[RDBMS] az postgres flexible-server backup create/delete: New comma…

…nds to support creating and deleting backups on PostgreSql Flex Server (#30197)

* Add on demand backups

* Trigger build

* add missing yes command

src/azure-cli/azure/cli/command_modules/rdbms/_helptext_pg.py

@@ -724,6 +724,16 @@
 short-summary: Manage flexible server backups.
 """
 
+helps['postgres flexible-server backup create'] = """
+type: command
+short-summary: Create a new backup for a flexible server.
+examples:
+  - name: >
+      Create a backup.
+    text: >
+      az postgres flexible-server backup create -g testgroup -n testsvr --backup-name testbackup
+"""
+
 helps['postgres flexible-server backup list'] = """
 type: command
 short-summary: List all the backups for a given server.
@@ -740,6 +750,14 @@
     text: az postgres flexible-server backup show -g testgroup -n testsvr --backup-name testbackup
 """
 
+helps['postgres flexible-server backup delete'] = """
+type: command
+short-summary: Delete a specific backup.
+examples:
+  - name: Delete a backup.
+    text: az postgres flexible-server backup delete -g testgroup -n testsvr --backup-name testbackup
+"""
+
 helps['postgres flexible-server replica'] = """
 type: group
 short-summary: Manage read replicas.

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

@@ -879,7 +879,7 @@ def _flexible_server_params(command_group):
                 c.argument('max_file_size', type=int, help='The file size limitation to filter files.')
 
         # backups
-        if command_group == 'mysql':
+        if command_group != 'mariadb':
             with self.argument_context('{} flexible-server backup create'.format(command_group)) as c:
                 c.argument('backup_name', options_list=['--backup-name', '-b'], help='The name of the new backup.')
 
@@ -889,6 +889,11 @@ def _flexible_server_params(command_group):
         with self.argument_context('{} flexible-server backup list'.format(command_group)) as c:
             c.argument('server_name', id_part=None, arg_type=server_name_arg_type)
 
+        if command_group == 'postgres':
+            with self.argument_context('{} flexible-server backup delete'.format(command_group)) as c:
+                c.argument('backup_name', options_list=['--backup-name', '-b'], help='The name of the new backup.')
+                c.argument('yes', arg_type=yes_arg_type)
+
         # identity
         with self.argument_context('{} flexible-server identity'.format(command_group)) as c:
             c.argument('server_name', id_part=None, options_list=['--server-name', '-s'], arg_type=server_name_arg_type)

src/azure-cli/azure/cli/command_modules/rdbms/flexible_server_commands.py

@@ -204,6 +204,8 @@ def load_flexibleserver_command_table(self, _):
                             client_factory=cf_postgres_flexible_backups) as g:
         g.command('list', 'list_by_server', transform=transform_backups_list)
         g.show_command('show', 'get', transform=transform_backup)
+        g.custom_command('create', 'backup_create_func', custom_command_type=flexible_servers_custom_postgres)
+        g.custom_command('delete', 'backup_delete_func', custom_command_type=flexible_servers_custom_postgres)
 
     with self.command_group('postgres flexible-server replica', postgres_flexible_replica_sdk) as g:
         g.command('list', 'list_by_server')

src/azure-cli/azure/cli/command_modules/rdbms/flexible_server_custom_postgres.py

@@ -1302,6 +1302,28 @@ def virtual_endpoint_update_func(client, resource_group_name, server_name, virtu
         parameters)
 
 
+def backup_create_func(client, resource_group_name, server_name, backup_name):
+    validate_resource_group(resource_group_name)
+
+    return client.begin_create(
+        resource_group_name,
+        server_name,
+        backup_name)
+
+
+def backup_delete_func(client, resource_group_name, server_name, backup_name, yes=False):
+    validate_resource_group(resource_group_name)
+
+    if not yes:
+        user_confirmation(
+            "Are you sure you want to delete the backup '{0}' in resource group '{1}'".format(backup_name, resource_group_name), yes=yes)
+
+    return client.begin_delete(
+        resource_group_name,
+        server_name,
+        backup_name)
+
+
 def flexible_server_approve_private_endpoint_connection(cmd, client, resource_group_name, server_name, private_endpoint_connection_name,
                                                         description=None):
     """Approve a private endpoint connection request for a server."""