Instance mix create returns NoneType exception

[fitzgeraldsteele]

This is autogenerated. Please review and update as needed.

Describe the bug

Trying to create vmss with instance mix

Command Name az vmss create

Errors:

'NoneType' object has no attribute 'get'

To Reproduce:

Steps to reproduce the behavior. Note that argument values have been redacted, as they may contain sensitive information.

• Put any pre-requisite steps here...
• az vmss create --resource-group {} --name {} --image {} --instance-count {} --vm-sku {} --skuprofile-vmsizes {} {} {} --skuprofile-allocation-strategy {} --zones {} {} {} --orchestration-mode {} --platform-fault-domain-count {} --admin-username {} --generate-ssh-keys --output {}

Expected Behavior

successful create of vmss

Environment Summary

Windows-11-10.0.26100-SP0
Python 3.12.10
Installer: MSI

azure-cli 2.74.0

Extensions:
kusto 0.5.0

Dependencies:
msal 1.32.3
azure-mgmt-resource 23.3.0

Additional Context

[yonzhan]

Thank you for opening this issue, we will look into it.

[fitzgeraldsteele]

It seems like it is only an issue when I specify vmss with instance mix with zones. This command worked, for example:

az vmss create --resource-group testdel --name vmss-zone-test-3 --image Ubuntu2204 --vm-sku Mix --skuprofile-vmsizes Standard_D2s_v3 Standard_D2s_v5 Standard_D2as_v4

[fitzgeraldsteele]

@brittanyrowe FYI