Use kubernetes HTTPS endpoint in devstack for kuryr-kubernetes

We were carrying the unsecured connectivity since before we added https support to kuryr. It is overdue to get rid of unsecure default connectivity.

Improve control plane performance of the Port deletion flows for kuryr-kubernetes

We need to speed up a lot the performance of the time between the Pod being marked deleted in the Kubernetes API and CNI returning with the port already deleted. This implies two things: - Return used ports as quickly and cheaply as possible to the pool if pools are in use. - Reduce the work and calls done in the C...

Improve control plane performance of the Port creation flows for kuryr-kubernetes

In order for Kuryr-Kubernetes to give good performance in very dynamic environment we need to improve a lot the design of the flow so that the time it takes from a pod being created to our CNI returning after setting up the networking gets cut by about 20x

Use ovsdbapp for ovs interaction for kuryr-kubernetes

Ovsdbapp is a new OpenStack project split off Neutron that provides a native way to perform OpenvSwitch transactions. Up until now, we were just creating a cli ovs-vsctl process. This way it will be more efficient and clean.

Migrate from netaddr to the backport of Python3.3+ ipaddress for kuryr

Kuryr-lib is compatible with both Python2 and Python3. Python 3.3+ has a new stdlib called ipaddress that serves a similar purpose to netaddr. By moving to ipaddress we futureproof our code and get rid of an external dependency on Python3.