Output traceback when deleting non-existed arq

[Eric Xie]

When deleting non-existed arq, got error as below:

openstack accelerator arq delete b8ba271e-7b45-4edf-97ef-d63b6b49f57a
ResourceNotFound: 404: Client Error for url: http://cyborg.openstack.svc.cn-north-3.myinspurcloud.com/v2/accelerator_requests/b8ba271e-7b45-4edf-97ef-d63b6b49f57a, ExtArq not found with uuid=b8ba271e-7b45-4edf-97ef-d63b6b49f57a
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.8/site-packages/cyborg/db/sqlalchemy/api.py", line 902, in extarq_get
    return query.one()

  File "/var/lib/openstack/lib/python3.8/site-packages/sqlalchemy/orm/query.py", line 3473, in one
    raise orm_exc.NoResultFound("No row was found for one()")

sqlalchemy.orm.exc.NoResultFound: No row was found for one()

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.8/site-packages/oslo_messaging/rpc/server.py", line 165, in _process_incoming
    res = self.dispatcher.dispatch(message)

  File "/var/lib/openstack/lib/python3.8/site-packages/oslo_messaging/rpc/dispatcher.py", line 309, in dispatch
    return self._do_dispatch(endpoint, method, ctxt, args)

  File "/var/lib/openstack/lib/python3.8/site-packages/oslo_messaging/rpc/dispatcher.py", line 229, in _do_dispatch
    result = func(ctxt, **new_args)

  File "/var/lib/openstack/lib/python3.8/site-packages/cyborg/conductor/manager.py", line 87, in arq_delete_by_uuid
    ExtARQ.delete_by_uuid(context, arqlist)

  File "/var/lib/openstack/lib/python3.8/site-packages/cyborg/objects/ext_arq.py", line 158, in delete_by_uuid
    obj_extarq = objects.ExtARQ.get(context, uuid)

  File "/var/lib/openstack/lib/python3.8/site-packages/cyborg/objects/ext_arq.py", line 94, in get
    db_extarq = cls.dbapi.extarq_get(context, uuid)

  File "/var/lib/openstack/lib/python3.8/site-packages/oslo_db/api.py", line 154, in wrapper
    ectxt.value = e.inner_exc

  File "/var/lib/openstack/lib/python3.8/site-packages/oslo_utils/excutils.py", line 220, in __exit__
    self.force_reraise()

  File "/var/lib/openstack/lib/python3.8/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
    six.reraise(self.type_, self.value, self.tb)

  File "/var/lib/openstack/lib/python3.8/site-packages/six.py", line 703, in reraise
    raise value

  File "/var/lib/openstack/lib/python3.8/site-packages/oslo_db/api.py", line 142, in wrapper
    return f(*args, **kwargs)

  File "/var/lib/openstack/lib/python3.8/site-packages/cyborg/db/sqlalchemy/api.py", line 904, in extarq_get
    raise exception.ResourceNotFound(

cyborg.common.exception.ResourceNotFound: ExtArq not found with uuid=b8ba271e-7b45-4edf-97ef-d63b6b49f57a

Should catch this exception and give humanable output like "ExtArq not found with uuid=b8ba271e-7b45-4edf-97ef-d63b6b49f57a"

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/c/openstack/python-cyborgclient/+/802004

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/c/openstack/python-cyborgclient/+/802004
Committed: https://opendev.org/openstack/python-cyborgclient/commit/9d5bdc5f170f7469f73cf6a0cea3000a2f2abea9
Submitter: "Zuul (22348)"
Branch: master

commit 9d5bdc5f170f7469f73cf6a0cea3000a2f2abea9
Author: ericxiett <[e-mail]>
Date: Fri Jul 23 11:05:56 2021 +0000

    Hide the traceback when deleting a non-existent ARQ

    This patch catches the 'ResourceNotFound' exception and adds
     some unittests.

    Closes-Bug: #1937251
    Change-Id: I1e07528e9b551ff192ee707d1988a8c07bf349a0

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/python-cyborgclient 1.4.0 release.