Add job to run Tempest dsvm on MongoDB backend for Ceilometer

This patch adds templates for both smoke and full Tempest
tests executions and enables both of them to the experimental
pipeline for Ceilometer to be able to debug its behavior
in both cases.

Change-Id: I5655dec73616a0b68665115c1406c41397e5e90c

modules/openstack_project/files/jenkins_job_builder/config/ceilometer.yaml

@@ -0,0 +1,61 @@
+- job-template:
+    name: 'gate-tempest-dsvm-ceilometer-{backend}{branch-designator}'
+    node: '{node}'
+
+    wrappers:
+      - build-timeout:
+          timeout: 125
+      - timestamps
+
+    builders:
+      - link-logs
+      - net-info
+      - devstack-checkout
+      - shell: |
+          #!/bin/bash -xe
+          export PYTHONUNBUFFERED=true
+          export DEVSTACK_GATE_TIMEOUT=120
+          export DEVSTACK_GATE_TEMPEST=1
+          export DEVSTACK_GATE_CEILOMETER_BACKEND={backend}
+          export BRANCH_OVERRIDE={branch-override}
+          if [ "$BRANCH_OVERRIDE" != "default" ] ; then
+              export OVERRIDE_ZUUL_BRANCH=$BRANCH_OVERRIDE
+          fi
+          cp devstack-gate/devstack-vm-gate-wrap.sh ./safe-devstack-vm-gate-wrap.sh
+          ./safe-devstack-vm-gate-wrap.sh
+
+    publishers:
+      - devstack-logs
+      - console-log
+
+
+- job-template:
+    name: 'gate-tempest-dsvm-ceilometer-{backend}-full{branch-designator}'
+    node: '{node}'
+
+    wrappers:
+      - build-timeout:
+          timeout: 125
+      - timestamps
+
+    builders:
+      - link-logs
+      - net-info
+      - devstack-checkout
+      - shell: |
+          #!/bin/bash -xe
+          export PYTHONUNBUFFERED=true
+          export DEVSTACK_GATE_TIMEOUT=120
+          export DEVSTACK_GATE_TEMPEST=1
+          export DEVSTACK_GATE_TEMPEST_FULL=1
+          export DEVSTACK_GATE_CEILOMETER_BACKEND={backend}
+          export BRANCH_OVERRIDE={branch-override}
+          if [ "$BRANCH_OVERRIDE" != "default" ] ; then
+              export OVERRIDE_ZUUL_BRANCH=$BRANCH_OVERRIDE
+          fi
+          cp devstack-gate/devstack-vm-gate-wrap.sh ./safe-devstack-vm-gate-wrap.sh
+          ./safe-devstack-vm-gate-wrap.sh
+
+    publishers:
+      - devstack-logs
+      - console-log

modules/openstack_project/files/jenkins_job_builder/config/projects.yaml

@@ -423,6 +423,16 @@
       - python-havana-bitrot-jobs
       - openstack-publish-jobs
       - translation-jobs
+      - 'gate-tempest-dsvm-ceilometer-{backend}{branch-designator}':
+          backend: 'mongodb'
+          node: 'bare-trusty'
+          branch-designator: ''
+          branch-override: default
+      - 'gate-tempest-dsvm-ceilometer-{backend}-full{branch-designator}':
+          backend: 'mongodb'
+          node: 'bare-trusty'
+          branch-designator: ''
+          branch-override: default
 
 - project:
     name: cinder

modules/openstack_project/files/zuul/layout.yaml

@@ -713,6 +713,10 @@ jobs:
     voting: false
   - name: ^(gate|check)-marconi-python33
     branch: ^(?!stable/(havana|icehouse)).*$
+  - name: gate-tempest-dsvm-ceilometer-mongodb
+    voting: false
+  - name: gate-tempest-dsvm-ceilometer-mongodb-full
+    voting: false
 
 # The project list is grouped by type of project, and within each
 # group, projects are sorted (mostly) alphabetically.
@@ -758,6 +762,8 @@ projects:
       - gate-swift-dsvm-functional
     experimental:
       - gate-grenade-dsvm-forward
+      - gate-tempest-dsvm-ceilometer-mongodb
+      - gate-tempest-dsvm-ceilometer-mongodb-full
     pre-release:
       - ceilometer-tarball
     release: