home.switch-rack: use password for authentication

scripts/passwords-for

@@ -2,6 +2,7 @@
 from os import environ
 from sys import argv
 
+from bundlewrap.metagen import NodeMetadataProxy
 from bundlewrap.exceptions import FaultUnavailable
 from bundlewrap.repo import Repository
 from bundlewrap.utils import Fault
@@ -19,13 +20,17 @@ def print_faults(dictionary, keypath=[]):
             else:
                 if '\n' not in resolved_fault:
                     print('{}/{}: {}'.format('/'.join(keypath), key, value))
-        elif isinstance(value, dict):
+        elif isinstance(value, (list, set, tuple)):
+            print_faults(dict(enumerate(value)), keypath=keypath+[key])
+        elif isinstance(value, (dict, NodeMetadataProxy)):
             print_faults(value, keypath=keypath+[key])
 
-
 if len(argv) == 1:
     print('node name missing')
     exit(1)
 
 node = repo.get_node(argv[1])
-print_faults(node.metadata)
+print_faults({
+    'password': node.password,
+    'metadata': node.metadata,
+})