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#!/usr/bin/env python
import sys
try:
from charmhelpers.core import hookenv
from charmhelpers.core import unitdata
from jujubigdata import utils
from jujubigdata.relations import Zookeeper
charm_ready = unitdata.kv().get('charm.active', False)
except ImportError:
charm_ready = False
if not charm_ready:
# might not have hookenv.action_fail available yet
from subprocess import call
call(['action-fail', 'Kafka service not yet ready'])
# Grab the business
topic_name = hookenv.action_get('topic')
# Delete the topic if we've got zookeepers; otherwise fail.
if Zookeeper().connected_units() and Zookeeper().is_ready():
zks = []
for unit, data in Zookeeper().filtered_data().items():
ip = utils.resolve_private_address(data['private-address'])
zks.append("%s:%s" % (ip, data['port']))
zks.sort()
zookeepers = ",".join(zks)
output = utils.run_as('kafka', 'kafka-topics.sh',
'--zookeeper', zookeepers, '--delete',
'--topic', topic_name,
capture_output=True)
hookenv.action_set({'output': output})
else:
hookenv.action_fail('Zookeeper relation is not present/ready')
sys.exit()
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