@BeforeClass
public static void setUpBeforeClass() throws Exception {
ZK_DIR = new File(System.getProperty("java.io.tmpdir") + File.separator + "lily.zklocktest");
ZK_CLIENT_PORT = NetUtils.getFreePort();
ZK_CLUSTER = new MiniZooKeeperCluster();
ZK_CLUSTER.setClientPort(ZK_CLIENT_PORT);
ZK_CLUSTER.startup(ZK_DIR);
}
private int startMaster() {
Configuration conf = getConf();
try {
// If 'local', defer to LocalHBaseCluster instance. Starts master
// and regionserver both in the one JVM.
if (LocalHBaseCluster.isLocal(conf)) {
final MiniZooKeeperCluster zooKeeperCluster = new MiniZooKeeperCluster();
File zkDataPath = new File(conf.get(HConstants.ZOOKEEPER_DATA_DIR));
int zkClientPort = conf.getInt(HConstants.ZOOKEEPER_CLIENT_PORT, 0);
if (zkClientPort == 0) {
throw new IOException("No config value for " + HConstants.ZOOKEEPER_CLIENT_PORT);
}
zooKeeperCluster.setDefaultClientPort(zkClientPort);
// login the zookeeper server principal (if using security)
ZKUtil.loginServer(
conf,
"hbase.zookeeper.server.keytab.file",
"hbase.zookeeper.server.kerberos.principal",
null);
int clientPort = zooKeeperCluster.startup(zkDataPath);
if (clientPort != zkClientPort) {
String errorMsg =
"Could not start ZK at requested port of "
+ zkClientPort
+ ". ZK was started at port: "
+ clientPort
+ ". Aborting as clients (e.g. shell) will not be able to find "
+ "this ZK quorum.";
System.err.println(errorMsg);
throw new IOException(errorMsg);
}
conf.set(HConstants.ZOOKEEPER_CLIENT_PORT, Integer.toString(clientPort));
// Need to have the zk cluster shutdown when master is shutdown.
// Run a subclass that does the zk cluster shutdown on its way out.
LocalHBaseCluster cluster =
new LocalHBaseCluster(conf, 1, 1, LocalHMaster.class, HRegionServer.class);
((LocalHMaster) cluster.getMaster(0)).setZKCluster(zooKeeperCluster);
cluster.startup();
waitOnMasterThreads(cluster);
} else {
HMaster master = HMaster.constructMaster(masterClass, conf);
if (master.isStopped()) {
LOG.info("Won't bring the Master up as a shutdown is requested");
return -1;
}
master.start();
master.join();
if (master.isAborted()) throw new RuntimeException("HMaster Aborted");
}
} catch (Throwable t) {
LOG.error("Failed to start master", t);
return -1;
}
return 0;
}
public void preTest(HiveConf conf) throws Exception {
if (zooKeeperCluster == null) {
// create temp dir
String tmpBaseDir = System.getProperty("test.tmp.dir");
File tmpDir = Utilities.createTempDir(tmpBaseDir);
zooKeeperCluster = new MiniZooKeeperCluster();
zkPort = zooKeeperCluster.startup(tmpDir);
}
if (zooKeeper != null) {
zooKeeper.close();
}
int sessionTimeout =
(int)
conf.getTimeVar(
HiveConf.ConfVars.HIVE_ZOOKEEPER_SESSION_TIMEOUT, TimeUnit.MILLISECONDS);
zooKeeper =
new ZooKeeper(
"localhost:" + zkPort,
sessionTimeout,
new Watcher() {
@Override
public void process(WatchedEvent arg0) {}
});
String zkServer = "localhost";
conf.set("hive.zookeeper.quorum", zkServer);
conf.set("hive.zookeeper.client.port", "" + zkPort);
}
private void shutDownMiniClusters() throws Exception {
int numClusters = utilities.length;
for (int i = numClusters - 1; i >= 0; i--) {
if (utilities[i] != null) {
utilities[i].shutdownMiniCluster();
}
}
miniZK.shutdown();
}
public void tearDown() throws Exception {
if (zooKeeperCluster != null) {
zooKeeperCluster.shutdown();
zooKeeperCluster = null;
}
}
@Test
public void testHostRank() throws Exception {
if (System.getProperty("prop.mapred.job.tracker") != null) {
if (LOG.isInfoEnabled())
LOG.info("testHBaseInputOutput: Ignore this test if not local mode.");
return;
}
File jarTest = new File(System.getProperty("prop.jarLocation"));
if (!jarTest.exists()) {
fail(
"Could not find Giraph jar at "
+ "location specified by 'prop.jarLocation'. "
+ "Make sure you built the main Giraph artifact?.");
}
MiniHBaseCluster cluster = null;
MiniZooKeeperCluster zkCluster = null;
FileSystem fs = null;
try {
// using the restart method allows us to avoid having the hbase
// root directory overwritten by /home/$username
zkCluster = testUtil.startMiniZKCluster();
testUtil.restartHBaseCluster(2);
cluster = testUtil.getMiniHBaseCluster();
final byte[] OL_BYTES = Bytes.toBytes("ol");
final byte[] S_BYTES = Bytes.toBytes("s");
final byte[] METADATA_BYTES = Bytes.toBytes("mtdt");
final byte[] HR_BYTES = Bytes.toBytes("_hr_");
final byte[] TAB = Bytes.toBytes(TABLE_NAME);
Configuration conf = cluster.getConfiguration();
HTableDescriptor desc = new HTableDescriptor(TAB);
desc.addFamily(new HColumnDescriptor(OL_BYTES));
desc.addFamily(new HColumnDescriptor(S_BYTES));
desc.addFamily(new HColumnDescriptor(METADATA_BYTES));
HBaseAdmin hbaseAdmin = new HBaseAdmin(conf);
if (hbaseAdmin.isTableAvailable(TABLE_NAME)) {
hbaseAdmin.disableTable(TABLE_NAME);
hbaseAdmin.deleteTable(TABLE_NAME);
}
hbaseAdmin.createTable(desc);
/**
* Enter the initial data (a,b), (b,c), (a,c) a = 1.0 - google b = 1.0 - yahoo c = 1.0 - bing
*/
HTable table = new HTable(conf, TABLE_NAME);
Put p1 = new Put(Bytes.toBytes("com.google.www"));
p1.add(OL_BYTES, Bytes.toBytes("www.yahoo.com"), Bytes.toBytes("ab"));
Put p2 = new Put(Bytes.toBytes("com.google.www"));
p2.add(OL_BYTES, Bytes.toBytes("www.bing.com"), Bytes.toBytes("ac"));
p2.add(OL_BYTES, Bytes.toBytes("www.bing.com"), Bytes.toBytes("invalid1"));
p2.add(OL_BYTES, Bytes.toBytes("www.google.com"), Bytes.toBytes("invalid2"));
Put p3 = new Put(Bytes.toBytes("com.yahoo.www"));
p3.add(OL_BYTES, Bytes.toBytes("www.bing.com"), Bytes.toBytes("bc"));
// p3.add(OL_BYTES, Bytes.toBytes(""), Bytes.toBytes("invalid4"));
Put p4 = new Put(Bytes.toBytes("com.bing.www"));
// TODO: Handle below case. use apache isValid method.
p4.add(OL_BYTES, Bytes.toBytes("http://invalidurl"), Bytes.toBytes("invalid5"));
p4.add(S_BYTES, S_BYTES, Bytes.toBytes(10.0d));
Put p5 = new Put(Bytes.toBytes("dummy"));
p5.add(S_BYTES, S_BYTES, Bytes.toBytes(10.0d));
table.put(p1);
table.put(p2);
table.put(p3);
table.put(p4);
table.put(p5);
// Set Giraph configuration
// now operate over HBase using Vertex I/O formats
conf.set(TableInputFormat.INPUT_TABLE, TABLE_NAME);
conf.set(TableOutputFormat.OUTPUT_TABLE, TABLE_NAME);
// Start the giraph job
GiraphJob giraphJob = new GiraphJob(conf, BspCase.getCallingMethodName());
GiraphConfiguration giraphConf = giraphJob.getConfiguration();
giraphConf.setZooKeeperConfiguration(cluster.getMaster().getZooKeeper().getQuorum());
setupConfiguration(giraphJob);
giraphConf.setComputationClass(LinkRankComputation.class);
giraphConf.setMasterComputeClass(LinkRankVertexMasterCompute.class);
giraphConf.setOutEdgesClass(ByteArrayEdges.class);
giraphConf.setVertexInputFormatClass(Nutch2HostInputFormat.class);
giraphConf.setVertexOutputFormatClass(Nutch2HostOutputFormat.class);
giraphConf.setInt("giraph.linkRank.superstepCount", 10);
giraphConf.setInt("giraph.linkRank.scale", 10);
giraphConf.set("giraph.linkRank.family", "mtdt");
giraphConf.set("giraph.linkRank.qualifier", "_hr_");
giraphConf.setVertexInputFilterClass(HostRankVertexFilter.class);
assertTrue(giraphJob.run(true));
if (LOG.isInfoEnabled()) LOG.info("Giraph job successful. Checking output qualifier.");
/** Check the results * */
Result result;
String key;
byte[] calculatedScoreByte;
HashMap expectedValues = new HashMap<String, Double>();
expectedValues.put("com.google.www", 1.3515060339386287d);
expectedValues.put("com.yahoo.www", 4.144902009567587d);
expectedValues.put("com.bing.www", 9.063893290511482d);
for (Object keyObject : expectedValues.keySet()) {
key = keyObject.toString();
result = table.get(new Get(key.getBytes()));
calculatedScoreByte = result.getValue(METADATA_BYTES, HR_BYTES);
assertNotNull(calculatedScoreByte);
assertTrue(calculatedScoreByte.length > 0);
Assert.assertEquals(
"Scores are not the same",
(Double) expectedValues.get(key),
Bytes.toDouble(calculatedScoreByte),
DELTA);
}
} finally {
if (cluster != null) {
cluster.shutdown();
}
if (zkCluster != null) {
zkCluster.shutdown();
}
// clean test files
if (fs != null) {
fs.delete(hbaseRootdir);
}
}
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
if (ZK_CLUSTER != null) {
ZK_CLUSTER.shutdown();
}
}