List of usage examples for com.amazonaws.services.elasticmapreduce.model TerminateJobFlowsRequest withJobFlowIds
public TerminateJobFlowsRequest withJobFlowIds(java.util.Collection<String> jobFlowIds)
A list of job flows to be shutdown.
From source file:org.pentaho.amazon.client.impl.EmrClientImpl.java
License:Apache License
private void terminateJobFlows() { if (!requestClusterShutdown) { TerminateJobFlowsRequest terminateJobFlowsRequest = new TerminateJobFlowsRequest(); terminateJobFlowsRequest.withJobFlowIds(hadoopJobFlowId); emrClient.terminateJobFlows(terminateJobFlowsRequest); currentClusterState = getActualClusterState(); requestClusterShutdown = true;/*from w w w. ja v a 2 s. co m*/ } }
From source file:org.pentaho.amazon.hive.job.AmazonHiveJobExecutor.java
License:Apache License
/** * Executes a Hive job into the AWS Elastic MapReduce service. *//* w w w .j a va2 s. c o m*/ public Result execute(Result result, int arg1) throws KettleException { // Setup a log file. Log4jFileAppender appender = null; String logFileName = "pdi-" + this.getName(); //$NON-NLS-1$ try { appender = LogWriter.createFileAppender(logFileName, true, false); LogWriter.getInstance().addAppender(appender); log.setLogLevel(parentJob.getLogLevel()); } catch (Exception e) { logError(BaseMessages.getString(PKG, "AmazonElasticMapReduceJobExecutor.FailedToOpenLogFile", //$NON-NLS-1$ logFileName, e.toString())); logError(Const.getStackTracker(e)); } try { // Create and connect an AWS service. AmazonElasticMapReduceClient emrClient = new AmazonElasticMapReduceClient(awsCredentials); AmazonS3 s3Client = new AmazonS3Client(awsCredentials); // Get bucket name and S3 URL. String stagingBucketName = GetBucketName(stagingDir); String stagingS3BucketUrl = "s3://" + stagingBucketName; //$NON-NLS-1$ // Prepare staging S3 URL for Hive script file. String stagingS3qUrl = ""; if (qUrl.startsWith(S3FileProvider.SCHEME + "://")) { //$NON-NLS-1$ // If the .q file is in S3, its staging S3 URL is s3://{bucketname}/{path} if (qUrl.indexOf("@s3") > 0) { //$NON-NLS-1$ stagingS3qUrl = S3FileProvider.SCHEME + "://" + qUrl.substring(qUrl.indexOf("@s3") + 4); //$NON-NLS-1$ } else { stagingS3qUrl = qUrl; } } else { // A local filename is given for the Hive script file. It should be copied to the S3 Log Directory. // First, check for the correct protocol. if (!qUrl.startsWith("file:")) { //$NON-NLS-1$ if (log.isBasic()) { logBasic(BaseMessages.getString(PKG, "AmazonElasticMapReduceJobExecutor.HiveScriptFilename.Error") + qUrl); //$NON-NLS-1$ } } // pull down .q file from VSF FileObject qFile = KettleVFS.getFileObject(buildFilename(qUrl)); File tmpFile = File.createTempFile("customEMR", "q"); //$NON-NLS-1$ tmpFile.deleteOnExit(); FileOutputStream tmpFileOut = new FileOutputStream(tmpFile); IOUtils.copy(qFile.getContent().getInputStream(), tmpFileOut); // Get key name for the script file S3 destination. Key is defined as path name after {bucket}/ String key = GetKeyFromS3Url(stagingDir); if (key == null) { key = qFile.getName().getBaseName(); } else { key += "/" + qFile.getName().getBaseName(); //$NON-NLS-1$ } // delete the previous .q file in S3 try { s3Client.deleteObject(stagingBucketName, key); } catch (Exception ex) { logError(Const.getStackTracker(ex)); } // Put .q file in S3 Log Directory. s3Client.putObject(new PutObjectRequest(stagingBucketName, key, tmpFile)); stagingS3qUrl = stagingS3BucketUrl + "/" + key; //$NON-NLS-1$ } // AWS provides script-runner.jar (in its public bucket), which should be used as a MapReduce jar for Hive EMR // job. jarUrl = "s3://elasticmapreduce/libs/script-runner/script-runner.jar"; //$NON-NLS-1$ RunJobFlowRequest runJobFlowRequest = null; RunJobFlowResult runJobFlowResult = null; if (StringUtil.isEmpty(hadoopJobFlowId)) { // create an EMR job flow, start a step to setup Hive and get the job flow ID. runJobFlowRequest = createJobFlow(); runJobFlowResult = emrClient.runJobFlow(runJobFlowRequest); hadoopJobFlowId = runJobFlowResult.getJobFlowId(); } // Now EMR job flow is ready to accept a Run Hive Script step. // First, prepare a Job Flow ID list. List<String> jobFlowIds = new ArrayList<String>(); jobFlowIds.add(hadoopJobFlowId); // Configure a HadoopJarStep. String args = "s3://elasticmapreduce/libs/hive/hive-script " + "--base-path s3://elasticmapreduce/libs/hive/ --hive-version 0.7 --run-hive-script --args -f " + environmentSubstitute(stagingS3qUrl) + " " + environmentSubstitute(cmdLineArgs); //$NON-NLS-1$ List<StepConfig> steps = ConfigHadoopJarStep(hadoopJobName, jarUrl, args); // Add a Run Hive Script step to the existing job flow. AddJobFlowStepsRequest addJobFlowStepsRequest = new AddJobFlowStepsRequest(); addJobFlowStepsRequest.setJobFlowId(hadoopJobFlowId); addJobFlowStepsRequest.setSteps(steps); emrClient.addJobFlowSteps(addJobFlowStepsRequest); // Set a logging interval. String loggingIntervalS = environmentSubstitute(loggingInterval); int logIntv = 10; try { logIntv = Integer.parseInt(loggingIntervalS); } catch (NumberFormatException ex) { logError(BaseMessages.getString(PKG, "AmazonElasticMapReduceJobExecutor.LoggingInterval.Error", //$NON-NLS-1$ loggingIntervalS)); } // monitor and log if intended. if (blocking) { try { if (log.isBasic()) { String executionState = "RUNNING"; //$NON-NLS-1$ while (isRunning(executionState)) { DescribeJobFlowsRequest describeJobFlowsRequest = new DescribeJobFlowsRequest(); describeJobFlowsRequest.setJobFlowIds(jobFlowIds); DescribeJobFlowsResult describeJobFlowsResult = emrClient .describeJobFlows(describeJobFlowsRequest); boolean found = false; for (JobFlowDetail jobFlowDetail : describeJobFlowsResult.getJobFlows()) { if (jobFlowDetail.getJobFlowId().equals(hadoopJobFlowId)) { executionState = jobFlowDetail.getExecutionStatusDetail().getState(); found = true; } } if (!found) { break; } logBasic(hadoopJobName + " " + BaseMessages.getString(PKG, //$NON-NLS-1$ "AmazonElasticMapReduceJobExecutor.JobFlowExecutionStatus", hadoopJobFlowId) + executionState); if (parentJob.isStopped()) { if (!alive) { TerminateJobFlowsRequest terminateJobFlowsRequest = new TerminateJobFlowsRequest(); terminateJobFlowsRequest.withJobFlowIds(hadoopJobFlowId); emrClient.terminateJobFlows(terminateJobFlowsRequest); } break; } try { if (isRunning(executionState)) { Thread.sleep(logIntv * 1000); } } catch (InterruptedException ie) { logError(Const.getStackTracker(ie)); } } if ("FAILED".equalsIgnoreCase(executionState)) { //$NON-NLS-1$ result.setStopped(true); result.setNrErrors(1); result.setResult(false); S3Object outObject = s3Client.getObject(stagingBucketName, hadoopJobFlowId + "/steps/1/stdout"); //$NON-NLS-1$ ByteArrayOutputStream outStream = new ByteArrayOutputStream(); IOUtils.copy(outObject.getObjectContent(), outStream); logError(outStream.toString()); S3Object errorObject = s3Client.getObject(stagingBucketName, hadoopJobFlowId + "/steps/1/stderr"); //$NON-NLS-1$ ByteArrayOutputStream errorStream = new ByteArrayOutputStream(); IOUtils.copy(errorObject.getObjectContent(), errorStream); logError(errorStream.toString()); } } } catch (Exception e) { logError(e.getMessage(), e); } } } catch (Throwable t) { t.printStackTrace(); result.setStopped(true); result.setNrErrors(1); result.setResult(false); logError(t.getMessage(), t); } if (appender != null) { LogWriter.getInstance().removeAppender(appender); appender.close(); ResultFile resultFile = new ResultFile(ResultFile.FILE_TYPE_LOG, appender.getFile(), parentJob.getJobname(), getName()); result.getResultFiles().put(resultFile.getFile().toString(), resultFile); } return result; }