Chr*_*wis 14 azure azure-resource-manager
我正在部署一个ARM模板,该模板使用复制资源块将一个或多个数据磁盘部署到VM.我想做的是将其更改为0或更多.
我使用的参数是
"VirtualMachineDiskSizeArray": {
"type": "array",
"defaultValue": [ "100" ]
},
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然后在资源中调用它:
"resources": [
{
"name": "[parameters('virtualMachineName')]",
"type": "Microsoft.Compute/virtualMachines",
"apiVersion": "2016-04-30-preview",
"location": "[parameters('rgLocation')]",
"dependsOn": [
"[concat('Microsoft.Storage/storageAccounts/', parameters('rgStorageAccountName'))]"
],
"properties": {
"osProfile": { ... },
"hardwareProfile": { ... },
"storageProfile": {
"imageReference": { ... },
"osDisk": { ... },
"copy": [
{
"name": "dataDisks",
"count": "[length(parameters('VirtualMachineDiskSizeArray'))]",
"input": {
"lun": "[copyIndex('dataDisks')]",
"name": "[concat(parameters('vmDataDiskNameStub'), add(copyIndex('dataDisks'),1), '.vhd')]",
"diskSizeGB": "[parameters('VirtualMachineDiskSizeArray')[copyIndex('dataDisks')]]",
"createOption": "Empty",
"vhd": {
"uri": "[concat(concat(reference(resourceId(parameters('rgName'), 'Microsoft.Storage/storageAccounts', parameters('rgStorageAccountName')), '2015-06-15').primaryEndpoints['blob'], 'vhds/'), concat(parameters('vmDataDiskNameStub'), add(copyIndex('dataDisks'),1), '.vhd') )]"
}
}
}
]
}
}
},
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但是,当我传入一个包含0个元素的数据磁盘数组时,我得到了这个错误,正如预期的那样:
Validation returned the following errors:
: Deployment template validation failed: 'The template 'copy' definition at line '0' and column '0' has an invalid copy count. The co
py count must be a postive integer value and cannot exceed '800'. Please see https://aka.ms/arm-copy for usage details.'.
Template is invalid.
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我想尝试以某种方式解决这个问题 - 我尝试在副本上添加一个条件:
"condition": "[ greater(length(parameters('VirtualMachineDiskSizeArray')), 0)]",
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但是那返回了同样的错误.
我正在研究嵌套模板,但这对于资源的一部分来说并不好看.
解决这个问题的最简单方法是使用:
{
"condition": "[if(equals(parameters('numberOfDataDisks'), 0), bool('false'), bool('true'))]",
"apiVersion": "2017-03-30",
"type": "Microsoft.Compute/virtualMachines",
"name": "[variables('vmName')]",
"location": "[resourceGroup().location]",
"properties": {
"storageProfile": {
"imageReference": { xxx },
"osDisk": { xxx },
"copy": [
{
"name": "dataDisks",
"count": "[if(equals(parameters('numberOfDataDisks'), 0), 1, parameters('numberOfDataDisks'))]",
"input": {
"diskSizeGB": "1023",
"lun": "[copyIndex('dataDisks')]",
"createOption": "Empty"
}
}
]
}
}
}
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这将解决您传递0个数据磁盘并同时不会部署此虚拟机的事实.您需要做的就是添加另一个vm资源.但它必须使用不同的名称(否则模板将失败),或者您可以使用嵌套模板来部署具有相同名称的vm.
这可以通过最近的if()
功能修复来改进,您也可以通过使用嵌套部署来解决
因此,出于时间考虑,我改变了对此的方法,但不太喜欢它......
我现在有两个部署 json 文件,VMDeploy.json
以及VMDeploy-NoDataDisks.json
.
除了 VM 资源的 storageProfile 部分之外,它们是相同的:
VMDeploy.json
:
"storageProfile": {
"imageReference": { ... },
"osDisk": { ... },
"copy": [
{
"name": "dataDisks",
"count": "[length(parameters('VirtualMachineDiskSizeArray'))]",
"input": {
"lun": "[copyIndex('dataDisks')]",
"name": "[concat(parameters('vmDataDiskNameStub'), add(copyIndex('dataDisks'),1), '.vhd')]",
"diskSizeGB": "[parameters('VirtualMachineDiskSizeArray')[copyIndex('dataDisks')]]",
"createOption": "Empty",
"vhd": {
"uri": "[concat(concat(reference(resourceId(parameters('rgName'), 'Microsoft.Storage/storageAccounts', parameters('rgStorageAccountName')), '2015-06-15').primaryEndpoints['blob'], 'vhds/'), concat(parameters('vmDataDiskNameStub'), add(copyIndex('dataDisks'),1), '.vhd') )]"
}
}
}
]
}
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VMDeploy-NoDataDisks.json
:
"storageProfile": {
"imageReference": { ... },
"osDisk": { ... },
"dataDisks": []
}
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我有一个 Powershell 块在两个 json 文件之间切换:
if ($DriveArray.Count -eq 0) {
$TemplateFile = $TemplateFile.Replace('.json','-NoDataDisks.json')
}
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