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==============
Change history
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.. contents::
:local:
.. _version-2.0:
2.0
===
:release-date: 2011-07-14
.. _v20-important:
Important Notes
---------------
* Backwards-incompatible filter changes in the latest 2011 EC2 APIs
In the latest 2011 EC2 APIs all security groups are assigned a unique
identifier (sg-\*). As a consequence, some existing filters which used to take
the group name now require the group *id* instead:
1. *group-id* filter in DescribeInstances (ie get_all_instances())
To filter by group name you must instead use the *group-name* filter
2. *launch.group-id* filter in DescribeSpotInstanceRequests (ie get_all_spot_instance_requests())
Unfortunately for now, it is *not* possible to filter spot instance
requests by group name; the security group id *must* be used instead.
This new security group id can be found in the *id* attribute of a boto
SecurityGroup instance.
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