/*
* 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.io.PrintStream;
import java.util.Iterator;
import java.util.Map.Entry;
import org.apache.accumulo.core.client.BatchWriter;
import org.apache.accumulo.core.client.BatchWriterConfig;
import org.apache.accumulo.core.client.Connector;
import org.apache.accumulo.core.client.Scanner;
import org.apache.accumulo.core.client.impl.Credentials;
import org.apache.accumulo.core.client.mapreduce.AccumuloInputFormat;
import org.apache.accumulo.core.client.mapreduce.AccumuloOutputFormat;
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.core.util.CachedConfiguration;
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.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
public class TokenFileIT extends AccumuloClusterHarness {
private static AssertionError e1 = null;
private static class MRTokenFileTester 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) throws IOException, InterruptedException {
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 != 3) {
throw new IllegalArgumentException("Usage : " + MRTokenFileTester.class.getName() + " <token file> <inputtable> <outputtable>");
}
String user = getAdminPrincipal();
String tokenFile = args[0];
String table1 = args[1];
String table2 = args[2];
Job job = Job.getInstance(getConf(), this.getClass().getSimpleName() + "_" + System.currentTimeMillis());
job.setJarByClass(this.getClass());
job.setInputFormatClass(AccumuloInputFormat.class);
AccumuloInputFormat.setConnectorInfo(job, user, tokenFile);
AccumuloInputFormat.setInputTableName(job, table1);
AccumuloInputFormat.setZooKeeperInstance(job, getCluster().getClientConfig());
job.setMapperClass(TestMapper.class);
job.setMapOutputKeyClass(Key.class);
job.setMapOutputValueClass(Value.class);
job.setOutputFormatClass(AccumuloOutputFormat.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(Mutation.class);
AccumuloOutputFormat.setConnectorInfo(job, user, tokenFile);
AccumuloOutputFormat.setCreateTables(job, false);
AccumuloOutputFormat.setDefaultTableName(job, table2);
AccumuloOutputFormat.setZooKeeperInstance(job, getCluster().getClientConfig());
job.setNumReduceTasks(0);
job.waitForCompletion(true);
return job.isSuccessful() ? 0 : 1;
}
public static void main(String[] args) throws Exception {
Configuration conf = CachedConfiguration.getInstance();
conf.set("hadoop.tmp.dir", new File(args[0]).getParent());
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 MRTokenFileTester(), args));
}
}
@Rule
public TemporaryFolder folder = new TemporaryFolder(new File(System.getProperty("user.dir") + "/target"));
@Test
public void testMR() throws Exception {
String[] tableNames = getUniqueNames(2);
String table1 = tableNames[0];
String table2 = tableNames[1];
Connector c = getConnector();
c.tableOperations().create(table1);
c.tableOperations().create(table2);
BatchWriter bw = c.createBatchWriter(table1, new BatchWriterConfig());
for (int i = 0; i < 100; i++) {
Mutation m = new Mutation(new Text(String.format("%09x", i + 1)));
m.put(new Text(), new Text(), new Value(String.format("%09x", i).getBytes()));
bw.addMutation(m);
}
bw.close();
File tf = folder.newFile("root_test.pw");
PrintStream out = new PrintStream(tf);
String outString = new Credentials(getAdminPrincipal(), getAdminToken()).serialize();
out.println(outString);
out.close();
MRTokenFileTester.main(new String[] {tf.getAbsolutePath(), table1, table2});
assertNull(e1);
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());
}
}