| /* |
| * 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.accumulo.test.mapreduce; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Iterator; |
| import java.util.Map.Entry; |
| |
| import org.apache.accumulo.core.client.Accumulo; |
| import org.apache.accumulo.core.client.AccumuloClient; |
| import org.apache.accumulo.core.client.BatchWriter; |
| import org.apache.accumulo.core.client.MutationsRejectedException; |
| import org.apache.accumulo.core.client.Scanner; |
| import org.apache.accumulo.core.client.TableNotFoundException; |
| import org.apache.accumulo.core.clientImpl.ClientInfo; |
| import org.apache.accumulo.core.data.Key; |
| import org.apache.accumulo.core.data.Mutation; |
| import org.apache.accumulo.core.data.Value; |
| import org.apache.accumulo.core.security.Authorizations; |
| import org.apache.accumulo.harness.AccumuloClusterHarness; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.conf.Configured; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.mapreduce.Job; |
| import org.apache.hadoop.mapreduce.Mapper; |
| import org.apache.hadoop.util.Tool; |
| import org.apache.hadoop.util.ToolRunner; |
| import org.junit.Test; |
| |
| /** |
| * This tests deprecated mapreduce code in core jar |
| */ |
| @Deprecated(since = "2.0.0") |
| public class AccumuloOutputFormatIT extends AccumuloClusterHarness { |
| private static AssertionError e1 = null; |
| |
| private static class MRTester extends Configured implements Tool { |
| private static class TestMapper extends Mapper<Key,Value,Text,Mutation> { |
| Key key = null; |
| int count = 0; |
| |
| @Override |
| protected void map(Key k, Value v, Context context) { |
| try { |
| if (key != null) |
| assertEquals(key.getRow().toString(), new String(v.get())); |
| assertEquals(k.getRow(), new Text(String.format("%09x", count + 1))); |
| assertEquals(new String(v.get()), String.format("%09x", count)); |
| } catch (AssertionError e) { |
| e1 = e; |
| } |
| key = new Key(k); |
| count++; |
| } |
| |
| @Override |
| protected void cleanup(Context context) throws IOException, InterruptedException { |
| Mutation m = new Mutation("total"); |
| m.put("", "", Integer.toString(count)); |
| context.write(new Text(), m); |
| } |
| } |
| |
| @Override |
| public int run(String[] args) throws Exception { |
| |
| if (args.length != 2) { |
| throw new IllegalArgumentException( |
| "Usage : " + MRTester.class.getName() + " <inputtable> <outputtable>"); |
| } |
| |
| String table1 = args[0]; |
| String table2 = args[1]; |
| |
| Job job = Job.getInstance(getConf(), |
| this.getClass().getSimpleName() + "_" + System.currentTimeMillis()); |
| job.setJarByClass(this.getClass()); |
| |
| job.setInputFormatClass(org.apache.accumulo.core.client.mapreduce.AccumuloInputFormat.class); |
| |
| ClientInfo ci = getClientInfo(); |
| org.apache.accumulo.core.client.mapreduce.AccumuloInputFormat.setZooKeeperInstance(job, |
| ci.getInstanceName(), ci.getZooKeepers()); |
| org.apache.accumulo.core.client.mapreduce.AccumuloInputFormat.setConnectorInfo(job, |
| ci.getPrincipal(), ci.getAuthenticationToken()); |
| org.apache.accumulo.core.client.mapreduce.AccumuloInputFormat.setInputTableName(job, table1); |
| |
| job.setMapperClass(TestMapper.class); |
| job.setMapOutputKeyClass(Key.class); |
| job.setMapOutputValueClass(Value.class); |
| job.setOutputFormatClass( |
| org.apache.accumulo.core.client.mapreduce.AccumuloOutputFormat.class); |
| job.setOutputKeyClass(Text.class); |
| job.setOutputValueClass(Mutation.class); |
| |
| org.apache.accumulo.core.client.mapreduce.AccumuloOutputFormat.setZooKeeperInstance(job, |
| ci.getInstanceName(), ci.getZooKeepers()); |
| org.apache.accumulo.core.client.mapreduce.AccumuloOutputFormat.setConnectorInfo(job, |
| ci.getPrincipal(), ci.getAuthenticationToken()); |
| org.apache.accumulo.core.client.mapreduce.AccumuloOutputFormat.setCreateTables(job, false); |
| org.apache.accumulo.core.client.mapreduce.AccumuloOutputFormat.setDefaultTableName(job, |
| table2); |
| |
| job.setNumReduceTasks(0); |
| |
| job.waitForCompletion(true); |
| |
| return job.isSuccessful() ? 0 : 1; |
| } |
| |
| public static void main(String[] args) throws Exception { |
| Configuration conf = new Configuration(); |
| conf.set("mapreduce.framework.name", "local"); |
| conf.set("mapreduce.cluster.local.dir", |
| new File(System.getProperty("user.dir"), "target/mapreduce-tmp").getAbsolutePath()); |
| assertEquals(0, ToolRunner.run(conf, new MRTester(), args)); |
| } |
| } |
| |
| public static void insertData(AccumuloClient client, String table) |
| throws TableNotFoundException, MutationsRejectedException { |
| try (BatchWriter bw = client.createBatchWriter(table)) { |
| for (int i = 0; i < 100; i++) { |
| Mutation m = new Mutation(new Text(String.format("%09x", i + 1))); |
| m.put("", "", String.format("%09x", i)); |
| bw.addMutation(m); |
| } |
| } |
| } |
| |
| @Test |
| public void testMR() throws Exception { |
| String[] tableNames = getUniqueNames(2); |
| String table1 = tableNames[0]; |
| String table2 = tableNames[1]; |
| try (AccumuloClient c = Accumulo.newClient().from(getClientProps()).build()) { |
| c.tableOperations().create(table1); |
| c.tableOperations().create(table2); |
| insertData(c, table1); |
| |
| MRTester.main(new String[] {table1, table2}); |
| assertNull(e1); |
| |
| try (Scanner scanner = c.createScanner(table2, new Authorizations())) { |
| Iterator<Entry<Key,Value>> iter = scanner.iterator(); |
| assertTrue(iter.hasNext()); |
| Entry<Key,Value> entry = iter.next(); |
| assertEquals(Integer.parseInt(new String(entry.getValue().get())), 100); |
| assertFalse(iter.hasNext()); |
| } |
| } |
| } |
| } |