Initial Kuryr Ports Pool Support

This commits enables the ports pool driver when deploying kuryr
networking on top of OpenShift in containers. It also exposes
some configuration options such as the maximum and minimum pool
sizes, as well as the bulk subports creation size and the time
between pools update actions.

2 files changed, 13 insertions, 0 deletions

diff --git a/roles/kuryr/README.md b/roles/kuryr/README.md
index 7b618f902..269788a11 100644
--- a/roles/kuryr/README.md
+++ b/roles/kuryr/README.md
@@ -31,6 +31,11 @@ pods. This allows to have interconnectivity between pods and OpenStack VMs.
 * ``kuryr_openstack_pod_service_id=service_subnet_uuid``
 * ``kuryr_openstack_pod_project_id=pod_project_uuid``
 * ``kuryr_openstack_worker_nodes_subnet_id=worker_nodes_subnet_uuid``
+* ``kuryr_openstack_enable_pools=True``
+* ``kuryr_openstack_pool_max=0``
+* ``kuryr_openstack_pool_min=1``
+* ``kuryr_openstack_pool_batch=5``
+* ``kuryr_openstack_pool_update_frequency=20``
 
 ## Kuryr resources
 
diff --git a/roles/kuryr/templates/configmap.yaml.j2 b/roles/kuryr/templates/configmap.yaml.j2
index e874d6c25..6bf6c1db2 100644
--- a/roles/kuryr/templates/configmap.yaml.j2
+++ b/roles/kuryr/templates/configmap.yaml.j2
@@ -161,6 +161,14 @@ data:
     # The driver that provides VIFs for Kubernetes Pods. (string value)
     pod_vif_driver = nested-vlan
 
+    # The driver that manages VIFs pools for Kubernetes Pods (string value)
+    vif_pool_driver = {{ kuryr_openstack_enable_pools | default(False) | ternary('nested', 'noop') }}
+
+    [vif_pool]
+    ports_pool_max = {{ kuryr_openstack_pool_max | default(0) }}
+    ports_pool_min = {{ kuryr_openstack_pool_min | default(1) }}
+    ports_pool_batch = {{ kuryr_openstack_pool_batch | default(5) }}
+    ports_pool_update_frequency = {{ kuryr_openstack_pool_update_frequency | default(20) }}
 
     [neutron]
     # Configuration options for OpenStack Neutron