This setup includes configuration for Prod & UAT setup (ocp4). The only change with production OpenShift setup includes configuration of 3 worker nodes & 5 infra nodes.
Other OpenShift setups in the above file are.
- Prod DC Noida cluster (ocp4)
| Name | IP Address Pool | Comments |
|---|---|---|
| Cluster Network | 10.128.0.0/14 | Non Routable |
| Service Network | 172.30.0.0/16 | Non Routable |
| Host Network | 192.168.1.0/24 | Routable |
| Services | Hosts | Comments |
|---|---|---|
| DNS Server | 192.168.1.195 | Nameserver VIP for OCP nodes. |
| DHCP Server | N/A | Static IPs will be used for OCP nodes |
| HTTP Server | 192.168.1.195 | Required during deployment or while adding new nodes in OCP Cluster. |
| VIP | URL | Port | LB IP Pool | Type |
|---|---|---|---|---|
| 192.168.1.31 | api.ocp4.example.com | 6443, 22623 | 192.168.1.207, 192.168.1.198 | Passthrough (layer 4 routing) |
| 192.168.1.32 | api-int.ocp4.example.com | 6443, 22623 | 192.168.1.207, 192.168.1.198 | Passthrough (layer 4 routing) |
| 192.168.1.33 | *.apps.ocp4.example.com | 443, 80 | 192.168.1.201, 192.168.1.202 | Passthrough (layer 4 routing) |
The OCP v4.15. is a connected mode implementation where internet access is provided on the OpenShift cluster using an Internet. Download the require Binaries.
- https://developers.redhat.com/content-gateway/file/pub/openshift-v4/clients/mirror-registry/latest/mirror-registry.tar.gz
- https://mirror.openshift.com/pub/openshift-v4/clients/ocp/4.15.0/oc-mirror.tar.gz
- https://mirror.openshift.com/pub/openshift-v4/clients/ocp/4.15.0/openshift-client-linux-4.15.0.tar.gz
- https://mirror.openshift.com/pub/openshift-v4/clients/ocp/4.15.0/openshift-install-linux-4.15.0.tar.gz
- https://mirror.openshift.com/pub/openshift-v4/clients/pipeline/latest/tkn-linux-amd64.tar.gz
- https://mirror.openshift.com/pub/openshift-v4/dependencies/rhcos/4.15/latest/rhcos-4.15.0-x86_64-live.x86_64.iso
- https://mirror.openshift.com/pub/openshift-v4/dependencies/rhcos/4.15/latest/rhcos-4.15.0-x86_64-vmware.x86_64.ova
| Server FQDN | IP | Role | Subs Used | OS |
|---|---|---|---|---|
| reg01.ocp4.example.com | 192.168.1.195 | Bastion | N/A | RHCOS |
| bastion.ocp4.example.com | 192.168.1.196 | Haproxy | N/A | RHCOS |
| boot.ocp4.example.com | 192.168.1.197 | bootstrap | N/A | RHCOS |
| mstr01.ocp4.example.com | 192.168.1.198 | Master | N/A | RHCOS |
| Application | Storage Type | CSI Driver | Mount Path | Size |
|---|---|---|---|---|
| Registry | File | NFS Server | /ocpregistry | 500Gi |
| Monitoring | Block | DELL CSI | /prometheus | 25Gi |
| Alert Manager | Block | DELL CSI | /alertmanager | 25Gi |
| Logging | Block | DELL CSI | /elasticsearch/persistent | 100Gi |
| Application | File | NFS Server | NA | NA |
Now, Follow the following steps.