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# Licensed to Cloudera, Inc. under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. Cloudera, Inc. 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. Test-endtoend scripts. These scripts are used for testing various end-to-end properties of Flume. == count-forever tests The goal of these scripts is to generate data, shove it through an agent, a collector and then to confirm that the output delivery and issues with their delivery. count-forever -> agent -> collector -> count-forever-verify count-forever Simple script that prints lines with count an tag count-forever-cleanup Script that pulls out body from avrojson records count-forever-verify Script that pulls out body from avrojson records and the n only reports when there are count discontinuities or duplicates. == Example: === Local testing: In different terminals: $ flume master $ flume node -n agent $ flume node -n collector In flume shell exec config agent 'exec("test-endtoend/count-forever")' 'agentE2EChain("localhost")' exec config collector 'collectorSource' 'collectorSink("file:///tmp/collector","data")' In another terminal, you can run the count-forever-verify script to see different discontinuities or dupes. # One shot: $ cat /tmp/collector/* | count-forever-verify # repeatedly: $ watch 'cat /tmp/collector/* | count-forever-verify' The count-forever-clean script can be used to output intermediate data. One can kill the collector and then restart the collector after a while. You will likely see a discontinuity, and then when it recovers, see duplicatate entries.