Checking The Installed Version of OpenStack

It seems there is not an /etc/lsb-release (or /etc/redhat-release) for an OpenStack node. However, you can get the installed version in other ways. From a compute node, run the following commands:

$ nova-manage shell python
Python 2.7.3 (default, Sep 26 2013, 20:03:06)
[GCC 4.6.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
(InteractiveConsole)
>>> from nova import version
>>> version.version_string()
'2013.2'
>>>

Source: http://fosshelp.blogspot.com/2011/09/how-to-find-openstack-nova-version.html

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