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