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Original file line number Diff line number Diff line change
@@ -0,0 +1,57 @@
/**
* 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.hadoop.yarn.api.records.timeline.reader;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;

import javax.ws.rs.Consumes;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.Provider;
import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;

/**
* We have defined a dedicated Reader for TimelineEntity,
* aimed at adapting to the Jersey2 framework
* to ensure that JSON can be converted into TimelineEntity.
*/
@Provider
@Consumes(MediaType.APPLICATION_JSON)
public class TimelineEntityReader implements MessageBodyReader<TimelineEntity> {

private ObjectMapper objectMapper = new ObjectMapper();

@Override
public boolean isReadable(Class<?> type, Type genericType,
Annotation[] annotations, MediaType mediaType) {
return type == TimelineEntity.class;
}

@Override
public TimelineEntity readFrom(Class<TimelineEntity> type, Type genericType,
Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, String> httpHeaders,
InputStream entityStream) throws IOException, WebApplicationException {
return objectMapper.readValue(entityStream, TimelineEntity.class);
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -41,8 +41,10 @@
import org.apache.hadoop.yarn.YarnUncaughtExceptionHandler;
import org.apache.hadoop.yarn.api.ApplicationBaseProtocol;
import org.apache.hadoop.yarn.api.records.timeline.reader.TimelineDomainReader;
import org.apache.hadoop.yarn.api.records.timeline.reader.TimelineEntityReader;
import org.apache.hadoop.yarn.api.records.timeline.reader.TimelinePutResponseReader;
import org.apache.hadoop.yarn.api.records.timeline.reader.TimelineEntitiesReader;
import org.apache.hadoop.yarn.api.records.timeline.writer.TimelineEntityWriter;
import org.apache.hadoop.yarn.api.records.timeline.writer.TimelineEntitiesWriter;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
Expand Down Expand Up @@ -363,6 +365,8 @@ protected ResourceConfig configure() {
config.register(AHSWebServices.class);
config.register(TimelineEntitiesWriter.class);
config.register(TimelineEntitiesReader.class);
config.register(TimelineEntityReader.class);
config.register(TimelineEntityWriter.class);
config.register(TimelineDomainReader.class);
config.register(TimelinePutResponseReader.class);
config.register(new JerseyBinder());
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,137 @@
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hadoop.yarn.server.applicationhistoryservice;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;
import org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse;
import org.apache.hadoop.yarn.api.records.timeline.reader.TimelineEntityReader;
import org.apache.hadoop.yarn.client.api.TimelineClient;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.server.timeline.MemoryTimelineStore;
import org.apache.hadoop.yarn.server.timeline.TimelineStore;
import org.apache.hadoop.yarn.webapp.YarnJacksonJaxbJsonProvider;
import org.codehaus.jettison.json.JSONObject;
import org.glassfish.jersey.client.ClientConfig;
import org.glassfish.jersey.jettison.JettisonFeature;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.io.IOException;

import static org.apache.hadoop.yarn.conf.YarnConfiguration.TIMELINE_HTTP_AUTH_PREFIX;
import static org.junit.jupiter.api.Assertions.*;

public class TestTimelineServerWithTezRequests {
private static final Logger LOG = LoggerFactory.getLogger(TestTimelineServerWithTezRequests.class);

private static final String BASEDIR =
System.getProperty("test.build.dir", "target/test-dir") + "/"
+ TestTimelineServerWithTezRequests.class.getSimpleName();
private static final String TIMELINE_SERVICE_WEBAPP_ADDRESS = "localhost:8188";
private static final String TEZ_ENTITY_TYPE = "TEZ_APPLICATION";
private static final String TEZ_ENTITY_ID = "tez_application_1_2";
private static ApplicationHistoryServer testTimelineServer;
private static Configuration conf;

@BeforeAll
public static void setup() {
try {
testTimelineServer = new ApplicationHistoryServer();
conf = new Configuration(false);
conf.setStrings(TIMELINE_HTTP_AUTH_PREFIX + "type", "simple");

conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, true);
conf.setClass(YarnConfiguration.TIMELINE_SERVICE_STORE, MemoryTimelineStore.class, TimelineStore.class);
conf.set(YarnConfiguration.TIMELINE_SERVICE_WEBAPP_ADDRESS, TIMELINE_SERVICE_WEBAPP_ADDRESS);
conf.setInt(YarnConfiguration.TIMELINE_SERVICE_CLIENT_MAX_RETRIES, 1);

testTimelineServer.init(conf);
testTimelineServer.start();
} catch (Exception e) {
LOG.error("Failed to setup TimelineServer", e);
fail("Couldn't setup TimelineServer");
}
}

@AfterAll
public static void tearDown() throws Exception {
if (testTimelineServer != null) {
testTimelineServer.stop();
}
}

@Test
void testPutAndGetTimelineEntity() throws Exception {
putEntity();
getEntity();
}

private void putEntity() throws IOException, YarnException {
try (TimelineClient client = createTimelineClient()) {
TimelineEntity entityToStore = new TimelineEntity();
entityToStore.setEntityType(TEZ_ENTITY_TYPE);
entityToStore.setEntityId(TEZ_ENTITY_ID);
entityToStore.setStartTime(System.currentTimeMillis());
TimelinePutResponse putResponse = client.putEntities(entityToStore);
if (!putResponse.getErrors().isEmpty()) {
LOG.error("putResponse errors: {}", putResponse.getErrors());
}
assertTrue(putResponse.getErrors().isEmpty(), "There were some errors in the putResponse");
TimelineEntity entityToRead =
testTimelineServer.getTimelineStore().getEntity(TEZ_ENTITY_ID, TEZ_ENTITY_TYPE, null);
assertNotNull(entityToRead, "Timeline entity should not be null");
}
}

private TimelineClient createTimelineClient() {
TimelineClient client = TimelineClient.createTimelineClient();
client.init(conf);
client.start();
return client;
}

private void getEntity() {
String appUrl = "http://" + TIMELINE_SERVICE_WEBAPP_ADDRESS + "/ws/v1/timeline/"
+ TEZ_ENTITY_TYPE + "/" + TEZ_ENTITY_ID + "?user.name=foo";
LOG.info("Getting timeline entity for tez application: " + appUrl);

ClientConfig cfg = new ClientConfig();
cfg.register(new JettisonFeature()).register(YarnJacksonJaxbJsonProvider.class);
Client client = ClientBuilder.newClient(cfg);
client.register(TimelineEntityReader.class);
WebTarget target = client.target(appUrl);

Response response = target.request(MediaType.APPLICATION_JSON).get(Response.class);
assertEquals(200, response.getStatus());
assertTrue(MediaType.APPLICATION_JSON_TYPE.isCompatible(response.getMediaType()));

JSONObject entityStr = response.readEntity(JSONObject.class);
LOG.info("Got entity from ATS: {}", entityStr);
}
}