CxtAdmDriver unit tests try to open files on the system

[Eric Harney]

Something is not mocked out properly here:

$ ./run_tests.sh -V cinder.tests.targets.test_cxt_driver
Traceback (most recent call last):
_StringException: Traceback (most recent call last):
  File "/home/eharney/src/cinder-trunk2/cinder/tests/targets/test_cxt_driver.py", line 203, in test_ensure_export
    self.fake_volumes_dir)
  File "/home/eharney/src/cinder-trunk2/cinder/volume/targets/iscsi.py", line 240, in ensure_export
    chap_auth = self._get_target_chap_auth(context, iscsi_name)
  File "/home/eharney/src/cinder-trunk2/cinder/volume/targets/cxt.py", line 113, in _get_target_chap_auth
    with open(volume_path, 'r') as f:
IOError: [Errno 13] Permission denied: '/var/lib/cinder/volumes/cxt/testvol'
Traceback (most recent call last):
_StringException: Empty attachments:
  stderr
  stdout

Traceback (most recent call last):
  File "/home/eharney/src/cinder-trunk2/cinder/tests/targets/test_cxt_driver.py", line 203, in test_ensure_export
    self.fake_volumes_dir)
  File "/home/eharney/src/cinder-trunk2/cinder/volume/targets/iscsi.py", line 240, in ensure_export
    chap_auth = self._get_target_chap_auth(context, iscsi_name)
  File "/home/eharney/src/cinder-trunk2/cinder/volume/targets/cxt.py", line 113, in _get_target_chap_auth
    with open(volume_path, 'r') as f:
IOError: [Errno 13] Permission denied: '/var/lib/cinder/volumes/cxt/testvol'

Traceback (most recent call last):
_StringException: Empty attachments:
  stderr
  stdout

Traceback (most recent call last):
  File "/home/eharney/src/cinder-trunk2/cinder/tests/targets/test_cxt_driver.py", line 203, in test_ensure_export
    self.fake_volumes_dir)
  File "/home/eharney/src/cinder-trunk2/cinder/volume/targets/iscsi.py", line 240, in ensure_export
    chap_auth = self._get_target_chap_auth(context, iscsi_name)
  File "/home/eharney/src/cinder-trunk2/cinder/volume/targets/cxt.py", line 113, in _get_target_chap_auth
    with open(volume_path, 'r') as f:
IOError: [Errno 13] Permission denied: '/var/lib/cinder/volumes/cxt/testvol'

Ran 6 tests in 9.478s

FAILED (failures=1)

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/157089

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/157089
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=dead95c68b0fe3fcad84af69cc5e715fabccde22
Submitter: Jenkins
Branch: master

commit dead95c68b0fe3fcad84af69cc5e715fabccde22
Author: Eric Harney <email address hidden>
Date: Wed Feb 18 13:04:09 2015 -0500

    Tests: Fix cxt target tests opening files

    This fixes the test_ensure_export test so that it does
    not try to open files from /var/lib/cinder/.

    Closes-Bug: #1423261

    Change-Id: I79ed64918b2ae7fb5ea8b5cedeb1dca83898c759