{Compute} az vmss scale: Migrate command to aaz-based implementation

src/azure-cli/azure/cli/command_modules/vm/commands.py

@@ -408,6 +408,7 @@ def load_command_table(self, _):
         g.custom_command('list-instances', 'get_instances_list')
         g.custom_command('reimage', 'reimage_vmss', supports_no_wait=True)
         g.custom_command('restart', 'restart_vmss', supports_no_wait=True)
+        g.custom_command('scale', 'scale_vmss', supports_no_wait=True)
 
     with self.command_group('vmss application', operation_group='virtual_machine_scale_sets') as g:
         g.custom_command('set', 'set_vmss_applications', validator=process_set_applications_namespace)
@@ -416,7 +417,6 @@ def load_command_table(self, _):
     with self.command_group('vmss', compute_vmss_sdk, operation_group='virtual_machine_scale_sets') as g:
         g.custom_command('create', 'create_vmss', transform=DeploymentOutputLongRunningOperation(self.cli_ctx, 'Starting vmss create'), supports_no_wait=True, table_transformer=deployment_validate_table_format, validator=process_vmss_create_namespace, exception_handler=handle_template_based_exception)
         g.custom_command('get-instance-view', 'get_vmss_instance_view', table_transformer='{ProvisioningState:statuses[0].displayStatus, PowerState:statuses[1].displayStatus}')
-        g.custom_command('scale', 'scale_vmss', supports_no_wait=True)
         g.custom_show_command('show', 'get_vmss', table_transformer=get_vmss_table_output_transformer(self, False))
         g.custom_command('stop', 'stop_vmss', supports_no_wait=True, validator=process_vm_vmss_stop)
         g.generic_update_command('update', getter_name='get_vmss_modified_by_aaz', setter_name='update_vmss', supports_no_wait=True, command_type=compute_custom, validator=validate_vmss_update_namespace)

src/azure-cli/azure/cli/command_modules/vm/custom.py

@@ -4562,19 +4562,34 @@ def restart_vmss(cmd, resource_group_name, vm_scale_set_name, instance_ids=None,
 
 # pylint: disable=inconsistent-return-statements
 def scale_vmss(cmd, resource_group_name, vm_scale_set_name, new_capacity, no_wait=False):
-    VirtualMachineScaleSet = cmd.get_models('VirtualMachineScaleSet')
-    client = _compute_client_factory(cmd.cli_ctx)
-    vmss = client.virtual_machine_scale_sets.get(resource_group_name, vm_scale_set_name)
-    # pylint: disable=no-member
-    if vmss.sku.capacity == new_capacity:
+    from .operations.vmss import VMSSCreate, VMSSShow
+    vmss = VMSSShow(cli_ctx=cmd.cli_ctx)(command_args={
+        'resource_group': resource_group_name,
+        'vm_scale_set_name': vm_scale_set_name
+    })
+    if vmss.get('sku', {}).get('capacity') == new_capacity:
         return
 
-    vmss.sku.capacity = new_capacity
-    vmss_new = VirtualMachineScaleSet(location=vmss.location, sku=vmss.sku)
-    if vmss.extended_location is not None:
-        vmss_new.extended_location = vmss.extended_location
-    return sdk_no_wait(no_wait, client.virtual_machine_scale_sets.begin_create_or_update,
-                       resource_group_name, vm_scale_set_name, vmss_new)
+    vmss_new = {
+        'resource_group': resource_group_name,
+        'vm_scale_set_name': vm_scale_set_name,
+        'no_wait': no_wait
+    }
+
+    if vmss.get('extended_location'):
+        vmss_new['extended_location'] = vmss['extendedLocation']
+
+    if vmss.get('location'):
+        vmss_new['location'] = vmss['location']
+
+    if vmss.get('sku'):
+        vmss_new['sku'] = vmss['sku']
+    else:
+        vmss_new['sku'] = {}
+
+    vmss_new['sku']['capacity'] = new_capacity
+
+    return VMSSCreate(cli_ctx=cmd.cli_ctx)(command_args=vmss_new)
 
 
 def stop_vmss(cmd, resource_group_name, vm_scale_set_name, instance_ids=None, no_wait=False, skip_shutdown=False):