OVB jobs are failing for "No valid host was found. , Code: 500" during the overcloud deployment

[Marios Andreou]

OVB jobs are failing for "No valid host was found. , Code: 500" during the overcloud deployment with a trace like:

 2018-10-04 04:03:41 | 2018-10-04 04:03:00Z [overcloud.Controller]: UPDATE_FAILED Resource CREATE failed: ResourceInError: resources[1].resources.Controller: Went to status ERROR due to "Message: No valid host was found. , Code: 500"
 2018-10-04 04:03:41 |
 2018-10-04 04:03:41 | Stack overcloud/002ecc05-e2d0-44d7-93eb-f2e35eb532fb CREATE_FAILED
 2018-10-04 04:03:41 |
 2018-10-04 04:03:41 | overcloud.Controller.1.Controller:
 2018-10-04 04:03:41 | resource_type: OS::TripleO::ControllerServer
 2018-10-04 04:03:41 | physical_resource_id: 5f4396c2-1a9d-4cdf-bd50-11396d7d4266
 2018-10-04 04:03:41 | status: CREATE_FAILED
 2018-10-04 04:03:41 | status_reason: |
 2018-10-04 04:03:41 | ResourceInError: resources.Controller: Went to status ERROR due to "Message: No valid host was found. , Code: 500"
 ...
 2018-10-04 04:03:41 | overcloud.Compute.0.NovaCompute:
 2018-10-04 04:03:41 | resource_type: OS::TripleO::ComputeServer
 2018-10-04 04:03:41 | physical_resource_id: 7b3fb4a5-09ee-4732-8b8e-d0cd96896533
 2018-10-04 04:03:41 | status: CREATE_FAILED
 2018-10-04 04:03:41 | status_reason: |
 2018-10-04 04:03:41 | ResourceInError: resources.NovaCompute: Went to status ERROR due to "Message: No valid host was found. , Code: 500"
 2018-10-04 04:03:41 | + status_code=1
 ...
 2018-10-04 04:04:15 | ++ cut -d '|' -f3
 2018-10-04 04:04:33 | + exit 1

examples include [1,2,3,4] below

[1] http://logs.rdoproject.org/openstack-periodic/git.openstack.org/openstack-infra/tripleo-ci/master/legacy-periodic-tripleo-ci-centos-7-ovb-3ctlr_1comp-featureset001-master/9cda9bb/logs/undercloud/home/zuul/overcloud_deploy.log.txt.gz
[2] http://logs.rdoproject.org/91/607791/1/openstack-check/legacy-tripleo-ci-centos-7-ovb-3ctlr_1comp-featureset001-master/ec955f0/logs/undercloud/home/zuul/overcloud_deploy.log.txt.gz
[3] http://logs.rdoproject.org/19/607019/2/openstack-check/legacy-tripleo-ci-centos-7-ovb-3ctlr_1comp-featureset035-master/44842ea/logs/undercloud/home/zuul/overcloud_deploy.log.txt.gz
[4] http://logs.rdoproject.org/19/607019/2/openstack-check/legacy-tripleo-ci-centos-7-ovb-3ctlr_1comp-featureset001-master/013dcd5/logs/undercloud/home/zuul/overcloud_deploy.log.txt.gz

[Marios Andreou (marios-b)]

guess this was some infra/temp issue not seeing it now