User Story:

As a (user persona), I want to be able to open SSH connection the cluster nodes over IPv6

Acceptance Criteria:

Description of criteria:

• SSH over IPv6 should be allowed from the security group's ingress rule.

(optional) Out of Scope:

Detail about what is specifically not being delivered in the story

Engineering Details:

• (optional) https://github/com/link.to.enhancement/
• (optional) https://issues.redhat.com/link.to.spike
• Update https://github.com/openshift/installer/blob/b21fbe78ac0aae288d630fb44784064bd92435b8/pkg/asset/manifests/aws/cluster.go#L33-L36
• Also check https://github.com/openshift/installer/blob/b21fbe78ac0aae288d630fb44784064bd92435b8/pkg/gather/ssh/ssh.go to see if additional changes are required
• Security groups allow source CIDRs to be IPv6 CIDR blocks.

This requires/does not require a design proposal.
This requires/does not require a feature gate.