Fix after rebase.

Author: Zvirovyi

src/core/state.py

@@ -473,6 +473,7 @@ def internal_ca_key(self) -> PrivateKey | None:
     def internal_ca_key(self, value: PrivateKey) -> None:
         self._field_setter_wrapper("internal-ca-key-secret", str(value))
 
+    @property
     def cassandra_password_secret(self) -> str:
         """Password of `cassandra` system user."""
         return self.relation_data.get("cassandra-password", "")

src/events/cassandra.py

@@ -162,6 +162,10 @@ def _finalize_password_change(self, event: StartEvent) -> None:
             cluster_name=self.state.cluster.cluster_name,
             listen_address=self.state.unit.ip,
             seeds=self.state.cluster.seeds,
+            enable_peer_tls=self.state.unit.peer_tls.ready,
+            enable_client_tls=self.state.unit.client_tls.ready,
+            keystore_password=self.state.unit.keystore_password,
+            truststore_password=self.state.unit.truststore_password,
             authentication=True,
         )
         self.charm.on[str(self.bootstrap_manager.name)].acquire_lock.emit()