Comment 2 for bug 1167141

Reviewed: https://review.openstack.org/26571
Committed: http://github.com/openstack/cinder/commit/0e3ea4e85dab00b7cecd5596f6daa65cc4d710b5
Submitter: Jenkins
Branch: master

commit 0e3ea4e85dab00b7cecd5596f6daa65cc4d710b5
Author: John Griffith <email address hidden>
Date: Tue Apr 9 23:07:52 2013 -0600

    Add parsing to extra-specs key check

    When using the filter scheduler which is now the default,
    we can no longer pass in extra-specs like: {minIOPS:500, ....},
    because the capabilities filter will reject this because there is
    no host reporting minIOPS:500 capabilities.

    We now need to scope the keys (ie qos:minIOPS:500....), but
    that unfortunately requires a fix to the SolidFire driver.

    This change add a check for the ':' in the key, and parses
    on it if it's there.

    Also fixes backend_name and uses VERSION var instead of
    generating string in stats reporting.

    Fixes bug: 1167141

    Change-Id: Ie7fd7d231af78cb18a13f44a4379b44d3c3385df