Changing Node IP Address/Interface

Problem

• Post removing the node from the cluster, it's IP address was changed and then the node was rebooted. However when the node came back online it registered itself as 127.0.0.1. Requirement is to register it with it new changed IP Address.

Environment

• Platform9 Managed Kubernetes - All Versions
• Qbert

Answer

• For operations like IP Address/Interface change on the Cluster Node, the following order should be followed.
• Detach the Node -> Deauthorize it -> Change IP/Interface -> Reauthorize it -> Re-attach the node.