{Compute} Add resiliency view command and argument

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

@@ -2599,6 +2599,13 @@
     crafted: true
 """
 
+helps['vmss list-instances'] = """
+type: command
+short-summary: List all virtual machines in a VM scale sets.
+long-summary: Return a list of virtual machines managed by VMSS. For VMSS in Flexible Orchestration mode,
+        please use "az vm list" to get full details.
+"""
+
 helps['vmss reimage'] = """
 type: command
 short-summary: Reimage VMs within a VMSS.

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

@@ -910,6 +910,20 @@ def load_arguments(self, _):
     with self.argument_context('vmss set-orchestration-service-state') as c:
         c.argument('service_name', arg_type=get_enum_type(OrchestrationServiceNames), help='The name of the orchestration service.')
         c.argument('action', arg_type=get_enum_type(OrchestrationServiceStateAction), help='The action to be performed.')
+
+    with self.argument_context('vmss list-instances') as c:
+        c.argument('virtual_machine_scale_set_name', id_part='virtual_machine_scale_set_name', required=True, options_list=["-n", "--name", "--virtual-machine-scale-set-name"],
+                   help='The name of the VM scale set.')
+        c.argument('expand', help="The expand expression to apply to the operation. Allowed values are 'instanceView'.")
+        c.argument('filter', help="The filter to apply to the operation. Allowed values are 'startswith(instanceView/statuses/code, 'PowerState') eq true', 'properties/latestModelApplied eq true', 'properties/latestModelApplied eq false'.")
+        c.argument('select', help="The list parameters. Allowed values are 'instanceView', 'instanceView/statuses'.")
+        c.argument('resiliency_view', action='store_true', help="Show resiliency status of each instance.")
+        c.argument('pagination_limit', options_list=['--max-items'], type=int, arg_group="Pagination",
+                   help="Total number of items to return in the command's output. If the total number of items available is "
+                        "more than the value specified, a token is provided in the command's output. To resume pagination, "
+                        "provide the token value in `--next-token` argument of a subsequent command.")
+        c.argument('pagination_token', options_list=['--next-token'], arg_group="Pagination",
+                   help="Token to specify where to start paginating. This is the token value from a previously truncated response.")
     # endregion
 
     # region VM & VMSS Shared

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

@@ -418,6 +418,7 @@ def load_command_table(self, _):
         g.custom_command('get-instance-view', 'get_vmss_instance_view', table_transformer='{ProvisioningState:statuses[0].displayStatus, PowerState:statuses[1].displayStatus}')
         g.custom_command('list-instance-connection-info', 'list_vmss_instance_connection_info')
         g.custom_command('list-instance-public-ips', 'list_vmss_instance_public_ips')
+        g.custom_command('list-instances', 'get_instances_list')
         g.custom_command('reimage', 'reimage_vmss', supports_no_wait=True, min_api='2017-03-30')
         g.custom_command('restart', 'restart_vmss', supports_no_wait=True)
         g.custom_command('scale', 'scale_vmss', supports_no_wait=True)
@@ -432,8 +433,8 @@ def load_command_table(self, _):
         self.command_table['vmss list'] = VMSSList(loader=self,
                                                    table_transformer=transform_vmss_list_with_zones_table_output)
 
-        from .operations.vmss import VMSSListInstances
-        self.command_table['vmss list-instances'] = VMSSListInstances(loader=self)
+        from .operations.vmss_vms import VMSSGetResiliencyView
+        self.command_table['vmss get-resiliency-view'] = VMSSGetResiliencyView(loader=self)
 
     with self.command_group('vmss diagnostics', compute_vmss_sdk) as g:
         g.custom_command('set', 'set_vmss_diagnostics_extension')

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

@@ -4109,6 +4109,33 @@ def get_vmss_modified_by_aaz(cmd, resource_group_name, name, instance_id=None, s
     return vmss
 
 
+def get_instances_list(cmd, resource_group_name, virtual_machine_scale_set_name, expand=None, filter=None,
+                       select=None, pagination_limit=None, pagination_token=None, resiliency_view=False, **kwargs):
+    get_list_args = kwargs
+    get_list_args['resource_group'] = resource_group_name
+    get_list_args['virtual_machine_scale_set_name'] = virtual_machine_scale_set_name
+    get_list_args['expand'] = expand
+    get_list_args['filter'] = filter
+    get_list_args['select'] = select
+    get_list_args['pagination_limit'] = pagination_limit
+    get_list_args['pagination_token'] = pagination_token
+
+    from .operations.vmss import VMSSListInstances
+    instances = VMSSListInstances(cli_ctx=cmd.cli_ctx)(command_args=get_list_args)
+
+    if not resiliency_view:
+        return instances
+
+    instances_id = [instance['instanceId'] for instance in instances]
+
+    from .operations.vmss_vms import VMSSGetResiliencyView
+    return [VMSSGetResiliencyView(cli_ctx=cmd.cli_ctx)(command_args={
+        'instance_id': instance_id,
+        'resource_group': resource_group_name,
+        'vm_scale_set_name': virtual_machine_scale_set_name,
+    }) for instance_id in instances_id]
+
+
 def get_vmss_instance_view(cmd, resource_group_name, vm_scale_set_name, instance_id=None):
     client = _compute_client_factory(cmd.cli_ctx)
     if instance_id:

src/azure-cli/azure/cli/command_modules/vm/operations/vmss_vms.py

@@ -5,7 +5,7 @@
 # pylint: disable=no-self-use, line-too-long, protected-access, too-few-public-methods, unused-argument, too-many-statements, too-many-branches, too-many-locals
 from knack.log import get_logger
 
-from azure.cli.core.aaz import AAZUndefined, has_value
+from azure.cli.core.aaz import AAZUndefined, has_value, register_command
 from ..aaz.latest.vmss.vms import Create as _VMSSVMSCreate, Show as _VMSSVMSShow
 
 logger = get_logger(__name__)
@@ -66,6 +66,27 @@ def _output(self, *args, **kwargs):
         return result
 
 
+@register_command(
+    "vmss get-resiliency-view",
+)
+class VMSSGetResiliencyView(_VMSSVMSShow):
+    """View the resiliency status of a VMSS instance
+
+    :example: View the resiliency status of a VMSS instance.
+        az vmss get-resiliency-view --name MyScaleSet --resource-group MyResourceGroup --instance MyInstanceId
+    """
+    @classmethod
+    def _build_arguments_schema(cls, *args, **kwargs):
+        args_schema = super()._build_arguments_schema(*args, **kwargs)
+        args_schema.instance_id._options = ["--instance"]
+        args_schema.vm_scale_set_name._options = ["-n", "--name"]
+        args_schema.expand._registered = False
+        return args_schema
+
+    def pre_operations(self):
+        self.ctx.args.expand = 'resiliencyView'
+
+
 def convert_show_result_to_snake_case(result):
     new_result = {}
     if "instanceId" in result: