Add extra debug to catch Raft status on CI tests

Author: taurus-forever

src/charm.py

@@ -444,6 +444,7 @@ def primary_endpoint(self) -> str | None:
                         "Possibly incoplete peer data: Will not map primary IP to unit IP"
                     )
                     return primary_endpoint
+                self._patroni.log_raft_status()
                 logger.debug("primary endpoint early exit: Primary IP not in cached peer list.")
                 primary_endpoint = None
         except RetryError:

src/cluster.py

@@ -827,6 +827,7 @@ def has_raft_quorum(self) -> bool:
         raft_host = "127.0.0.1:2222"
         try:
             raft_status = syncobj_util.executeCommand(raft_host, ["status"])
+            logger.debug("Local raft status: %s", raft_status)
         except UtilityException:
             logger.warning("Has raft quorum: Cannot connect to raft cluster")
             return False
@@ -896,6 +897,16 @@ def get_running_cluster_members(self) -> list[str]:
         except Exception:
             return []
 
+    def log_raft_status(self) -> None:
+        """Best-effort dump of local raft status for debugging."""
+        raft_host = "127.0.0.1:2222"
+        try:
+            syncobj_util = TcpUtility(password=self.raft_password, timeout=3)
+            raft_status = syncobj_util.executeCommand(raft_host, ["status"])
+            logger.debug("Local raft status: %s", raft_status)
+        except UtilityException:
+            logger.debug("Local raft status unavailable")
+
     def remove_raft_member(self, member_ip: str) -> None:
         """Remove a member from the raft cluster.
 
@@ -917,6 +928,7 @@ def remove_raft_member(self, member_ip: str) -> None:
         raft_host = "127.0.0.1:2222"
         try:
             raft_status = syncobj_util.executeCommand(raft_host, ["status"])
+            logger.debug("Local raft status: %s", raft_status)
         except UtilityException:
             logger.warning("Remove raft member: Cannot connect to raft cluster")
             raise RemoveRaftMemberFailedError() from None