| /* |
| * 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. |
| */ |
| package org.apache.hadoop.chukwa.datacollection.adaptor.filetailer; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import junit.framework.Assert; |
| import junit.framework.TestCase; |
| import org.apache.hadoop.chukwa.conf.ChukwaConfiguration; |
| import org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent; |
| import org.apache.hadoop.chukwa.datacollection.controller.ChukwaAgentController; |
| import org.apache.hadoop.conf.Configuration; |
| |
| public class TestFileExpirationPolicy extends TestCase { |
| |
| public void testExpiration() { |
| ChukwaAgent agent = null; |
| |
| try { |
| Configuration conf = new ChukwaConfiguration(); |
| conf.set("chukwaAgent.control.port", "0"); |
| agent = ChukwaAgent.getAgent(conf); |
| agent.start(); |
| |
| FileTailingAdaptor.GRACEFUL_PERIOD = 30 * 1000; |
| |
| String adaptorId = agent |
| .processAddCommand("add org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.CharFileTailingAdaptorUTF8NewLineEscaped MyType 0 /myWrongPath" |
| + System.currentTimeMillis() + " 0"); |
| |
| assertTrue(adaptorId != null); |
| |
| assertNotNull(agent.getAdaptor(adaptorId)); |
| |
| Thread.sleep(FileTailingAdaptor.GRACEFUL_PERIOD + 10000); |
| assertNull(agent.getAdaptor(adaptorId)); |
| |
| } catch (Exception e) { |
| Assert.fail("Exception in TestFileExpirationPolicy"); |
| } finally { |
| if (agent != null) { |
| agent.shutdown(); |
| try { |
| Thread.sleep(2000); |
| } catch (Exception ex) { |
| } |
| } |
| } |
| |
| } |
| |
| public void testExpirationOnFileThatHasBennDeleted() { |
| ChukwaAgent agent = null; |
| File testFile = null; |
| try { |
| |
| File tempDir = new File(System.getProperty("test.build.data", "/tmp")); |
| if (!tempDir.exists()) { |
| tempDir.mkdirs(); |
| } |
| String logFile = tempDir.getPath() + "/chukwatestExpiration.txt"; |
| testFile = makeTestFile(logFile, 8000); |
| |
| Configuration conf = new ChukwaConfiguration(); |
| conf.set("chukwaAgent.control.port", "0"); |
| agent = ChukwaAgent.getAgent(conf); |
| agent.start(); |
| // Remove any adaptor left over from previous run |
| |
| ChukwaAgentController cli = new ChukwaAgentController("localhost", agent.getControllerPort()); |
| cli.removeAll(); |
| // sleep for some time to make sure we don't get chunk from existing |
| // streams |
| Thread.sleep(5000); |
| |
| assertTrue(testFile.canRead() == true); |
| |
| FileTailingAdaptor.GRACEFUL_PERIOD = 30 * 1000; |
| String adaptorId = agent |
| .processAddCommand("add org.apache.hadoop.chukwa.datacollection.adaptor.filetailer.CharFileTailingAdaptorUTF8NewLineEscaped MyType 0 " |
| + logFile + " 0"); |
| |
| assertTrue(adaptorId != null); |
| |
| assertNotNull(agent.getAdaptor(adaptorId)); |
| |
| Thread.sleep(10000); |
| testFile.delete(); |
| |
| Thread.sleep(FileTailingAdaptor.GRACEFUL_PERIOD + 10000); |
| assertNull(agent.getAdaptor(adaptorId)); |
| agent.shutdown(); |
| Thread.sleep(2000); |
| } catch (Exception e) { |
| Assert.fail("Exception in TestFileExpirationPolicy"); |
| } finally { |
| if (agent != null) { |
| agent.shutdown(); |
| try { |
| Thread.sleep(2000); |
| } catch (Exception ex) { |
| } |
| } |
| } |
| } |
| |
| private File makeTestFile(String name, int size) throws IOException { |
| File tmpOutput = new File(name); |
| FileOutputStream fos = new FileOutputStream(tmpOutput); |
| |
| PrintWriter pw = new PrintWriter(fos); |
| for (int i = 0; i < size; ++i) { |
| pw.print(i + " "); |
| pw.println("abcdefghijklmnopqrstuvwxyz"); |
| } |
| pw.flush(); |
| pw.close(); |
| return tmpOutput; |
| } |
| } |