Adds tripleo-tox-molecule

This new job should be used by tripleo jobs that need molecule
but also need to use extra required-projects in order to enable us of
Depends-On.

The job is similar to openstack-tox-molecule but with extra bits
for tripleo.

Change-Id: I49b74476170c06ccd847c08318f4fc501b690924
Depends-On: https://review.opendev.org/#/c/669871/

zuul.d/base.yaml

@@ -244,3 +244,22 @@
       - ^tripleo_repos/.*$
       # python-tripleoclient
       - ^tripleoclient/v1/container.*$
+
+- job:
+    name: tripleo-tox-molecule
+    # should `parent: openstack-tox-molecule` but we cannot because
+    # rdo zuul cannot load jobs from openstack-zuul-jobs.
+    # https://opendev.org/openstack/openstack-zuul-jobs/src/branch/master/zuul.d/jobs.yaml#L206
+    # https://github.com/rdo-infra/review.rdoproject.org-config/blob/master/zuul/rdo.yaml#L942-L943
+    description: |
+      TripleO own version of openstack-tox-molecule which adds
+      required-projects. These are used in order to allow testing change
+      requests with Depends-On, like below
+      openstack/tripleo-ci/roles/tripleo-repos -> openstack/tripleo-repos
+    parent: tox-molecule
+    success-url: "tox/reports.html"
+    failure-url: "tox/reports.html"
+    vars:
+      bindep_profile: test molecule
+    required-projects:
+      - opendev.org/openstack/tripleo-repos

zuul.d/layout.yaml

@@ -14,10 +14,10 @@
       - tripleo-standalone-scenarios-full
       - tripleo-undercloud-jobs
       - tripleo-periodic
-      - openstack-tox-molecule
     check:
       jobs:
         - openstack-tox-linters
+        - tripleo-tox-molecule
         - openstack-tox-py27: &files
             success-url: "tox/reports.html"
             failure-url: "tox/reports.html"
@@ -66,6 +66,7 @@
         # Don't put a files section on the linters job, otherwise no
         # jobs might be defined and nothing can merge in this repo.
         - openstack-tox-linters
+        - tripleo-tox-molecule
         - openstack-tox-py27:
             files:
               - ^scripts/emit_releases_file/.*$