As adriano spotted, I also think the Swift error is important.
https://logs.rdoproject.org/openstack-periodic/periodic-tripleo-ci-centos-7-multinode-1ctlr-featureset006-master/6a4192c/undercloud/var/log/mistral/executor.log.txt.gz#_2017-11-20_14_31_20_140
It is almost like the user has no access to Zaqar or Swift now for some reason.
As adriano spotted, I also think the Swift error is important.
https:/ /logs.rdoprojec t.org/openstack -periodic/ periodic- tripleo- ci-centos- 7-multinode- 1ctlr-featurese t006-master/ 6a4192c/ undercloud/ var/log/ mistral/ executor. log.txt. gz#_2017- 11-20_14_ 31_20_140
It is almost like the user has no access to Zaqar or Swift now for some reason.