cephfs_native: deny access evicts clients incorrectly

[Ramana Raja]

Denying access of a ceph auth ID to a share is supposed to evict
the client based on the auth ID and the share accessed. Currently,
the driver tries to do this by incorrectly [1] using CephFSVolumeClient.evict() (part of of a Ceph library module), which
itself does not yet evict clients based on auth ID and
path accessed [2].

Fix: Wait for the relevant ceph_volume_client library change, and based
     on the change evict clients correctly when denying access.

[1] https://github.com/openstack/manila/commit/cbb316babf1648f46c7e31e6415470df29dd5377#diff-4256e8eb2400d0325fe689bc36010201R230

[2] http://tracker.ceph.com/issues/15045

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/304766

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/mitaka
Review: https://review.openstack.org/327951

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/304766
Committed: https://git.openstack.org/cgit/openstack/manila/commit/?id=05dcc06dde308f979bb1c9236e33448ab4959216
Submitter: Jenkins
Branch: master

commit 05dcc06dde308f979bb1c9236e33448ab4959216
Author: Ramana Raja <email address hidden>
Date: Tue Apr 12 21:47:12 2016 +0530

    cephfs_native: Fix client eviction

    During deny access, the driver evicts client based on its auth ID
    and the share its accessing. It does not make the correct use of
    ceph_volume_client library to do this. So fix the evict method call.

    Closes-Bug: #1567298

    Change-Id: I707d1f2d455106f45c35aa28ca2a30fb0460f9e8

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/327951
Committed: https://git.openstack.org/cgit/openstack/manila/commit/?id=beebb3833d99180c5bc6d6aea2d559a2d8def674
Submitter: Jenkins
Branch: stable/mitaka

commit beebb3833d99180c5bc6d6aea2d559a2d8def674
Author: Ramana Raja <email address hidden>
Date: Tue Apr 12 21:47:12 2016 +0530

    cephfs_native: Fix client eviction

    During deny access, the driver evicts client based on its auth ID
    and the share its accessing. It does not make the correct use of
    ceph_volume_client library to do this. So fix the evict method call.

    Co-Authored-By: Ramana Raja <email address hidden>
    Closes-Bug: #1567298

    Change-Id: I707d1f2d455106f45c35aa28ca2a30fb0460f9e8
    (cherry picked from commit 05dcc06dde308f979bb1c9236e33448ab4959216)

[Doug Hellmann (doug-hellmann)]

This issue was fixed in the openstack/manila 3.0.0.0b2 development milestone.