[Bug 983206] Re: [SRU] nova errors when keypair starts with 0XG using EC2 API

[Chuck Short]

** Impact **

When creating an EC2 key with binary or hex characters value ( ie:
0x,0X,0b,0B), results in a traceback:

2012-04-13 02:34:56 ERROR nova.api.ec2 [req-6bd2ab84-33b5-459d-98e8-4a113b7d7f3c e3190f0705824709b17a5b6828dd53e9 eeea40f81fe54bea956ab1ad9275c124] Unexpected error raised: invalid literal for int(
) with base 2: '0BKIF4DHWSYTSO8QGS36'
2012-04-13 02:34:56 TRACE nova.api.ec2 Traceback (most recent call last):
2012-04-13 02:34:56 TRACE nova.api.ec2 File "/usr/local/lib/python2.7/dist-packages/nova-2012.1-py2.7.egg/nova/api/ec2/__init__.py", line 582, in __call__
2012-04-13 02:34:56 TRACE nova.api.ec2 result = api_request.invoke(context)
2012-04-13 02:34:56 TRACE nova.api.ec2 File "/usr/local/lib/python2.7/dist-packages/nova-2012.1-py2.7.egg/nova/api/ec2/apirequest.py", line 71, in invoke
2012-04-13 02:34:56 TRACE nova.api.ec2 args = ec2utils.dict_from_dotted_str(self.args.items())
2012-04-13 02:34:56 TRACE nova.api.ec2 File "/usr/local/lib/python2.7/dist-packages/nova-2012.1-py2.7.egg/nova/api/ec2/ec2utils.py", line 221, in dict_from_dotted_str
2012-04-13 02:34:56 TRACE nova.api.ec2 value = _try_convert(value)
2012-04-13 02:34:56 TRACE nova.api.ec2 File "/usr/local/lib/python2.7/dist-packages/nova-2012.1-py2.7.egg/nova/api/ec2/ec2utils.py", line 187, in _try_convert
2012-04-13 02:34:56 TRACE nova.api.ec2 return int(value, 2)
2012-04-13 02:34:56 TRACE nova.api.ec2 ValueError: invalid literal for int() with base 2: '0BKIF4DHWSYTSO8QGS36'
2012-04-13 02:34:56 TRACE nova.api.ec2
2012-04-13 02:34:56 ERROR nova.api.ec2

** Development Fix **

This has been addressed in the development trunk at:
https://review.openstack.org/6604 and fixed in quantal.

** Stable Fix **

This has been addressed in the stable/essex tree at:
https://review.openstack.org/7244

** Test Case **

Run the following command:
 
euca-create-key  0xDD8G > tmp.key

it should not get a traceback in the nova-api.log

** Regression Potential **

Minimal, this is a corner case as well.

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Title:
  [SRU] nova errors when keypair starts with 0XG using EC2 API

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