DeprecationWarning: Flags not at the start of the expression

[Takashi Natsume]

Running "tox -e py38", the following warning appear.

2022-08-23 20:59:46.250673 | ubuntu-focal | {2} cinder.tests.unit.targets.test_iet_driver.TestIetAdmDriver.test_get_target [0.055716s] ... ok
2022-08-23 20:59:46.250744 | ubuntu-focal |
2022-08-23 20:59:46.250775 | ubuntu-focal | Captured stderr:
2022-08-23 20:59:46.250822 | ubuntu-focal | ~~~~~~~~~~~~~~~~
2022-08-23 20:59:46.250853 | ubuntu-focal | /home/zuul/src/opendev.org/openstack/cinder/cinder/volume/targets/iet.py:63: DeprecationWarning: Flags not at the start of the expression '^tid:(?m)'
2022-08-23 20:59:46.250882 | ubuntu-focal | session_list = re.split('^tid:(?m)', sessions)[1:]
2022-08-23 20:59:46.250909 | ubuntu-focal |

2022-08-23 21:00:07.104432 | ubuntu-focal | {7} cinder.tests.unit.targets.test_iet_driver.TestIetAdmDriver.test_find_sid_cid_for_target [0.053381s] ... ok
2022-08-23 21:00:07.104485 | ubuntu-focal |
2022-08-23 21:00:07.104505 | ubuntu-focal | Captured stderr:
2022-08-23 21:00:07.104523 | ubuntu-focal | ~~~~~~~~~~~~~~~~
2022-08-23 21:00:07.104542 | ubuntu-focal | /home/zuul/src/opendev.org/openstack/cinder/cinder/volume/targets/iet.py:216: DeprecationWarning: Flags not at the start of the expression '^tid:(?m)'
2022-08-23 21:00:07.104575 | ubuntu-focal | session_list = re.split('^tid:(?m)', sessions)[1:]
2022-08-23 21:00:07.104600 | ubuntu-focal |

https://6652f590ce298f0dccf9-a12e67e84744b622e6a13b507a2faa27.ssl.cf5.rackcdn.com/852211/5/check/openstack-tox-py38/b77ca0b/job-output.txt

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/c/openstack/cinder/+/854428

[Sofia Enriquez (lsofia-enriquez)]

Fix looks good and may merge soon but please remember that
'The IET iSCSI target is deprecated and will be removed in the '
'"V" release. It is recommended to use the LIO or TGT targets '
'instead.'
Cheers

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/c/openstack/cinder/+/854428
Committed: https://opendev.org/openstack/cinder/commit/f6a1b9c3eca1fc20f3f0f2c1cb1db8b2a343564e
Submitter: "Zuul (22348)"
Branch: master

commit f6a1b9c3eca1fc20f3f0f2c1cb1db8b2a343564e
Author: Takashi Natsume <email address hidden>
Date: Thu Aug 25 00:14:12 2022 +0900

    Fix a deprecation warning about regex

    Fix the following deprecation warning.

    * DeprecationWarning: Flags not at the start of
      the expression '^tid:(?m)'

    Change-Id: I04aede6aec12cf89addeb1c9d500f0c623bba1a5
    Closes-Bug: 1987539
    Signed-off-by: Takashi Natsume <email address hidden>

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/cinder 21.0.0.0rc1 release candidate.