hive connection by kerberos authentication

[jon-qj]

I enabled kerberos in sandbox HDP 3.1.5, but fail to connect hive server2.
jdbc url: jdbc:hive2://hostname1:2181,hostname2:2181,hostname3:2181/;serviceDiscoveryMode=zooKeeper;zooKeeperNamespace=hiveserver2;principal=hive/hostname1@REALM
and as we know,this url has limitations,so I try to make it universal.
1、each node has own keytab which principal has 3 parts: primary/instance@REALM
Obviously,it has a problem that each node has own specific principal.
2、set hive@${realm} for hive.server2.authentication.kerberos.principal

3、save it,and check each node's hive.service.keytab file,like hostname1 host:
klist -ket hive.service.keytab
....
4 11/17/2021 11:35:42 hive/hostname1@REALM (des-cbc-md5)
...
3 11/17/2021 11:35:42 hive@REALM (des-cbc-md5)
...
4、test this program in each node

5、it's done. I will test it in DS.