Create experimental Octavia multinode job

The job is based on the tempest scenario, and devstack
plugin support is being introduced in change
Iecc38aa950e8b5a4c42db6b609820443efe437c2

Change-Id: I2c8b00a7377e3106f7cd1221202232a3621afe53
Related-bug: 1628481

jenkins/jobs/octavia.yaml

@@ -44,3 +44,50 @@
     publishers:
       - devstack-logs
       - console-log
+- job-template:
+    name: '{pipeline}-octavia-{octaviaversion}-dsvm-{octaviatest}-multinode{job-suffix}'
+    node: '{node}'
+
+    wrappers:
+      - build-timeout:
+          timeout: 130
+      - timestamps
+
+    builders:
+      - print-template-name:
+          template-name: "{template-name}"
+      - link-logs
+      - net-info
+      - devstack-checkout
+      - shell: |
+          #!/bin/bash -xe
+          export PYTHONUNBUFFERED=true
+          export DEVSTACK_GATE_TEMPEST=1
+          export DEVSTACK_GATE_TEMPEST_NOTESTS=1
+          export DEVSTACK_GATE_EXERCISES=0
+          export DEVSTACK_GATE_NEUTRON=1
+          export DEVSTACK_GATE_INSTALL_TESTONLY=1
+          export DEVSTACK_GATE_TOPOLOGY="multinode"
+          export BRANCH_OVERRIDE={branch-override}
+          if [ "$BRANCH_OVERRIDE" != "default" ] ; then
+              export OVERRIDE_ZUUL_BRANCH=$BRANCH_OVERRIDE
+          fi
+          export PROJECTS="openstack/barbican $PROJECTS"
+          export PROJECTS="openstack/python-barbicanclient $PROJECTS"
+
+          function gate_hook {{
+              $BASE/new/octavia/octavia/tests/contrib/gate_hook.sh tempest {octaviaversion} {octaviatest}
+          }}
+          export -f gate_hook
+
+          function post_test_hook {{
+              $BASE/new/octavia/octavia/tests/contrib/post_test_hook.sh tempest {octaviaversion} {octaviatest}
+          }}
+          export -f post_test_hook
+
+          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

jenkins/jobs/projects.yaml

@@ -7865,6 +7865,13 @@
           branch-override: default
           octaviaversion: v1
           octaviatest: scenario
+      - '{pipeline}-octavia-{octaviaversion}-dsvm-{octaviatest}-multinode{job-suffix}':
+          pipeline: gate
+          node: ubuntu-xenial-2-node
+          job-suffix: '-nv'
+          branch-override: default
+          octaviaversion: v1
+          octaviatest: scenario
 
 - project:
     name: ooi

zuul/layout.yaml

@@ -11902,6 +11902,8 @@ projects:
       - gate-neutron-lbaasv2-dsvm-loadbalancer
       - gate-neutron-lbaasv2-dsvm-member
       - gate-neutron-lbaasv2-dsvm-pool
+    experimental:
+      - gate-octavia-v1-dsvm-scenario-multinode-nv
 
   - name: openstack/ooi
     template: