Any pointers on how to install Openshift 4.1 on pre existing VMs ?
Hi,
I have pre-existing virtual machines that I need to use to install Openshift 4.1 and create a cluster. All the VMs can talk to each other and their IP addressed wont change. Can someone please provide me a detailed installation process for this setup ? I saw the bare metal documentation but I am not sure if all the steps apply to my virtual machines and some steps are not clear, especially how do I get coreOS to install on my VMs ? Where do I run the load balancer ? Do I require 1 or 2 load balancers ? Where is the infra node if there are 3 masters needed ? Where does the router run ?
Also is the http server creation mandatory ? Is there a chance I can use any existing one ?
I also want to use Container Native storage in 4.1. IS it possible ? IF yes, how do I install/configure it ?
Regards
I answer your question as inline.
I have pre-existing virtual machines that I need to use to install Openshift 4.1 and create a cluster. All the VMs can talk to each other and their IP addressed wont change. Can someone please provide me a detailed installation process for this setup ?
Refer OpenShift 4.1 Bare Metal Install Quickstart for more details.
I saw the bare metal documentation but I am not sure if all the steps apply to my virtual machines and some steps are not clear, especially how do I get coreOS to install on my VMs ?
The VM should boot with RHCOS iso image which can download from cloud.redhat.com.
Where do I run the load balancer ? Do I require 1 or 2 load balancers ?
If your object is testing, then you can create the LB using HAProxy, refer Load Balancer section OpenShift 4.1 Bare Metal Install Quickstart - Load Balancer.
Where is the infra node if there are 3 masters needed ?
3 masters are required for automatic upgrade. Because the upgrade is conducted by rolling update ways.
Where does the router run ?
It's run on a worker node by default. So you need one compute node as least.
Also is the http server creation mandatory ? Is there a chance I can use any existing one ?
Why not ?, you can use existing web server to provide some contents which is required when OCP4 installation. You just add related configuration to existing web server.
I also want to use Container Native storage in 4.1. IS it possible ? IF yes, how do I install/configure it ?
Sorry about this question, I have no idea...