This guide explains how to deploy OpenShift on Bare Metal (UPI) in a VMware environment using a Service Node, Bootstrap Node, Control Plane, and Worker Nodes.
Log in to Redhat Console:
Goto - > Clusters -> Data Center -> Other Datacenter Options -> (Bare Mtail /x86_64)
References:
Requirements:
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0 |
Service node/bastion |
Any linux, I am using Rocky |
2 interfaces: Eth0 , eth1 Eth0 for external, using NAT, automatic IP. Eth1 is internal hostonly. (192.168.22.1/24) |
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Services |
Firewall/router, DNS, webserver, ingress |
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Openshift Installer |
Installer script from console.redhat |
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Pull secret |
From redhat console |
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Cli agent tools |
Client tools |
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Redhat core os iso file to boot |
Rhcos*.io |
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Redhat core os raw.gz file |
Rhcos*.raw.gz |
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Ignition files |
Run with raw.gz files on nodes with the coreos-installer command |
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NAT, IP forwarding |
Enable using firewalld |
From internal to external |
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1 |
Bootstrap node |
based on the installer |
nmtui:ip 22.200, gw 22.1, ns: 22.1, search domain: ocp.lan |
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2 |
Masters |
based on the installer |
nmtui:ip 22.201-203, gw 22.1, ns: 22.1, search domain: ocp.lan |
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3 |
Workers |
based on the installer |
nmtui :ip 22.211-213, gw 22.1, ns: 22.1, search domain: ocp.lan |
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4 |
VMware VMX files |
In all VMs' vmx file, add this before booting |
Disk.EnableUUID = "TRUE" |
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5 |
Vm storage |
Check drive type ·
SCSI / SATA controllers →
Devices show up as /dev/sdX. ·
NVMe controllers →
Devices show up as /dev/nvmeXnY |
lsblk |
