netconf/tools/netconf-testtool/src/main/java/org/opendaylight/netconf/test/tool/ScaleUtil.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.netconf.test.tool;
  10
  11 import ch.qos.logback.classic.Level;
  12 import com.google.common.base.Stopwatch;
  13 import com.google.common.io.CharStreams;
  14 import com.ning.http.client.AsyncHttpClient;
  15 import com.ning.http.client.AsyncHttpClientConfig.Builder;
  16 import com.ning.http.client.Request;
  17 import com.ning.http.client.Response;
  18 import java.io.BufferedReader;
  19 import java.io.File;
  20 import java.io.IOException;
  21 import java.io.InputStreamReader;
  22 import java.net.ConnectException;
  23 import java.util.List;
  24 import java.util.concurrent.Callable;
  25 import java.util.concurrent.ExecutionException;
  26 import java.util.concurrent.ScheduledExecutorService;
  27 import java.util.concurrent.ScheduledFuture;
  28 import java.util.concurrent.ScheduledThreadPoolExecutor;
  29 import java.util.concurrent.Semaphore;
  30 import java.util.concurrent.TimeUnit;
  31 import java.util.regex.Matcher;
  32 import java.util.regex.Pattern;
  33 import net.sourceforge.argparse4j.inf.ArgumentParser;
  34 import net.sourceforge.argparse4j.inf.ArgumentParserException;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 public class ScaleUtil {
  39     private static Logger RESULTS_LOG ;
  40     private static final ScheduledExecutorService executor = new LoggingWrapperExecutor(4);
  41
  42     private static final int deviceStep = 1000;
  43     private static final long retryDelay = 10l;
  44     private static final long timeout = 20l;
  45
  46     private static final Stopwatch stopwatch = Stopwatch.createUnstarted();
  47
  48     private static ScheduledFuture timeoutGuardFuture;
  49     private static ch.qos.logback.classic.Logger root;
  50     private static final Semaphore semaphore = new Semaphore(0);
  51
  52     public static void main(final String[] args) {
  53         final TesttoolParameters params = TesttoolParameters.parseArgs(args, TesttoolParameters.getParser());
  54
  55         setUpLoggers(params);
  56
  57         // cleanup at the start in case controller was already running
  58         final Runtime runtime = Runtime.getRuntime();
  59         cleanup(runtime, params);
  60
  61         while (true) {
  62             root.warn("Starting scale test with {} devices", params.deviceCount);
  63             timeoutGuardFuture = executor.schedule(new TimeoutGuard(), timeout, TimeUnit.MINUTES);
  64             final NetconfDeviceSimulator netconfDeviceSimulator = new NetconfDeviceSimulator(params.threadAmount);
  65             try {
  66                 final List<Integer> openDevices = netconfDeviceSimulator.start(params);
  67                 if (openDevices.size() == 0) {
  68                     root.error("Failed to start any simulated devices, exiting...");
  69                     System.exit(1);
  70                 }
  71                 if (params.distroFolder != null) {
  72                     final Main.ConfigGenerator configGenerator = new Main.ConfigGenerator(params.distroFolder, openDevices);
  73                     final List<File> generated = configGenerator.generate(
  74                             params.ssh, params.generateConfigBatchSize,
  75                             params.generateConfigsTimeout, params.generateConfigsAddress,
  76                             params.devicesPerPort);
  77                     configGenerator.updateFeatureFile(generated);
  78                     configGenerator.changeLoadOrder();
  79                 }
  80             } catch (final Exception e) {
  81                 root.error("Unhandled exception", e);
  82                 netconfDeviceSimulator.close();
  83                 System.exit(1);
  84             }
  85
  86             root.warn(params.distroFolder.getAbsolutePath());
  87             try {
  88                 runtime.exec(params.distroFolder.getAbsolutePath() + "/bin/start");
  89                 String status;
  90                 do {
  91                     final Process exec = runtime.exec(params.distroFolder.getAbsolutePath() + "/bin/status");
  92                     try {
  93                         Thread.sleep(2000l);
  94                     } catch (InterruptedException e) {
  95                         root.warn("Failed to sleep", e);
  96                     }
  97                     status = CharStreams.toString(new BufferedReader(new InputStreamReader(exec.getInputStream())));
  98                     root.warn("Current status: {}", status);
  99                 } while (!status.startsWith("Running ..."));
 100                 root.warn("Doing feature install {}", params.distroFolder.getAbsolutePath() + "/bin/client -u karaf feature:install odl-restconf-noauth odl-netconf-connector-all");
 101                 final Process featureInstall = runtime.exec(params.distroFolder.getAbsolutePath() + "/bin/client -u karaf feature:install odl-restconf-noauth odl-netconf-connector-all");
 102                 root.warn(CharStreams.toString(new BufferedReader(new InputStreamReader(featureInstall.getInputStream()))));
 103                 root.warn(CharStreams.toString(new BufferedReader(new InputStreamReader(featureInstall.getErrorStream()))));
 104
 105             } catch (IOException e) {
 106                 root.warn("Failed to start karaf", e);
 107                 System.exit(1);
 108             }
 109
 110             root.warn("Karaf started, starting stopwatch");
 111             stopwatch.start();
 112
 113             try {
 114                 executor.schedule(new ScaleVerifyCallable(netconfDeviceSimulator, params.deviceCount), retryDelay, TimeUnit.SECONDS);
 115                 root.warn("First callable scheduled");
 116                 semaphore.acquire();
 117                 root.warn("semaphore released");
 118             } catch (InterruptedException e) {
 119                 throw new RuntimeException(e);
 120             }
 121
 122             timeoutGuardFuture.cancel(false);
 123             params.deviceCount += deviceStep;
 124             netconfDeviceSimulator.close();
 125             stopwatch.reset();
 126
 127             cleanup(runtime, params);
 128         }
 129     }
 130
 131     private static void setUpLoggers(final TesttoolParameters params) {
 132         System.setProperty("log_file_name", "scale-util.log");
 133
 134         root = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
 135         root.setLevel(params.debug ? Level.DEBUG : Level.INFO);
 136         RESULTS_LOG = LoggerFactory.getLogger("results");
 137     }
 138
 139     private static void cleanup(final Runtime runtime, final TesttoolParameters params) {
 140         try {
 141             stopKaraf(runtime, params);
 142             deleteFolder(new File(params.distroFolder.getAbsoluteFile() + "/data"));
 143
 144         } catch (IOException | InterruptedException e) {
 145             root.warn("Failed to stop karaf", e);
 146             System.exit(1);
 147         }
 148     }
 149
 150     private static void stopKaraf(final Runtime runtime, final TesttoolParameters params) throws IOException, InterruptedException {
 151         root.info("Stopping karaf and sleeping for 10 sec..");
 152         String controllerPid = "";
 153         do {
 154
 155             final Process pgrep = runtime.exec("pgrep -f org.apache.karaf.main.Main");
 156
 157             controllerPid = CharStreams.toString(new BufferedReader(new InputStreamReader(pgrep.getInputStream())));
 158             root.warn(controllerPid);
 159             runtime.exec("kill -9 " + controllerPid);
 160
 161             Thread.sleep(10000l);
 162         } while (!controllerPid.isEmpty());
 163         deleteFolder(new File(params.distroFolder.getAbsoluteFile() + "/data"));
 164     }
 165
 166     private static void deleteFolder(File folder) {
 167         File[] files = folder.listFiles();
 168         if(files!=null) { //some JVMs return null for empty dirs
 169             for(File f: files) {
 170                 if(f.isDirectory()) {
 171                     deleteFolder(f);
 172                 } else {
 173                     f.delete();
 174                 }
 175             }
 176         }
 177         folder.delete();
 178     }
 179
 180     private static TesttoolParameters parseArgs(final String[] args, final ArgumentParser parser) {
 181         final TesttoolParameters parameters = new TesttoolParameters();
 182         try {
 183             parser.parseArgs(args, parameters);
 184             return parameters;
 185         } catch (ArgumentParserException e) {
 186             parser.handleError(e);
 187         }
 188
 189         System.exit(1);
 190         return null;
 191     }
 192
 193     private static class ScaleVerifyCallable implements Callable {
 194
 195         private static final Logger LOG = LoggerFactory.getLogger(ScaleVerifyCallable.class);
 196
 197         private static final String RESTCONF_URL = "http://127.0.0.1:8181/restconf/operational/network-topology:network-topology/topology/topology-netconf/";
 198         private static final Pattern PATTERN = Pattern.compile("connected");
 199
 200         private final AsyncHttpClient asyncHttpClient = new AsyncHttpClient(new Builder()
 201                 .setConnectTimeout(Integer.MAX_VALUE)
 202                 .setRequestTimeout(Integer.MAX_VALUE)
 203                 .setAllowPoolingConnections(true)
 204                 .build());
 205         private final NetconfDeviceSimulator simulator;
 206         private final int deviceCount;
 207         private final Request request;
 208
 209         public ScaleVerifyCallable(final NetconfDeviceSimulator simulator, final int deviceCount) {
 210             LOG.info("New callable created");
 211             this.simulator = simulator;
 212             this.deviceCount = deviceCount;
 213             AsyncHttpClient.BoundRequestBuilder requestBuilder = asyncHttpClient.prepareGet(RESTCONF_URL)
 214                     .addHeader("content-type", "application/xml")
 215                     .addHeader("Accept", "application/xml")
 216                     .setRequestTimeout(Integer.MAX_VALUE);
 217             request = requestBuilder.build();
 218         }
 219
 220         @Override
 221         public Object call() throws Exception {
 222             try {
 223                 final Response response = asyncHttpClient.executeRequest(request).get();
 224
 225                 if (response.getStatusCode() != 200 && response.getStatusCode() != 204) {
 226                     LOG.warn("Request failed, status code: {}", response.getStatusCode() + response.getStatusText());
 227                     executor.schedule(new ScaleVerifyCallable(simulator, deviceCount), retryDelay, TimeUnit.SECONDS);
 228                 } else {
 229                     final String body = response.getResponseBody();
 230                     final Matcher matcher = PATTERN.matcher(body);
 231                     int count = 0;
 232                     while (matcher.find()) {
 233                         count++;
 234                     }
 235                     RESULTS_LOG.info("Currently connected devices : {} out of {}, time elapsed: {}", count, deviceCount + 1, stopwatch);
 236                     if (count != deviceCount + 1) {
 237                         executor.schedule(new ScaleVerifyCallable(simulator, deviceCount), retryDelay, TimeUnit.SECONDS);
 238                     } else {
 239                         stopwatch.stop();
 240                         RESULTS_LOG.info("All devices connected in {}", stopwatch);
 241                         semaphore.release();
 242                     }
 243                 }
 244             } catch (ConnectException | ExecutionException e) {
 245                 LOG.warn("Failed to connect to Restconf, is the controller running?", e);
 246                 executor.schedule(new ScaleVerifyCallable(simulator, deviceCount), retryDelay, TimeUnit.SECONDS);
 247             }
 248             return null;
 249         }
 250     }
 251
 252     private static class TimeoutGuard implements Callable {
 253
 254         @Override
 255         public Object call() throws Exception {
 256             RESULTS_LOG.warn("Timeout for scale test reached after: {} ..aborting", stopwatch);
 257             root.warn("Timeout for scale test reached after: {} ..aborting", stopwatch);
 258             System.exit(0);
 259             return null;
 260         }
 261     }
 262
 263     public static class LoggingWrapperExecutor extends ScheduledThreadPoolExecutor {
 264
 265         public LoggingWrapperExecutor(int corePoolSize) {
 266             super(corePoolSize);
 267         }
 268
 269         @Override
 270         public <V> ScheduledFuture<V> schedule(Callable<V> callable, long delay, TimeUnit unit) {
 271             return super.schedule(wrapCallable(callable), delay, unit);
 272         }
 273
 274         private Callable wrapCallable(Callable callable) {
 275             return new LogOnExceptionCallable(callable);
 276         }
 277
 278         private class LogOnExceptionCallable implements Callable {
 279             private Callable theCallable;
 280
 281             public LogOnExceptionCallable(Callable theCallable) {
 282                 super();
 283                 this.theCallable = theCallable;
 284             }
 285
 286             @Override
 287             public Object call() throws Exception {
 288                 try {
 289                     theCallable.call();
 290                     return null;
 291                 } catch (Exception e) {
 292                     // log
 293                     root.warn("error in executing: " + theCallable + ". It will no longer be run!", e);
 294
 295                     // rethrow so that the executor can do it's thing
 296                     throw new RuntimeException(e);
 297                 }
 298             }
 299         }
 300     }
 301 }