####python连接有kerberos验证的hiveserver2
import pyhs2
import thrift
config = {'krb_host':'hiveserver-$clustername.s3s.altiscale.com', 'krb_service':'hiveserver','hive.server2.proxy.user':'ceshi'}
db_conn=pyhs2.connect(host="hiveserver-$clustername.s3s.altiscale.com", port=10000, authMechanism="KERBEROS", user="", password="", configuration=config)
cur = db_conn.cursor()
cur.execute("use default")
cur.execute("show tables")
for i in cur: print i