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82 lines
3.2 KiB
82 lines
3.2 KiB
# Licensed to the Apache Software Foundation (ASF) under one or more |
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# contributor license agreements. See the NOTICE file distributed with |
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# this work for additional information regarding copyright ownership. |
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# The ASF licenses this file to You under the Apache License, Version 2.0 |
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# (the "License"); you may not use this file except in compliance with |
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# the License. You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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from ducktape.services.service import Service |
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from kafkatest.services.kafka.directory import kafka_dir |
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import subprocess |
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import time |
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class ZookeeperService(Service): |
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logs = { |
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"zk_log": { |
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"path": "/mnt/zk.log", |
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"collect_default": True} |
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} |
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def __init__(self, context, num_nodes): |
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""" |
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:type context |
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""" |
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super(ZookeeperService, self).__init__(context, num_nodes) |
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def start_node(self, node): |
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idx = self.idx(node) |
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self.logger.info("Starting ZK node %d on %s", idx, node.account.hostname) |
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node.account.ssh("mkdir -p /mnt/zookeeper") |
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node.account.ssh("echo %d > /mnt/zookeeper/myid" % idx) |
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config_file = self.render('zookeeper.properties') |
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self.logger.info("zookeeper.properties:") |
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self.logger.info(config_file) |
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node.account.create_file("/mnt/zookeeper.properties", config_file) |
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start_cmd = "/opt/%s/bin/zookeeper-server-start.sh " % kafka_dir(node) |
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start_cmd += "/mnt/zookeeper.properties 1>> %(path)s 2>> %(path)s &" % self.logs["zk_log"] |
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node.account.ssh(start_cmd) |
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time.sleep(5) # give it some time to start |
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def pids(self, node): |
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try: |
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cmd = "ps ax | grep -i zookeeper | grep java | grep -v grep | awk '{print $1}'" |
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pid_arr = [pid for pid in node.account.ssh_capture(cmd, allow_fail=True, callback=int)] |
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return pid_arr |
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except (subprocess.CalledProcessError, ValueError) as e: |
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return [] |
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def alive(self, node): |
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return len(self.pids(node)) > 0 |
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def stop_node(self, node): |
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idx = self.idx(node) |
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self.logger.info("Stopping %s node %d on %s" % (type(self).__name__, idx, node.account.hostname)) |
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node.account.kill_process("zookeeper", allow_fail=False) |
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def clean_node(self, node): |
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self.logger.info("Cleaning ZK node %d on %s", self.idx(node), node.account.hostname) |
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if self.alive(node): |
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self.logger.warn("%s %s was still alive at cleanup time. Killing forcefully..." % |
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(self.__class__.__name__, node.account)) |
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node.account.kill_process("zookeeper", clean_shutdown=False, allow_fail=True) |
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node.account.ssh("rm -rf /mnt/zookeeper /mnt/zookeeper.properties /mnt/zk.log", allow_fail=False) |
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def connect_setting(self): |
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return ','.join([node.account.hostname + ':2181' for node in self.nodes])
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