After the glusterfs driver deletes the share, the client can still read and write the share

[Lin PeiWen]

Description
===========

Steps to reproduce
==================

* Deploying Manila using glusterfs driver
* Create a shared instance, write some unimportant data, and then delete the shared instance

Expected result
===============

Erase data in shared instance, disconnect mount point

Actual result
=============

The data in the shared instance is erased, the client mount point is not disconnected, and new data can still be read and written

Environment
===========

1.OpenStack rocky

2.Which storage backend did you use? GlusterFS driver

3.glusterfs_nfs_server_type = Gluster

4.glusterfs_share_layout = layout_volume.GlusterfsVolumeMappedLayout

[Vida Haririan (vhariria)]

Additional comments http://eavesdrop.openstack.org/meetings/manila/2020/manila.2020-08-20-15.00.log.html

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/738997
Committed: https://git.openstack.org/cgit/openstack/manila/commit/?id=9d44ba0b6a2d20be6158ff667ff3b81de31f5cad
Submitter: Zuul
Branch: master

commit 9d44ba0b6a2d20be6158ff667ff3b81de31f5cad
Author: linpeiwen <email address hidden>
Date: Thu Jul 2 04:48:17 2020 -0400

    [Glusterfs] Fix delete share, mount point not disconnected

    When we delete the shared instance, in addition to erasing the data
    in the share, we should disconnect the client's mount point to
    prevent the data from being written in.

    Closes-Bug: #1886010
    Change-Id: I7a334fb895669cc807a288e6aefe62154a89a7e4

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/ussuri
Review: https://review.opendev.org/750179

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/train
Review: https://review.opendev.org/750180

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/stein
Review: https://review.opendev.org/750182

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/rocky
Review: https://review.opendev.org/750183

[OpenStack Infra (hudson-openstack)]

Change abandoned by Lin PeiWen (<email address hidden>) on branch: stable/train
Review: https://review.opendev.org/750180
Reason: This branch is cherry picking from the master, so give up and cherry pick from ussuri again, thanks to Sean McGinnis’ reminder

[OpenStack Infra (hudson-openstack)]

Change abandoned by Lin PeiWen (<email address hidden>) on branch: stable/stein
Review: https://review.opendev.org/750182
Reason: This branch is cherry picking from the master, so give up and cherry pick from train again, thanks to Sean McGinnis’ reminder

[OpenStack Infra (hudson-openstack)]

Change abandoned by Lin PeiWen (<email address hidden>) on branch: stable/rocky
Review: https://review.opendev.org/750183
Reason: This branch is cherry picking from the master, so give up and cherry pick from stein again, thanks to Sean McGinnis’ reminder

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/750179
Committed: https://git.openstack.org/cgit/openstack/manila/commit/?id=4f2e400a6bcbcb79103354a76211455f9e7c605a
Submitter: Zuul
Branch: stable/ussuri

commit 4f2e400a6bcbcb79103354a76211455f9e7c605a
Author: linpeiwen <email address hidden>
Date: Thu Jul 2 04:48:17 2020 -0400

    [Glusterfs] Fix delete share, mount point not disconnected

    When we delete the shared instance, in addition to erasing the data
    in the share, we should disconnect the client's mount point to
    prevent the data from being written in.

    Closes-Bug: #1886010
    Change-Id: I7a334fb895669cc807a288e6aefe62154a89a7e4
    (cherry picked from commit 9d44ba0b6a2d20be6158ff667ff3b81de31f5cad)

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/750180
Committed: https://git.openstack.org/cgit/openstack/manila/commit/?id=d9e6743ba5b45d75212fd9a247d3f2ec60958f04
Submitter: Zuul
Branch: stable/train

commit d9e6743ba5b45d75212fd9a247d3f2ec60958f04
Author: linpeiwen <email address hidden>
Date: Thu Jul 2 04:48:17 2020 -0400

    [Glusterfs] Fix delete share, mount point not disconnected

    When we delete the shared instance, in addition to erasing the data
    in the share, we should disconnect the client's mount point to
    prevent the data from being written in.

    Closes-Bug: #1886010
    Change-Id: I7a334fb895669cc807a288e6aefe62154a89a7e4
    (cherry picked from commit 9d44ba0b6a2d20be6158ff667ff3b81de31f5cad)
    (cherry picked from commit 4f2e400a6bcbcb79103354a76211455f9e7c605a)

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/750182
Committed: https://git.openstack.org/cgit/openstack/manila/commit/?id=4e75f14c76c17d46b551f46c6a9d1f6d14adf7c0
Submitter: Zuul
Branch: stable/stein

commit 4e75f14c76c17d46b551f46c6a9d1f6d14adf7c0
Author: linpeiwen <email address hidden>
Date: Thu Jul 2 04:48:17 2020 -0400

    [Glusterfs] Fix delete share, mount point not disconnected

    When we delete the shared instance, in addition to erasing the data
    in the share, we should disconnect the client's mount point to
    prevent the data from being written in.

    Closes-Bug: #1886010
    Change-Id: I7a334fb895669cc807a288e6aefe62154a89a7e4
    (cherry picked from commit 9d44ba0b6a2d20be6158ff667ff3b81de31f5cad)
    (cherry picked from commit 4f2e400a6bcbcb79103354a76211455f9e7c605a)
    (cherry picked from commit d9e6743ba5b45d75212fd9a247d3f2ec60958f04)

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/750183
Committed: https://git.openstack.org/cgit/openstack/manila/commit/?id=0ac95862be135b7bbb2904a977d463abe301c08a
Submitter: Zuul
Branch: stable/rocky

commit 0ac95862be135b7bbb2904a977d463abe301c08a
Author: linpeiwen <email address hidden>
Date: Thu Jul 2 04:48:17 2020 -0400

    [Glusterfs] Fix delete share, mount point not disconnected

    When we delete the shared instance, in addition to erasing the data
    in the share, we should disconnect the client's mount point to
    prevent the data from being written in.

    Closes-Bug: #1886010
    Change-Id: I7a334fb895669cc807a288e6aefe62154a89a7e4
    (cherry picked from commit 9d44ba0b6a2d20be6158ff667ff3b81de31f5cad)
    (cherry picked from commit 4f2e400a6bcbcb79103354a76211455f9e7c605a)
    (cherry picked from commit d9e6743ba5b45d75212fd9a247d3f2ec60958f04)
    (cherry picked from commit 4e75f14c76c17d46b551f46c6a9d1f6d14adf7c0)

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/queens
Review: https://review.opendev.org/753425

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/753425
Committed: https://git.openstack.org/cgit/openstack/manila/commit/?id=7247032a80dc5822f401a28074bb6022b534f3df
Submitter: Zuul
Branch: stable/queens

commit 7247032a80dc5822f401a28074bb6022b534f3df
Author: linpeiwen <email address hidden>
Date: Thu Jul 2 04:48:17 2020 -0400

    [Glusterfs] Fix delete share, mount point not disconnected

    When we delete the shared instance, in addition to erasing the data
    in the share, we should disconnect the client's mount point to
    prevent the data from being written in.

    Closes-Bug: #1886010
    Change-Id: I7a334fb895669cc807a288e6aefe62154a89a7e4
    (cherry picked from commit 9d44ba0b6a2d20be6158ff667ff3b81de31f5cad)
    (cherry picked from commit 4f2e400a6bcbcb79103354a76211455f9e7c605a)
    (cherry picked from commit d9e6743ba5b45d75212fd9a247d3f2ec60958f04)
    (cherry picked from commit 4e75f14c76c17d46b551f46c6a9d1f6d14adf7c0)
    (cherry picked from commit 0ac95862be135b7bbb2904a977d463abe301c08a)

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/manila 9.1.5 release.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/manila 10.0.2 release.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/manila queens-eol release.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/manila rocky-eol release.