bin/bash
+
+# editor : NewRain
+# date   : 2020-08-14
+# for kvm virtual machine template
+
+MAIN_PATH=$(cd $(dirname $0); cd ..; pwd)
+IMAGE_PATH=/tmp/CentOS-7-x86_64-Minimal-2009.iso
+VM_CPUS=1
+VM_TEMPLATE_NAME=template
+VM_MEMORY=2050 # 不能低于2G,单位为M
+VM_DISK_SIZE=5 # 单位为G
+VM_DISK_PATH=${MAIN_PATH}/template/${VM_TEMPLATE_NAME}.qcow2
+
+cpus=`lscpu | awk '/^CPU\(s\):/{print $2}'`
+if [ $VM_CPUS -ge $cpus ]; then
+    echo "CPU数量不能大于系统的CPU数量,宿主机cpu数量为：$cpus"
+    exit 1
+fi
+memory=`free -m | awk '/^Mem:/{print $2}'`
+if [ $VM_MEMORY -ge $memory ]; then
+    echo "内存不能大于系统的内存,宿主机内存为：$memory"
+    exit 1
+fi
+
+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
\ No newline at end of file
diff --git a/template/template.conf b/template/template.conf
new file mode 100644
index 0000000..e737b40
--- /dev/null
+++ b/template/template.conf
@@ -0,0 +1,13 @@
+TYPE="Ethernet"
+PROXY_METHOD="none"
+BROWSER_ONLY="no"
+BOOTPROTO="static"
+DEFROUTE="yes"
+IPV4_FAILURE_FATAL="no"
+DEVICE="eth0"
+ONBOOT="yes"
+IPADDR=
+PREFIX=24
+GATEWAY=
+DNS1=114.114.114.114
+DNS2=8.8.8.8
diff --git a/template/template.xml b/template/template.xml
new file mode 100644
index 0000000..cad4750
--- /dev/null
+++ b/template/template.xml
@@ -0,0 +1,106 @@
+<!--
+WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
+OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
+  virsh edit template
+or other application using the libvirt API.
+-->
+
+<domain type='kvm'>
+  <name>VM_NAME</name>
+  <uuid>VM_UUID</uuid>
+  <memory unit='KiB'>VM_MEMORY</memory>
+  <currentMemory unit='KiB'>VM_MEMORY</currentMemory>
+  <vcpu placement='static'>VM_CPUS</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc-i440fx-rhel7.0.0'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+  </features>
+  <cpu mode='custom' match='exact' check='partial'>
+    <model fallback='allow'>Broadwell-noTSX-IBRS</model>
+    <feature policy='require' name='md-clear'/>
+    <feature policy='require' name='spec-ctrl'/>
+    <feature policy='require' name='ssbd'/>
+  </cpu>
+  <clock offset='utc'>
+    <timer name='rtc' tickpolicy='catchup'/>
+    <timer name='pit' tickpolicy='delay'/>
+    <timer name='hpet' present='no'/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <pm>
+    <suspend-to-mem enabled='no'/>
+    <suspend-to-disk enabled='no'/>
+  </pm>
+  <devices>
+    <emulator>/usr/libexec/qemu-kvm</emulator>
+    <disk type='file' device='disk'>
+      <driver name='qemu' type='qcow2'/>
+      <source file='IMAGE_PATH'/>
+      <target dev='vda' bus='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
+    </disk>
+    <disk type='file' device='cdrom'>
+      <driver name='qemu' type='raw'/>
+      <target dev='hda' bus='ide'/>
+      <readonly/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='usb' index='0' model='ich9-ehci1'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x7'/>
+    </controller>
+    <controller type='usb' index='0' model='ich9-uhci1'>
+      <master startport='0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='usb' index='0' model='ich9-uhci2'>
+      <master startport='2'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x1'/>
+    </controller>
+    <controller type='usb' index='0' model='ich9-uhci3'>
+      <master startport='4'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <controller type='ide' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+    </controller>
+    <controller type='virtio-serial' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
+    </controller>
+    <interface type='network'>
+      <source network='default'/>
+      <model type='virtio'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </interface>
+    <serial type='pty'>
+      <target type='isa-serial' port='0'>
+        <model name='isa-serial'/>
+      </target>
+    </serial>
+    <console type='pty'>
+      <target type='serial' port='0'/>
+    </console>
+    <channel type='unix'>
+      <target type='virtio' name='org.qemu.guest_agent.0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='1'/>
+    </channel>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='vnc' port='VM_VNC_PORT' autoport='no' listen='0.0.0.0'>
+      <listen type='address' address='0.0.0.0'/>
+    </graphics>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>
+    </memballoon>
+    <rng model='virtio'>
+      <backend model='random'>/dev/urandom</backend>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>
+    </rng>
+  </devices>
+</domain>
diff --git a/vdisks/.qcow2 b/vdisks/.qcow2
new file mode 100644
index 0000000000000000000000000000000000000000..ca52e67826db3e9f051d952f2999d6858f779073
GIT binary patch
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