Re-adding redhat-7.yml distro var

Some periodic jobs on tripleo that still run centos-7 jobs for other
branches require this variable.
This file was removed by 5a46aff857
Also adding a centos-7 standalone job for coverage.

Change-Id: I85b2841591990fc91ec665b8f77e4ceb50766c6c
Closes-Bug: #1900443

vars/redhat-7.yml

@@ -0,0 +1,48 @@
+---
+# Copyright 2016, Rackspace US, Inc.
+# Copyright 2018, Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+tempest_distro_packages:
+  - git
+  - libxslt              # required by the python module unittest2
+  - gcc                  # required to build tempest plugins (TODO) remove this when the repo server can satisfy the tempest plugin requirements
+  - iputils
+
+tempest_service_distro_packages:
+  - openstack-tempest
+  - python-subunit
+  - subunit-filters
+
+tempest_plugin_distro_packages:
+  - "{{ (tempest_service_available_aodh | bool) | ternary('python-telemetry-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_barbican | bool) | ternary('python-barbican-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_ceilometer | bool) | ternary('python-telemetry-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_cinder | bool) | ternary('python-cinder-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_congress | bool) | ternary('python-congress-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_designate | bool) | ternary('python-designate-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_heat | bool) | ternary('python-heat-tests-tempest', '') }}"
+  - "{{ tempest_service_available_horizon | bool | ternary('python-horizon-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_ironic | bool) | ternary('python-ironic-tests-tempest', '') }}"
+  - python-keystone-tests-tempest
+  - "{{ (tempest_service_available_magnum | bool) | ternary('python-magnum-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_manila | bool) | ternary('python-manila-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_mistral | bool) | ternary('python-mistral-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_murano | bool) | ternary('python-murano-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_neutron | bool) | ternary('python-neutron-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_neutron_vpnaas | bool) | ternary('python-networking-vpnaas-tests', '') }}"
+  - "{{ (tempest_service_available_novajoin | bool) | ternary('python-novajoin-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_octavia | bool) | ternary('python-octavia-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_sahara | bool) | ternary('python-sahara-tests-tempest', '') }}"
+  - "{{ (tempest_service_available_zaqar | bool) | ternary('python-zaqar-tests-tempest', '') }}"

zuul.d/jobs.yaml

@@ -18,3 +18,23 @@
     parent: openstack-ansible-deploy-aio_distro_metal-centos-8
     pre-run:
       - zuul.d/playbooks/pre-tempestconf.yml
+
+- job:
+    name: tripleo-ci-centos-7-standalone-os-tempest-train
+    parent: tripleo-ci-base-standalone
+    nodeset: single-centos-7-node
+    branches: master
+    override-checkout: 'stable/train'
+    vars:
+      branch_override: 'stable/train'
+      featureset: '052'
+      featureset_override:
+        use_os_tempest: true
+        tempest_tempest_conf_overrides:
+          auth.use_dynamic_credentials: true
+        tempest_test_whitelist:
+          - 'tempest.api.identity.v3'
+          - 'tempest.scenario.test_server_basic_ops'
+          - 'tempest.api.volume.admin.test_multi_backend'
+          - 'tempest.scenario.test_object_storage_basic_ops'
+

zuul.d/project.yaml

@@ -30,6 +30,7 @@
               tox_environment:
                 PYTEST_REQPASS: 1
         - tripleo-ci-centos-8-standalone
+        - tripleo-ci-centos-7-standalone-os-tempest-train
         - tripleo-ci-centos-8-standalone-upgrade:
             voting: false
     gate: