** Description changed:
- The following error is reported when creating a volume snapshot with
- non-ascii display-description, e.g. cinder snapshot-create --display-
- description "中文" my-2nd-volume.
+ [Impact]
+
+ * Cinder snapshot display-description cannot contain non-ascii
+ characters.
+
+ [Test Case]
+
+ * cinder create 1
+ * cinder snapshot-create --display-description "中文"
+
+ [Regression Potential]
+
+ * None
+
+
+ The following error is reported when creating a volume snapshot with
non-ascii display-description, e.g. cinder snapshot-create
--display-description "中文" my-2nd-volume.
2015-11-09 05:55:50.995 29937 ERROR oslo_messaging.rpc.dispatcher
[req-81f48a02-b1ef-4aae-9e22-ac2ce1c75b2f 16818cbff07548889da69bf526558d97
7aac0111a39741f59513c05b2d83dd70 - - -] Exception during message handling:
'ascii' codec can't encode characters in position 111-117: ordinal not in
range(128)
2015-11-09 05:55:50.995 29937 ERROR oslo_messaging.rpc.dispatcher Traceback
(most recent call last):
2015-11-09 05:55:50.995 29937 ERROR oslo_messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 142,
in _dispatch_and_reply
2015-11-09 05:55:50.995 29937 ERROR oslo_messaging.rpc.dispatcher
executor_callback))
2015-11-09 05:55:50.995 29937 ERROR oslo_messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 186,
in _dispatch
2015-11-09 05:55:50.995 29937 ERROR oslo_messaging.rpc.dispatcher
executor_callback)
2015-11-09 05:55:50.995 29937 ERROR oslo_messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 129,
in _do_dispatch
2015-11-09 05:55:50.995 29937 ERROR oslo_messaging.rpc.dispatcher result
= func(ctxt, **new_args)
2015-11-09 05:55:50.995 29937 ERROR oslo_messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", line 102, in wrapper
2015-11-09 05:55:50.995 29937 ERROR oslo_messaging.rpc.dispatcher
info["function"]["kwargs"] = str(kwargs)
2015-11-09 05:55:50.995 29937 ERROR oslo_messaging.rpc.dispatcher
UnicodeEncodeError: 'ascii' codec can't encode characters in position 111-117:
ordinal not in range(128)
2015-11-09 05:55:50.995 29937 ERROR oslo_messaging.rpc.dispatcher
Root cause is that profiler tries to get a string representation of the
arguments (cinder.objects.snapshot.Snapshot) of the snapshot-create
cinder-volume service api. As a result, VersionedObject.__repr__ is
called to produce such a string representation with an attribute
(display-description) containing non-ascii characters, thus returning an
unicode object. However when __repr__ returns an unicode object, it's
expected that the the returned string can be encoded by default encoding
scheme which is ascii in general [1][2]. So __repr__ needs to make sure
any unicode string it's going to return are properly encoded.
[1] trying to encode the returned string when it's an unicode object
https://github.com/python/cpython/blob/2.7/Objects/object.c#L387
[2] if encoding arg is left null, default encoding will be used
https://github.com/python/cpython/blob/2.7/Objects/unicodeobject.c#L1355
** Also affects: cinder (Ubuntu)
Importance: Undecided
Status: New
** Changed in: cinder (Ubuntu)
Status: New => In Progress
** Changed in: cinder (Ubuntu)
Assignee: (unassigned) => Liang Chen (cbjchen)
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https://bugs.launchpad.net/bugs/1514325
Title:
VersionedObject.__repr__ should return encoded string
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