Experimental gate for namespace subnet driver

It adds a experimental gate to check the namespace subnet driver
functionality

Depends-On: Iafc08ede300aecf1dc52135c6e51b89875e729d6

Change-Id: I79f47a7b915f310b728a50322ee0cbaa0f23c5b1

.zuul.yaml

@@ -44,6 +44,7 @@
         - kuryr-kubernetes-tempest-daemon-pools-lbaasv2
         - kuryr-kubernetes-tempest-daemon-containerized-lbaasv2
         - kuryr-kubernetes-tempest-daemon-containerized-octavia-l2
+        - kuryr-kubernetes-tempest-daemon-containerized-octavia-namespace
 
 - nodeset:
     name: openstack-centos-7-single-node
@@ -364,6 +365,18 @@
       devstack_localrc:
         KURYR_K8S_CONTAINERIZED_DEPLOYMENT: true
 
+- job:
+    name: kuryr-kubernetes-tempest-daemon-containerized-octavia-namespace
+    description: |
+      Tempest with Octavia, CNI daemon, containers and namespace subnet driver
+    parent: kuryr-kubernetes-tempest-daemon-containerized-octavia
+    vars:
+      tempest_test_regex: '^(kuryr_tempest_plugin.tests.scenario.test_namespace.TestNamespaceScenario.test_namespace)'
+      devstack_localrc:
+        KURYR_SUBNET_DRIVER: namespace
+        KURYR_ENABLED_HANDLERS: vif,lb,lbaasspec,namespace
+    voting: false
+
 - job:
     name: kuryr-kubernetes-tempest-daemon-containerized-openshift-lbaasv2
     description: Tempest with LBaaS v2, CNI daemon enabled, containers and OpenShift

devstack/plugin.sh

@@ -785,6 +785,9 @@ elif [[ "$1" == "stack" && "$2" == "test-config" ]]; then
     if is_service_enabled tempest && [[ "$KURYR_K8S_CONTAINERIZED_DEPLOYMENT" == "True" ]]; then
         iniset $TEMPEST_CONFIG kuryr_kubernetes containerized True
     fi
+    if is_service_enabled tempest && [[ "$KURYR_SUBNET_DRIVER" == "namespace" ]]; then
+        iniset $TEMPEST_CONFIG kuryr_kubernetes namespace_enabled True
+    fi
 fi
 
 if [[ "$1" == "unstack" ]]; then