Add defensive check when fetching KVM machines, fixes issue with non-…

…responding hosts
mistio · Nov 18, 2022 · 0729607 · 0729607
1 parent d33a946
commit 0729607
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/src/mist/api/clouds/controllers/compute/controllers.py b/src/mist/api/clouds/controllers/compute/controllers.py
@@ -4951,9 +4951,13 @@ def _get_host_driver(self, machine):
         return driver
 
     def list_machines_single_host(self, host):
-        driver = self._get_host_driver(host)
-        return driver.list_nodes(
-            parse_arp_table=config.LIBVIRT_PARSE_ARP_TABLES)
+        try:
+            driver = self._get_host_driver(host)
+            return driver.list_nodes(
+                parse_arp_table=config.LIBVIRT_PARSE_ARP_TABLES)
+        except Exception as e:
+            log.error('Failed to get machines from host: %s', host)
+            return []
 
     async def list_machines_all_hosts(self, hosts, loop):
         vms = [