check null on double_check_capsul_address 😬

capsulflask/console.py

@@ -40,6 +40,7 @@ def double_check_capsul_address(id, ipv4, get_ssh_host_keys):
       the virtualization model threw an error in double_check_capsul_address of {id}:
       {my_exec_info_message(sys.exc_info())}"""
     )
+    return None
 
   return result
 
@@ -57,7 +58,9 @@ def index():
   # for now we are going to check the IP according to the virt model
   # on every request. this could be done by a background job and cached later on...
   for vm in vms:
-    vm["ipv4"] = double_check_capsul_address(vm["id"], vm["ipv4"], False).ipv4
+    result = double_check_capsul_address(vm["id"], vm["ipv4"], False)
+    if result is not None:
+      vm["ipv4"] = result.ipv4
 
   vms = list(map(
     lambda x: dict(
@@ -109,10 +112,13 @@ def detail(id):
 
   else:
     needs_ssh_host_keys = "ssh_host_keys" not in vm or len(vm["ssh_host_keys"]) == 0
+
     vm_from_virt_model = double_check_capsul_address(vm["id"], vm["ipv4"], needs_ssh_host_keys)
-    vm["ipv4"] = vm_from_virt_model.ipv4
-    if needs_ssh_host_keys:
-      vm["ssh_host_keys"] = vm_from_virt_model.ssh_host_keys
+    
+    if vm_from_virt_model is not None:
+      vm["ipv4"] = vm_from_virt_model.ipv4
+      if needs_ssh_host_keys:
+        vm["ssh_host_keys"] = vm_from_virt_model.ssh_host_keys
     
     vm["created"] = vm['created'].strftime("%b %d %Y %H:%M")
     vm["ssh_authorized_keys"] = ", ".join(vm["ssh_authorized_keys"]) if len(vm["ssh_authorized_keys"]) > 0 else "<missing>"