How easy to get start with your 1st Openshift 4 cluster (IPI on vSphere)
Starting with Openshift version 4, IPI (Installer Provisioned Infrastructure) gives you quick start to setup full stack Openshift cluster on your local hypervisor. The following is providing end-to-end tutorials;
From your DNS server, input two new IP addresses for "api.<cluster name>" & "*.apps.<cluster name>"
Prepare installation client machine, which can be in Linux, Mac or Windows. Download Openshift installer from Red Hat and extract into directory
Create ssh key pair and add private key as daemon service, the example will be on Linux.
Download and update vSphere certs and other informations from the vCenter.
Run the installer and installation being started
Enter those information on the following, use arrow scroll to select your proper configurations. "Pull Secret" can be downloaded from your Red Hat subscription account.
Installation is being started. Please note that on going installation process will be fully automated without any user interaction until finish.
On the vCenter console, you could see 3 master nodes are being provisioned automatically
Bootstrap machine is being provisioned. The bootstrap machine will be removed once Cluster installation complete.
During installation you could found something errors, it is normal as master node are waiting bootstrap machine is ready.
Bootstrap process complete and going to remove the machine
Final process, starting to provision worker nodes and initialize the new Openshift cluster.
Congratulations, your first Openshift cluster has been provisioned. Please note that infrastructure node will not be defined at the moment. You can make the Infrastructure nodes after installation. Now can go to console page and login, default user name and password can be found in the last output message. For production, please remove it after creating new cluster admin login account.