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authorScott Moser <smoser@ubuntu.com>2016-03-10 12:47:55 -0500
committerScott Moser <smoser@ubuntu.com>2016-03-10 12:47:55 -0500
commitbe38478cd8e11b0e29c70bb881a676628e9f74d5 (patch)
treea7bae52849941b45dedef53175e2623fcf18481e
parentb839ad32b9bf4541583ecbe68a0bd5dd9f12345a (diff)
downloadvyos-cloud-init-be38478cd8e11b0e29c70bb881a676628e9f74d5.tar.gz
vyos-cloud-init-be38478cd8e11b0e29c70bb881a676628e9f74d5.zip
improve comment
-rw-r--r--cloudinit/util.py5
1 files changed, 2 insertions, 3 deletions
diff --git a/cloudinit/util.py b/cloudinit/util.py
index 1d50edc9..1a517c79 100644
--- a/cloudinit/util.py
+++ b/cloudinit/util.py
@@ -2145,13 +2145,12 @@ def _read_dmi_syspath(key):
LOG.debug("%s did not return any data", dmi_key_path)
return None
- # in the event that this is all \xff and a carriage return
- # then return '.' in its place.
+ # uninitialized dmi values show as all \xff and /sys appends a '\n'.
+ # in that event, return a string of '.' in the same length.
if key_data == b'\xff' * (len(key_data) - 1) + b'\n':
key_data = b'.' * (len(key_data) - 1) + b'\n'
str_data = key_data.decode('utf8').strip()
-
LOG.debug("dmi data %s returned %s", dmi_key_path, str_data)
return str_data