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