GlusterFS with external VMs, terraform/os included

...v/ansible/templates/glusterfs-kubernetes-endpoint.json.j2

...netes-pv/ansible/templates/glusterfs-kubernetes-pv.yml.j2

contrib/network-storage/glusterfs/roles/kubernetes-pv/lib

...work-storage/glusterfs/roles/kubernetes-pv/meta/main.yaml

contrib/terraform/openstack/README.md

contrib/terraform/openstack/kubespray.tf

contrib/terraform/openstack/variables.tf

contrib/terraform/terraform.py