We have a standard GKE Private cluster (not autopilot) and use the control plane authorized networks to allow access for the admins. Just recently, we get the following error message when we try to add a CIDR to the authorized networks:
Invalid value for “cluster.master_authorized_networks_config”: enabling “cluster.master_authorized_networks_config.gcp_public_cidrs_access_enabled” on vpc peering private clusters is not supported.
Invalid value for “cluster.master_authorized_networks_config”: enabling “cluster.master_authorized_networks_config.gcp_public_cidrs_access_enabled” on vpc peering private clusters is not supported.
Invalid value for “cluster.master_authorized_networks_config”: enabling “cluster.master_authorized_networks_config.gcp_public_cidrs_access_enabled” on vpc peering private clusters is not supported.
Invalid value for “cluster.master_authorized_networks_config”: enabling “cluster.master_authorized_networks_config.gcp_public_cidrs_access_enabled” on vpc peering private clusters is not supported.