Add get deploy mode action

Change-Id: I53af08a97c2ba2b4d07cc0778814985834fb4a27

kolla_cli/api/control_plane.py

@@ -208,3 +208,19 @@ class ControlPlaneApi(object):
         inventory = Inventory.load()
         inventory.set_deploy_mode(remote_mode)
         Inventory.save(inventory)
+
+    @staticmethod
+    def get_deploy_mode():
+        """Get deploy mode from either local or remote.
+
+        Local indicates that the openstack deployment will be
+        to the local host. Remote means that the deployment is
+        executed via ssh.
+
+        NOTE: local mode is not supported and should never be used
+        in production environments.
+        """
+        inventory = Inventory.load()
+        remote_mode = inventory.remote_mode
+        deploy_mode = 'remote' if remote_mode else 'local'
+        return deploy_mode

kolla_cli/commands/mode.py

@@ -56,3 +56,21 @@ class Setdeploy(Command):
             raise e
         except Exception:
             raise Exception(traceback.format_exc())
+
+
+class Getdeploy(Command):
+    """get deploy mode from either local or remote.
+
+    Local indicates that the openstack deployment will be
+    to the local host. Remote means that the deployment is
+    on remote hosts.
+    """
+
+    def take_action(self, parsed_args):
+        try:
+            mode = CLIENT.get_deploy_mode()
+            return mode
+        except CommandError as e:
+            raise e
+        except Exception:
+            raise Exception(traceback.format_exc())

setup.cfg

@@ -35,6 +35,7 @@ kolla.cli =
     deploy = kolla_cli.commands.kolla_action:Deploy
     dump = kolla_cli.commands.support:Dump
     genconfig = kolla_cli.commands.kolla_action:Genconfig
+    getdeploy = kolla_cli.commands.mode:Getdeploy
     group_add = kolla_cli.commands.group:GroupAdd
     group_addhost = kolla_cli.commands.group:GroupAddhost
     group_listhosts = kolla_cli.commands.group:GroupListhosts