Add environment file for multinode tests on RDO Cloud

The multinode-rdocloud.yml file includes the change in
vxlan MTU value for RDO Cloud.

Depends-On: I15d9306b7c7dac22abbaa61da4bded200cf5bf2e
Change-Id: I7523e5dfa0cb2dd58d373ef8022ae5e01a3e4adf

toci-quickstart/config/testenv/multinode-rdocloud.yml

@@ -0,0 +1,26 @@
+# TRIPLEO-CI environment settings
+undercloud_user: "{{ lookup('env','USER') }}"
+non_root_user: "{{ undercloud_user }}"
+extra_args: >
+    -e {{ tripleo_root }}/tripleo-ci/test-environments/worker-config.yaml
+    -e /usr/share/openstack-tripleo-heat-templates/environments/debug.yaml
+    --overcloud-ssh-user {{ undercloud_user }}
+
+composable_roles: true
+overcloud_roles:
+  - name: Controller
+    CountDefault: 1
+    tags:
+      - primary
+      - controller
+
+toci_vxlan_networking: true
+toci_vxlan_networking_multinode: true
+vxlan_mtu: 1350
+hostname_correction: true # workaround restriction on toci images
+
+# environment settings, not TRIPLEO-CI specific
+undercloud_local_interface: "br-ex" # related to osinfra network configuration
+flavor_args: ""
+undercloud_conf_extras: "net_config_override = /opt/stack/new/tripleo-ci/undercloud-configs/net-config-multinode.json.template"
+generate_pingtest_subunit: true

toci_gate_test-oooq.sh

@@ -136,7 +136,11 @@ for JOB_TYPE_PART in $(sed 's/-/ /g' <<< "${TOCI_JOBTYPE:-}") ; do
                 --extra-vars @config/general_config/featureset-multinode-common.yml
                 $FEATURESET_CONF
             "
-            ENV_VARS="$ENV_VARS --environment $TRIPLEO_ROOT/tripleo-ci/toci-quickstart/config/testenv/multinode.yml"
+            if [[ $NODEPOOL_PROVIDER == "rdo-cloud-tripleo" ]]; then
+                ENV_VARS="$ENV_VARS --environment $TRIPLEO_ROOT/tripleo-ci/toci-quickstart/config/testenv/multinode-rdocloud.yml"
+            else
+                ENV_VARS="$ENV_VARS --environment $TRIPLEO_ROOT/tripleo-ci/toci-quickstart/config/testenv/multinode.yml"
+            fi
             UNDERCLOUD="127.0.0.2"
             TAGS="build,undercloud-setup,undercloud-scripts,undercloud-install,undercloud-post-install,overcloud-scripts,overcloud-prep-config,overcloud-prep-containers,overcloud-deploy,overcloud-upgrade,overcloud-validate"
             CONTROLLER_HOSTS=$(sed -n 1,1p /etc/nodepool/sub_nodes)