mirror of
https://github.com/apache/impala.git
synced 2026-01-02 21:00:35 -05:00
Change-Id: Ic8e29efe63f6745e1ff44248657cbd7882bb16d9 Reviewed-on: http://gerrit.ent.cloudera.com:8080/1626 Reviewed-by: Lenni Kuff <lskuff@cloudera.com> Tested-by: jenkins Reviewed-on: http://gerrit.ent.cloudera.com:8080/1670 Reviewed-by: Alex Behm <alex.behm@cloudera.com>
61 lines
2.3 KiB
Python
61 lines
2.3 KiB
Python
#!/usr/bin/env python
|
|
# Copyright (c) 2012 Cloudera, Inc. All rights reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
#
|
|
# This script waits for the Hive Metastore service to become available by attempting
|
|
# to execute the get_database("default") Thrift RPC until the call succeeds,
|
|
# or a timeout is reached.
|
|
|
|
import time
|
|
from optparse import OptionParser
|
|
from tests.util.thrift_util import create_transport
|
|
|
|
# Imports required for Hive Metastore Client
|
|
from hive_metastore import ThriftHiveMetastore
|
|
from thrift.transport import TTransport, TSocket
|
|
from thrift.protocol import TBinaryProtocol
|
|
|
|
parser = OptionParser()
|
|
parser.add_option("--metastore_hostport", dest="metastore_hostport",
|
|
default="localhost:9083", help="Metastore hostport to wait for.")
|
|
parser.add_option("--transport", dest="transport", default="buffered",
|
|
help="Transport to use for connecting to HiveServer2. Valid values: "
|
|
"'buffered', 'kerberos', 'plain_sasl'.")
|
|
options, args = parser.parse_args()
|
|
|
|
metastore_host, metastore_port = options.metastore_hostport.split(':')
|
|
hive_transport = create_transport(metastore_host, metastore_port, "metastore",
|
|
options.transport)
|
|
protocol = TBinaryProtocol.TBinaryProtocol(hive_transport)
|
|
hive_client = ThriftHiveMetastore.Client(protocol)
|
|
|
|
# Try to connect to the Hive metastore
|
|
now = time.time()
|
|
TIMEOUT_SECONDS = 30.0
|
|
while time.time() - now < TIMEOUT_SECONDS:
|
|
try:
|
|
hive_transport.open()
|
|
resp = hive_client.get_database("default")
|
|
if resp is not None:
|
|
print "Metastore service is up at %s." % options.metastore_hostport
|
|
exit(0)
|
|
except Exception, e:
|
|
print "Waiting for the Metastore at %s..." % options.metastore_hostport
|
|
finally:
|
|
hive_transport.close()
|
|
time.sleep(0.5)
|
|
|
|
print "Metastore service failed to start within %s seconds." % TIMEOUT_SECONDS
|
|
exit(1)
|