com.cloudera.llama.nm.TestLlamaNMAuxiliaryService.java Source code

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Here is the source code for com.cloudera.llama.nm.TestLlamaNMAuxiliaryService.java

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/**
 * 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 com.cloudera.llama.nm;

import com.cloudera.llama.server.TypeUtils;
import com.cloudera.llama.thrift.LlamaNMService;
import com.cloudera.llama.thrift.TLlamaNMUnregisterRequest;
import com.cloudera.llama.thrift.TLlamaNMUnregisterResponse;
import com.cloudera.llama.thrift.TLlamaNMRegisterRequest;
import com.cloudera.llama.thrift.TLlamaNMRegisterResponse;
import com.cloudera.llama.thrift.TLlamaServiceVersion;
import com.cloudera.llama.thrift.TNetworkAddress;
import com.cloudera.llama.thrift.TStatusCode;
import com.cloudera.llama.thrift.TUniqueId;
import com.cloudera.llama.util.UUID;
import junit.framework.Assert;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.authorize.ProxyUsers;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.MiniYARNCluster;
import org.apache.hadoop.yarn.server.api.AuxiliaryService;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TProtocol;
import org.apache.thrift.transport.TSocket;
import org.apache.thrift.transport.TTransport;
import org.junit.Test;

import javax.security.auth.Subject;
import java.security.PrivilegedExceptionAction;

public class TestLlamaNMAuxiliaryService {

    public static class MyLlamaNMAuxiliaryService extends LlamaNMAuxiliaryService {
        static String host;
        static int port;

        @Override
        public void start() {
            super.start();
            LlamaNMServer server = getNMServer();
            host = server.getAddressHost();
            port = server.getAddressPort();
        }
    }

    protected NMServerConfiguration sConf = new NMServerConfiguration();
    private static MiniYARNCluster miniYarn;

    protected void injectLlamaNMConfiguration(Configuration conf) throws Exception {
        conf.set(sConf.getPropertyName(NMServerConfiguration.SERVER_ADDRESS_KEY), "localhost:0");
    }

    private Configuration createMiniYarnConfig() throws Exception {
        Configuration conf = new YarnConfiguration();
        conf.set("yarn.nodemanager.aux-services", "llama_nm_plugin");
        conf.setClass("yarn.nodemanager.aux-services.llama_nm_plugin.class", MyLlamaNMAuxiliaryService.class,
                AuxiliaryService.class);

        injectLlamaNMConfiguration(conf);
        return conf;
    }

    private void startYarn(Configuration conf) throws Exception {
        miniYarn = new MiniYARNCluster("llama.nm.plugin", 1, 1, 1);
        miniYarn.init(conf);
        miniYarn.start();
        ProxyUsers.refreshSuperUserGroupsConfiguration(conf);
    }

    private void stopYarn() {
        if (miniYarn != null) {
            miniYarn.stop();
            miniYarn = null;
        }
    }

    protected LlamaNMService.Client createClient() throws Exception {
        TTransport transport = new TSocket(MyLlamaNMAuxiliaryService.host, MyLlamaNMAuxiliaryService.port);
        transport.open();
        TProtocol protocol = new TBinaryProtocol(transport);
        return new LlamaNMService.Client(protocol);
    }

    protected Subject getClientSubject() throws Exception {
        return new Subject();
    }

    @Test
    public void testStartRegisterUnregisterStop() throws Exception {
        try {
            startYarn(createMiniYarnConfig());

            Subject.doAs(getClientSubject(), new PrivilegedExceptionAction<Object>() {
                @Override
                public Object run() throws Exception {
                    LlamaNMService.Client client = createClient();

                    TLlamaNMRegisterRequest trReq = new TLlamaNMRegisterRequest();
                    trReq.setVersion(TLlamaServiceVersion.V1);
                    trReq.setClient_id(TypeUtils.toTUniqueId(UUID.randomUUID()));
                    TNetworkAddress tAddress = new TNetworkAddress();
                    tAddress.setHostname("localhost");
                    tAddress.setPort(0);
                    trReq.setNotification_callback_service(tAddress);

                    //register
                    TLlamaNMRegisterResponse trRes = client.Register(trReq);
                    Assert.assertEquals(TStatusCode.OK, trRes.getStatus().getStatus_code());
                    Assert.assertNotNull(trRes.getNm_handle());
                    Assert.assertNotNull(TypeUtils.toUUID(trRes.getNm_handle()));
                    TUniqueId handle = trRes.getNm_handle();

                    //valid re-register
                    trRes = client.Register(trReq);
                    Assert.assertEquals(TStatusCode.OK, trRes.getStatus().getStatus_code());
                    Assert.assertNotNull(trRes.getNm_handle());
                    Assert.assertNotNull(TypeUtils.toUUID(trRes.getNm_handle()));

                    //invalid re-register different address
                    tAddress.setPort(1);
                    trRes = client.Register(trReq);
                    Assert.assertEquals(TStatusCode.REQUEST_ERROR, trRes.getStatus().getStatus_code());

                    TLlamaNMUnregisterRequest turReq = new TLlamaNMUnregisterRequest();
                    turReq.setVersion(TLlamaServiceVersion.V1);
                    turReq.setNm_handle(handle);

                    //valid unRegister
                    TLlamaNMUnregisterResponse turRes = client.Unregister(turReq);
                    Assert.assertEquals(TStatusCode.OK, turRes.getStatus().getStatus_code());

                    //valid re-unRegister
                    turRes = client.Unregister(turReq);
                    Assert.assertEquals(TStatusCode.OK, turRes.getStatus().getStatus_code());

                    return null;
                }
            });

        } finally {
            stopYarn();
        }
    }

}