【Azure Cloud Service】创建Azure云服务时遇见分配VM资源错误: VM(s) with the following constraints cannot be allocated, because the condition is too restrictive

2024-10-08 46

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简介： Allocation failed. VM(s) with the following constraints cannot be allocated, because the condition is too restrictive. Please remove some constraints and try again. Constraints applied are:\n - VM Size

问题描述

创建Azure Cloud Service 资源，遇见资源操作完成时的终端预配状态为Failed的信息。

创建失败，创建的错误日志截图如下：

详细的错误信息为：

{

"code":"DeploymentFailed",

"message":"At least one resource deployment operation failed. Please list deployment operations for details. Please see https://aka.ms/arm-deployment-operations for usage details.",

"details":[{"code":"OverconstrainedAllocationRequest","message":"Allocation failed. VM(s) with the following constraints cannot be allocated, because the condition is too restrictive. Please remove some constraints and try again. Constraints applied are:\n - VM Size\n"}]}

问题解答

错误信息中，提示部署Cloud Service(云服务)时，所选择的VM Size(Standard_D4)被限制，分配失败。因为Cloud Service(云服务)所支持的VM Size在不同的区域会有所变动，需要先通过如下的PowerShell脚本来检索可以使用的VM Size List。

Powershell脚本：

    # Update the location
    $location = 'ChinaNorth3'
    # Get all Compute Resource Skus
    $allSkus = Get-AzComputeResourceSku
    # Filter virtualMachine skus for given location
    $vmSkus = $allSkus.Where{$_.resourceType -eq 'virtualMachines' -and $_.LocationInfo.Location -like $location}
    # From filtered virtualMachine skus, select PaaS Skus
    $passVMSkus = $vmSkus.Where{$_.Capabilities.Where{$_.name -eq 'VMDeploymentTypes'}.Value.Contains("PaaS")}
    # Optional step to format and sort the output by Family
    $passVMSkus | Sort-Object Family, Name | Format-Table -Property Family, Name, Size