Constant DATA_PLANE_POD_SELECTOR 

const DATA_PLANE_POD_SELECTOR: &str = "app.kubernetes.io/name in (environmentd,clusterd),materialize.cloud/organization-name,materialize.cloud/organization-namespace";

Label selector matching the pods which must be moved before their node goes away: environmentd and clusterd pods, which are moved between generations by the rollout machinery. Balancerd and console pods are stateless deployments and can be drained normally.