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.opendaylight.netconf.test.tool.config.Configuration;
  36 import org.opendaylight.netconf.test.tool.config.ConfigurationBuilder;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 public final class ScaleUtil {
  41     private static final ScheduledExecutorService EXECUTOR = new LoggingWrapperExecutor(4);
  42     private static final Semaphore SEMAPHORE = new Semaphore(0);
  43     private static final Stopwatch STOPWATCH = Stopwatch.createUnstarted();
  44
  45     private static final long TIMEOUT = 20L;
  46     private static final long RETRY_DELAY = 10L;
  47     private static final int DEVICE_STEP = 1000;
  48
  49     private static ch.qos.logback.classic.Logger root;
  50     private static Logger resultsLog;
  51
  52     private ScaleUtil() {
  53     }
  54
  55     @SuppressWarnings("checkstyle:illegalCatch")
  56     public static void main(final String[] args) {
  57         final TesttoolParameters params = TesttoolParameters.parseArgs(args, TesttoolParameters.getParser());
  58
  59         setUpLoggers(params);
  60
  61         // cleanup at the start in case controller was already running
  62         final Runtime runtime = Runtime.getRuntime();
  63         cleanup(runtime, params);
  64
  65         while (true) {
  66             root.warn("Starting scale test with {} devices", params.deviceCount);
  67             final ScheduledFuture timeoutGuardFuture = EXECUTOR.schedule(new TimeoutGuard(), TIMEOUT, TimeUnit.MINUTES);
  68             final Configuration configuration = new ConfigurationBuilder().from(params).build();
  69             final NetconfDeviceSimulator netconfDeviceSimulator = new NetconfDeviceSimulator(configuration);
  70             try {
  71                 final List<Integer> openDevices = netconfDeviceSimulator.start();
  72                 if (openDevices.size() == 0) {
  73                     root.error("Failed to start any simulated devices, exiting...");
  74                     System.exit(1);
  75                 }
  76                 if (params.distroFolder != null) {
  77                     final Main.ConfigGenerator configGenerator = new Main.ConfigGenerator(
  78                         params.distroFolder, openDevices);
  79                     final List<File> generated = configGenerator.generate(
  80                             params.ssh, params.generateConfigBatchSize,
  81                             params.generateConfigsTimeout, params.generateConfigsAddress,
  82                             params.devicesPerPort);
  83                     configGenerator.updateFeatureFile(generated);
  84                     configGenerator.changeLoadOrder();
  85                 }
  86             } catch (final Exception e) {
  87                 root.error("Unhandled exception", e);
  88                 netconfDeviceSimulator.close();
  89                 System.exit(1);
  90             }
  91
  92             root.warn(params.distroFolder.getAbsolutePath());
  93             try {
  94                 runtime.exec(params.distroFolder.getAbsolutePath() + "/bin/start");
  95                 String status;
  96                 do {
  97                     final Process exec = runtime.exec(params.distroFolder.getAbsolutePath() + "/bin/status");
  98                     try {
  99                         Thread.sleep(2000L);
 100                     } catch (InterruptedException e) {
 101                         root.warn("Failed to sleep", e);
 102                     }
 103                     status = CharStreams.toString(new BufferedReader(new InputStreamReader(exec.getInputStream())));
 104                     root.warn("Current status: {}", status);
 105                 } while (!status.startsWith("Running ..."));
 106                 root.warn("Doing feature install {}", params.distroFolder.getAbsolutePath()
 107                     + "/bin/client -u karaf feature:install odl-restconf-noauth odl-netconf-connector-all");
 108                 final Process featureInstall = runtime.exec(params.distroFolder.getAbsolutePath()
 109                     + "/bin/client -u karaf feature:install odl-restconf-noauth odl-netconf-connector-all");
 110                 root.warn(
 111                     CharStreams.toString(new BufferedReader(new InputStreamReader(featureInstall.getInputStream()))));
 112                 root.warn(
 113                     CharStreams.toString(new BufferedReader(new InputStreamReader(featureInstall.getErrorStream()))));
 114
 115             } catch (IOException e) {
 116                 root.warn("Failed to start karaf", e);
 117                 System.exit(1);
 118             }
 119
 120             root.warn("Karaf started, starting stopwatch");
 121             STOPWATCH.start();
 122
 123             try {
 124                 EXECUTOR.schedule(
 125                     new ScaleVerifyCallable(netconfDeviceSimulator, params.deviceCount), RETRY_DELAY, TimeUnit.SECONDS);
 126                 root.warn("First callable scheduled");
 127                 SEMAPHORE.acquire();
 128                 root.warn("semaphore released");
 129             } catch (InterruptedException e) {
 130                 throw new RuntimeException(e);
 131             }
 132
 133             timeoutGuardFuture.cancel(false);
 134             params.deviceCount += DEVICE_STEP;
 135             netconfDeviceSimulator.close();
 136             STOPWATCH.reset();
 137
 138             cleanup(runtime, params);
 139         }
 140     }
 141
 142     private static void setUpLoggers(final TesttoolParameters params) {
 143         System.setProperty("log_file_name", "scale-util.log");
 144
 145         root = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
 146         root.setLevel(params.debug ? Level.DEBUG : Level.INFO);
 147         resultsLog = LoggerFactory.getLogger("results");
 148     }
 149
 150     private static void cleanup(final Runtime runtime, final TesttoolParameters params) {
 151         try {
 152             stopKaraf(runtime, params);
 153             deleteFolder(new File(params.distroFolder.getAbsoluteFile() + "/data"));
 154
 155         } catch (IOException | InterruptedException e) {
 156             root.warn("Failed to stop karaf", e);
 157             System.exit(1);
 158         }
 159     }
 160
 161     private static void stopKaraf(final Runtime runtime, final TesttoolParameters params)
 162             throws IOException, InterruptedException {
 163         root.info("Stopping karaf and sleeping for 10 sec..");
 164         String controllerPid = "";
 165         do {
 166             final Process pgrep = runtime.exec("pgrep -f org.apache.karaf.main.Main");
 167
 168             controllerPid = CharStreams.toString(new BufferedReader(new InputStreamReader(pgrep.getInputStream())));
 169             root.warn(controllerPid);
 170             runtime.exec("kill -9 " + controllerPid);
 171
 172             Thread.sleep(10000L);
 173         } while (!controllerPid.isEmpty());
 174         deleteFolder(new File(params.distroFolder.getAbsoluteFile() + "/data"));
 175     }
 176
 177     private static void deleteFolder(File folder) {
 178         File[] files = folder.listFiles();
 179         if (files != null) { //some JVMs return null for empty dirs
 180             for (File f : files) {
 181                 if (f.isDirectory()) {
 182                     deleteFolder(f);
 183                 } else {
 184                     f.delete();
 185                 }
 186             }
 187         }
 188         folder.delete();
 189     }
 190
 191     private static TesttoolParameters parseArgs(final String[] args, final ArgumentParser parser) {
 192         final TesttoolParameters parameters = new TesttoolParameters();
 193         try {
 194             parser.parseArgs(args, parameters);
 195             return parameters;
 196         } catch (ArgumentParserException e) {
 197             parser.handleError(e);
 198         }
 199
 200         System.exit(1);
 201         return null;
 202     }
 203
 204     private static class ScaleVerifyCallable implements Callable {
 205         private static final Logger LOG = LoggerFactory.getLogger(ScaleVerifyCallable.class);
 206
 207         private static final String RESTCONF_URL
 208                 = "http://127.0.0.1:8181/restconf/operational/network-topology:network-topology/topology/topology-netconf/";
 209         private static final Pattern PATTERN = Pattern.compile("connected");
 210
 211         private final AsyncHttpClient asyncHttpClient = new AsyncHttpClient(new Builder()
 212                 .setConnectTimeout(Integer.MAX_VALUE)
 213                 .setRequestTimeout(Integer.MAX_VALUE)
 214                 .setAllowPoolingConnections(true)
 215                 .build());
 216         private final NetconfDeviceSimulator simulator;
 217         private final int deviceCount;
 218         private final Request request;
 219
 220         ScaleVerifyCallable(final NetconfDeviceSimulator simulator, final int deviceCount) {
 221             LOG.info("New callable created");
 222             this.simulator = simulator;
 223             this.deviceCount = deviceCount;
 224             AsyncHttpClient.BoundRequestBuilder requestBuilder = asyncHttpClient.prepareGet(RESTCONF_URL)
 225                     .addHeader("content-type", "application/xml")
 226                     .addHeader("Accept", "application/xml")
 227                     .setRequestTimeout(Integer.MAX_VALUE);
 228             request = requestBuilder.build();
 229         }
 230
 231         @Override
 232         public Object call() throws Exception {
 233             try {
 234                 final Response response = asyncHttpClient.executeRequest(request).get();
 235
 236                 if (response.getStatusCode() != 200 && response.getStatusCode() != 204) {
 237                     LOG.warn("Request failed, status code: {}", response.getStatusCode() + response.getStatusText());
 238                     EXECUTOR.schedule(new ScaleVerifyCallable(simulator, deviceCount), RETRY_DELAY, TimeUnit.SECONDS);
 239                 } else {
 240                     final String body = response.getResponseBody();
 241                     final Matcher matcher = PATTERN.matcher(body);
 242                     int count = 0;
 243                     while (matcher.find()) {
 244                         count++;
 245                     }
 246                     resultsLog.info("Currently connected devices : {} out of {}, time elapsed: {}",
 247                         count, deviceCount + 1, STOPWATCH);
 248                     if (count != deviceCount + 1) {
 249                         EXECUTOR.schedule(
 250                             new ScaleVerifyCallable(simulator, deviceCount), RETRY_DELAY, TimeUnit.SECONDS);
 251                     } else {
 252                         STOPWATCH.stop();
 253                         resultsLog.info("All devices connected in {}", STOPWATCH);
 254                         SEMAPHORE.release();
 255                     }
 256                 }
 257             } catch (ConnectException | ExecutionException e) {
 258                 LOG.warn("Failed to connect to Restconf, is the controller running?", e);
 259                 EXECUTOR.schedule(new ScaleVerifyCallable(simulator, deviceCount), RETRY_DELAY, TimeUnit.SECONDS);
 260             }
 261             return null;
 262         }
 263     }
 264
 265     private static class TimeoutGuard implements Callable {
 266         @Override
 267         public Object call() throws Exception {
 268             resultsLog.warn("Timeout for scale test reached after: {} ..aborting", STOPWATCH);
 269             root.warn("Timeout for scale test reached after: {} ..aborting", STOPWATCH);
 270             System.exit(0);
 271             return null;
 272         }
 273     }
 274
 275     @SuppressWarnings("checkstyle:illegalCatch")
 276     public static class LoggingWrapperExecutor extends ScheduledThreadPoolExecutor {
 277         public LoggingWrapperExecutor(int corePoolSize) {
 278             super(corePoolSize);
 279         }
 280
 281         @Override
 282         public <V> ScheduledFuture<V> schedule(Callable<V> callable, long delay, TimeUnit unit) {
 283             return super.schedule(wrapCallable(callable), delay, unit);
 284         }
 285
 286         private Callable wrapCallable(Callable callable) {
 287             return new LogOnExceptionCallable(callable);
 288         }
 289
 290         private class LogOnExceptionCallable implements Callable {
 291             private Callable theCallable;
 292
 293             LogOnExceptionCallable(Callable theCallable) {
 294                 this.theCallable = theCallable;
 295             }
 296
 297             @Override
 298             public Object call() throws Exception {
 299                 try {
 300                     theCallable.call();
 301                     return null;
 302                 } catch (Exception e) {
 303                     // log
 304                     root.warn("error in executing: " + theCallable + ". It will no longer be run!", e);
 305
 306                     // rethrow so that the executor can do it's thing
 307                     throw new RuntimeException(e);
 308                 }
 309             }
 310         }
 311     }
 312 }