Added v4beta notices (#578)

Author: ezilber-akamai

linode_api4/groups/linode.py

@@ -299,6 +299,8 @@ def instance_create(
         :type placement_group: Union[InstancePlacementGroupAssignment, PlacementGroup, Dict[str, Any], int]
         :param maintenance_policy: The slug of the maintenance policy to apply during maintenance.
                                       If not provided, the default policy (linode/migrate) will be applied.
+                                      NOTE: This field is in beta and may only
+                            function if base_url is set to `https://api.linode.com/v4beta`.
         :type maintenance_policy: str
 
         :returns: A new Instance object, or a tuple containing the new Instance and

linode_api4/groups/maintenance.py

@@ -9,6 +9,8 @@ class MaintenanceGroup(Group):
 
     def maintenance_policies(self):
         """
+        .. note:: This endpoint is in beta. This will only function if base_url is set to `https://api.linode.com/v4beta`.
+
         Returns a collection of MaintenancePolicy objects representing
         available maintenance policies that can be applied to Linodes
 

linode_api4/groups/monitor.py

@@ -3,9 +3,7 @@
 ]
 from typing import Any, Optional
 
-from linode_api4 import (
-    PaginatedList,
-)
+from linode_api4 import PaginatedList
 from linode_api4.errors import UnexpectedResponseError
 from linode_api4.groups import Group
 from linode_api4.objects import (

linode_api4/objects/account.py

@@ -198,7 +198,9 @@ class AccountSettings(Base):
         ),
         "object_storage": Property(),
         "backups_enabled": Property(mutable=True),
-        "maintenance_policy": Property(mutable=True),
+        "maintenance_policy": Property(
+            mutable=True
+        ),  # Note: This field is only available when using v4beta.
     }
 
 
@@ -227,7 +229,7 @@ class Event(Base):
         "duration": Property(),
         "secondary_entity": Property(),
         "message": Property(),
-        "maintenance_policy_set": Property(),
+        "maintenance_policy_set": Property(),  # Note: This field is only available when using v4beta.
         "description": Property(),
         "source": Property(),
         "not_before": Property(is_datetime=True),

linode_api4/objects/linode.py

@@ -686,7 +686,9 @@ class Instance(Base):
         "disk_encryption": Property(),
         "lke_cluster_id": Property(),
         "capabilities": Property(unordered=True),
-        "maintenance_policy": Property(mutable=True),
+        "maintenance_policy": Property(
+            mutable=True
+        ),  # Note: This field is only available when using v4beta.
     }
 
     @property