魏衡，微软云资深架构师，国内Azure最早的架构师之一。
Azure的ARM（Azure资源管理器）模式可以通过Json的模板创建VM（虚拟机）。本文以Cisco的CSR的image为例，介绍如何用Json创建VM。
一、Cisco CSR的Image
首先把Cisco CSR的image复制到一个存储账户中：
https://xxxx.blob.core.chinacloudapi.cn/image/CSR_3_16_4aS_CCO.vhd
创建VM的vhd文件也需要在这个存储账户中。
二、获得Json模板
在Github上找到From user image create VM的Json模板：
https://github.com/Azure/azure-quickstart-templates/tree/master/101-vm-from-user-image
把azuredeploy.json文件保存到本地：
为d:\from_image.json文件。由于Global Azure的Disk目前已经prefer使用Management Disk了，Github上的template已经改成MD的template。
下面是采用普通存储账户的Json Template：
{
"$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"customVmName": {
"type": "string",
"metadata": {
"description": "This is the name of the your VM"
}
},
"userImageStorageAccountName": {
"type": "string",
"metadata": {
"description": "This is the name of the your storage account"
}
},
"userImageStorageAccountResourceGroupName": {
"type": "string",
"metadata": {
"description": "Resource group of the existing storage account"
}
},
"osDiskVhdUri": {
"type": "string",
"metadata": {
"description": "Uri of the your user image"
}
},
"dnsLabelPrefix": {
"type": "string",
"metadata": {
"description": "DNS Label for the Public IP. Must be lowercase. It should match with the following regular expression: ^[a-z][a-z0-9-]{1,61}[a-z0-9]$ or it will raise an error."
}
},
"adminUserName": {
"type": "string",
"metadata": {
"description": "User Name for the Virtual Machine"
}
},
"adminPassword": {
"type": "securestring",
"metadata": {
"description": "Password for the Virtual Machine"
}
},
"osType": {
"type": "string",
"allowedValues": [
"Windows",
"Linux"
],
"metadata": {
"description": "This is the OS that your VM will be running"
}
},
"vmSize": {
"type": "string",
"metadata": {
"description": "This is the size of your VM"
}
},
"newOrExistingVnet": {
"allowedValues": [ "new", "existing" ],
"type": "string",
"metadata": {
"description": "Select if this template needs a new VNet or will reference an existing VNet"
}
},
"newOrExistingVnetName": {
"type": "string",
"defaultValue": "",
"metadata": {
"description": "New or Existing VNet Name"
}
},
"newOrExistingSubnetName": {
"type": "string",
"metadata": {
"description": "New or Existing subnet Name"
}
},
"existingVnetResourceGroupName": {
"type": "string",
"metadata": {
"description": "Resource group of the existing VNET"
}
}
},
"variables": {
"publicIPAddressName": "[concat(parameters('customVmName'),'IP')]",
"vmName": "[parameters('customVmName')]",
"nicName": "[concat(parameters('customVmName'),'Nic')]",
"publicIPAddressType": "Dynamic",
"apiVersion": "2015-06-15",
"templatelink": "[concat('https://raw.githubusercontent.com/singhkay/azure-quickstart-templates/master/101-vm-from-user-image/',parameters('newOrExistingVnet'),'vnet.json')]"
},
"resources": [
{
"apiVersion": "2015-01-01",
"name": "vnet-template",
"type": "Microsoft.Resources/deployments",
"properties": {
"mode": "incremental",
"templateLink": {
"uri": "[variables('templatelink')]",
"contentVersion": "1.0.0.0"
},
"parameters": {
"virtualNetworkName": {
"value": "[parameters('newOrExistingVnetName')]"
},
"subnetName": {
"value": "[parameters('newOrExistingSubnetName')]"
},
"existingVnetResourceGroupName": {
"value": "[parameters('existingVnetResourceGroupName')]"
}
}
}
},
{
"apiVersion": "[variables('apiVersion')]",
"type": "Microsoft.Network/publicIPAddresses",
"name": "[variables('publicIPAddressName')]",
"location": "[resourceGroup().location]",
"properties": {
"publicIPAllocationMethod": "[variables('publicIPAddressType')]",
"dnsSettings": {
"domainNameLabel": "[parameters('dnsLabelPrefix')]"
}
}
},
{
"apiVersion": "2016-03-30",
"type": "Microsoft.Network/networkInterfaces",
"name": "[variables('nicName')]",
"location": "[resourceGroup().location]",
"dependsOn": [
"[concat('Microsoft.Network/publicIPAddresses/', variables('publicIPAddressName'))]",
"Microsoft.Resources/deployments/vnet-template"
],
"properties": {
"ipConfigurations": [
{
"name": "ipconfig1",
"properties": {
"privateIPAllocationMethod": "Dynamic",
"publicIPAddress": {
"id": "[resourceId('Microsoft.Network/publicIPAddresses',variables('publicIPAddressName'))]"
},
"subnet": {
"id": "[reference('vnet-template').outputs.subnet1Ref.value]"
}
}
}
]
}
},
{
"apiVersion": "[variables('apiVersion')]",
"type": "Microsoft.Compute/virtualMachines",
"name": "[variables('vmName')]",
"location": "[resourceGroup().location]",
"dependsOn": [
"[concat('Microsoft.Network/networkInterfaces/', variables('nicName'))]"
],
"properties": {
"hardwareProfile": {
"vmSize": "[parameters('vmSize')]"
},
"osProfile": {
"computerName": "[variables('vmName')]",
"adminUsername": "[parameters('adminUsername')]",
"adminPassword": "[parameters('adminPassword')]"
},
"storageProfile": {
"osDisk": {
"name": "[concat(variables('vmName'),'-osDisk')]",
"osType": "[parameters('osType')]",
"caching": "ReadWrite",
"createOption": "FromImage",
"image": {
"uri": "[parameters('osDiskVhdUri')]"
},
"vhd": {
"uri": "[concat(reference(resourceId(parameters('userImageStorageAccountResourceGroupName'), 'Microsoft.Storage/storageAccounts/', parameters('userImageStorageAccountName')), variables('apiVersion')).primaryEndpoints.blob, 'vhds/',variables('vmName'), uniquestring(resourceGroup().id), 'osDisk.vhd')]"
}
}
},
"networkProfile": {
"networkInterfaces": [
{
"id": "[resourceId('Microsoft.Network/networkInterfaces',variables('nicName'))]"
}
]
},
"diagnosticsProfile": {
"bootDiagnostics": {
"enabled": "true",
"storageUri": "[concat(reference(resourceId(parameters('userImageStorageAccountResourceGroupName'), 'Microsoft.Storage/storageAccounts/', parameters('userImageStorageAccountName')), variables('apiVersion')).primaryEndpoints.blob)]"
}
}
}
}
]
}
三、通过模板创建Cisco CSR虚拟机
登录Azure 门户；
在New中搜索template；
如上图所示，点击Template Deployment。这里需要注意的是，目前必须是英文版本才可以使用这个功能。
导入template；
把刚刚的Json Template上传。
填写相应的Parameters；
根据实际值，填写相应的参数。需要注意的是Resource Group和Storage Account都要和image所在的Storage Account相同。
Legal Terms；
把Legal Terms相应的内容填写完整：
然后点击create，创建VM。
四、登录创建的Cisco CSR router；
Connecting to 42.159.203.233:22...
Connection established.
To escape to local shell, press Ctrl+Alt+].
hengweicisco#sh runn
Building configuration...
Current configuration : 1294 bytes
!
! Last configuration change at 10:21:56 UTC Mon Apr 24 2017
!
version 15.5
service timestamps debug datetime msec
service timestamps log datetime msec
no platform punt-keepalive disable-kernel-core
platform console virtual
!
hostname hengweicisco
!
boot-start-marker
boot-end-marker
!
logging persistent size 1000000 filesize 8192 immediate
!
aaa new-model
!
aaa authentication login default local
aaa authorization exec default local none
!
aaa session-id common
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