GlusterFS with external VMs, terraform/os included

cluster.yml

contrib/network-storage/glusterfs/README.md

contrib/network-storage/glusterfs/glusterfs.yml

contrib/network-storage/glusterfs/inventory.example

contrib/network-storage/glusterfs/roles/glusterfs/README.md

...torage/glusterfs/roles/glusterfs/client/defaults/main.yml

...rk-storage/glusterfs/roles/glusterfs/client/meta/main.yml

...k-storage/glusterfs/roles/glusterfs/client/tasks/main.yml

...e/glusterfs/roles/glusterfs/client/tasks/setup-Debian.yml

...e/glusterfs/roles/glusterfs/client/tasks/setup-RedHat.yml

...torage/glusterfs/roles/glusterfs/server/defaults/main.yml

...rk-storage/glusterfs/roles/glusterfs/server/meta/main.yml

...k-storage/glusterfs/roles/glusterfs/server/tasks/main.yml

...e/glusterfs/roles/glusterfs/server/tasks/setup-Debian.yml

...e/glusterfs/roles/glusterfs/server/tasks/setup-RedHat.yml

.../glusterfs/roles/glusterfs/server/templates/test-file.txt

...k-storage/glusterfs/roles/glusterfs/server/tests/test.yml

...-storage/glusterfs/roles/glusterfs/server/vars/Debian.yml

...-storage/glusterfs/roles/glusterfs/server/vars/RedHat.yml

...age/glusterfs/roles/kubernetes-pv/ansible/tasks/main.yaml