Comment 1 for bug 1023316

Looks like you're using the wrong option to nova boot, see help:

  --file <dst-path=src-path>
                        Store arbitrary files from <src-path> locally to <dst-
                        path> on the new server. You may store up to 5 files.
  --user_data <user-data>
                        user data file to pass to be exposed by the metadata
                        server.

In order to trigger the injected_file_content_bytes, you need to use the --file option instead of --user-data.

In which case, you should see an expected 413 response such as:

PESP:{'status': '413', 'content-length': '93', 'x-compute-request-id': '...', 'retry-after': '0', 'date': 'Tue, 31 Jul 2012 14:57:12 GMT', 'content-type': 'application/json; charset=UTF-8'} {"overLimit": {"message": "Personality file content too long", "code": 413, "retryAfter": 0}}