diff options
Diffstat (limited to 'cloudinit/handlers/__init__.py')
| -rw-r--r-- | cloudinit/handlers/__init__.py | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/cloudinit/handlers/__init__.py b/cloudinit/handlers/__init__.py index 6b7abbcd..53d5604a 100644 --- a/cloudinit/handlers/__init__.py +++ b/cloudinit/handlers/__init__.py @@ -163,12 +163,19 @@ def walker_handle_handler(pdata, _ctype, _filename, payload): def _extract_first_or_bytes(blob, size): - # Extract the first line upto X bytes or X bytes from more than the - # first line if the first line does not contain enough bytes - first_line = blob.split("\n", 1)[0] - if len(first_line) >= size: - start = first_line[:size] - else: + # Extract the first line or upto X symbols for text objects + # Extract first X bytes for binary objects + try: + if isinstance(blob, six.string_types): + start = blob.split("\n", 1)[0] + else: + # We want to avoid decoding the whole blob (it might be huge) + # By taking 4*size bytes we guarantee to decode size utf8 chars + start = blob[:4 * size].decode(errors='ignore').split("\n", 1)[0] + if len(start) >= size: + start = start[:size] + except UnicodeDecodeError: + # Bytes array doesn't contain text so return chunk of raw bytes start = blob[0:size] return start @@ -183,6 +190,11 @@ def _escape_string(text): except TypeError: # Give up... pass + except AttributeError: + # We're in Python3 and received blob as text + # No escaping is needed because bytes are printed + # as 'b\xAA\xBB' automatically in Python3 + pass return text @@ -251,7 +263,10 @@ def fixup_handler(mod, def_freq=PER_INSTANCE): def type_from_starts_with(payload, default=None): - payload_lc = payload.lower() + try: + payload_lc = util.decode_binary(payload).lower() + except UnicodeDecodeError: + return default payload_lc = payload_lc.lstrip() for text in INCLUSION_SRCH: if payload_lc.startswith(text): |