mirror of https://github.com/apache/kafka.git
				
				
				
			
		
			
				
	
	
		
			81 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Python
		
	
	
	
| # 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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| 
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| from ducktape.tests.test import Test
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| from ducktape.utils.util import wait_until
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| 
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| from kafkatest.services.zookeeper import ZookeeperService
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| from kafkatest.services.kafka import KafkaService
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| from kafkatest.services.console_consumer import ConsoleConsumer
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| 
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| import time
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| 
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| 
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| def file_exists(node, file):
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|     """Quick and dirty check for existence of remote file."""
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|     try:
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|         node.account.ssh("cat " + file, allow_fail=False)
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|         return True
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|     except:
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|         return False
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| 
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| 
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| def line_count(node, file):
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|     """Return the line count of file on node"""
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|     out = [line for line in node.account.ssh_capture("wc -l %s" % file)]
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|     if len(out) != 1:
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|         raise Exception("Expected single line of output from wc -l")
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| 
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|     return int(out[0].strip().split(" ")[0])
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| 
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| 
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| class ConsoleConsumerTest(Test):
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|     """Sanity checks on console consumer service class."""
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|     def __init__(self, test_context):
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|         super(ConsoleConsumerTest, self).__init__(test_context)
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| 
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|         self.topic = "topic"
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|         self.zk = ZookeeperService(test_context, num_nodes=1)
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|         self.kafka = KafkaService(test_context, num_nodes=1, zk=self.zk,
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|                                   topics={self.topic: {"partitions": 1, "replication-factor": 1}})
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|         self.consumer = ConsoleConsumer(test_context, num_nodes=1, kafka=self.kafka, topic=self.topic)
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| 
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|     def setUp(self):
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|         self.zk.start()
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|         self.kafka.start()
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| 
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|     def test_lifecycle(self):
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|         t0 = time.time()
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|         self.consumer.start()
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|         node = self.consumer.nodes[0]
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| 
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|         if not wait_until(lambda: self.consumer.alive(node), timeout_sec=10, backoff_sec=.2):
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|             raise Exception("Consumer was too slow to start")
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|         self.logger.info("consumer started in %s seconds " % str(time.time() - t0))
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| 
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|         # Verify that log output is happening
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|         if not wait_until(lambda: file_exists(node, ConsoleConsumer.LOG_FILE), timeout_sec=10):
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|             raise Exception("Timed out waiting for log file to exist")
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|         assert line_count(node, ConsoleConsumer.LOG_FILE) > 0
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| 
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|         # Verify no consumed messages
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|         assert line_count(node, ConsoleConsumer.STDOUT_CAPTURE) == 0
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| 
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|         self.consumer.stop_node(node)
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|         if not wait_until(lambda: not self.consumer.alive(node), timeout_sec=10, backoff_sec=.2):
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|             raise Exception("Took too long for consumer to die.")
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| 
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| 
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