@Test
public void testQuery() throws Throwable {
QNodeHandler handler = new QNodeHandler();
handler.init(SploutConfiguration.getTestConfig());
SploutConfiguration config = SploutConfiguration.getTestConfig();
DNode dnode =
TestUtils.getTestDNode(config, dHandler, "dnode-" + this.getClass().getName() + "-2");
try {
ReplicationEntry repEntry = new ReplicationEntry(0, dnode.getAddress());
Tablespace tablespace1 =
new Tablespace(
PartitionMap.oneShardOpenedMap(),
new ReplicationMap(Arrays.asList(repEntry)),
0l,
0l);
handler
.getContext()
.getTablespaceVersionsMap()
.put(new TablespaceVersion("tablespace1", 0l), tablespace1);
handler.getContext().getCurrentVersionsMap().put("tablespace1", 0l);
// Query key 2 (> 1 < 10)
QueryStatus qStatus = handler.query("tablespace1", "2", "SELECT 1;", null);
Assert.assertEquals(new Integer(0), qStatus.getShard());
Assert.assertEquals("[1]", qStatus.getResult().toString());
} finally {
handler.close();
dnode.stop();
Hazelcast.shutdownAll();
}
}
@Test
public void testDNodeDownAndUp() throws Throwable {
SploutConfiguration config = SploutConfiguration.getTestConfig();
QNodeHandler handler = new QNodeHandler();
HazelcastInstance hz = Hazelcast.newHazelcastInstance(HazelcastConfigBuilder.build(config));
try {
CoordinationStructures coord = new CoordinationStructures(hz);
SploutConfiguration dNodeConfig = SploutConfiguration.getTestConfig();
dNodeConfig.setProperty(DNodeProperties.PORT, 1000);
coord.getDNodes().put("/localhost:1000", new DNodeInfo(dNodeConfig));
try {
handler.init(config);
} catch (Exception e) {
// since the handler will try to connect to "localhost:1000" we skip the Exception and
// continue
// the things we want to assert should be present anyway.
}
Assert.assertEquals(
handler.getContext().getCoordinationStructures().getDNodes().values().size(), 1);
coord.getDNodes().remove(coord.getDNodes().entrySet().iterator().next().getKey());
Thread.sleep(100);
Assert.assertEquals(
handler.getContext().getCoordinationStructures().getDNodes().values().size(), 0);
dNodeConfig = SploutConfiguration.getTestConfig();
dNodeConfig.setProperty(DNodeProperties.PORT, 1001);
coord.getDNodes().put("/localhost:1001", new DNodeInfo(dNodeConfig));
Thread.sleep(100);
Assert.assertEquals(
handler.getContext().getCoordinationStructures().getDNodes().values().size(), 1);
dNodeConfig = SploutConfiguration.getTestConfig();
dNodeConfig.setProperty(DNodeProperties.PORT, 1000);
coord.getDNodes().put("/localhost:1000", new DNodeInfo(dNodeConfig));
Thread.sleep(100);
Assert.assertEquals(
handler.getContext().getCoordinationStructures().getDNodes().values().size(), 2);
coord.getDNodes().remove(coord.getDNodes().entrySet().iterator().next().getKey());
coord.getDNodes().remove(coord.getDNodes().entrySet().iterator().next().getKey());
Thread.sleep(100);
Assert.assertEquals(
handler.getContext().getCoordinationStructures().getDNodes().values().size(), 0);
} finally {
handler.close();
Hazelcast.shutdownAll();
}
}
@Test
public void testDeployEnding() throws Throwable {
// Test what happens when DNodes complete the deploy process
final QNodeHandler handler = new QNodeHandler();
SploutConfiguration config = SploutConfiguration.getTestConfig();
DNodeHandler dHandler = new DNodeHandler();
DNode dnode =
TestUtils.getTestDNode(config, dHandler, "dnode-" + this.getClass().getName() + "-1");
try {
handler.init(config);
DeployRequest deployRequest1 = new DeployRequest();
deployRequest1.setTablespace("partition1");
deployRequest1.setPartitionMap(PartitionMap.oneShardOpenedMap().getPartitionEntries());
deployRequest1.setReplicationMap(
ReplicationMap.oneToOneMap(dnode.getAddress()).getReplicationEntries());
File fakeDeployFolder = new File(FAKE_DEPLOY_FOLDER);
fakeDeployFolder.mkdir();
File deployData = new File(fakeDeployFolder, "0.db");
deployData.createNewFile();
deployRequest1.setData_uri(fakeDeployFolder.toURI().toString());
List<DeployRequest> l = new ArrayList<DeployRequest>();
l.add(deployRequest1);
handler.deploy(l);
new TestUtils.NotWaitingForeverCondition() {
@Override
public boolean endCondition() {
boolean cond1 = handler.getContext().getTablespaceVersionsMap().values().size() == 1;
boolean cond2 = handler.getContext().getCurrentVersionsMap().get("partition1") != null;
return cond1 && cond2;
}
}.waitAtMost(5000);
assertEquals(
(long)
handler
.getContext()
.getTablespaceVersionsMap()
.keySet()
.iterator()
.next()
.getVersion(),
(long) handler.getContext().getCurrentVersionsMap().values().iterator().next());
// everything OK
} finally {
handler.close();
dnode.stop();
Hazelcast.shutdownAll();
}
}
/** Get the Splout configuration using double configuration: defaults + custom */
public static SploutConfiguration get(String rootDir) {
SploutConfiguration properties = new SploutConfiguration();
PropertiesConfiguration config = load(rootDir, SPLOUT_PROPERTIES, false);
if (config != null) {
properties.addConfiguration(config);
}
config = load(rootDir, SPLOUT_PROPERTIES + ".default", true);
properties.addConfiguration(config);
// The following lines replaces the default "localhost" by the local IP for convenience:
String myIp = "localhost";
try {
Collection<InetAddress> iNetAddresses = GetIPAddresses.getAllLocalIPs();
// but only if there is Internet connectivity!
if (iNetAddresses != null) {
Iterator<InetAddress> it = iNetAddresses.iterator();
if (it.hasNext()) {
InetAddress address = it.next();
if (address.getHostAddress() != null) {
myIp = address.getHostAddress();
}
}
}
} catch (IOException e) {
throw new RuntimeException(e);
}
if (config.getString(QNodeProperties.HOST) != null
&& config.getString(QNodeProperties.HOST).equals("localhost")) {
config.setProperty(QNodeProperties.HOST, myIp);
}
if (config.getString(DNodeProperties.HOST) != null
&& config.getString(DNodeProperties.HOST).equals("localhost")) {
config.setProperty(DNodeProperties.HOST, myIp);
}
return properties;
}
@Test
public void testUniqueIdGenerator() throws HazelcastConfigBuilderException {
try {
SploutConfiguration config = SploutConfiguration.getTestConfig();
HazelcastInstance hz = Hazelcast.newHazelcastInstance(HazelcastConfigBuilder.build(config));
CoordinationStructures cS = new CoordinationStructures(hz);
for (int i = 0; i < 1000; i++) {
long version1 = cS.uniqueVersionId();
long version2 = cS.uniqueVersionId();
assertTrue(version2 > version1);
}
} finally {
Hazelcast.shutdownAll();
}
}
/** Gets only the default values and adds some desirable properties for testing, */
public static SploutConfiguration getTestConfig() {
SploutConfiguration properties = new SploutConfiguration();
PropertiesConfiguration config = load("", SPLOUT_PROPERTIES + ".default", true);
properties.addConfiguration(config);
// Activate replica balancing for tests
properties.setProperty(QNodeProperties.REPLICA_BALANCE_ENABLE, true);
// Disable wait for testing speedup.
properties.setProperty(HazelcastProperties.DISABLE_WAIT_WHEN_JOINING, true);
// Disable warming up - set it to only one second
// that's enough since Hazelcast joining is by far slower
properties.setProperty(QNodeProperties.WARMING_TIME, 1);
// Disable HZ state storage
properties.clearProperty(HazelcastProperties.HZ_PERSISTENCE_FOLDER);
return properties;
}
public Fetcher(SploutConfiguration config) {
tempDir = new File(config.getString(FetcherProperties.TEMP_DIR));
accessKey = config.getString(FetcherProperties.S3_ACCESS_KEY, null);
secretKey = config.getString(FetcherProperties.S3_SECRET_KEY, null);
downloadBufferSize = config.getInt(FetcherProperties.DOWNLOAD_BUFFER);
bytesPerSecThrottle = config.getInt(FetcherProperties.BYTES_PER_SEC_THROTTLE);
bytesToReportProgress = config.getLong(FetcherProperties.BYTES_TO_REPORT_PROGRESS);
String fsName = config.getString(FetcherProperties.HADOOP_FS_NAME);
hadoopConf = new Configuration();
if (fsName != null) {
hadoopConf.set("fs.default.name", fsName);
}
log.info("Created " + Fetcher.class + " with tempDir = " + tempDir);
if (bytesPerSecThrottle > 0) {
log.info("Throttling at: " + bytesPerSecThrottle + " bytes per sec.");
} else {
log.warn(
"No throttling. Fetched data will be transferred at full speed. This may affect query servicing.");
}
}
@Test
public void testInitVersionListAndVersionChange() throws Throwable {
final QNodeHandler handler = new QNodeHandler();
SploutConfiguration config = SploutConfiguration.getTestConfig();
try {
HazelcastInstance hz = Hazelcast.newHazelcastInstance(HazelcastConfigBuilder.build(config));
CoordinationStructures coord = new CoordinationStructures(hz);
handler.init(config);
Map<String, Long> versionsBeingServed = new HashMap<String, Long>();
versionsBeingServed.put("t1", 0l);
coord
.getVersionsBeingServed()
.put(CoordinationStructures.KEY_FOR_VERSIONS_BEING_SERVED, versionsBeingServed);
versionsBeingServed.put("t2", 1l);
coord
.getVersionsBeingServed()
.put(CoordinationStructures.KEY_FOR_VERSIONS_BEING_SERVED, versionsBeingServed);
new TestUtils.NotWaitingForeverCondition() {
@Override
public boolean endCondition() {
return handler.getContext().getCurrentVersionsMap().get("t1") != null
&& handler.getContext().getCurrentVersionsMap().get("t1") == 0l
&& handler.getContext().getCurrentVersionsMap().get("t2") != null
&& handler.getContext().getCurrentVersionsMap().get("t2") == 1l;
}
}.waitAtMost(5000);
versionsBeingServed.put("t2", 0l);
versionsBeingServed.put("t1", 1l);
coord
.getVersionsBeingServed()
.put(CoordinationStructures.KEY_FOR_VERSIONS_BEING_SERVED, versionsBeingServed);
new TestUtils.NotWaitingForeverCondition() {
@Override
public boolean endCondition() {
return handler.getContext().getCurrentVersionsMap().get("t1") != null
&& handler.getContext().getCurrentVersionsMap().get("t1") == 1l
&& handler.getContext().getCurrentVersionsMap().get("t2") != null
&& handler.getContext().getCurrentVersionsMap().get("t2") == 0l;
}
}.waitAtMost(5000);
versionsBeingServed.put("t2", 1l);
versionsBeingServed.put("t1", 0l);
coord
.getVersionsBeingServed()
.put(CoordinationStructures.KEY_FOR_VERSIONS_BEING_SERVED, versionsBeingServed);
Thread.sleep(100);
Assert.assertEquals(0l, (long) handler.getContext().getCurrentVersionsMap().get("t1"));
Assert.assertEquals(1l, (long) handler.getContext().getCurrentVersionsMap().get("t2"));
} finally {
handler.close();
Hazelcast.shutdownAll();
}
}
@Test
public void testDeployFiring() throws Throwable {
// Test the business logic that produces the firing of the deployment (not the continuation of
// it) For that, we will
// use dummy DNodeHandlers
QNodeHandler handler = new QNodeHandler();
SploutConfiguration config = SploutConfiguration.getTestConfig();
DNode dnode =
TestUtils.getTestDNode(
config,
new IDNodeHandler() {
@Override
public void init(SploutConfiguration config) throws Exception {}
@Override
public String sqlQuery(String tablespace, long version, int partition, String query)
throws DNodeException {
return null;
}
@Override
public String deploy(List<DeployAction> deployActions, long version)
throws DNodeException {
Assert.assertEquals(1, deployActions.size());
Assert.assertEquals("hdfs://foo/bar/0.db", deployActions.get(0).getDataURI());
Assert.assertEquals("partition1", deployActions.get(0).getTablespace());
Assert.assertTrue(version >= 0); // TODO Is this the right checking here?
return "FOO";
}
@Override
public String rollback(List<RollbackAction> rollbackActions, String ignoreMe)
throws DNodeException {
return null;
}
@Override
public String status() throws DNodeException {
return null;
}
@Override
public void stop() throws Exception {}
@Override
public void giveGreenLigth() {}
@Override
public String abortDeploy(long version) throws DNodeException {
return null;
}
@Override
public String deleteOldVersions(List<com.splout.db.thrift.TablespaceVersion> versions)
throws DNodeException {
return null;
}
@Override
public String testCommand(String command) throws DNodeException {
// TODO Auto-generated method stub
return null;
}
},
"dnode-" + this.getClass().getName() + "-5");
try {
handler.init(config);
ReplicationEntry repEntry = new ReplicationEntry(0, dnode.getAddress());
DeployRequest deployRequest = new DeployRequest();
deployRequest.setTablespace("partition1");
deployRequest.setPartitionMap(PartitionMap.oneShardOpenedMap().getPartitionEntries());
deployRequest.setReplicationMap(Arrays.asList(repEntry));
deployRequest.setData_uri("hdfs://foo/bar");
List<DeployRequest> l = new ArrayList<DeployRequest>();
l.add(deployRequest);
handler.deploy(l);
} finally {
handler.close();
dnode.stop();
Hazelcast.shutdownAll();
}
}
@Test
public void testMultiDeployFiring() throws Throwable {
// Same as test deploy firing, but with more than one DNode and different deploy actions
SploutConfiguration config1 = SploutConfiguration.getTestConfig();
DNode dnode1 =
TestUtils.getTestDNode(
config1,
new IDNodeHandler() {
@Override
public void init(SploutConfiguration config) throws Exception {}
@Override
public String sqlQuery(String tablespace, long version, int partition, String query)
throws DNodeException {
return null;
}
@Override
public String deploy(List<DeployAction> deployActions, long distributedBarrier)
throws DNodeException {
/*
* DNode1 asserts
*/
Assert.assertEquals(2, deployActions.size());
Assert.assertEquals("hdfs://foo/bar1/0.db", deployActions.get(0).getDataURI());
Assert.assertEquals("hdfs://foo/bar2/0.db", deployActions.get(1).getDataURI());
Assert.assertEquals("partition1", deployActions.get(0).getTablespace());
Assert.assertEquals("partition2", deployActions.get(1).getTablespace());
return "FOO";
}
@Override
public String rollback(List<RollbackAction> rollbackActions, String ignoreMe)
throws DNodeException {
return null;
}
@Override
public String status() throws DNodeException {
return null;
}
@Override
public void stop() throws Exception {}
@Override
public void giveGreenLigth() {}
@Override
public String abortDeploy(long version) throws DNodeException {
return null;
}
@Override
public String deleteOldVersions(List<com.splout.db.thrift.TablespaceVersion> versions)
throws DNodeException {
return null;
}
@Override
public String testCommand(String command) throws DNodeException {
// TODO Auto-generated method stub
return null;
}
},
"dnode-" + this.getClass().getName() + "-3");
SploutConfiguration config2 = SploutConfiguration.getTestConfig();
DNode dnode2 =
TestUtils.getTestDNode(
config2,
new IDNodeHandler() {
@Override
public void init(SploutConfiguration config) throws Exception {}
@Override
public String sqlQuery(String tablespace, long version, int partition, String query)
throws DNodeException {
return null;
}
@Override
public String deploy(List<DeployAction> deployActions, long distributedBarrier)
throws DNodeException {
/*
* DNode2 asserts
*/
Assert.assertEquals(1, deployActions.size());
Assert.assertEquals("hdfs://foo/bar1/0.db", deployActions.get(0).getDataURI());
Assert.assertEquals("partition1", deployActions.get(0).getTablespace());
return "FOO";
}
@Override
public String rollback(List<RollbackAction> rollbackActions, String ignoreMe)
throws DNodeException {
return null;
}
@Override
public String status() throws DNodeException {
return null;
}
@Override
public void stop() throws Exception {}
@Override
public void giveGreenLigth() {}
@Override
public String abortDeploy(long version) throws DNodeException {
return null;
}
@Override
public String deleteOldVersions(List<com.splout.db.thrift.TablespaceVersion> versions)
throws DNodeException {
return null;
}
@Override
public String testCommand(String command) throws DNodeException {
// TODO Auto-generated method stub
return null;
}
},
"dnode-" + this.getClass().getName() + "-4");
QNodeHandler handler = new QNodeHandler();
try {
handler.init(config1);
ReplicationEntry repEntry1 =
new ReplicationEntry(0, dnode1.getAddress(), dnode2.getAddress());
ReplicationEntry repEntry2 = new ReplicationEntry(0, dnode1.getAddress());
DeployRequest deployRequest1 = new DeployRequest();
deployRequest1.setTablespace("partition1");
deployRequest1.setPartitionMap(PartitionMap.oneShardOpenedMap().getPartitionEntries());
deployRequest1.setReplicationMap(Arrays.asList(repEntry1));
deployRequest1.setData_uri("hdfs://foo/bar1");
DeployRequest deployRequest2 = new DeployRequest();
deployRequest2.setTablespace("partition2");
deployRequest2.setPartitionMap(PartitionMap.oneShardOpenedMap().getPartitionEntries());
deployRequest2.setReplicationMap(Arrays.asList(repEntry2));
deployRequest2.setData_uri("hdfs://foo/bar2");
List<DeployRequest> l = new ArrayList<DeployRequest>();
l.add(deployRequest1);
l.add(deployRequest2);
handler.deploy(l);
} finally {
handler.close();
dnode1.stop();
dnode2.stop();
Hazelcast.shutdownAll();
}
}
