How to restore ClusterRoles when accidentally deleted all ClusterRoles on OCP cluster

Issue

• Accidentally deleted all ClusterRoles on the cluster
• Can not login to API endpoint of the cluster using any user account
• kubeadmin user also not available
• Ran command oc delete ClusterRoles --all accidentally as cluster-admin

Logs

The OCP cluster is reporting following errors:

When trying to access api endpoint

$ oc get nodes
Error from server (Forbidden): nodes is forbidden: User "admin" cannot list resource "nodes" in API group "" at the cluster scope: RBAC: [clusterrole.rbac.authorization.k8s.io "basic-user" not found, clusterrole.rbac.authorization.k8s.io "cluster-admin" not found]

From one of the master nodes

$ oc adm policy who-can add clusterrole
Error during evaluation, results may not be complete: [clusterrole.rbac.authorization.k8s.io "cluster-admin" not found, clusterrole.rbac.authorization.k8s.io "basic-user" not found, clusterrole.rbac.authorization.k8s.io "admin" not found, clusterrole.rbac.authorization.k8s.io "alertmanager-main" not found, clusterrole.rbac.authorization.k8s.io "cloud-credential-operator-role" not found]