[Compute] az vm disk detach: Add parameter --force-detach to support force-detaching managed data disks from a VM

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

@@ -1821,6 +1821,9 @@
   - name: Detach a data disk from a VM.
     text: >
         az vm disk detach -g MyResourceGroup --vm-name MyVm --name disk_name
+  - name: Force detach a data disk from a VM.
+    text: >
+        az vm disk detach -g MyResourceGroup --vm-name MyVm --name disk_name --force-detach
 """
 
 helps['vm encryption'] = """

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

@@ -504,6 +504,7 @@ def load_arguments(self, _):
 
     with self.argument_context('vm disk detach') as c:
         c.argument('disk_name', arg_type=name_arg_type, help='The data disk name.')
+        c.argument('force_detach', action='store_true', min_api='2020-12-01', help='Force detach managed data disks from a VM.')
 
     with self.argument_context('vm encryption enable') as c:
         c.argument('encrypt_format_all', action='store_true', help='Encrypts-formats data disks instead of encrypting them. Encrypt-formatting is a lot faster than in-place encryption but wipes out the partition getting encrypt-formatted. (Only supported for Linux virtual machines.)')

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

@@ -388,7 +388,7 @@ def load_command_table(self, _):
 
     with self.command_group('vm disk', compute_vm_sdk, min_api='2017-03-30') as g:
         g.custom_command('attach', 'attach_managed_data_disk', validator=process_vm_disk_attach_namespace)
-        g.custom_command('detach', 'detach_data_disk')
+        g.custom_command('detach', 'detach_managed_data_disk')
 
     with self.command_group('vm encryption', custom_command_type=compute_disk_encryption_custom) as g:
         g.custom_command('enable', 'encrypt_vm', validator=process_disk_encryption_namespace)
@@ -446,7 +446,7 @@ def load_command_table(self, _):
 
     with self.command_group('vm unmanaged-disk', compute_vm_sdk) as g:
         g.custom_command('attach', 'attach_unmanaged_data_disk')
-        g.custom_command('detach', 'detach_data_disk')
+        g.custom_command('detach', 'detach_unmanaged_data_disk')
         g.custom_command('list', 'list_unmanaged_disks')
 
     with self.command_group('vm user', compute_vm_sdk, supports_no_wait=True) as g:

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

@@ -1916,8 +1916,8 @@ def attach_managed_data_disk(cmd, resource_group_name, vm_name, disk=None, ids=N
     set_vm(cmd, vm)
 
 
-def detach_data_disk(cmd, resource_group_name, vm_name, disk_name):
-    # here we handle both unmanaged or managed disk
+def detach_unmanaged_data_disk(cmd, resource_group_name, vm_name, disk_name):
+    # here we handle unmanaged disk
     vm = get_vm_to_update(cmd, resource_group_name, vm_name)
     # pylint: disable=no-member
     leftovers = [d for d in vm.storage_profile.data_disks if d.name.lower() != disk_name.lower()]
@@ -1928,6 +1928,32 @@ def detach_data_disk(cmd, resource_group_name, vm_name, disk_name):
 # endregion
 
 
+def detach_managed_data_disk(cmd, resource_group_name, vm_name, disk_name, force_detach=None):
+    # here we handle managed disk
+    vm = get_vm_to_update(cmd, resource_group_name, vm_name)
+    if not force_detach:
+        # pylint: disable=no-member
+        leftovers = [d for d in vm.storage_profile.data_disks if d.name.lower() != disk_name.lower()]
+        if len(vm.storage_profile.data_disks) == len(leftovers):
+            raise ResourceNotFoundError("No disk with the name '{}' was found".format(disk_name))
+    else:
+        DiskDetachOptionTypes = cmd.get_models('DiskDetachOptionTypes', resource_type=ResourceType.MGMT_COMPUTE,
+                                               operation_group='virtual_machines')
+        leftovers = vm.storage_profile.data_disks
+        is_contains = False
+        for d in leftovers:
+            if d.name.lower() == disk_name.lower():
+                d.to_be_detached = True
+                d.detach_option = DiskDetachOptionTypes.FORCE_DETACH
+                is_contains = True
+                break
+        if not is_contains:
+            raise ResourceNotFoundError("No disk with the name '{}' was found".format(disk_name))
+    vm.storage_profile.data_disks = leftovers
+    set_vm(cmd, vm)
+# endregion
+
+
 # region VirtualMachines Extensions
 def list_extensions(cmd, resource_group_name, vm_name):
     vm = get_vm(cmd, resource_group_name, vm_name)

src/azure-cli/azure/cli/command_modules/vm/tests/hybrid_2018_03_01/test_custom_vm_commands.py

@@ -16,7 +16,7 @@
                                                  _get_extension_instance_name,
                                                  get_boot_log)
 from azure.cli.command_modules.vm.custom import \
-    (attach_unmanaged_data_disk, detach_data_disk, get_vmss_instance_view)
+    (attach_unmanaged_data_disk, detach_unmanaged_data_disk, get_vmss_instance_view)
 
 from azure.cli.core import AzCommandsLoader
 from azure.cli.core.commands import AzCliCommand
@@ -206,7 +206,7 @@ def test_deattach_disk_on_vm(self, mock_vm_set, mock_vm_get_to_update):
         mock_vm_get_to_update.return_value = vm
 
         # execute
-        detach_data_disk(cmd, 'rg1', 'vm1', 'd1')
+        detach_unmanaged_data_disk(cmd, 'rg1', 'vm1', 'd1')
 
         # assert
         self.assertTrue(mock_vm_get_to_update.called)

src/azure-cli/azure/cli/command_modules/vm/tests/hybrid_2019_03_01/test_custom_vm_commands.py

@@ -16,7 +16,7 @@
                                                  _get_extension_instance_name,
                                                  get_boot_log)
 from azure.cli.command_modules.vm.custom import \
-    (attach_unmanaged_data_disk, detach_data_disk, get_vmss_instance_view)
+    (attach_unmanaged_data_disk, detach_unmanaged_data_disk, get_vmss_instance_view)
 
 from azure.cli.core import AzCommandsLoader
 from azure.cli.core.commands import AzCliCommand
@@ -206,7 +206,7 @@ def test_deattach_disk_on_vm(self, mock_vm_set, mock_vm_get_to_update):
         mock_vm_get_to_update.return_value = vm
 
         # execute
-        detach_data_disk(cmd, 'rg1', 'vm1', 'd1')
+        detach_unmanaged_data_disk(cmd, 'rg1', 'vm1', 'd1')
 
         # assert
         self.assertTrue(mock_vm_get_to_update.called)

src/azure-cli/azure/cli/command_modules/vm/tests/hybrid_2020_09_01/test_custom_vm_commands.py

@@ -16,7 +16,7 @@
                                                  _get_extension_instance_name,
                                                  get_boot_log)
 from azure.cli.command_modules.vm.custom import \
-    (attach_unmanaged_data_disk, detach_data_disk, get_vmss_instance_view)
+    (attach_unmanaged_data_disk, detach_unmanaged_data_disk, get_vmss_instance_view)
 
 from azure.cli.core import AzCommandsLoader
 from azure.cli.core.commands import AzCliCommand
@@ -218,7 +218,7 @@ def test_deattach_disk_on_vm(self, mock_vm_set, mock_vm_get_to_update):
         mock_vm_get_to_update.return_value = vm
 
         # execute
-        detach_data_disk(cmd, 'rg1', 'vm1', 'd1')
+        detach_unmanaged_data_disk(cmd, 'rg1', 'vm1', 'd1')
 
         # assert
         self.assertTrue(mock_vm_get_to_update.called)