| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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. |
| |
| from ducktape.services.background_thread import BackgroundThreadService |
| |
| from kafkatest.directory_layout.kafka_path import KafkaPathResolverMixin |
| from kafkatest.services.security.security_config import SecurityConfig |
| |
| import re |
| |
| |
| class ReplicaVerificationTool(KafkaPathResolverMixin, BackgroundThreadService): |
| |
| logs = { |
| "producer_log": { |
| "path": "/mnt/replica_verification_tool.log", |
| "collect_default": False} |
| } |
| |
| def __init__(self, context, num_nodes, kafka, topic, report_interval_ms, security_protocol="PLAINTEXT", |
| stop_timeout_sec=30, tls_version=None): |
| super(ReplicaVerificationTool, self).__init__(context, num_nodes) |
| |
| self.kafka = kafka |
| self.topic = topic |
| self.report_interval_ms = report_interval_ms |
| self.security_protocol = security_protocol |
| self.tls_version = tls_version |
| self.security_config = SecurityConfig(self.context, security_protocol, tls_version=tls_version) |
| self.partition_lag = {} |
| self.stop_timeout_sec = stop_timeout_sec |
| |
| def _worker(self, idx, node): |
| cmd = self.start_cmd(node) |
| self.logger.debug("ReplicaVerificationTool %d command: %s" % (idx, cmd)) |
| self.security_config.setup_node(node) |
| for line in node.account.ssh_capture(cmd): |
| self.logger.debug("Parsing line:{}".format(line)) |
| |
| parsed = re.search('.*max lag is (.+?) for partition ([a-zA-Z0-9._-]+-[0-9]+) at', line) |
| if parsed: |
| lag = int(parsed.group(1)) |
| topic_partition = parsed.group(2) |
| self.logger.debug("Setting max lag for {} as {}".format(topic_partition, lag)) |
| self.partition_lag[topic_partition] = lag |
| |
| def get_lag_for_partition(self, topic, partition): |
| """ |
| Get latest lag for given topic-partition |
| |
| Args: |
| topic: a topic |
| partition: a partition of the topic |
| """ |
| topic_partition = topic + '-' + str(partition) |
| lag = self.partition_lag.get(topic_partition, -1) |
| self.logger.debug("Returning lag for {} as {}".format(topic_partition, lag)) |
| |
| return lag |
| |
| def start_cmd(self, node): |
| cmd = self.path.script("kafka-run-class.sh", node) |
| cmd += " %s" % self.java_class_name() |
| cmd += " --broker-list %s --topic-white-list %s --time -2 --report-interval-ms %s" % (self.kafka.bootstrap_servers(self.security_protocol), self.topic, self.report_interval_ms) |
| |
| cmd += " 2>> /mnt/replica_verification_tool.log | tee -a /mnt/replica_verification_tool.log &" |
| return cmd |
| |
| def stop_node(self, node): |
| node.account.kill_java_processes(self.java_class_name(), clean_shutdown=True, |
| allow_fail=True) |
| |
| stopped = self.wait_node(node, timeout_sec=self.stop_timeout_sec) |
| assert stopped, "Node %s: did not stop within the specified timeout of %s seconds" % \ |
| (str(node.account), str(self.stop_timeout_sec)) |
| |
| def clean_node(self, node): |
| node.account.kill_java_processes(self.java_class_name(), clean_shutdown=False, |
| allow_fail=True) |
| node.account.ssh("rm -rf /mnt/replica_verification_tool.log", allow_fail=False) |
| |
| def java_class_name(self): |
| return "kafka.tools.ReplicaVerificationTool" |
