AttibuteError when storops is not installed for VNX driver

[Peter Wang]

The following errors are noticed before the volume creation:

2016-07-22 17:37:22.433 ERROR cinder.volume.manager [req-ac8d94a8-9f1c-4569-
b565-616f04f86a24 None None] Failed to initialize driver.
2016-07-22 17:37:22.433 TRACE cinder.volume.manager Traceback (most rece
nt call last):
2016-07-22 17:37:22.433 TRACE cinder.volume.manager File "/opt/stack/c
inder/cinder/volume/manager.py", line 366, in init_host
2016-07-22 17:37:22.433 TRACE cinder.volume.manager self.driver.do_s
etup(ctxt)
2016-07-22 17:37:22.433 TRACE cinder.volume.manager File "/opt/stack/c
inder/cinder/volume/drivers/emc/vnx/driver.py", line 92, in do_setup
2016-07-22 17:37:22.433 TRACE cinder.volume.manager self.adapter.do_
setup()
2016-07-22 17:37:22.433 TRACE cinder.volume.manager File "/opt/stack/c
inder/cinder/volume/drivers/emc/vnx/adapter.py", line 1217, in do_setup
2016-07-22 17:37:22.433 TRACE cinder.volume.manager super(ISCSIAdapt
er, self).do_setup()
2016-07-22 17:37:22.433 TRACE cinder.volume.manager File "/opt/stack/c
inder/cinder/volume/drivers/emc/vnx/adapter.py", line 72, in do_setup
2016-07-22 17:37:22.433 TRACE cinder.volume.manager self.config.stor
age_vnx_security_file_dir)
2016-07-22 17:37:22.433 TRACE cinder.volume.manager File "/opt/stack/c
inder/cinder/volume/drivers/emc/vnx/client.py", line 85, in __init__
2016-07-22 17:37:22.433 TRACE cinder.volume.manager self.vnx = storo
ps.VNXSystem(ip=ip,
2016-07-22 17:37:22.433 TRACE cinder.volume.manager AttributeError: 'Non
eType' object has no attribute 'VNXSystem'
2016-07-22 17:37:22.433 TRACE cinder.volume.manager

And also the following error:
2016-07-22 17:37:22.461 ERROR oslo_service.service [req-ac8d94a8-9f1c-4569-b
565-616f04f86a24 None None] Error starting thread.
2016-07-22 17:37:22.461 TRACE oslo_service.service Traceback (most recen
t call last):
2016-07-22 17:37:22.461 TRACE oslo_service.service File "/usr/local/li
b/python2.7/dist-packages/oslo_service/service.py", line 708, in run_service
2016-07-22 17:37:22.461 TRACE oslo_service.service service.start()
2016-07-22 17:37:22.461 TRACE oslo_service.service File "/opt/stack/ci
nder/cinder/service.py", line 183, in start
2016-07-22 17:37:22.461 TRACE oslo_service.service self.manager.init
_host_with_rpc()
2016-07-22 17:37:22.461 TRACE oslo_service.service File "/opt/stack/ci
nder/cinder/volume/manager.py", line 466, in init_host_with_rpc
2016-07-22 17:37:22.461 TRACE oslo_service.service stats = self.driv
er.get_volume_stats(refresh=True)
2016-07-22 17:37:22.461 TRACE oslo_service.service File "/opt/stack/ci
nder/cinder/volume/drivers/emc/vnx/driver.py", line 215, in get_volume_stats
2016-07-22 17:37:22.461 TRACE oslo_service.service self.update_volum
e_stats()
2016-07-22 17:37:22.461 TRACE oslo_service.service File "/opt/stack/ci
nder/cinder/volume/drivers/emc/vnx/driver.py", line 222, in update_volume_stats
2016-07-22 17:37:22.461 TRACE oslo_service.service self._stats = sel
f.adapter.update_volume_stats()
2016-07-22 17:37:22.461 TRACE oslo_service.service File "/opt/stack/ci
nder/cinder/volume/drivers/emc/vnx/adapter.py", line 1260, in update_volume_stats
2016-07-22 17:37:22.461 TRACE oslo_service.service stats = super(ISC
SIAdapter, self).update_volume_stats()
2016-07-22 17:37:22.461 TRACE oslo_service.service File "/opt/stack/ci
nder/cinder/volume/drivers/emc/vnx/adapter.py", line 716, in update_volume_stats
2016-07-22 17:37:22.461 TRACE oslo_service.service stats = self.get_
enabler_stats()
2016-07-22 17:37:22.461 TRACE oslo_service.service File "/opt/stack/ci
nder/cinder/volume/drivers/emc/vnx/adapter.py", line 621, in get_enabler_stats
2016-07-22 17:37:22.461 TRACE oslo_service.service stats['compressio
n_support'] = self.client.is_compression_enabled()
2016-07-22 17:37:22.461 TRACE oslo_service.service AttributeError: 'None
Type' object has no attribute 'is_compression_enabled'
2016-07-22 17:37:22.461 TRACE oslo_service.service

Driver need to report correct error when storops is not installed.
Thanks
Peter

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/380025

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/380025
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=a87d978a4635f4c4b1e04fd82d2c9b154f88975d
Submitter: Jenkins
Branch: master

commit a87d978a4635f4c4b1e04fd82d2c9b154f88975d
Author: Peter Wang <email address hidden>
Date: Fri Sep 30 05:37:58 2016 -0400

    VNX: raise exception if no storops

    Previously, if storops is not installed, driver will raise
    AttributeError: 'NoneType' object has no attribute 'VNXSystem'.
    Now, driver will report clear message in order not to confuse user.

    Closes-Bug: 1629223
    Change-Id: I1fbdd73063f3d06329f94184701014b247fb889e

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/newton
Review: https://review.openstack.org/382717

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/382717
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=def2f41c2dd53583f7dc4f0f20bab78bad18944b
Submitter: Jenkins
Branch: stable/newton

commit def2f41c2dd53583f7dc4f0f20bab78bad18944b
Author: Peter Wang <email address hidden>
Date: Fri Sep 30 05:37:58 2016 -0400

    VNX: raise exception if no storops

    Previously, if storops is not installed, driver will raise
    AttributeError: 'NoneType' object has no attribute 'VNXSystem'.
    Now, driver will report clear message in order not to confuse user.

    Closes-Bug: 1629223
    Change-Id: I1fbdd73063f3d06329f94184701014b247fb889e
    (cherry picked from commit a87d978a4635f4c4b1e04fd82d2c9b154f88975d)

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/cinder 9.1.0 release.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/cinder 10.0.0.0b1 development milestone.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/cinder 9.1.0 release.