Mirror of Apache Kafka
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# 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.
#!/usr/bin/env python
# ===================================
# migration_tool_test.py
# ===================================
import inspect
import logging
import os
import signal
import subprocess
import sys
import time
import traceback
from system_test_env import SystemTestEnv
sys.path.append(SystemTestEnv.SYSTEM_TEST_UTIL_DIR)
from setup_utils import SetupUtils
from replication_utils import ReplicationUtils
import system_test_utils
from testcase_env import TestcaseEnv
# product specific: Kafka
import kafka_system_test_utils
import metrics
class MigrationToolTest(ReplicationUtils, SetupUtils):
testModuleAbsPathName = os.path.realpath(__file__)
testSuiteAbsPathName = os.path.abspath(os.path.dirname(testModuleAbsPathName))
def __init__(self, systemTestEnv):
# SystemTestEnv - provides cluster level environment settings
# such as entity_id, hostname, kafka_home, java_home which
# are available in a list of dictionary named
# "clusterEntityConfigDictList"
self.systemTestEnv = systemTestEnv
super(MigrationToolTest, self).__init__(self)
# dict to pass user-defined attributes to logger argument: "extra"
d = {'name_of_class': self.__class__.__name__}
def signal_handler(self, signal, frame):
self.log_message("Interrupt detected - User pressed Ctrl+c")
# perform the necessary cleanup here when user presses Ctrl+c and it may be product specific
self.log_message("stopping all entities - please wait ...")
kafka_system_test_utils.stop_all_remote_running_processes(self.systemTestEnv, self.testcaseEnv)
sys.exit(1)
def runTest(self):
# ======================================================================
# get all testcase directories under this testsuite
# ======================================================================
testCasePathNameList = system_test_utils.get_dir_paths_with_prefix(
self.testSuiteAbsPathName, SystemTestEnv.SYSTEM_TEST_CASE_PREFIX)
testCasePathNameList.sort()
# =============================================================
# launch each testcase one by one: testcase_1, testcase_2, ...
# =============================================================
for testCasePathName in testCasePathNameList:
skipThisTestCase = False
try:
# ======================================================================
# A new instance of TestcaseEnv to keep track of this testcase's env vars
# and initialize some env vars as testCasePathName is available now
# ======================================================================
self.testcaseEnv = TestcaseEnv(self.systemTestEnv, self)
self.testcaseEnv.testSuiteBaseDir = self.testSuiteAbsPathName
self.testcaseEnv.initWithKnownTestCasePathName(testCasePathName)
self.testcaseEnv.testcaseArgumentsDict = self.testcaseEnv.testcaseNonEntityDataDict["testcase_args"]
# ======================================================================
# SKIP if this case is IN testcase_to_skip.json or NOT IN testcase_to_run.json
# ======================================================================
testcaseDirName = self.testcaseEnv.testcaseResultsDict["_test_case_name"]
if self.systemTestEnv.printTestDescriptionsOnly:
self.testcaseEnv.printTestCaseDescription(testcaseDirName)
continue
elif self.systemTestEnv.isTestCaseToSkip(self.__class__.__name__, testcaseDirName):
self.log_message("Skipping : " + testcaseDirName)
skipThisTestCase = True
continue
else:
self.testcaseEnv.printTestCaseDescription(testcaseDirName)
system_test_utils.setup_remote_hosts_with_testcase_level_cluster_config(self.systemTestEnv, testCasePathName)
# ============================================================================== #
# ============================================================================== #
# Product Specific Testing Code Starts Here: #
# ============================================================================== #
# ============================================================================== #
# initialize self.testcaseEnv with user-defined environment variables (product specific)
self.testcaseEnv.userDefinedEnvVarDict["zkConnectStr"] = ""
self.testcaseEnv.userDefinedEnvVarDict["stopBackgroundProducer"] = False
self.testcaseEnv.userDefinedEnvVarDict["backgroundProducerStopped"] = False
# initialize signal handler
signal.signal(signal.SIGINT, self.signal_handler)
# TestcaseEnv.testcaseConfigsList initialized by reading testcase properties file:
# system_test/<suite_name>_testsuite/testcase_<n>/testcase_<n>_properties.json
self.testcaseEnv.testcaseConfigsList = system_test_utils.get_json_list_data(
self.testcaseEnv.testcasePropJsonPathName)
# clean up data directories specified in zookeeper.properties and kafka_server_<n>.properties
kafka_system_test_utils.cleanup_data_at_remote_hosts(self.systemTestEnv, self.testcaseEnv)
# create "LOCAL" log directories for metrics, dashboards for each entity under this testcase
# for collecting logs from remote machines
kafka_system_test_utils.generate_testcase_log_dirs(self.systemTestEnv, self.testcaseEnv)
# TestcaseEnv - initialize producer & consumer config / log file pathnames
kafka_system_test_utils.init_entity_props(self.systemTestEnv, self.testcaseEnv)
# generate remote hosts log/config dirs if not exist
kafka_system_test_utils.generate_testcase_log_dirs_in_remote_hosts(self.systemTestEnv, self.testcaseEnv)
# generate properties files for zookeeper, kafka, producer, consumer and mirror-maker:
# 1. copy system_test/<suite_name>_testsuite/config/*.properties to
# system_test/<suite_name>_testsuite/testcase_<n>/config/
# 2. update all properties files in system_test/<suite_name>_testsuite/testcase_<n>/config
# by overriding the settings specified in:
# system_test/<suite_name>_testsuite/testcase_<n>/testcase_<n>_properties.json
kafka_system_test_utils.generate_overriden_props_files(self.testSuiteAbsPathName,
self.testcaseEnv, self.systemTestEnv)
# =============================================
# preparing all entities to start the test
# =============================================
self.log_message("starting zookeepers")
kafka_system_test_utils.start_zookeepers(self.systemTestEnv, self.testcaseEnv)
self.anonLogger.info("sleeping for 2s")
time.sleep(2)
self.log_message("starting brokers")
kafka_system_test_utils.start_brokers(self.systemTestEnv, self.testcaseEnv)
self.anonLogger.info("sleeping for 5s")
time.sleep(5)
self.log_message("starting migration tool")
kafka_system_test_utils.start_migration_tool(self.systemTestEnv, self.testcaseEnv)
self.anonLogger.info("sleeping for 5s")
time.sleep(5)
self.log_message("creating topics")
kafka_system_test_utils.create_topic(self.systemTestEnv, self.testcaseEnv)
self.anonLogger.info("sleeping for 5s")
time.sleep(5)
# =============================================
# starting producer
# =============================================
self.log_message("starting producer in the background")
kafka_system_test_utils.start_producer_performance(self.systemTestEnv, self.testcaseEnv, True)
msgProducingFreeTimeSec = self.testcaseEnv.testcaseArgumentsDict["message_producing_free_time_sec"]
self.anonLogger.info("sleeping for " + msgProducingFreeTimeSec + " sec to produce some messages")
time.sleep(int(msgProducingFreeTimeSec))
# =============================================
# A while-loop to bounce leader as specified
# by "num_iterations" in testcase_n_properties.json
# =============================================
i = 1
numIterations = int(self.testcaseEnv.testcaseArgumentsDict["num_iteration"])
bouncedEntityDownTimeSec = 1
try:
bouncedEntityDownTimeSec = int(self.testcaseEnv.testcaseArgumentsDict["bounced_entity_downtime_sec"])
except:
pass
while i <= numIterations:
self.log_message("Iteration " + str(i) + " of " + str(numIterations))
# =============================================
# Bounce Migration Tool
# =============================================
bounceMigrationTool = self.testcaseEnv.testcaseArgumentsDict["bounce_migration_tool"]
self.log_message("bounce_migration_tool flag : " + bounceMigrationTool)
if (bounceMigrationTool.lower() == "true"):
clusterConfigList = self.systemTestEnv.clusterEntityConfigDictList
migrationToolEntityIdList = system_test_utils.get_data_from_list_of_dicts(
clusterConfigList, "role", "migration_tool", "entity_id")
stoppedMigrationToolEntityId = migrationToolEntityIdList[0]
migrationToolPPid = self.testcaseEnv.entityMigrationToolParentPidDict[stoppedMigrationToolEntityId]
self.log_message("stopping migration tool : " + migrationToolPPid)
kafka_system_test_utils.stop_remote_entity(self.systemTestEnv, stoppedMigrationToolEntityId, migrationToolPPid)
self.anonLogger.info("sleeping for " + str(bouncedEntityDownTimeSec) + " sec")
time.sleep(bouncedEntityDownTimeSec)
# starting previously terminated broker
self.log_message("starting the previously terminated migration tool")
kafka_system_test_utils.start_migration_tool(self.systemTestEnv, self.testcaseEnv, stoppedMigrationToolEntityId)
self.anonLogger.info("sleeping for 15s")
time.sleep(15)
i += 1
# while loop
# =============================================
# tell producer to stop
# =============================================
self.testcaseEnv.lock.acquire()
self.testcaseEnv.userDefinedEnvVarDict["stopBackgroundProducer"] = True
time.sleep(1)
self.testcaseEnv.lock.release()
time.sleep(1)
# =============================================
# wait for producer thread's update of
# "backgroundProducerStopped" to be "True"
# =============================================
while 1:
self.testcaseEnv.lock.acquire()
self.logger.info("status of backgroundProducerStopped : [" + \
str(self.testcaseEnv.userDefinedEnvVarDict["backgroundProducerStopped"]) + "]", extra=self.d)
if self.testcaseEnv.userDefinedEnvVarDict["backgroundProducerStopped"]:
time.sleep(1)
self.logger.info("all producer threads completed", extra=self.d)
break
time.sleep(1)
self.testcaseEnv.lock.release()
time.sleep(2)
#print "\n\n#### sleeping for 30 min ...\n\n"
#time.sleep(1800)
# =============================================
# starting consumer
# =============================================
self.log_message("starting consumer in the background")
kafka_system_test_utils.start_console_consumer(self.systemTestEnv, self.testcaseEnv)
self.anonLogger.info("sleeping for 20s")
time.sleep(20)
# =============================================
# 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")
kafka_system_test_utils.validate_07_08_migrated_data_matched(self.systemTestEnv, self.testcaseEnv)
kafka_system_test_utils.validate_broker_log_segment_checksum(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)