[DPE-5544] - fix: set dir permissions & remove lost+found on storageattached (#144)

Author: marcoppenheimer

src/events/broker.py

@@ -38,6 +38,7 @@
     PEER,
     PROFILE_TESTING,
     REL_NAME,
+    STORAGE,
     USER,
     Status,
 )
@@ -350,6 +351,14 @@ def _on_storage_attached(self, event: StorageAttachedEvent) -> None:
                 ]
             )
 
+        if self.charm.substrate == "k8s":
+            self.workload.exec(
+                ["chown", "-R", f"{USER}:{GROUP}", f"{self.workload.paths.data_path}/{STORAGE}"]
+            )
+            self.workload.exec(
+                ["rm", "-rf", f"{self.workload.paths.data_path}/{STORAGE}/lost+found"]
+            )
+
         # checks first whether the broker is active before warning
         if self.workload.active():
             # new dirs won't be used until topic partitions are assigned to it