[ACR] add 'private-link-resource list' command

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

@@ -1175,6 +1175,16 @@
 short-summary:  Delete a private endpoint connection request for a container registry
 long-summary: To create a private endpoint connection use "az network private-endpoint create". For more information see https://aka.ms/acr/private-link
 """
+
+helps['acr private-link-resource'] = """
+type: group
+short-summary: Manage registry private link resources.
+"""
+
+helps['acr private-link-resource list'] = """
+type: command
+short-summary: list the private link resources supported for a registry
+"""
 # endregion
 
 # region encryption

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

@@ -307,6 +307,9 @@ def load_command_table(self, _):  # pylint: disable=too-many-statements
         g.command('approve', 'approve')
         g.command('reject', 'reject')
 
+    with self.command_group('acr private-link-resource', acr_custom_util, is_preview=True) as g:
+        g.command('list', 'list_private_link_resources')
+
     with self.command_group('acr identity', acr_custom_util, is_preview=True) as g:
         g.command('show', 'show_identity')
         g.command('assign', 'assign_identity')

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

@@ -493,3 +493,8 @@ def _resolve_identity_client_id(cli_ctx, managed_identity_resource_id):
     res = parse_resource_id(managed_identity_resource_id)
     client = get_mgmt_service_client(cli_ctx, ManagedServiceIdentityClient, subscription_id=res['subscription'])
     return client.user_assigned_identities.get(res['resource_group'], res['name']).client_id
+
+
+def list_private_link_resources(cmd, client, registry_name, resource_group_name=None):
+    resource_group_name = get_resource_group_name_by_registry_name(cmd.cli_ctx, registry_name, resource_group_name)
+    return client.list_private_link_resources(resource_group_name, registry_name)