This module use OpenStack API
cloud_user_name = "your username"
cloud_user_pass = "your password"
cloud_auth_url = "openstack url"
cloud_tenant_id ="openstack project name"
external_network_name = "external network name"
cloud_network_id = "internal network id"
cluster_VIP = "false" # default = false
#cluster_VIP is cluster virtual ip, by default use keepalived.
cluster_name = "cluster name"
vms_image_id = "image id"
vms_ssh_key = "ssh public key" # use for create key-pair
master_count = "master nodes count" # default = "1"
master_flavor_id = "master flavor id"
workers_count = "worker nodes count"
worker_flavor_id = "worker flavor id"
cluster_VIP = "true" # default = false
master_count = "3" # default = 1
master_name
master_inter_ip
master_fip
workers_names
workers_fips