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docker运行storm及wordcount实例

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code4it
发布2018-09-17 14:52:31
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发布2018-09-17 14:52:31
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文章被收录于专栏:码匠的流水账码匠的流水账

本文简单介绍下怎么使用docker运行storm以及在springboot中使用storm。

docker-compose

代码语言:javascript
复制
version: '2'
services:
    zookeeper:
        image: zookeeper ##3.4.10
        container_name: zookeeper
        restart: always
        ports:
          - 2181:2181

    nimbus:
        image: storm ## 1.1.1
        container_name: nimbus
        command: storm nimbus
        depends_on:
            - zookeeper
        links:
            - zookeeper
        restart: always
        ports:
            - 6627:6627

    supervisor:
        image: storm
        container_name: supervisor
        command: storm supervisor
        depends_on:
            - nimbus
            - zookeeper
        links:
            - nimbus
            - zookeeper
        restart: always
    ui:
        image: storm
        container_name: stormui
        command: storm ui
        depends_on:
          - nimbus
          - zookeeper
        links:
          - nimbus
          - zookeeper
        restart: always
        ports:
          - 8080:8080

启动之后访问192.168.99.100:8080就可以看见storm-ui的界面

wordcount实例

TestWordSpout

代码语言:javascript
复制
public class TestWordSpout extends BaseRichSpout {
    public static Logger LOG = LoggerFactory.getLogger(TestWordSpout.class);
    boolean _isDistributed;
    SpoutOutputCollector _collector;

    public TestWordSpout() {
        this(true);
    }

    public TestWordSpout(boolean isDistributed) {
        _isDistributed = isDistributed;
    }

    public void open(Map conf, TopologyContext context, SpoutOutputCollector collector) {
        _collector = collector;
    }

    public void close() {

    }

    public void nextTuple() {
        Utils.sleep(100);
        final String[] words = new String[] {"nathan", "mike", "jackson", "golda", "bertels"};
        final Random rand = new Random();
        final String word = words[rand.nextInt(words.length)];
        _collector.emit(new Values(word));
    }

    public void ack(Object msgId) {

    }

    public void fail(Object msgId) {

    }

    public void declareOutputFields(OutputFieldsDeclarer declarer) {
        declarer.declare(new Fields("word"));
    }

    @Override
    public Map<String, Object> getComponentConfiguration() {
        if(!_isDistributed) {
            Map<String, Object> ret = new HashMap<String, Object>();
            ret.put(Config.TOPOLOGY_MAX_TASK_PARALLELISM, 1);
            return ret;
        } else {
            return null;
        }
    }    
}

WordCountBolt

代码语言:javascript
复制
public class WordCountBolt extends BaseBasicBolt {

    Map<String, Integer> counts = new HashMap<String, Integer>();

    @Override
    public void execute(Tuple tuple, BasicOutputCollector collector) {
        String word = tuple.getString(0);
        Integer count = counts.get(word);
        if (count == null) count = 0;
        count++;
        counts.put(word, count);
        collector.emit(new Values(word, count));
    }
    @Override
    public void declareOutputFields(OutputFieldsDeclarer declarer) {
        declarer.declare(new Fields("word", "count"));
    }
}

PrintBolt

代码语言:javascript
复制
public class PrintBolt extends BaseBasicBolt {

    @Override
    public void declareOutputFields(OutputFieldsDeclarer declarer) {

    }

    @Override
    public void execute(Tuple tuple, BasicOutputCollector collector) {
        String first = tuple.getString(0);
        int second = tuple.getInteger(1);
        System.out.println(first + "," + second);
    }
}

本地运行

代码语言:javascript
复制
@SpringBootApplication
public class StormDemoApplication implements CommandLineRunner{

    public static void main(String[] args) {
        SpringApplication app = new SpringApplication((StormDemoApplication.class));
        app.setWebEnvironment(false);
        app.run(args);
    }

    @Override
    public void run(String... args) throws Exception {

        TopologyBuilder builder = new TopologyBuilder();
        //并发度10
        builder.setSpout("spout", new TestWordSpout(), 10);
        builder.setBolt("count", new WordCountBolt(), 5).fieldsGrouping("spout", new Fields("word"));
        builder.setBolt("print", new PrintBolt(), 1).shuffleGrouping("count");

        String topologyName = "DemoTopology";
        Config conf = new Config();
        conf.setDebug(true);

        //远程提交 mvn clean package -Dmaven.test.skip=true
//        StormSubmitter.submitTopologyWithProgressBar(topologyName, conf, builder.createTopology());
        try {
            LocalCluster cluster = new LocalCluster();
            cluster.submitTopology(topologyName, conf,builder.createTopology());
            Thread.sleep(60 * 1000);
            cluster.shutdown();
        } catch (Exception e) {
            e.printStackTrace();
        }

    }
}

远程提交

修改提交方式,然后打jar包

代码语言:javascript
复制
        //远程提交 mvn clean package -Dmaven.test.skip=true
        StormSubmitter.submitTopologyWithProgressBar(topologyName, conf, builder.createTopology());

远程提交代码

代码语言:javascript
复制
@Test
    public void remoteSubmit() throws InvalidTopologyException, AuthorizationException, AlreadyAliveException {

        Config conf = new Config();
        conf.put(Config.NIMBUS_SEEDS,Arrays.asList("192.168.99.100")); //配置nimbus连接主机地址,比如:192.168.10.1
        conf.put(Config.NIMBUS_THRIFT_PORT,6627);//配置nimbus连接端口,默认 6627
        conf.put(Config.STORM_ZOOKEEPER_SERVERS, Arrays.asList("192.168.99.100")); //配置zookeeper连接主机地址,可以使用集合存放多个
        conf.put(Config.STORM_ZOOKEEPER_PORT,2181); //配置zookeeper连接端口,默认2181
        conf.setDebug(true);
        conf.setNumWorkers(1);

        TopologyBuilder builder = new TopologyBuilder();
        //并发度10
        builder.setSpout("spout", new TestWordSpout(), 10);
        builder.setBolt("count", new WordCountBolt(), 5).fieldsGrouping("spout", new Fields("word"));
        builder.setBolt("print", new PrintBolt(), 1).shuffleGrouping("count");

        String topologyName = "DemoTopology";

        //storm默认会使用System.getProperty("storm.jar")去取,如果不设定,就不能提交
        System.setProperty("storm.jar","/Users/downloads/storm-demo-0.0.1-SNAPSHOT.jar");
        StormSubmitter.submitTopology(topologyName, conf, builder.createTopology());
    }

clojars仓库问题

修改~/.m2/settings.xml

代码语言:javascript
复制
    <mirrors>
        <mirror>
            <id>nexus-aliyun</id>
            <mirrorOf>*,!Clojars</mirrorOf>
            <name>Nexus aliyun</name>
            <url>http://maven.aliyun.com/nexus/content/groups/public</url>
    </mirror>

    <repository>
           <id>Clojars</id>
           <name>Clojars Repository</name>
           <url>http://clojars.org/repo/</url>
           <releases><enabled>true</enabled></releases>
           <snapshots><enabled>true</enabled></snapshots>
    </repository>

doc

  • storm-docker
  • 用实例理解Storm的Stream概念
  • 通过 IDE 向 Storm 集群远程提交 topology
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原始发表:2017-08-22,如有侵权请联系 cloudcommunity@tencent.com 删除

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目录
  • docker-compose
  • wordcount实例
    • TestWordSpout
      • WordCountBolt
        • PrintBolt
          • 本地运行
            • 远程提交
            • clojars仓库问题
            • doc
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