Files
impala/testdata/bin/wait-for-hbase-master.py

31 lines
891 B
Python

# Copyright (c) Cloudera 2012.
from subprocess import Popen, PIPE
import time
now = time.time()
TIMEOUT_SECONDS = 30.0
while time.time() - now < TIMEOUT_SECONDS:
print "Polling /hbase/rs"
p = Popen(["java",
"org.apache.zookeeper.ZooKeeperMain",
"-server",
"localhost:2181",
"get",
"/hbase/rs"], stderr=PIPE, stdout=PIPE)
out, err = p.communicate()
if "Could not find the main class: org.apache.zookeeper.ZooKeeperMain" in err:
print """CLASSPATH does not contain org.apache.zookeeper.ZooKeeperMain.
Have you run mvn dependency:unpack-dependencies from $IMPALA_HOME/fe?"""
exit(1)
if "numChildren" in err:
print "HBase master is up, found in %2.1fs" % (time.time() - now,)
exit(0)
time.sleep(0.5)
print "Hbase master did NOT write /hbase/rs in %2.1fs" % (time.time() - now,)
exit(1)