Allow disruption controller to read statefulsets

Author: foxish

plugin/pkg/auth/authorizer/rbac/bootstrappolicy/controller_policy.go

@@ -108,6 +108,7 @@ func init() {
 			rbac.NewRule("get", "list", "watch").Groups(extensionsGroup).Resources("replicasets").RuleOrDie(),
 			rbac.NewRule("get", "list", "watch").Groups(legacyGroup).Resources("replicationcontrollers").RuleOrDie(),
 			rbac.NewRule("get", "list", "watch").Groups(policyGroup).Resources("poddisruptionbudgets").RuleOrDie(),
+			rbac.NewRule("get", "list", "watch").Groups(appsGroup).Resources("statefulsets").RuleOrDie(),
 			rbac.NewRule("update").Groups(policyGroup).Resources("poddisruptionbudgets/status").RuleOrDie(),
 			eventsRule(),
 		},