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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with 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,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#!/usr/bin/env python
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# ===================================
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# replica_basic_test.py
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# ===================================
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import inspect
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import logging
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import os
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import pprint
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import signal
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import subprocess
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import sys
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import time
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import traceback
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from system_test_env import SystemTestEnv
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sys.path.append(SystemTestEnv.SYSTEM_TEST_UTIL_DIR)
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from setup_utils import SetupUtils
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from replication_utils import ReplicationUtils
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import system_test_utils
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from testcase_env import TestcaseEnv
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# product specific: Kafka
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import kafka_system_test_utils
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import metrics
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class ReplicaBasicTest(ReplicationUtils, SetupUtils):
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testModuleAbsPathName = os.path.realpath(__file__)
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testSuiteAbsPathName = os.path.abspath(os.path.dirname(testModuleAbsPathName))
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def __init__(self, systemTestEnv):
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# SystemTestEnv - provides cluster level environment settings
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# such as entity_id, hostname, kafka_home, java_home which
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# are available in a list of dictionary named
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# "clusterEntityConfigDictList"
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self.systemTestEnv = systemTestEnv
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super(ReplicaBasicTest, self).__init__(self)
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# dict to pass user-defined attributes to logger argument: "extra"
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d = {'name_of_class': self.__class__.__name__}
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def signal_handler(self, signal, frame):
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self.log_message("Interrupt detected - User pressed Ctrl+c")
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# perform the necessary cleanup here when user presses Ctrl+c and it may be product specific
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self.log_message("stopping all entities - please wait ...")
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kafka_system_test_utils.stop_all_remote_running_processes(self.systemTestEnv, self.testcaseEnv)
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sys.exit(1)
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def runTest(self):
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# ======================================================================
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# get all testcase directories under this testsuite
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# ======================================================================
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testCasePathNameList = system_test_utils.get_dir_paths_with_prefix(
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self.testSuiteAbsPathName, SystemTestEnv.SYSTEM_TEST_CASE_PREFIX)
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testCasePathNameList.sort()
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replicationUtils = ReplicationUtils(self)
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# =============================================================
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# launch each testcase one by one: testcase_1, testcase_2, ...
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# =============================================================
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for testCasePathName in testCasePathNameList:
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skipThisTestCase = False
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try:
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# ======================================================================
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# A new instance of TestcaseEnv to keep track of this testcase's env vars
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# and initialize some env vars as testCasePathName is available now
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# ======================================================================
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self.testcaseEnv = TestcaseEnv(self.systemTestEnv, self)
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self.testcaseEnv.testSuiteBaseDir = self.testSuiteAbsPathName
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self.testcaseEnv.initWithKnownTestCasePathName(testCasePathName)
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self.testcaseEnv.testcaseArgumentsDict = self.testcaseEnv.testcaseNonEntityDataDict["testcase_args"]
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# ======================================================================
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# SKIP if this case is IN testcase_to_skip.json or NOT IN testcase_to_run.json
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# ======================================================================
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testcaseDirName = self.testcaseEnv.testcaseResultsDict["_test_case_name"]
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if self.systemTestEnv.printTestDescriptionsOnly:
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self.testcaseEnv.printTestCaseDescription(testcaseDirName)
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continue
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elif self.systemTestEnv.isTestCaseToSkip(self.__class__.__name__, testcaseDirName):
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self.log_message("Skipping : " + testcaseDirName)
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skipThisTestCase = True
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continue
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else:
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self.testcaseEnv.printTestCaseDescription(testcaseDirName)
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system_test_utils.setup_remote_hosts_with_testcase_level_cluster_config(self.systemTestEnv, testCasePathName)
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# ============================================================================== #
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# ============================================================================== #
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# Product Specific Testing Code Starts Here: #
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# ============================================================================== #
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# ============================================================================== #
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# get optional testcase arguments
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logRetentionTest = "false"
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try:
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logRetentionTest = self.testcaseEnv.testcaseArgumentsDict["log_retention_test"]
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except:
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pass
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consumerMultiTopicsMode = "false"
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try:
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consumerMultiTopicsMode = self.testcaseEnv.testcaseArgumentsDict["consumer_multi_topics_mode"]
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except:
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pass
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autoCreateTopic = "false"
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try:
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autoCreateTopic = self.testcaseEnv.testcaseArgumentsDict["auto_create_topic"]
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except:
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pass
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# initialize self.testcaseEnv with user-defined environment variables (product specific)
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self.testcaseEnv.userDefinedEnvVarDict["zkConnectStr"] = ""
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self.testcaseEnv.userDefinedEnvVarDict["stopBackgroundProducer"] = False
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self.testcaseEnv.userDefinedEnvVarDict["backgroundProducerStopped"] = False
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self.testcaseEnv.userDefinedEnvVarDict["leaderElectionLatencyList"] = []
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# initialize signal handler
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signal.signal(signal.SIGINT, self.signal_handler)
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# TestcaseEnv.testcaseConfigsList initialized by reading testcase properties file:
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# system_test/<suite_name>_testsuite/testcase_<n>/testcase_<n>_properties.json
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self.testcaseEnv.testcaseConfigsList = system_test_utils.get_json_list_data(
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self.testcaseEnv.testcasePropJsonPathName)
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# clean up data directories specified in zookeeper.properties and kafka_server_<n>.properties
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kafka_system_test_utils.cleanup_data_at_remote_hosts(self.systemTestEnv, self.testcaseEnv)
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# create "LOCAL" log directories for metrics, dashboards for each entity under this testcase
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# for collecting logs from remote machines
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kafka_system_test_utils.generate_testcase_log_dirs(self.systemTestEnv, self.testcaseEnv)
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# TestcaseEnv - initialize producer & consumer config / log file pathnames
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kafka_system_test_utils.init_entity_props(self.systemTestEnv, self.testcaseEnv)
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# generate remote hosts log/config dirs if not exist
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kafka_system_test_utils.generate_testcase_log_dirs_in_remote_hosts(self.systemTestEnv, self.testcaseEnv)
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# generate properties files for zookeeper, kafka, producer, consumer:
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# 1. copy system_test/<suite_name>_testsuite/config/*.properties to
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# system_test/<suite_name>_testsuite/testcase_<n>/config/
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# 2. update all properties files in system_test/<suite_name>_testsuite/testcase_<n>/config
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# by overriding the settings specified in:
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# system_test/<suite_name>_testsuite/testcase_<n>/testcase_<n>_properties.json
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kafka_system_test_utils.generate_overriden_props_files(self.testSuiteAbsPathName,
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self.testcaseEnv, self.systemTestEnv)
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# =============================================
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# preparing all entities to start the test
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# =============================================
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self.log_message("starting zookeepers")
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kafka_system_test_utils.start_zookeepers(self.systemTestEnv, self.testcaseEnv)
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self.anonLogger.info("sleeping for 2s")
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time.sleep(2)
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self.log_message("starting brokers")
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kafka_system_test_utils.start_brokers(self.systemTestEnv, self.testcaseEnv)
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self.anonLogger.info("sleeping for 5s")
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time.sleep(5)
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if autoCreateTopic.lower() == "false":
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self.log_message("creating topics")
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kafka_system_test_utils.create_topic(self.systemTestEnv, self.testcaseEnv)
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self.anonLogger.info("sleeping for 5s")
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time.sleep(5)
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# =============================================
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# start ConsoleConsumer if this is a Log Retention test
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# =============================================
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if logRetentionTest.lower() == "true":
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self.log_message("starting consumer in the background")
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kafka_system_test_utils.start_console_consumer(self.systemTestEnv, self.testcaseEnv)
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time.sleep(1)
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# =============================================
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# starting producer
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# =============================================
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self.log_message("starting producer in the background")
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kafka_system_test_utils.start_producer_performance(self.systemTestEnv, self.testcaseEnv, False)
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msgProducingFreeTimeSec = self.testcaseEnv.testcaseArgumentsDict["message_producing_free_time_sec"]
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self.anonLogger.info("sleeping for " + msgProducingFreeTimeSec + " sec to produce some messages")
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time.sleep(int(msgProducingFreeTimeSec))
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# =============================================
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# A while-loop to bounce leader as specified
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# by "num_iterations" in testcase_n_properties.json
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# =============================================
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i = 1
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numIterations = int(self.testcaseEnv.testcaseArgumentsDict["num_iteration"])
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brokerType = self.testcaseEnv.testcaseArgumentsDict["broker_type"]
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bounceBrokerFlag = self.testcaseEnv.testcaseArgumentsDict["bounce_broker"]
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while i <= numIterations:
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self.log_message("Iteration " + str(i) + " of " + str(numIterations))
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self.log_message("bounce_broker flag : " + bounceBrokerFlag)
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leaderDict = None
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controllerDict = None
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stoppedBrokerEntityId = ""
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# ==============================================
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# Find out the entity id for the stopping broker
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# ==============================================
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if brokerType == "leader" or brokerType == "follower":
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self.log_message("looking up leader")
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leaderDict = kafka_system_test_utils.get_leader_attributes(self.systemTestEnv, self.testcaseEnv)
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# ==========================
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# leaderDict looks like this:
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# ==========================
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#{'entity_id': u'3',
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# 'partition': '0',
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# 'timestamp': 1345050255.8280001,
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# 'hostname': u'localhost',
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# 'topic': 'test_1',
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# 'brokerid': '3'}
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if brokerType == "leader":
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stoppedBrokerEntityId = leaderDict["entity_id"]
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self.log_message("Found leader with entity id: " + stoppedBrokerEntityId)
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else: # Follower
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self.log_message("looking up follower")
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# a list of all brokers
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brokerEntityIdList = system_test_utils.get_data_from_list_of_dicts(self.systemTestEnv.clusterEntityConfigDictList, "role", "broker", "entity_id")
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# we pick the first non-leader broker as the follower
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firstFollowerEntityId = None
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for brokerEntityId in brokerEntityIdList:
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if brokerEntityId != leaderDict["entity_id"]:
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firstFollowerEntityId = brokerEntityId
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break
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stoppedBrokerEntityId = firstFollowerEntityId
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self.log_message("Found follower with entity id: " + stoppedBrokerEntityId)
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elif brokerType == "controller":
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self.log_message("looking up controller")
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controllerDict = kafka_system_test_utils.get_controller_attributes(self.systemTestEnv, self.testcaseEnv)
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# ==========================
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# controllerDict looks like this:
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# ==========================
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#{'entity_id': u'3',
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# 'timestamp': 1345050255.8280001,
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# 'hostname': u'localhost',
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# 'brokerid': '3'}
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stoppedBrokerEntityId = controllerDict["entity_id"]
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self.log_message("Found controller with entity id: " + stoppedBrokerEntityId)
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# =============================================
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# Bounce the broker
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# =============================================
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if bounceBrokerFlag.lower() == "true":
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if brokerType == "leader":
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# validate to see if leader election is successful
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self.log_message("validating leader election")
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kafka_system_test_utils.validate_leader_election_successful(self.testcaseEnv, leaderDict, self.testcaseEnv.validationStatusDict)
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# trigger leader re-election by stopping leader to get re-election latency
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#reelectionLatency = kafka_system_test_utils.get_reelection_latency(self.systemTestEnv, self.testcaseEnv, leaderDict, self.leaderAttributesDict)
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#latencyKeyName = "Leader Election Latency - iter " + str(i) + " brokerid " + leaderDict["brokerid"]
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#self.testcaseEnv.validationStatusDict[latencyKeyName] = str("{0:.2f}".format(reelectionLatency * 1000)) + " ms"
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#self.testcaseEnv.userDefinedEnvVarDict["leaderElectionLatencyList"].append("{0:.2f}".format(reelectionLatency * 1000))
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elif brokerType == "follower":
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# stopping Follower
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self.log_message("stopping follower with entity id: " + firstFollowerEntityId)
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kafka_system_test_utils.stop_remote_entity(self.systemTestEnv, firstFollowerEntityId, self.testcaseEnv.entityBrokerParentPidDict[firstFollowerEntityId])
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elif brokerType == "controller":
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# stopping Controller
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self.log_message("stopping controller : " + controllerDict["brokerid"])
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kafka_system_test_utils.stop_remote_entity(self.systemTestEnv, controllerDict["entity_id"], self.testcaseEnv.entityBrokerParentPidDict[controllerDict["entity_id"]])
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brokerDownTimeInSec = 5
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try:
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brokerDownTimeInSec = int(self.testcaseEnv.testcaseArgumentsDict["broker_down_time_in_sec"])
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except:
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pass # take default
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time.sleep(brokerDownTimeInSec)
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# starting previously terminated broker
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self.log_message("starting the previously terminated broker")
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kafka_system_test_utils.start_entity_in_background(self.systemTestEnv, self.testcaseEnv, stoppedBrokerEntityId)
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else:
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# GC Pause simulation
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pauseTime = None
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try:
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hostname = leaderDict["hostname"]
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pauseTime = self.testcaseEnv.testcaseArgumentsDict["pause_time_in_seconds"]
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parentPid = self.testcaseEnv.entityBrokerParentPidDict[leaderDict["entity_id"]]
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pidStack = system_test_utils.get_remote_child_processes(hostname, parentPid)
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system_test_utils.simulate_garbage_collection_pause_in_remote_process(hostname, pidStack, pauseTime)
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except:
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pass
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self.anonLogger.info("sleeping for 15s")
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time.sleep(15)
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i += 1
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# while loop
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# update Leader Election Latency MIN/MAX to testcaseEnv.validationStatusDict
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#self.testcaseEnv.validationStatusDict["Leader Election Latency MIN"] = None
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#try:
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# self.testcaseEnv.validationStatusDict["Leader Election Latency MIN"] = \
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# min(self.testcaseEnv.userDefinedEnvVarDict["leaderElectionLatencyList"])
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#except:
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# pass
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#
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#self.testcaseEnv.validationStatusDict["Leader Election Latency MAX"] = None
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#try:
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# self.testcaseEnv.validationStatusDict["Leader Election Latency MAX"] = \
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# max(self.testcaseEnv.userDefinedEnvVarDict["leaderElectionLatencyList"])
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#except:
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# pass
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# =============================================
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# tell producer to stop
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|
# =============================================
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self.testcaseEnv.lock.acquire()
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|
self.testcaseEnv.userDefinedEnvVarDict["stopBackgroundProducer"] = True
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time.sleep(1)
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self.testcaseEnv.lock.release()
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|
time.sleep(1)
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|
|
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|
# =============================================
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|
|
# wait for producer thread's update of
|
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# "backgroundProducerStopped" to be "True"
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|
# =============================================
|
|
|
|
while 1:
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|
self.testcaseEnv.lock.acquire()
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|
|
self.logger.info("status of backgroundProducerStopped : [" + \
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|
|
str(self.testcaseEnv.userDefinedEnvVarDict["backgroundProducerStopped"]) + "]", extra=self.d)
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|
|
if self.testcaseEnv.userDefinedEnvVarDict["backgroundProducerStopped"]:
|
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|
|
time.sleep(1)
|
|
|
|
self.logger.info("all producer threads completed", extra=self.d)
|
|
|
|
break
|
|
|
|
time.sleep(1)
|
|
|
|
self.testcaseEnv.lock.release()
|
|
|
|
time.sleep(2)
|
|
|
|
|
|
|
|
# =============================================
|
|
|
|
# collect logs from remote hosts to find the
|
|
|
|
# minimum common offset of a certain log
|
|
|
|
# segment file among all replicas
|
|
|
|
# =============================================
|
|
|
|
minStartingOffsetDict = None
|
|
|
|
if logRetentionTest.lower() == "true":
|
|
|
|
self.anonLogger.info("sleeping for 60s to make sure log truncation is completed")
|
|
|
|
time.sleep(60)
|
|
|
|
kafka_system_test_utils.collect_logs_from_remote_hosts(self.systemTestEnv, self.testcaseEnv)
|
|
|
|
|
|
|
|
minStartingOffsetDict = kafka_system_test_utils.getMinCommonStartingOffset(self.systemTestEnv, self.testcaseEnv)
|
|
|
|
print
|
|
|
|
pprint.pprint(minStartingOffsetDict)
|
|
|
|
|
|
|
|
# =============================================
|
|
|
|
# starting debug consumer
|
|
|
|
# =============================================
|
|
|
|
if consumerMultiTopicsMode.lower() == "false":
|
|
|
|
self.log_message("starting debug consumers in the background")
|
|
|
|
kafka_system_test_utils.start_simple_consumer(self.systemTestEnv, self.testcaseEnv, minStartingOffsetDict)
|
|
|
|
self.anonLogger.info("sleeping for 10s")
|
|
|
|
time.sleep(10)
|
|
|
|
|
|
|
|
# =============================================
|
|
|
|
# starting console consumer
|
|
|
|
# =============================================
|
|
|
|
if logRetentionTest.lower() == "false":
|
|
|
|
self.log_message("starting consumer in the background")
|
|
|
|
kafka_system_test_utils.start_console_consumer(self.systemTestEnv, self.testcaseEnv)
|
|
|
|
time.sleep(10)
|
|
|
|
|
|
|
|
# =============================================
|
|
|
|
# this testcase is completed - stop all entities
|
|
|
|
# =============================================
|
|
|
|
self.log_message("stopping all entities")
|
|
|
|
for entityId, parentPid in self.testcaseEnv.entityBrokerParentPidDict.items():
|
|
|
|
kafka_system_test_utils.stop_remote_entity(self.systemTestEnv, entityId, parentPid)
|
|
|
|
|
|
|
|
for entityId, parentPid in self.testcaseEnv.entityZkParentPidDict.items():
|
|
|
|
kafka_system_test_utils.stop_remote_entity(self.systemTestEnv, entityId, parentPid)
|
|
|
|
|
|
|
|
# make sure all entities are stopped
|
|
|
|
kafka_system_test_utils.ps_grep_terminate_running_entity(self.systemTestEnv)
|
|
|
|
|
|
|
|
# =============================================
|
|
|
|
# collect logs from remote hosts
|
|
|
|
# =============================================
|
|
|
|
kafka_system_test_utils.collect_logs_from_remote_hosts(self.systemTestEnv, self.testcaseEnv)
|
|
|
|
|
|
|
|
# =============================================
|
|
|
|
# validate the data matched and checksum
|
|
|
|
# =============================================
|
|
|
|
self.log_message("validating data matched")
|
|
|
|
|
|
|
|
if logRetentionTest.lower() == "true":
|
|
|
|
kafka_system_test_utils.validate_data_matched(self.systemTestEnv, self.testcaseEnv, replicationUtils)
|
|
|
|
elif consumerMultiTopicsMode.lower() == "true":
|
|
|
|
kafka_system_test_utils.validate_data_matched_in_multi_topics_from_single_consumer_producer(
|
|
|
|
self.systemTestEnv, self.testcaseEnv, replicationUtils)
|
|
|
|
else:
|
|
|
|
kafka_system_test_utils.validate_simple_consumer_data_matched_across_replicas(self.systemTestEnv, self.testcaseEnv)
|
|
|
|
kafka_system_test_utils.validate_broker_log_segment_checksum(self.systemTestEnv, self.testcaseEnv)
|
|
|
|
kafka_system_test_utils.validate_data_matched(self.systemTestEnv, self.testcaseEnv, replicationUtils)
|
|
|
|
|
|
|
|
kafka_system_test_utils.validate_index_log(self.systemTestEnv, self.testcaseEnv)
|
|
|
|
|
|
|
|
# =============================================
|
|
|
|
# draw graphs
|
|
|
|
# =============================================
|
|
|
|
metrics.draw_all_graphs(self.systemTestEnv.METRICS_PATHNAME,
|
|
|
|
self.testcaseEnv,
|
|
|
|
self.systemTestEnv.clusterEntityConfigDictList)
|
|
|
|
|
|
|
|
# build dashboard, one for each role
|
|
|
|
metrics.build_all_dashboards(self.systemTestEnv.METRICS_PATHNAME,
|
|
|
|
self.testcaseEnv.testCaseDashboardsDir,
|
|
|
|
self.systemTestEnv.clusterEntityConfigDictList)
|
|
|
|
except Exception as e:
|
|
|
|
self.log_message("Exception while running test {0}".format(e))
|
|
|
|
traceback.print_exc()
|
|
|
|
|
|
|
|
finally:
|
|
|
|
if not skipThisTestCase and not self.systemTestEnv.printTestDescriptionsOnly:
|
|
|
|
self.log_message("stopping all entities - please wait ...")
|
|
|
|
kafka_system_test_utils.stop_all_remote_running_processes(self.systemTestEnv, self.testcaseEnv)
|
|
|
|
|