opendaylight/netconf/netconf-testtool/src/main/java/org/opendaylight/controller/netconf/test/tool/Main.java

   1 /*
   2  * Copyright (c) 2014 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.controller.netconf.test.tool;
  10
  11 import static com.google.common.base.Preconditions.checkArgument;
  12 import static com.google.common.base.Preconditions.checkNotNull;
  13 import static com.google.common.base.Preconditions.checkState;
  14
  15 import ch.qos.logback.classic.Level;
  16 import com.google.common.base.Charsets;
  17 import com.google.common.base.Preconditions;
  18 import com.google.common.collect.Lists;
  19 import com.google.common.io.ByteStreams;
  20 import com.google.common.io.CharStreams;
  21 import com.google.common.io.Files;
  22 import java.io.File;
  23 import java.io.FileFilter;
  24 import java.io.IOException;
  25 import java.io.InputStream;
  26 import java.io.InputStreamReader;
  27 import java.util.Collections;
  28 import java.util.Comparator;
  29 import java.util.List;
  30 import java.util.concurrent.TimeUnit;
  31 import net.sourceforge.argparse4j.ArgumentParsers;
  32 import net.sourceforge.argparse4j.annotation.Arg;
  33 import net.sourceforge.argparse4j.inf.ArgumentParser;
  34 import net.sourceforge.argparse4j.inf.ArgumentParserException;
  35 import org.opendaylight.controller.netconf.util.xml.XmlElement;
  36 import org.opendaylight.controller.netconf.util.xml.XmlUtil;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39 import org.w3c.dom.Document;
  40 import org.w3c.dom.Element;
  41 import org.w3c.dom.Node;
  42 import org.w3c.dom.NodeList;
  43 import org.xml.sax.SAXException;
  44
  45 public final class Main {
  46
  47     private static final Logger LOG = LoggerFactory.getLogger(Main.class);
  48
  49     public static class Params {
  50
  51         @Arg(dest = "schemas-dir")
  52         public File schemasDir;
  53
  54         @Arg(dest = "devices-count")
  55         public int deviceCount;
  56
  57         @Arg(dest = "starting-port")
  58         public int startingPort;
  59
  60         @Arg(dest = "generate-config-connection-timeout")
  61         public int generateConfigsTimeout;
  62
  63         @Arg(dest = "generate-config-address")
  64         public String generateConfigsAddress;
  65
  66         @Arg(dest = "distro-folder")
  67         public File distroFolder;
  68
  69         @Arg(dest = "generate-configs-batch-size")
  70         public int generateConfigBatchSize;
  71
  72         @Arg(dest = "ssh")
  73         public boolean ssh;
  74
  75         @Arg(dest = "exi")
  76         public boolean exi;
  77
  78         @Arg(dest = "debug")
  79         public boolean debug;
  80
  81         static ArgumentParser getParser() {
  82             final ArgumentParser parser = ArgumentParsers.newArgumentParser("netconf testool");
  83
  84             parser.description("Netconf device simulator. Detailed info can be found at https://wiki.opendaylight.org/view/OpenDaylight_Controller:Netconf:Testtool#Building_testtool");
  85
  86             parser.addArgument("--device-count")
  87                     .type(Integer.class)
  88                     .setDefault(1)
  89                     .type(Integer.class)
  90                     .help("Number of simulated netconf devices to spin")
  91                     .dest("devices-count");
  92
  93             parser.addArgument("--schemas-dir")
  94                     .type(File.class)
  95                     .help("Directory containing yang schemas to describe simulated devices. Some schemas e.g. netconf monitoring and inet types are included by default")
  96                     .dest("schemas-dir");
  97
  98             parser.addArgument("--starting-port")
  99                     .type(Integer.class)
 100                     .setDefault(17830)
 101                     .help("First port for simulated device. Each other device will have previous+1 port number")
 102                     .dest("starting-port");
 103
 104             parser.addArgument("--generate-config-connection-timeout")
 105                     .type(Integer.class)
 106                     .setDefault((int)TimeUnit.MINUTES.toMillis(30))
 107                     .help("Timeout to be generated in initial config files")
 108                     .dest("generate-config-connection-timeout");
 109
 110             parser.addArgument("--generate-config-address")
 111                     .type(String.class)
 112                     .setDefault("127.0.0.1")
 113                     .help("Address to be placed in generated configs")
 114                     .dest("generate-config-address");
 115
 116             parser.addArgument("--generate-configs-batch-size")
 117                     .type(Integer.class)
 118                     .setDefault(4000)
 119                     .help("Number of connector configs per generated file")
 120                     .dest("generate-configs-batch-size");
 121
 122             parser.addArgument("--distribution-folder")
 123                     .type(File.class)
 124                     .help("Directory where the karaf distribution for controller is located")
 125                     .dest("distro-folder");
 126
 127             parser.addArgument("--ssh")
 128                     .type(Boolean.class)
 129                     .setDefault(true)
 130                     .help("Whether to use ssh for transport or just pure tcp")
 131                     .dest("ssh");
 132
 133             parser.addArgument("--exi")
 134                     .type(Boolean.class)
 135                     .setDefault(true)
 136                     .help("Whether to use exi to transport xml content")
 137                     .dest("exi");
 138
 139             parser.addArgument("--debug")
 140                     .type(Boolean.class)
 141                     .setDefault(false)
 142                     .help("Whether to use debug log level instead of INFO")
 143                     .dest("debug");
 144
 145             return parser;
 146         }
 147
 148         void validate() {
 149             checkArgument(deviceCount > 0, "Device count has to be > 0");
 150             checkArgument(startingPort > 1023, "Starting port has to be > 1023");
 151
 152             if(schemasDir != null) {
 153                 checkArgument(schemasDir.exists(), "Schemas dir has to exist");
 154                 checkArgument(schemasDir.isDirectory(), "Schemas dir has to be a directory");
 155                 checkArgument(schemasDir.canRead(), "Schemas dir has to be readable");
 156             }
 157         }
 158     }
 159
 160     public static void main(final String[] args) {
 161         final Params params = parseArgs(args, Params.getParser());
 162         params.validate();
 163
 164         final ch.qos.logback.classic.Logger root = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
 165         root.setLevel(params.debug ? Level.DEBUG : Level.INFO);
 166
 167         final NetconfDeviceSimulator netconfDeviceSimulator = new NetconfDeviceSimulator();
 168         try {
 169             final List<Integer> openDevices = netconfDeviceSimulator.start(params);
 170             if (openDevices.size() == 0) {
 171                 LOG.error("Failed to start any simulated devices, exiting...");
 172                 System.exit(1);
 173             }
 174             if(params.distroFolder != null) {
 175                 final ConfigGenerator configGenerator = new ConfigGenerator(params.distroFolder, openDevices);
 176                 final List<File> generated = configGenerator.generate(params.ssh, params.generateConfigBatchSize, params.generateConfigsTimeout, params.generateConfigsAddress);
 177                 configGenerator.updateFeatureFile(generated);
 178                 configGenerator.changeLoadOrder();
 179             }
 180         } catch (final Exception e) {
 181             LOG.error("Unhandled exception", e);
 182             netconfDeviceSimulator.close();
 183             System.exit(1);
 184         }
 185
 186         // Block main thread
 187         synchronized (netconfDeviceSimulator) {
 188             try {
 189                 netconfDeviceSimulator.wait();
 190             } catch (final InterruptedException e) {
 191                 throw new RuntimeException(e);
 192             }
 193         }
 194     }
 195
 196     private static Params parseArgs(final String[] args, final ArgumentParser parser) {
 197         final Params opt = new Params();
 198         try {
 199             parser.parseArgs(args, opt);
 200             return opt;
 201         } catch (final ArgumentParserException e) {
 202             parser.handleError(e);
 203         }
 204
 205         System.exit(1);
 206         return null;
 207     }
 208
 209     private static class ConfigGenerator {
 210         public static final String NETCONF_CONNECTOR_XML = "/initial/99-netconf-connector.xml";
 211         public static final String NETCONF_CONNECTOR_NAME = "controller-config";
 212         public static final String NETCONF_CONNECTOR_PORT = "1830";
 213         public static final String NETCONF_CONNECTOR_ADDRESS = "127.0.0.1";
 214         public static final String NETCONF_USE_SSH = "false";
 215         public static final String SIM_DEVICE_SUFFIX = "-sim-device";
 216
 217         private static final String SIM_DEVICE_CFG_PREFIX = "simulated-devices_";
 218         private static final String ETC_KARAF_PATH = "etc/";
 219         private static final String ETC_OPENDAYLIGHT_KARAF_PATH = ETC_KARAF_PATH + "opendaylight/karaf/";
 220
 221         public static final String NETCONF_CONNECTOR_ALL_FEATURE = "odl-netconf-connector-all";
 222         private static final String ORG_OPS4J_PAX_URL_MVN_CFG = "org.ops4j.pax.url.mvn.cfg";
 223
 224         private final File configDir;
 225         private final List<Integer> openDevices;
 226         private final List<File> ncFeatureFiles;
 227         private final File etcDir;
 228         private final File loadOrderCfgFile;
 229
 230         public ConfigGenerator(final File directory, final List<Integer> openDevices) {
 231             this.configDir = new File(directory, ETC_OPENDAYLIGHT_KARAF_PATH);
 232             this.etcDir = new File(directory, ETC_KARAF_PATH);
 233             this.loadOrderCfgFile = new File(etcDir, ORG_OPS4J_PAX_URL_MVN_CFG);
 234             this.ncFeatureFiles = getFeatureFile(directory, "features-netconf-connector", "xml");
 235             this.openDevices = openDevices;
 236         }
 237
 238         public List<File> generate(final boolean useSsh, final int batchSize, final int generateConfigsTimeout, final String address) {
 239             if(configDir.exists() == false) {
 240                 Preconditions.checkState(configDir.mkdirs(), "Unable to create directory " + configDir);
 241             }
 242
 243             for (final File file : configDir.listFiles(new FileFilter() {
 244                 @Override
 245                 public boolean accept(final File pathname) {
 246                     return !pathname.isDirectory() && pathname.getName().startsWith(SIM_DEVICE_CFG_PREFIX);
 247                 }
 248             })) {
 249                 Preconditions.checkState(file.delete(), "Unable to clean previous generated file %s", file);
 250             }
 251
 252             try(InputStream stream = Main.class.getResourceAsStream(NETCONF_CONNECTOR_XML)) {
 253                 checkNotNull(stream, "Cannot load %s", NETCONF_CONNECTOR_XML);
 254                 String configBlueprint = CharStreams.toString(new InputStreamReader(stream, Charsets.UTF_8));
 255
 256                 checkState(configBlueprint.contains(NETCONF_CONNECTOR_NAME));
 257                 checkState(configBlueprint.contains(NETCONF_CONNECTOR_PORT));
 258                 checkState(configBlueprint.contains(NETCONF_USE_SSH));
 259                 checkState(configBlueprint.contains(NETCONF_CONNECTOR_ADDRESS));
 260                 configBlueprint = configBlueprint.replace(NETCONF_CONNECTOR_NAME, "%s");
 261                 configBlueprint = configBlueprint.replace(NETCONF_CONNECTOR_ADDRESS, "%s");
 262                 configBlueprint = configBlueprint.replace(NETCONF_CONNECTOR_PORT, "%s");
 263                 configBlueprint = configBlueprint.replace(NETCONF_USE_SSH, "%s");
 264
 265                 final String before = configBlueprint.substring(0, configBlueprint.indexOf("<module>"));
 266                 final String middleBlueprint = configBlueprint.substring(configBlueprint.indexOf("<module>"), configBlueprint.indexOf("</module>"));
 267                 final String after = configBlueprint.substring(configBlueprint.indexOf("</module>") + "</module>".length());
 268
 269                 int connectorCount = 0;
 270                 Integer batchStart = null;
 271                 StringBuilder b = new StringBuilder();
 272                 b.append(before);
 273
 274                 final List<File> generatedConfigs = Lists.newArrayList();
 275
 276                 for (final Integer openDevice : openDevices) {
 277                     if(batchStart == null) {
 278                         batchStart = openDevice;
 279                     }
 280
 281                     final String name = String.valueOf(openDevice) + SIM_DEVICE_SUFFIX;
 282                     String configContent = String.format(middleBlueprint, name, address, String.valueOf(openDevice), String.valueOf(!useSsh));
 283                     configContent = String.format("%s%s%d%s\n%s\n", configContent, "<connection-timeout-millis>", generateConfigsTimeout, "</connection-timeout-millis>", "</module>");
 284
 285                     b.append(configContent);
 286                     connectorCount++;
 287                     if(connectorCount == batchSize) {
 288                         b.append(after);
 289                         final File to = new File(configDir, String.format(SIM_DEVICE_CFG_PREFIX + "%d-%d.xml", batchStart, openDevice));
 290                         generatedConfigs.add(to);
 291                         Files.write(b.toString(), to, Charsets.UTF_8);
 292                         connectorCount = 0;
 293                         b = new StringBuilder();
 294                         b.append(before);
 295                         batchStart = null;
 296                     }
 297                 }
 298
 299                 // Write remaining
 300                 if(connectorCount != 0) {
 301                     b.append(after);
 302                     final File to = new File(configDir, String.format(SIM_DEVICE_CFG_PREFIX + "%d-%d.xml", batchStart, openDevices.get(openDevices.size() - 1)));
 303                     generatedConfigs.add(to);
 304                     Files.write(b.toString(), to, Charsets.UTF_8);
 305                 }
 306
 307                 LOG.info("Config files generated in {}", configDir);
 308                 return generatedConfigs;
 309             } catch (final IOException e) {
 310                 throw new RuntimeException("Unable to generate config files", e);
 311             }
 312         }
 313
 314
 315         public void updateFeatureFile(final List<File> generated) {
 316             // TODO karaf core contains jaxb for feature files, use that for
 317             // modification
 318             try {
 319                 for (final File featureFile : ncFeatureFiles) {
 320                     final Document document = XmlUtil.readXmlToDocument(Files
 321                             .toString(featureFile, Charsets.UTF_8));
 322                     final NodeList childNodes = document.getDocumentElement().getChildNodes();
 323
 324                     for (int i = 0; i < childNodes.getLength(); i++) {
 325                         final Node item = childNodes.item(i);
 326                         if (item instanceof Element == false) {
 327                             continue;
 328                         }
 329                         if (item.getLocalName().equals("feature") == false) {
 330                             continue;
 331                         }
 332
 333                         if (NETCONF_CONNECTOR_ALL_FEATURE
 334                                 .equals(((Element) item).getAttribute("name"))) {
 335                             final Element ncAllFeatureDefinition = (Element) item;
 336                             // Clean previous generated files
 337                             for (final XmlElement configfile : XmlElement
 338                                     .fromDomElement(ncAllFeatureDefinition)
 339                                     .getChildElements("configfile")) {
 340                                 ncAllFeatureDefinition.removeChild(configfile.getDomElement());
 341                             }
 342                             for (final File file : generated) {
 343                                 final Element configfile = document.createElement("configfile");
 344                                 configfile.setTextContent("file:"
 345                                         + ETC_OPENDAYLIGHT_KARAF_PATH
 346                                         + file.getName());
 347                                 configfile.setAttribute(
 348                                         "finalname",
 349                                         ETC_OPENDAYLIGHT_KARAF_PATH
 350                                                 + file.getName());
 351                                 ncAllFeatureDefinition.appendChild(configfile);
 352                             }
 353                         }
 354                     }
 355
 356                     Files.write(XmlUtil.toString(document), featureFile,Charsets.UTF_8);
 357                     LOG.info("Feature file {} updated", featureFile);
 358                 }
 359             } catch (final IOException e) {
 360                 throw new RuntimeException("Unable to load features file as a resource");
 361             } catch (final SAXException e) {
 362                 throw new RuntimeException("Unable to parse features file");
 363             }
 364         }
 365
 366
 367         private static List<File> getFeatureFile(final File distroFolder, final String featureName, final String suffix) {
 368             checkExistingDir(distroFolder, String.format("Folder %s does not exist", distroFolder));
 369
 370             final File systemDir = checkExistingDir(new File(distroFolder, "system"), String.format("Folder %s does not contain a karaf distro, folder system is missing", distroFolder));
 371             final File netconfConnectorFeaturesParentDir = checkExistingDir(new File(systemDir, "org/opendaylight/controller/" + featureName), String.format("Karaf distro in %s does not contain netconf-connector features", distroFolder));
 372
 373             // Find newest version for features
 374             final File newestVersionDir = Collections.max(
 375                     Lists.newArrayList(netconfConnectorFeaturesParentDir.listFiles(new FileFilter() {
 376                         @Override
 377                         public boolean accept(final File pathname) {
 378                             return pathname.isDirectory();
 379                         }
 380                     })), new Comparator<File>() {
 381                         @Override
 382                         public int compare(final File o1, final File o2) {
 383                             return o1.getName().compareTo(o2.getName());
 384                         }
 385                     });
 386
 387             return Lists.newArrayList(newestVersionDir.listFiles(new FileFilter() {
 388                 @Override
 389                 public boolean accept(final File pathname) {
 390                     return pathname.getName().contains(featureName)
 391                             && Files.getFileExtension(pathname.getName()).equals(suffix);
 392                 }
 393             }));
 394         }
 395
 396         private static File checkExistingDir(final File folder, final String msg) {
 397             Preconditions.checkArgument(folder.exists(), msg);
 398             Preconditions.checkArgument(folder.isDirectory(), msg);
 399             return folder;
 400         }
 401
 402         public void changeLoadOrder() {
 403             try {
 404                 Files.write(ByteStreams.toByteArray(getClass().getResourceAsStream("/" +ORG_OPS4J_PAX_URL_MVN_CFG)), loadOrderCfgFile);
 405                 LOG.info("Load order changed to prefer local bundles/features by rewriting file {}", loadOrderCfgFile);
 406             } catch (IOException e) {
 407                 throw new RuntimeException("Unable to rewrite features file " + loadOrderCfgFile, e);
 408             }
 409         }
 410     }
 411 }