Explicitly set jobs to ML2/OVS

Devstack is changing the Neutron default to OVN backend. This patch is
to make sure Ironic gate will not get broken by this change as currently
OVN doesn't support baremetal nodes.

Change-Id: I0745e07d32e3455fad2a2249c31f279fd1d38b5b
Signed-off-by: Jakub Libosvar <libosvar@redhat.com>

zuul.d/ironic-jobs.yaml

@@ -55,6 +55,7 @@
 
         Q_AGENT: openvswitch
         Q_ML2_TENANT_NETWORK_TYPE: vxlan
+        Q_ML2_PLUGIN_MECHANISM_DRIVERS: openvswitch
         SERVICE_TIMEOUT: 90
 
       devstack_plugins:
@@ -71,6 +72,9 @@
         q-meta: true
         q-metering: true
         q-svc: true
+        ovn-controller: false
+        ovn-northd: false
+        q-ovn-metadata-agent: false
 
         c-api: False
         c-bak: False
@@ -516,6 +520,7 @@
         Q_AGENT: openvswitch
         Q_ML2_TENANT_NETWORK_TYPE: vlan
         Q_PLUGIN: ml2
+        Q_ML2_PLUGIN_MECHANISM_DRIVERS: openvswitch
         SWIFT_ENABLE_TEMPURLS: True
         SWIFT_TEMPURL_KEY: secretkey
         TENANT_VLAN_RANGE: 100:150
@@ -565,6 +570,9 @@
         q-meta: True
         q-metering: True
         q-svc: True
+        ovn-controller: False
+        ovn-northd: False
+        q-ovn-metadata-agent: False
         rabbit: True
     group-vars:
       subnode:
@@ -590,6 +598,7 @@
           OVS_BRIDGE_MAPPINGS: 'mynetwork:sub1brbm,public:br-infra'
           OVS_PHYSICAL_BRIDGE: sub1brbm
           PHYSICAL_NETWORK: mynetwork
+          Q_AGENT: openvswitch
           Q_ML2_TENANT_NETWORK_TYPE: vlan
           VIRT_DRIVER: ironic
           PUBLIC_BRIDGE: br-infra
@@ -602,6 +611,9 @@
           cinder: False
 
           q-agt: True
+          ovn-controller: False
+          ovn-northd: False
+          q-ovn-metadata-agent: False
           n-cpu: True
 
 - job: