[Bug 1639239] Re: ValueError for Invalid InitiatorConnector in s390

[Dimitri John Ledkov]

There are so many projects in launchpad for this bug report, because it
is not just the Ubuntu Project bug tracker, but also a bug tracker for
OpenStack upstream as well.

Multiple Openstack releases can be used on Ubuntu. With Xenial we offer
Mitaka, Newton and Ocata. Mitaka is what Xenial shipped with originally,
Newton & Ocata are only available from the optional Cloud Archive
repository https://wiki.ubuntu.com/OpenStack/CloudArchive

Based on the package version number, it seems to me that Mitaka release
is installed. And based on the bug statuses it does not appear that this
bug is fixed in Xenial/Mitaka.

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https://bugs.launchpad.net/bugs/1639239

Title:
  ValueError for Invalid InitiatorConnector in s390

Status in Ubuntu Cloud Archive:
  Fix Released
Status in Ubuntu Cloud Archive newton series:
  Fix Committed
Status in Ubuntu Cloud Archive ocata series:
  Fix Released
Status in OpenStack Compute (nova):
  Fix Released
Status in OpenStack Compute (nova) newton series:
  In Progress
Status in os-brick:
  Fix Released
Status in Ubuntu on IBM z Systems:
  Confirmed
Status in nova package in Ubuntu:
  Fix Released
Status in python-os-brick package in Ubuntu:
  Fix Released
Status in nova source package in Yakkety:
  Confirmed
Status in python-os-brick source package in Yakkety:
  Confirmed
Status in nova source package in Zesty:
  Fix Released
Status in python-os-brick source package in Zesty:
  Fix Released

Bug description:
  Description
  ===========
  Calling the InitiatorConnector factory results in a ValueError for unsupported protocols, which goes unhandled and may crash a calling service.

  Steps to reproduce
  ==================
  - clone devstack
  - make stack

  Expected result
  ===============
  The nova compute service should run.

  Actual result
  =============
  A ValueError is thrown, which, in the case of the nova libvirt driver, is not handled appropriately. The compute service crashes.

  Environment
  ===========
  os|distro=kvmibm1
  os|vendor=kvmibm
  os|release=1.1.3-beta4.3
  git|cinder|master[f6ab36d]
  git|devstack|master[928b3cd]
  git|nova|master[56138aa]
  pip|os-brick|1.7.0

  Logs & Configs
  ==============
  [...]
  2016-11-03 17:56:57.204 46141 INFO nova.virt.driver [req-fb30a5af-e87c-4ee0-903c-a5aa7d3ad5e3 - -] Loading compute driver 'libvirt.LibvirtDriver'
  2016-11-03 17:56:57.442 46141 DEBUG os_brick.initiator.connector [req-fb30a5af-e87c-4ee0-903c-a5aa7d3ad5e3 - -] Factory for ISCSI on s390x factory /usr/lib/python2.7/site-packages/os_brick/initiator/connector.py:261
  2016-11-03 17:56:57.444 46141 DEBUG os_brick.initiator.connector [req-fb30a5af-e87c-4ee0-903c-a5aa7d3ad5e3 - -] Factory for ISCSI on s390x factory /usr/lib/python2.7/site-packages/os_brick/initiator/connector.py:261
  2016-11-03 17:56:57.445 46141 DEBUG os_brick.initiator.connector [req-fb30a5af-e87c-4ee0-903c-a5aa7d3ad5e3 - -] Factory for ISER on s390x factory /usr/lib/python2.7/site-packages/os_brick/initiator/connector.py:261
  2016-11-03 17:56:57.445 46141 CRITICAL nova [req-fb30a5af-e87c-4ee0-903c-a5aa7d3ad5e3 - -] ValueError: Invalid InitiatorConnector protocol specified ISER
  2016-11-03 17:56:57.445 46141 ERROR nova Traceback (most recent call last):
  2016-11-03 17:56:57.445 46141 ERROR nova   File "/usr/bin/nova-compute", line 10, in <module>
  2016-11-03 17:56:57.445 46141 ERROR nova     sys.exit(main())
  2016-11-03 17:56:57.445 46141 ERROR nova   File "/opt/stack/nova/nova/cmd/compute.py", line 56, in main
  2016-11-03 17:56:57.445 46141 ERROR nova     topic=CONF.compute_topic)
  2016-11-03 17:56:57.445 46141 ERROR nova   File "/opt/stack/nova/nova/service.py", line 216, in create
  2016-11-03 17:56:57.445 46141 ERROR nova     periodic_interval_max=periodic_interval_max)
  2016-11-03 17:56:57.445 46141 ERROR nova   File "/opt/stack/nova/nova/service.py", line 91, in __init__
  2016-11-03 17:56:57.445 46141 ERROR nova     self.manager = manager_class(host=self.host, *args, **kwargs)
  2016-11-03 17:56:57.445 46141 ERROR nova   File "/opt/stack/nova/nova/compute/manager.py", line 537, in __init__
  2016-11-03 17:56:57.445 46141 ERROR nova     self.driver = driver.load_compute_driver(self.virtapi, compute_driver)
  2016-11-03 17:56:57.445 46141 ERROR nova   File "/opt/stack/nova/nova/virt/driver.py", line 1625, in load_compute_driver
  2016-11-03 17:56:57.445 46141 ERROR nova     virtapi)
  2016-11-03 17:56:57.445 46141 ERROR nova   File "/usr/lib/python2.7/site-packages/oslo_utils/importutils.py", line 44, in import_object
  2016-11-03 17:56:57.445 46141 ERROR nova     return import_class(import_str)(*args, **kwargs)
  2016-11-03 17:56:57.445 46141 ERROR nova   File "/opt/stack/nova/nova/virt/libvirt/driver.py", line 356, in __init__
  2016-11-03 17:56:57.445 46141 ERROR nova     self._get_volume_drivers(), self._host)
  2016-11-03 17:56:57.445 46141 ERROR nova   File "/opt/stack/nova/nova/virt/driver.py", line 44, in driver_dict_from_config
  2016-11-03 17:56:57.445 46141 ERROR nova     driver_registry[driver_type] = driver_class(*args, **kwargs)
  2016-11-03 17:56:57.445 46141 ERROR nova   File "/opt/stack/nova/nova/virt/libvirt/volume/iser.py", line 34, in __init__
  2016-11-03 17:56:57.445 46141 ERROR nova     transport=self._get_transport())
  2016-11-03 17:56:57.445 46141 ERROR nova   File "/usr/lib/python2.7/site-packages/os_brick/initiator/connector.py", line 285, in factory
  2016-11-03 17:56:57.445 46141 ERROR nova     raise ValueError(msg)
  2016-11-03 17:56:57.445 46141 ERROR nova ValueError: Invalid InitiatorConnector protocol specified ISER
  2016-11-03 17:56:57.445 46141 ERROR nova

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