mgr/smb: add a remote control configuration to cluster resource

Add the remote control component to a field of the cluster resource.
A remote control side car can be explicitly enabled or implicitly
enabled by specifying the tls creds.

Signed-off-by: John Mulligan <[email protected]>

Author: phlogistonjohn

src/pybind/mgr/smb/resources.py

@@ -530,6 +530,8 @@ class Cluster(_RBase):
     # bind_addrs are used to restrict what IP addresses instances of this
     # cluster will use
     bind_addrs: Optional[List[ClusterBindIP]] = None
+    # configure a remote control sidecar server.
+    remote_control: Optional[RemoteControl] = None
 
     def validate(self) -> None:
         if not self.cluster_id:
@@ -576,6 +578,15 @@ def cleaned_custom_smb_global_options(self) -> Optional[Dict[str, str]]:
     def clustering_mode(self) -> SMBClustering:
         return self.clustering if self.clustering else SMBClustering.DEFAULT
 
+    @property
+    def remote_control_is_enabled(self) -> bool:
+        """Return true if a remote control service should be enabled for this
+        cluster.
+        """
+        if not self.remote_control:
+            return False
+        return self.remote_control.is_enabled
+
     def is_clustered(self) -> bool:
         """Return true if smbd instance should use (CTDB) clustering."""
         if self.clustering_mode == SMBClustering.ALWAYS: