drill.exec: {
  cluster-id: "drillbits1",
  zk.connect: "127.0.0.1:2181",
  http.ssl_enabled: true,
  encryption.sasl.enabled: true,
  encryption.sasl.max_wrapped_size: 65536,
  impersonation: {
    enabled: true,
    max_chained_user_hops: 3
  },
  security: {
        auth.mechanisms : ["PLAIN"],
   },
  security.user.auth: {
          enabled: true,
          packages += "org.apache.drill.exec.rpc.user.security",
          impl: "pam",
          pam_profiles: [ "sudo", "admin2" ]
   }

}

**pam_unix(sudo:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=  user=admin2**