kops HA test on AWS, running in us-west-2
kops HA test on AWS, running in us-west-2

We lock to us-west-2 because we don't (currently) seem to have any
infrastructure availability issues there.

GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid