Network Misconfigured for HCP Clusters

Solution Verified - Updated -

Environment

  • Red Hat OpenShift Service on AWS Hosted Control Planes (ROSA HCP)

Issue

  • The cluster failed to create load balancer for ingress.

Resolution

  • Fix the route table to make the private subnet pointing to a NAT in public subnet.
  • Remove the unexpected tags in subnets.
  • A better way is to delete the cluster, set up a clean environment, and install the clusters again.

Check this official document as a guide. Creating a Virtual Private Cloud for your ROSA with HCP

Root Cause

The issue is caused by VPC subnets misconfiguration.

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