--encrypt-pass-file option does not work

[Pierre-Arthur MATHIEU]

root@padawan-ccp-c0-m1-mgmt:/home/stack# echo "thisismykey" > key.txt
root@padawan-ccp-c0-m1-mgmt:/home/stack# freezer-agent --path-to-backup /etc/ --container plop --backup-name test --encrypt-pass-file /home/stack/key.txt

root@padawan-ccp-c0-m1-mgmt:/home/stack# freezer-agent --restore-abs-path /tmp/rest/ --container plop --backup-name test --encrypt-pass-file /home/stack/key.txt --action restore
Process Process-2:
Traceback (most recent call last):
  File "/usr/lib/python2.7/multiprocessing/process.py", line 258, in _bootstrap
    self.run()
  File "/usr/lib/python2.7/multiprocessing/process.py", line 114, in run
    self._target(*self._args, **self._kwargs)
  File "/opt/stack/venv/freezer_agent-20160309T191456Z/lib/python2.7/site-packages/freezer/engine/tar/tar_engine.py", line 129, in restore_level
    tar_process.stdin.write(read_pipe.recv_bytes())
IOError: [Errno 32] Broken pipe
[*] Critical Error: failed to restore file

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/291215
Committed: https://git.openstack.org/cgit/openstack/freezer/commit/?id=e4c1f0e026257bff1d28b59007e304ef2a6c3c89
Submitter: Jenkins
Branch: master

commit e4c1f0e026257bff1d28b59007e304ef2a6c3c89
Author: eldar nugaev <email address hidden>
Date: Thu Mar 10 14:50:37 2016 +0000

    Fix openssl decryption command

    Change-Id: I24182482306aa02878b0951b1458561de3867f0c
    Closes-bug: #1555625

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/liberty
Review: https://review.openstack.org/291327

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/291327
Committed: https://git.openstack.org/cgit/openstack/freezer/commit/?id=bf28e13bf7c86ded0936cb7ee11e9343e3ccd1bf
Submitter: Jenkins
Branch: stable/liberty

commit bf28e13bf7c86ded0936cb7ee11e9343e3ccd1bf
Author: eldar nugaev <email address hidden>
Date: Thu Mar 10 14:50:37 2016 +0000

    Fix openssl decryption command

    Change-Id: I24182482306aa02878b0951b1458561de3867f0c
    Closes-bug: #1555625
    (cherry picked from commit e4c1f0e026257bff1d28b59007e304ef2a6c3c89)