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Process to install OKD 3.9 (Free OpenShift 3.9) + CNS in VirtualBox. Vagrant generate the VMs and resources for us. Ansible will install requistes and OKD 3.9 for us.

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okd3.9_centos7.5_cns's Introduction

Deploy OKD 3.9 (Free OpenShift 3.9) & CentOS 7 & VirtualBox & Vagrant & Ansible

Description

This document describe the process to install OKD 3.9 (Free OpenShift 3.9) in VirtualBox. Vagrant generate the VMs and resources for us. Ansible will install requistes and OKD 3.9 for us.

Requirements

VirtualBox 5.2.18

Vagrant version: Installed Version: 2.0.4

Vagrant  plugins:

    vagrant-disksize (0.1.2)

    vagrant-hostmanager (1.8.9)

    vagrant-persistent-storage (0.0.42)

    vagrant-share (1.1.9)

Vagrant box list:

    centos/7  (virtualbox, 1809.01)

Infrastructure

3 master nodes.

master-one (Bastion node)

master-two

master-three & CNS Node

1 infra node.

infra-one & CNS Node

1 app node.

app-one & CNS Node

1 lb (HA proxy) node

lb-one

CNS (Container Native Storage) as Storage solution.

Details

User Virtual Machine:

user: root

password: vagrant

user: vagrant

password: vagrant

Openshift admin user:

user: admin

password: r3dh4t1!

Download the project

git clone  https://github.com/felix-centenera/OKD3.9_CentOS7.5.git

Generate VirtualBox Machines with Vagrant

cd OKD3.9_CentOS7.5/vagrant/

vagrant up

Login in the bastion

vagrant ssh master-one

Prepare the bastion node

su root

ansible-playbook -i /root/ansible/inventories/bastion /root/ansible/playbooks/bastion.yml

Prepare the rest of the nodes for OKD 3.9

ansible-playbook -i /root/ansible/inventories/ocp /root/ansible/playbooks/preparation.yml

Check prerequisites of the nodes for OKD 3.9

ansible-playbook -i /root/ansible/inventories/ocp  /root/release-3.9/playbooks/prerequisites.yml

Install OKD 3.9

ansible-playbook -i /root/ansible/inventories/ocp /root/release-3.9/playbooks/deploy_cluster.yml

Post installation OKD 3.9

ansible-playbook -i /root/ansible/inventories/ocp /root/ansible/playbooks/postinstallation.yml

Prepare OKD 3.9

oc login -u system:admin -n default

oc adm policy add-cluster-role-to-user cluster-admin admin

oc patch storageclass glusterfs-storage -p '{"metadata": {"annotations": {"storageclass.kubernetes.io/is-default-class": "true"}}}'