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[Aleksey Ruban <aleksey.ruban@xxxxxxxxxxx>]

Public bug reported:

Description
===========
Tempest test for Cinder drivers which uses encrypted volumes fails. I figured out that test uses nova.volume.encryptors.cryptsetup.CryptsetupEncryptor.

On setup it executes:
cryptsetup create --key-file=- dev_name dev_path
ln --symbolic --force /dev/mapper/dev_name symlink_path

On remove:
cryptsetup remove dev_name
and it doesn't restore the link. When a driver deletes a volume and creates anoter one with the same name as previous, that link becomes broken and volume is not able to be working. When I manually replace the link with original one, it works fine.

Steps to reproduce
==================
cd /opt/stack/tempest
tox -eall -- --concurrency=1 test_encrypted_cinder_volumes_cryptsetup
run the test twice

Expected result
===============
the test passes every time

Actual result
=============
the test passes only the first time

Environment
===========
I used devstack from master branch and Nexenta iSCSI driver.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1580294

Title:
  Impossible to create another iSCSI volume after encrypted one was
  created

Status in OpenStack Compute (nova):
  New

Bug description:
  Description
  ===========
  Tempest test for Cinder drivers which uses encrypted volumes fails. I figured out that test uses nova.volume.encryptors.cryptsetup.CryptsetupEncryptor.

  On setup it executes:
  cryptsetup create --key-file=- dev_name dev_path
  ln --symbolic --force /dev/mapper/dev_name symlink_path

  On remove:
  cryptsetup remove dev_name
  and it doesn't restore the link. When a driver deletes a volume and creates anoter one with the same name as previous, that link becomes broken and volume is not able to be working. When I manually replace the link with original one, it works fine.

  Steps to reproduce
  ==================
  cd /opt/stack/tempest
  tox -eall -- --concurrency=1 test_encrypted_cinder_volumes_cryptsetup
  run the test twice

  Expected result
  ===============
  the test passes every time

  Actual result
  =============
  the test passes only the first time

  Environment
  ===========
  I used devstack from master branch and Nexenta iSCSI driver.

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