Issue with [AzureFleet] / API Version [2024-11-01] LinuxConfiguration/WindowsConfiguration could not be explicitly set to null

[sinbai]

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Service Used

azurefleet

API Versions Used

2024-11-01

Description

For the Azure Fleet API, when creating mixed-mode VMSS with Linux (configured through the baseVirtualMachineProfile in ComputeProfile) and Windows (configured through virtualMachineProfileOverride in AdditionalLocationsProfile), requires that the LinuxConfiguration in virtualMachineProfileOverride must be explicitly set to null. This behavior has been confirmed by the service team and is by design. Similarly, if the OS roles are switched, the WindowsConfiguration in virtualMachineProfileOverride must also be explicitly set to null.

Currently, if LinuxConfiguration is specified as nil in the above situation, the Terraform SDK would omite empty this property, causing the API to return error "The value of parameter linuxConfiguration is invalid". The behavior of the Terraform SDK prevents the Azure Fleet Feature from being onboarded to Terraform.

Expected: SDK supports explicitly specifying LinuxConfiguration/WindowsConfiguration as null value.

LinuxConfigurationin SDK model:

go-azure-sdk/resource-manager/azurefleet/2024-11-01/fleets/model_virtualmachinescalesetosprofile.go

Line 12 in 62208b6

LinuxConfiguration *LinuxConfiguration `json:"linuxConfiguration,omitempty"`

WindowsConfiguration in SDK model:

go-azure-sdk/resource-manager/azurefleet/2024-11-01/fleets/model_virtualmachinescalesetosprofile.go

Line 15 in 62208b6

WindowsConfiguration *WindowsConfiguration `json:"windowsConfiguration,omitempty"`

References

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