| /* |
| * 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.hudi.utilities; |
| |
| import org.apache.hudi.client.common.HoodieEngineContext; |
| import org.apache.hudi.client.common.HoodieSparkEngineContext; |
| import org.apache.hudi.common.util.ValidationUtils; |
| |
| import com.beust.jcommander.JCommander; |
| import com.beust.jcommander.Parameter; |
| import io.javalin.Javalin; |
| import org.apache.http.HttpResponse; |
| import org.apache.http.client.methods.HttpGet; |
| import org.apache.http.impl.client.CloseableHttpClient; |
| import org.apache.http.impl.client.HttpClientBuilder; |
| import org.apache.spark.api.java.JavaSparkContext; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.Serializable; |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.stream.IntStream; |
| |
| public class HoodieWithTimelineServer implements Serializable { |
| |
| private final Config cfg; |
| |
| public HoodieWithTimelineServer(Config cfg) { |
| this.cfg = cfg; |
| } |
| |
| public static class Config implements Serializable { |
| |
| @Parameter(names = {"--spark-master", "-ms"}, description = "Spark master") |
| public String sparkMaster = null; |
| @Parameter(names = {"--spark-memory", "-sm"}, description = "spark memory to use", required = true) |
| public String sparkMemory = null; |
| @Parameter(names = {"--num-partitions", "-n"}, description = "Num Partitions") |
| public Integer numPartitions = 100; |
| @Parameter(names = {"--server-port", "-p"}, description = " Server Port") |
| public Integer serverPort = 26754; |
| @Parameter(names = {"--delay-secs", "-d"}, description = "Delay(sec) before client connects") |
| public Integer delaySecs = 30; |
| @Parameter(names = {"--help", "-h"}, help = true) |
| public Boolean help = false; |
| } |
| |
| public void startService() { |
| Javalin app = Javalin.create().start(cfg.serverPort); |
| app.get("/", ctx -> ctx.result("Hello World")); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| final Config cfg = new Config(); |
| JCommander cmd = new JCommander(cfg, null, args); |
| if (cfg.help || args.length == 0) { |
| cmd.usage(); |
| System.exit(1); |
| } |
| |
| HoodieWithTimelineServer service = new HoodieWithTimelineServer(cfg); |
| service.run(UtilHelpers.buildSparkContext("client-server-hoodie", cfg.sparkMaster, cfg.sparkMemory)); |
| } |
| |
| public void run(JavaSparkContext jsc) throws UnknownHostException { |
| startService(); |
| final String driverHost = InetAddress.getLocalHost().getHostAddress(); |
| System.out.println("Driver Hostname is :" + driverHost); |
| List<String> messages = new ArrayList<>(); |
| IntStream.range(0, cfg.numPartitions).forEach(i -> messages.add("Hello World")); |
| |
| HoodieEngineContext context = new HoodieSparkEngineContext(jsc); |
| context.setJobStatus(this.getClass().getSimpleName(), "Sending requests to driver host"); |
| List<String> gotMessages = context.map(messages, msg -> sendRequest(driverHost, cfg.serverPort), messages.size()); |
| System.out.println("Got Messages :" + gotMessages); |
| ValidationUtils.checkArgument(gotMessages.equals(messages), "Got expected reply from Server"); |
| } |
| |
| public String sendRequest(String driverHost, int port) { |
| String url = String.format("http://%s:%d/", driverHost, port); |
| try (CloseableHttpClient client = HttpClientBuilder.create().build()) { |
| |
| System.out.println("Sleeping for " + cfg.delaySecs + " secs "); |
| Thread.sleep(cfg.delaySecs * 1000); |
| System.out.println("Woke up after sleeping for " + cfg.delaySecs + " secs "); |
| |
| HttpGet request = new HttpGet(url); |
| |
| HttpResponse response = client.execute(request); |
| |
| System.out.println("Response Code from(" + url + ") : " + response.getStatusLine().getStatusCode()); |
| |
| try (BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent()))) { |
| StringBuilder result = new StringBuilder(); |
| String line; |
| while ((line = rd.readLine()) != null) { |
| result.append(line); |
| } |
| System.out.println("Got result (" + result + ")"); |
| return result.toString(); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } catch (Exception ex) { |
| throw new RuntimeException(ex); |
| } |
| } |
| } |