python-swiftclient

truncated error messages

Bug #1408001 reported by Pavlo Shchelokovskyy
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
python-swiftclient
New
Undecided
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Bug Description

When trying to delete a non-empty swift container the exception raised by swiftclient is completely incomprehensible as it has HTML elements in the message and the message is heavily truncated:

ClientException: Container DELETE failed: http://192.168.100.127:8080/v1/AUTH_93bc980d9ea442f8a04583db58ae6c98/sw-container-h6circycoksh 409 Conflict [first 60 chars of response] <html><h1>Conflict</h1><p>There was a conflict when trying t

To circumvent it one has to jump through some extra hoops as in fixes related to this bug report:
https://bugs.launchpad.net/heat/+bug/1406263

Similar bug is already raised in respect to another swiftclient command :
https://bugs.launchpad.net/python-swiftclient/+bug/1258391

It seems that errors raised by swiftclient should be better structured and/or contain more useful messages to assert them via the Python API.

Revision history for this message
Charles Hsu (charles0126) wrote :

Which version of swift client that you used?
The swiftclient allows user to delete whole container(non-empty) In current version (2.3.1).

Revision history for this message
Pavlo Shchelokovskyy (pshchelo) wrote :

That's because the shell is using the SwiftService object [1], that indeed does recursive delete by itself [2]. In Heat we use Connection object as client to perform all the operations [3], and this one is not supporting recursive deletes.

[1] https://github.com/openstack/python-swiftclient/blob/master/swiftclient/shell.py#L100
[2] https://github.com/openstack/python-swiftclient/blob/master/swiftclient/service.py#L1820
[3] https://github.com/openstack/heat/blob/master/heat/engine/clients/os/swift.py#L53

regardless of this, the exceptions raised by the Python API are still pretty useless in explaining the reason of the failure.

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