Add selective shutdown

New -s/--service flag for shutdown, to select a single service for shutdown if required

domino_maintenance_mode/cli.py

@@ -102,6 +102,18 @@ async def _async_snapshot(output, **kwargs):
     json.dump(state, output)
 
 
+def validate_services(ctx, param, value):
+    if not value:
+        return None
+    elif value not in __get_execution_interfaces().keys():
+        raise click.BadParameter(
+            "Services must be one of "
+            f"{list(__get_execution_interfaces().keys())}"
+        )
+    else:
+        return value
+
+
 @click.command()
 @click.argument("snapshot", type=click.File("r"))
 @click.option(
@@ -138,17 +150,31 @@ async def _async_snapshot(output, **kwargs):
     default=600,
     help="Amount of time to wait for executions to complete.",
 )
+@click.option(
+    "-s",
+    "--service",
+    type=str,
+    help="(Optional) Service to shutdown. Options are: "
+    f"{list(__get_execution_interfaces().keys())}",
+    callback=validate_services,
+)
 def shutdown(snapshot, **kwargs):
     """Stop running Apps, Model APIs, Durable Workspaces, and Scheduled Jobs.
 
     SNAPSHOT : The path to snapshot output from 'dmm snapshot'.
     """
     state = __load_state(snapshot)
     manager = Manager(**kwargs)
-    for interface in __get_execution_interfaces().values():
+    if manager.get_service():
+        interface = __get_execution_interfaces()[manager.get_service()]
         executions = state[interface.singular()]
         if len(executions) > 0:
             manager.stop(interface, executions)
+    else:
+        for interface in __get_execution_interfaces().values():
+            executions = state[interface.singular()]
+            if len(executions) > 0:
+                manager.stop(interface, executions)
 
 
 cli.add_command(shutdown)

domino_maintenance_mode/manager.py

@@ -28,6 +28,7 @@ class Manager:
 
     def __init__(
         self,
+        service: str = None,
         batch_size: int = 5,
         batch_interval_s: int = 5,
         max_failures: int = 5,
@@ -37,6 +38,10 @@ def __init__(
         self.batch_interval_s = batch_interval_s
         self.grace_period_s = grace_period_s
         self.max_failures = max_failures
+        self.service = service
+
+    def get_service(self):
+        return self.service
 
     def stop(self, interface: ExecutionInterface, executions: List[Execution]):
         self.__toggle_executions(