diff options
| -rw-r--r-- | cloudinit/net/network_state.py | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/cloudinit/net/network_state.py b/cloudinit/net/network_state.py index 73be84e1..2530a601 100644 --- a/cloudinit/net/network_state.py +++ b/cloudinit/net/network_state.py @@ -39,26 +39,25 @@ def from_state_file(state_file): return network_state +def diff_keys(expected, actual): + missing = set(expected) + for key in actual: + missing.discard(key) + return missing + + class InvalidCommand(Exception): pass def ensure_command_keys(required_keys): - required_keys = frozenset(required_keys) - - def extract_missing(command): - missing_keys = set() - for key in required_keys: - if key not in command: - missing_keys.add(key) - return missing_keys def wrapper(func): @six.wraps(func) def decorator(self, command, *args, **kwargs): if required_keys: - missing_keys = extract_missing(command) + missing_keys = diff_keys(required_keys, command) if missing_keys: raise InvalidCommand("Command missing %s of required" " keys %s" % (missing_keys, @@ -120,10 +119,11 @@ class NetworkState(object): raise Exception('Invalid state, missing version field') required_keys = NETWORK_STATE_REQUIRED_KEYS[state['version']] - if not self.valid_command(state, required_keys): - msg = 'Invalid state, missing keys: {}'.format(required_keys) + missing_keys = diff_keys(required_keys, state) + if missing_keys: + msg = 'Invalid state, missing keys: %s'.format(missing_keys) LOG.error(msg) - raise Exception(msg) + raise ValueError(msg) # v1 - direct attr mapping, except version for key in [k for k in required_keys if k not in ['version']]: |