Resource Provider
CRP

Description of Feature or Work Requested
User experience:

If VMSS orchestrationMode = Flexible allow users to specify disk delete-Option for OS Disks and Data Disks

Add the following new parameters to CLI command az vmss create:

az vmss create --name
--resource-group
[--accelerated-networking {false, true}]
[--accept-term]
[--admin-password]
[--admin-username]
[--app-gateway]
[--app-gateway-capacity]
[--app-gateway-sku]
[--app-gateway-subnet-address-prefix]
[--asgs]
[--assign-identity]
[--authentication-type {all, password, ssh}]
[--automatic-repairs-action {Reimage, Replace, Restart}]
[--automatic-repairs-grace-period]
[--backend-pool-name]
[--backend-port]
[--capacity-reservation-group]
[--computer-name-prefix]
[--custom-data]
[--data-disk-caching]
[--data-disk-encryption-sets]
[--data-disk-iops]
[--data-disk-mbps]
[--data-disk-sizes-gb]
[--data-disk-delete-option] / accepted values are String Delete or Detach
[--os-disk-delete-option] / accepted values are String Delete or Detach**

New optional parameters:
data-disk-delete-option : this is a new optional parameter allowed only for VMSS using orchestrationMode= Flexible that allows configuring whether the VMSS Flex VM data disks will be deleted or detached upon VM deletion

os-disk-delete-option : this is a new optional parameter allowed only for VMSS using orchestrationMode= Flexible that allows configuring whether the VMSS Flex VM OS Disks will be deleted or detached upon VM deletion

deleteOption allowed values: Delete or Detach (or null, this is optional parameter)
Delete: Disk will be deleted when VM is deleted
Detach: Disk will be detached when VM is deleted

Minimum API Version Required
2022-03-01

Swagger Link
Azure/azure-rest-api-specs#18433 (PR has been merged)

Target Date
No specific target date but ideally should be available when the CRP 2022-03-01 API is available