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-> ./add-node.py --node_type=storage
Configured inventory values:
	 console_port:  8443
	 deployment_type:  openshift-enterprise
	 openshift_vers:  v3_5
	 vcenter_host:  10.19.114.25
	 vcenter_username:  [email protected]
	 vcenter_password:  100Root-
	 vcenter_template_name:  ocp-server-template-2.0.2
	 vcenter_folder:  ocp35

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---
- hosts: localhost
  connection: local
  gather_facts: no
  become: no
  vars_files:
  - vars/main.yaml
  roles:
  # Group systems
  - create-vm-crs-prod-ose

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         data = {}
         data = '{ "clusters": [ { "nodes": [ '
 
         for i in range(0, int(self.node_number)):
            #determine node_number increment on the number of nodes 
            if self.node_type == 'app':
                node_ip = int(self.app_nodes) + i
                guest_name = self.node_type + '-' + str(node_ip)
            if self.node_type == 'infra':
                node_ip = int(self.infra_nodes) + i

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-> cat ocp-on-vmware.ini 
[vmware]
# console port and install type for OpenShift
console_port=8443
# choices are: openshift-enterprise or origin
deployment_type=openshift-enterprise

# OpenShift Version
openshift_vers: v3_5

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[OSEv3:children]
masters
etcd
nodes

[OSEv3:vars]
deployment_type=openshift-enterprise
ansible_ssh_user=root
openshift_additional_repos=[{'id': 'ose-devel', 'name': 'ose-devel', 'baseurl': 'http://download.eng.bos.redhat.com/rcm-guest/puddles/RHAOS/AtomicOpenShift/3.5/latest/x86_64/os/', 'enabled': 1, 'gpgcheck': 0}]
oreg_url='registry.ops.openshift.com/openshift3/ose-${component}:${version}'

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# Additional drivers for vmware and hyperv
echo 'add_drivers+="mptspi vmw_pvscsi "'    > /etc/dracut.conf.d/vmware-fusion-drivers.conf
echo 'add_drivers+="hv_storvsc hv_netvsc "' > /etc/dracut.conf.d/hyperv-drivers.conf
# Rerun dracut for the installed kernel (not the running kernel):
KERNEL_VERSION=$(rpm -q kernel --qf '%{V}-%{R}.%{arch}\n')
dracut -f /boot/initramfs-$KERNEL_VERSION.img $KERNEL_VERSION

# Embed the system open-vm-tools container.
atomic pull --storage ostree brew-pulp-docker01.web.prod.ext.phx2.redhat.com:8888/rhel/open-vm-tools:latest 
atomic images tag --storage ostree brew-pulp-docker01.web.prod.ext.phx2.redhat.com:8888/rhel/open-vm-tools:latest registry.access.redhat.com/rhel7/open-vm-tools:latest

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[subs=+quotes]
----
$ *cd ~/git/openshift-ansible-contrib/reference-architecture/vmware-ansible/*
$ *./ocp-on-vmware.py --create_ocp_vars*
Configured OCP variables:
  ldap_fqdn: e2e.bos.redhat.com
  ldap_user: openshift
  ldap_user_password: password
  public_hosted_zone: vcenter.example.com
  app_dns_prefix: apps

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[[Add-Node]]
== Extending the Cluster
By default, the reference architecture playbooks are configured to deploy 3 master, 3 application, and 3 infrastructure nodes. This cluster size provides enough resources to get started with
deploying a few test applications or a Continuous Integration Workflow example. However, as the cluster begins to be utilized by more teams and projects, it will be become necessary to
provision more application or infrastructure nodes to support the expanding environment.  To facilitate easily growing the cluster, the `add-node.py` python script
(similar to `ocp-on-vmware.py`) is provided in the `openshift-ansible-contrib` repository. It will allow for provisioning either an Application or Infrastructure node per run and
can be ran as many times as needed.

=== Before Adding a Node
Verify the quantity and type of the nodes in the cluster by using the `oc get nodes` command. The output below is an example of a complete OpenShift environment after the deployment of the reference archit

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---
- hosts: localhost
  vars_files:
    - vars/main.yaml
  roles:
    - create-vm-prod-ose

- name: fulfill OSE3 prerequisites on production hosts roles
  hosts: production_group
  vars_files:

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{
    "ociVersion": "1.0.0",
    "platform": {
        "os": "linux",
        "arch": "amd64"
    },
    "process": {
        "terminal": false,
        "user": {},
        "args": [