Add experimental windmill job to buildimages

As we move forward with using lxc for testing, we'll need to start
building images. Add an experimental job to do this.

Once working, we'll be moving this to a periodic job.

Change-Id: Idb42c1f8e1af23315015343908c999c979cf3312
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

jenkins/jobs/windmill.yaml

@@ -30,6 +30,25 @@
     publishers:
       - console-log
 
+- job-template:
+    name: 'windmill-buildimages-{ostype}{suffix}'
+    node: '{ostype}'
+
+    builders:
+      - print-template-name:
+          template-name: "{template-name}"
+      - windmill-checkout
+      - run-tox:
+          envlist: 'build-images'
+
+    publishers:
+      - scp:
+          site: 'tarballs.openstack.org'
+          files:
+            - source: 'images/*.tgz'
+              target: 'tarballs/windmill/images/'
+      - console-log
+
 - job-group:
     name: 'windmill-jobs'
     jobs:
@@ -51,3 +70,6 @@
           pipeline: gate
           scenario:
             - deploy
+      - 'windmill-buildimages-{ostype}{suffix}':
+          suffix: ''
+          ostype: ubuntu-trusty

zuul/layout.yaml

@@ -17885,6 +17885,8 @@ projects:
       - name: windmill-jobs-fedora-24-nv
       - name: windmill-jobs-trusty
       - name: windmill-jobs-xenial
+    experimental:
+      - windmill-buildimages-ubuntu-trusty
 
   - name: openstack/workload-ref-archs
     template: