Add a periodic job to run the stress tests.

This commit adds a periodic jenkins job to run the tempest
stress tests.

Change-Id: I58edb56d19c3b4e3b572e02b6ece42955a4d9933
Reviewed-on: https://review.openstack.org/35397
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Approved: James E. Blair <corvus@inaugust.com>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Tested-by: Jenkins

modules/openstack_project/files/jenkins_job_builder/config/devstack-gate.yaml

@@ -442,6 +442,44 @@
           recipients: openstack-qa@lists.openstack.org
 
 
+- job:
+    name: periodic-tempest-devstack-vm-stress
+    node: devstack-precise
+
+    wrappers:
+      - timeout:
+          timeout: 180
+          fail: true
+      - timestamps
+
+    triggers:
+      - timed: '0 6 * * *'
+
+    parameters:
+      - string:
+          name: ZUUL_BRANCH
+          description: The branch to build
+          default: master
+
+    builders:
+      - devstack-inprogress
+      - devstack-checkout
+      - shell: |
+          #!/bin/bash -xe
+          export PYTHONUNBUFFERED=true
+          export DEVSTACK_GATE_TEMPEST_STRESS=1
+          cp devstack-gate/devstack-vm-gate-wrap.sh ./safe-devstack-vm-gate-wrap.sh
+          ./safe-devstack-vm-gate-wrap.sh
+      - link-logs
+
+    publishers:
+      - devstack-logs-periodic
+      - console-log-periodic
+      - devstack-complete
+      - email:
+          recipients: openstack-qa@lists.openstack.org
+
+
 - job:
     name: gate-tempest-devstack-vm-postgres-zeromq-full
     node: devstack-precise