Change workers to be static when using kubernates
Change workers to be static when using kubernates

When orchestration engine is Kubernates,
ansible_processor_vcpus is not defined.

This patch changes workers to be static when using kubernates

Change-Id: I4d77b2e48ea24c4ca8b86ec5b7e6029c054b247a
Closes-Bug: #1609206

openstack/kolla,mrangana/kolla,mandre/kolla,nihilifer/kolla,stackforge/kolla,GalenMa/kolla,openstack/kolla,coolsvap/kolla,GalenMa/kolla,stackforge/kolla,nihilifer/kolla,mandre/kolla,dardelean/kolla-ansible,mrangana/kolla,mandre/kolla,intel-onp/kolla,rahulunair/kolla,intel-onp/kolla,dardelean/kolla-ansible,rahulunair/kolla,coolsvap/kolla,dardelean/kolla-ansible,coolsvap/kolla,stackforge/kolla