From ca9afc0935e4ee1b290011724c0641993c0e9e34 Mon Sep 17 00:00:00 2001
From: Judit Novak <judit.novak@canonical.com>
Date: Fri, 28 Jul 2023 16:10:20 +0200
Subject: [PATCH] Deleting cert before pushing new ones (#182)

---
 lib/charms/mongodb/v0/mongodb_tls.py | 1 +
 src/charm.py                         | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/charms/mongodb/v0/mongodb_tls.py b/lib/charms/mongodb/v0/mongodb_tls.py
index 2c31519be..b9ead22cc 100644
--- a/lib/charms/mongodb/v0/mongodb_tls.py
+++ b/lib/charms/mongodb/v0/mongodb_tls.py
@@ -192,6 +192,7 @@ def _on_certificate_available(self, event: CertificateAvailableEvent) -> None:
 
         logger.info("Restarting mongod with TLS enabled.")
 
+        self.charm.delete_tls_certificate_from_workload()
         self.charm.push_tls_certificate_to_workload()
         self.charm.unit.status = MaintenanceStatus("enabling TLS")
         self.charm.restart_mongod_service()
diff --git a/src/charm.py b/src/charm.py
index 9f6bbdf84..98d2a09c2 100755
--- a/src/charm.py
+++ b/src/charm.py
@@ -1001,7 +1001,10 @@ def delete_tls_certificate_from_workload(self) -> None:
             Config.TLS.INT_CA_FILE,
             Config.TLS.INT_PEM_FILE,
         ]:
-            container.remove_path(f"{Config.CONF_DIR}/{file}")
+            try:
+                container.remove_path(f"{Config.CONF_DIR}/{file}")
+            except PathError as err:
+                logger.debug("Path unavailable: %s (%s)", file, str(err))
 
     def get_hostname_for_unit(self, unit: Unit) -> str:
         """Create a DNS name for a MongoDB unit.