OpenShift Bastion Node Installer

Install the dns, loadbalancer, http server and generate the ignition files automatically.

P.S. For install the whole OpenShift Cluster automatically, you can use the following project

https://github.com/RedHatOfficial/ocp4-vsphere-upi-automatio

Requirements

Ansible 2.6+ Ansible Navigator

Role Variables

# enable or disable
online: true
firewalld_disable: true
selinux_disable: true

# DNS
dns_configure: true
interface: ens33
dns_upstream: 8.8.8.8

# DNS check
dns_check: true
dns_ip: 172.20.11.50

# LB
haproxy_configure: true

# Registry
registry_configure: false
mirrorRegistryDir: /root/install_source/mirror-registry.tar.gz
quayRoot: /mirror-registry
quayStorage: /mirror-registry/storage
registryPassword: P@ssw0rd

# OCP
# define the cluster name for cluster
clusterName: ocp4
# define the base domain for cluster
baseDomain: demo.lab
# define the resource files absolute path
sshKeyDir: /root/.ssh/id_rsa.pub
ocpInstallDir: /root/install_source/openshift-install-rhel9-amd64.tar.gz
ocpClientDir: /root/install_source/openshift-client-linux-amd64-rhel9-4.16.26.tar.gz
# for online install
pullSecretDir: /root/install_source/pull-secret.txt

# Mirroring from disk to mirror
mirror: false
ocmirrorSource: /root/install_source/oc-mirror.rhel9.tar.gz
imageSetFile: /root/install_source
reponame: ocp416

# Nodes
bastion:
  name: bastion
  ip: 172.20.11.50
bootstrap:
  name: bootstrap
  ip: 172.20.11.60
master:
- name: master01
  ip: 172.20.11.51
- name: master02
  ip: 172.20.11.52
- name: master03
  ip: 172.20.11.53
master:
- name: infra01
  ip: 172.20.11.54
- name: infra02
  ip: 172.20.11.55
- name: infra03
  ip: 172.20.11.56
worker:
- name: worker01
  ip: 172.20.11.57
- name: worker02
  ip: 172.20.11.58
- name: worker03
  ip: 172.20.11.59

Example Playbook

Including an example of how to use your role (for instance, with variables passed in as parameters) is always nice for users too:

- hosts: all
  remote_user: root
  vars_files:
  - env.yml
  roles:
  - ocp_bastion_installer

Example Inventory

bastion.ocp4.demo.lab ansible_host=172.20.11.50

How to use

Generate an SSH key pair

ssh-keygen

Copy the key to bastion

ssh-copy-id root@<bastion>

Run playbook