mgr/smb: add a new tls source component resource

Add a new resource component for referencing a tls credential resource.
This works pretty much like the join auth resource in that a cluster
refers to a tls credential resource by name - avoiding having to have
potentially sensitive info stored in the cluster resource.

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

Author: phlogistonjohn

src/pybind/mgr/smb/resources.py

@@ -25,6 +25,7 @@
     LoginCategory,
     PasswordFilter,
     SMBClustering,
+    SourceReferenceType,
     TLSCredentialType,
     UserGroupSourceType,
 )
@@ -466,6 +467,27 @@ def _customize_resource(rc: resourcelib.Resource) -> resourcelib.Resource:
         return rc
 
 
+@resourcelib.component()
+class TLSSource(_RBase):
+    """Represents TLS Certificates and Keys used to configure SMB related
+    resources.
+    """
+
+    source_type: SourceReferenceType = SourceReferenceType.RESOURCE
+    ref: str = ''
+
+    def validate(self) -> None:
+        if not self.ref:
+            raise ValueError('reference value must be specified')
+        else:
+            validation.check_id(self.ref)
+
+    @resourcelib.customize
+    def _customize_resource(rc: resourcelib.Resource) -> resourcelib.Resource:
+        rc.ref.quiet = True
+        return rc
+
+
 @resourcelib.resource('ceph.smb.cluster')
 class Cluster(_RBase):
     """Represents a cluster (instance) that is / should be present."""