CoraidDriver : retrive volume's informations (improvement)

[Jean-Baptiste RANSY]

Rewrite method CoraidRESTClient._get_volume_info()

Some portions of code into this method are useless since REST API on Coraid side has been improved.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/24782

[Jean-Baptiste RANSY (jean-baptiste-ransy)]

https://review.openstack.org/24782

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/24782
Committed: http://github.com/openstack/cinder/commit/45a4bbdcf9e6c4d337384c0ebeb4d25eb0ec0a8c
Submitter: Jenkins
Branch: master

commit 45a4bbdcf9e6c4d337384c0ebeb4d25eb0ec0a8c
Author: Jean-Baptiste RANSY <email address hidden>
Date: Tue Mar 19 16:56:21 2013 +0100

    CoraidDriver: retrive volume info (improvement)

    Some portions of code into this method are useless since
    the REST API on Coraid side has been improved.

    Fixes bug #1157242

    Change-Id: Ie37b5b76710e77acb2acf627c9688e4f931e686c

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/25671

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/25671
Committed: http://github.com/openstack/cinder/commit/b78fb081ac1be228cecebff2a49131accfe4525c
Submitter: Jenkins
Branch: master

commit b78fb081ac1be228cecebff2a49131accfe4525c
Author: Larry Matter <email address hidden>
Date: Thu Mar 28 16:29:38 2013 -0700

    REST session validity not checked in get_volume_info

    The fix for bug 1157242 introduced a new bug in Coraid cinder driver
    _get_volume_info that the login session is not checked for
    validity/timeout. This change addressesthat issue for all
    methods in the CoraidRESTClient class.

    Fixes bug 1160459

    Change-Id: Ib2d7ebbf3ef8ec35071f51c6168eb9b3af9405e6