diff options
| -rw-r--r-- | writeexts.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/writeexts.py b/writeexts.py index 9e98747c..df4cec33 100644 --- a/writeexts.py +++ b/writeexts.py @@ -53,6 +53,8 @@ class WriteExtension(cliapp.Application): '''Create a raw system image locally.''' size = self.get_disk_size() + if not size: + raise cliapp.AppException('DISK_SIZE is not defined') self.create_raw_disk_image(raw_disk, size) try: self.mkfs_btrfs(raw_disk) @@ -105,6 +107,8 @@ class WriteExtension(cliapp.Application): '''Parse a size from an environment variable.''' size = os.environ.get(env_var, default) + if size is None: + return None bytes = self._parse_size(size) if bytes is None: raise morphlib.Error('Cannot parse %s value %s' % (env_var, size)) @@ -112,7 +116,7 @@ class WriteExtension(cliapp.Application): def get_disk_size(self): '''Parse disk size from environment.''' - return self._parse_size_from_environment('DISK_SIZE', '1G') + return self._parse_size_from_environment('DISK_SIZE', None) def get_ram_size(self): '''Parse RAM size from environment.''' |