fix(gateway): use generic requests exceptions

Catch generic requests.exceptions.RequestException on information
retrieval from agents to avoid AttributeError with more specific
exceptions on old versions on Requests library.

fix #391

CHANGELOG.md

@@ -76,6 +76,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - Fix compatibility issue with Requests >= 2.32.2 (#350).
   - Return HTTP/404 not found with meaningful error message when requesting
     unexisting node.
+- gateway: catch generic `requests.exceptions.RequestException` when retrieving
+  information from agents to avoid `AttributeError` with more specific
+  exceptions on old versions on _Requests_ library (#391).
 - frontend: Update dependencies to fix CVE-2024-45812 and CVE-2024-45811 (vite),
   CVE-2024-47068 (rollup).
 

slurmweb/apps/gateway.py

@@ -85,8 +85,7 @@ def agents(self):
                 logger.info("Retrieving info from agent at url %s", url.geturl())
                 agent = self._agent_info(url.geturl())
             except (
-                requests.exceptions.ConnectionError,
-                requests.exceptions.JSONDecodeError,
+                requests.exceptions.RequestException,
                 SlurmwebAgentError,
             ) as err:
                 logger.error(