Create ROSA Classic cluster with STS with specific VPC
### Background Information:
Prepare the ROSA CLI & AWS CLI

[ec2-user@ip-192-168-0-19 ~]$ oc version
Client Version: 4.15.6
Kustomize Version: v5.0.4-0.20230601165947-6ce0bf390ce3
Unable to connect to the server: dial tcp: lookup api.frankie1.zqdn.p1.openshiftapps.com on 192.168.0.2:53: no such host
[ec2-user@ip-192-168-0-19 ~]$ rosa version
1.2.37
I: There is a newer release version '1.2.39', please consider updating: https://console.redhat.com/openshift/downloads#tool-rosa
[ec2-user@ip-192-168-0-19 ~]$
[ec2-user@ip-192-168-0-19 ~]$ aws --version
aws-cli/2.15.36 Python/3.11.8 Linux/5.14.0-362.18.1.el9_3.x86_64 exe/x86_64.rhel.9 prompt/off

AWS setting




Go to console.redhat.com. Log in to the ROSA CLI with your Red Hat account token and create AWS account roles and policies

rosa login --token="copy from the console.redhat.com...it will link to your account...dont share with other..."

rosa create account-roles --mode auto

## Create a ROSA Cluster with web interface
1. Choose "Classic"

2. select the correct AWS infrastructure account

3. input cluster details. select the correct AWS Region, i.e. ap-southeast-2. Select "multi-zone". Click "Advanced Encryption", enabled "etcd encryption" if needed.


4. In "Networking Configuration", click install into an existing VPC.




5. Use the default value for "Cluster updates"


6. Wait for the Cluster installation complete



7. Create a temporary user using htpasswd in console.redhat.com. Grant the user cluster-admins right. You have to wait for 5 mins before you can login.



8. Delete the cluster after testing