Add job to run bashate changes over devstack

Using the dependent change, add a bashate job that runs any changes
with devstack's bashate test, so we can be more confident we're not
breaking it.  Non-voting, for now.

Change-Id: Ia41cef4bfb6c85875ba2844a00a687998b91e7f3
Depends-On: I165c4d66db8b7bdcff235ef7d8c99029637bb76a

jenkins/jobs/bashate.yaml

@@ -0,0 +1,25 @@
+- job:
+    # run bashate changes over devstack
+    name: 'gate-bashate-devstack'
+    node: 'bare-trusty'
+
+    wrappers:
+      - build-timeout:
+          timeout: 60
+
+    builders:
+      - link-logs
+      - shell: |
+          #!/bin/bash -eux
+          cd $WORKSPACE
+
+          /usr/zuul-env/bin/zuul-cloner --cache-dir /opt/git \
+            git://git.openstack.org \
+            openstack/bashate \
+            openstack/devstack
+
+          cd openstack/devstack
+          BASHATE_INSTALL_PATH=$WORKSPACE/openstack/bashate tox -e bashate
+
+    publishers:
+      - console-log

zuul/layout.yaml

@@ -1085,6 +1085,9 @@ jobs:
   - name: gate-dsvm-nodepool-src-shade
     voting: false
 
+  - name: gate-bashate-devstack
+    voting: false
+
   - name: gate-project-config-irc-access
     files:
       - 'accessbot/channels.yaml'
@@ -5866,6 +5869,8 @@ projects:
       - name: merge-check
       - name: publish-to-pypi
       - name: python-jobs
+    check:
+      - gate-bashate-devstack
 
   - name: openstack-dev/ci-sandbox
     template: