kernel/CmsDeployment.java

   1 package org.argeo.cms.internal.kernel;
   2
   3 import static org.argeo.node.DataModelNamespace.CMS_DATA_MODEL_NAMESPACE;
   4
   5 import java.io.File;
   6 import java.io.InputStreamReader;
   7 import java.io.Reader;
   8 import java.lang.management.ManagementFactory;
   9 import java.net.URL;
  10 import java.util.ArrayList;
  11 import java.util.HashSet;
  12 import java.util.Hashtable;
  13 import java.util.List;
  14 import java.util.Map;
  15 import java.util.Set;
  16
  17 import javax.jcr.Repository;
  18 import javax.jcr.Session;
  19 import javax.security.auth.callback.CallbackHandler;
  20 import javax.transaction.UserTransaction;
  21
  22 import org.apache.commons.logging.Log;
  23 import org.apache.commons.logging.LogFactory;
  24 import org.apache.jackrabbit.commons.cnd.CndImporter;
  25 import org.apache.jackrabbit.core.RepositoryContext;
  26 import org.apache.jackrabbit.core.RepositoryImpl;
  27 import org.argeo.cms.CmsException;
  28 import org.argeo.jcr.JcrUtils;
  29 import org.argeo.node.DataModelNamespace;
  30 import org.argeo.node.NodeConstants;
  31 import org.argeo.node.NodeDeployment;
  32 import org.argeo.node.NodeState;
  33 import org.argeo.node.security.CryptoKeyring;
  34 import org.argeo.node.security.Keyring;
  35 import org.argeo.osgi.useradmin.UserAdminConf;
  36 import org.argeo.util.LangUtils;
  37 import org.osgi.framework.Bundle;
  38 import org.osgi.framework.BundleContext;
  39 import org.osgi.framework.Constants;
  40 import org.osgi.framework.FrameworkUtil;
  41 import org.osgi.framework.ServiceReference;
  42 import org.osgi.framework.wiring.BundleCapability;
  43 import org.osgi.framework.wiring.BundleWire;
  44 import org.osgi.framework.wiring.BundleWiring;
  45 import org.osgi.service.cm.Configuration;
  46 import org.osgi.service.cm.ConfigurationAdmin;
  47 import org.osgi.service.cm.ManagedService;
  48 import org.osgi.service.useradmin.Group;
  49 import org.osgi.service.useradmin.Role;
  50 import org.osgi.service.useradmin.UserAdmin;
  51 import org.osgi.util.tracker.ServiceTracker;
  52
  53 public class CmsDeployment implements NodeDeployment {
  54         // private final static String LEGACY_JCR_REPOSITORY_ALIAS =
  55         // "argeo.jcr.repository.alias";
  56
  57         private final Log log = LogFactory.getLog(getClass());
  58         private final BundleContext bc = FrameworkUtil.getBundle(getClass()).getBundleContext();
  59
  60         private DataModels dataModels;
  61         private DeployConfig deployConfig;
  62         private HomeRepository homeRepository;
  63
  64         private Long availableSince;
  65
  66         private final boolean cleanState;
  67
  68         private NodeHttp nodeHttp;
  69
  70         // Readiness
  71         private boolean nodeAvailable = false;
  72         private boolean userAdminAvailable = false;
  73         private boolean httpExpected = false;
  74         private boolean httpAvailable = false;
  75
  76         public CmsDeployment() {
  77                 ServiceReference<NodeState> nodeStateSr = bc.getServiceReference(NodeState.class);
  78                 if (nodeStateSr == null)
  79                         throw new CmsException("No node state available");
  80
  81                 NodeState nodeState = bc.getService(nodeStateSr);
  82                 cleanState = nodeState.isClean();
  83
  84                 nodeHttp = new NodeHttp(cleanState);
  85                 dataModels = new DataModels(bc);
  86                 initTrackers();
  87         }
  88
  89         private void initTrackers() {
  90                 ServiceTracker<?, ?> httpSt = new ServiceTracker<NodeHttp, NodeHttp>(bc, NodeHttp.class, null) {
  91
  92                         @Override
  93                         public NodeHttp addingService(ServiceReference<NodeHttp> reference) {
  94                                 httpAvailable = true;
  95                                 checkReadiness();
  96                                 return super.addingService(reference);
  97                         }
  98                 };
  99                 // httpSt.open();
 100                 KernelUtils.asyncOpen(httpSt);
 101
 102                 ServiceTracker<?, ?> repoContextSt = new RepositoryContextStc();
 103                 // repoContextSt.open();
 104                 KernelUtils.asyncOpen(repoContextSt);
 105
 106                 ServiceTracker<?, ?> userAdminSt = new ServiceTracker<UserAdmin, UserAdmin>(bc, UserAdmin.class, null) {
 107                         @Override
 108                         public UserAdmin addingService(ServiceReference<UserAdmin> reference) {
 109                                 UserAdmin userAdmin = super.addingService(reference);
 110                                 addStandardSystemRoles(userAdmin);
 111                                 userAdminAvailable = true;
 112                                 checkReadiness();
 113                                 return userAdmin;
 114                         }
 115                 };
 116                 // userAdminSt.open();
 117                 KernelUtils.asyncOpen(userAdminSt);
 118
 119                 ServiceTracker<?, ?> confAdminSt = new ServiceTracker<ConfigurationAdmin, ConfigurationAdmin>(bc,
 120                                 ConfigurationAdmin.class, null) {
 121                         @Override
 122                         public ConfigurationAdmin addingService(ServiceReference<ConfigurationAdmin> reference) {
 123                                 ConfigurationAdmin configurationAdmin = bc.getService(reference);
 124                                 deployConfig = new DeployConfig(configurationAdmin, dataModels, cleanState);
 125                                 httpExpected = deployConfig.getProps(KernelConstants.JETTY_FACTORY_PID, "default") != null;
 126                                 try {
 127                                         // Configuration[] configs = configurationAdmin
 128                                         // .listConfigurations("(service.factoryPid=" +
 129                                         // NodeConstants.NODE_REPOS_FACTORY_PID + ")");
 130                                         // for (Configuration config : configs) {
 131                                         // Object cn = config.getProperties().get(NodeConstants.CN);
 132                                         // if (log.isDebugEnabled())
 133                                         // log.debug("Standalone repo cn: " + cn);
 134                                         // }
 135                                         Configuration[] configs = configurationAdmin
 136                                                         .listConfigurations("(service.factoryPid=" + NodeConstants.NODE_USER_ADMIN_PID + ")");
 137
 138                                         boolean hasDomain = false;
 139                                         for (Configuration config : configs) {
 140                                                 Object realm = config.getProperties().get(UserAdminConf.realm.name());
 141                                                 if (realm != null) {
 142                                                         log.debug("Found realm: " + realm);
 143                                                         hasDomain = true;
 144                                                 }
 145                                         }
 146                                         if (hasDomain) {
 147                                                 loadIpaJaasConfiguration();
 148                                         }
 149                                 } catch (Exception e) {
 150                                         throw new CmsException("Cannot initialize config", e);
 151                                 }
 152                                 return super.addingService(reference);
 153                         }
 154                 };
 155                 // confAdminSt.open();
 156                 KernelUtils.asyncOpen(confAdminSt);
 157         }
 158
 159         private void addStandardSystemRoles(UserAdmin userAdmin) {
 160                 // we assume UserTransaction is already available (TODO make it more robust)
 161                 UserTransaction userTransaction = bc.getService(bc.getServiceReference(UserTransaction.class));
 162                 try {
 163                         userTransaction.begin();
 164                         Role adminRole = userAdmin.getRole(NodeConstants.ROLE_ADMIN);
 165                         if (adminRole == null) {
 166                                 adminRole = userAdmin.createRole(NodeConstants.ROLE_ADMIN, Role.GROUP);
 167                         }
 168                         if (userAdmin.getRole(NodeConstants.ROLE_USER_ADMIN) == null) {
 169                                 Group userAdminRole = (Group) userAdmin.createRole(NodeConstants.ROLE_USER_ADMIN, Role.GROUP);
 170                                 userAdminRole.addMember(adminRole);
 171                         }
 172                         userTransaction.commit();
 173                 } catch (Exception e) {
 174                         try {
 175                                 userTransaction.rollback();
 176                         } catch (Exception e1) {
 177                                 // silent
 178                         }
 179                         throw new CmsException("Cannot add standard system roles", e);
 180                 }
 181         }
 182
 183         private void loadIpaJaasConfiguration() {
 184                 if (System.getProperty(KernelConstants.JAAS_CONFIG_PROP) == null) {
 185                         String jaasConfig = KernelConstants.JAAS_CONFIG_IPA;
 186                         URL url = getClass().getClassLoader().getResource(jaasConfig);
 187                         KernelUtils.setJaasConfiguration(url);
 188                         log.debug("Set IPA JAAS configuration.");
 189                 }
 190         }
 191
 192         public void shutdown() {
 193                 if (nodeHttp != null)
 194                         nodeHttp.destroy();
 195                 if (deployConfig != null)
 196                         deployConfig.save();
 197         }
 198
 199         private void checkReadiness() {
 200                 if (nodeAvailable && userAdminAvailable && (httpExpected ? httpAvailable : true)) {
 201                         String data = KernelUtils.getFrameworkProp(KernelUtils.OSGI_INSTANCE_AREA);
 202                         String state = KernelUtils.getFrameworkProp(KernelUtils.OSGI_CONFIGURATION_AREA);
 203                         availableSince = System.currentTimeMillis();
 204                         long jvmUptime = ManagementFactory.getRuntimeMXBean().getUptime();
 205                         String jvmUptimeStr = " in " + (jvmUptime / 1000) + "." + (jvmUptime % 1000) + "s";
 206                         log.info("## ARGEO NODE AVAILABLE" + (log.isDebugEnabled() ? jvmUptimeStr : "") + " ##");
 207                         if (log.isDebugEnabled()) {
 208                                 log.debug("## state: " + state);
 209                                 if (data != null)
 210                                         log.debug("## data: " + data);
 211                         }
 212                         long begin = bc.getService(bc.getServiceReference(NodeState.class)).getAvailableSince();
 213                         long initDuration = System.currentTimeMillis() - begin;
 214                         if (log.isTraceEnabled())
 215                                 log.trace("Kernel initialization took " + initDuration + "ms");
 216                         tributeToFreeSoftware(initDuration);
 217                 }
 218         }
 219
 220         final private void tributeToFreeSoftware(long initDuration) {
 221                 if (log.isTraceEnabled()) {
 222                         long ms = initDuration / 100;
 223                         log.trace("Spend " + ms + "ms" + " reflecting on the progress brought to mankind" + " by Free Software...");
 224                         long beginNano = System.nanoTime();
 225                         try {
 226                                 Thread.sleep(ms, 0);
 227                         } catch (InterruptedException e) {
 228                                 // silent
 229                         }
 230                         long durationNano = System.nanoTime() - beginNano;
 231                         final double M = 1000d * 1000d;
 232                         double sleepAccuracy = ((double) durationNano) / (ms * M);
 233                         log.trace("Sleep accuracy: " + String.format("%.2f", 100 - (sleepAccuracy * 100 - 100)) + " %");
 234                 }
 235         }
 236
 237         private void prepareNodeRepository(Repository deployedNodeRepository) {
 238                 if (availableSince != null) {
 239                         throw new CmsException("Deployment is already available");
 240                 }
 241
 242                 // home
 243                 prepareDataModel(NodeConstants.NODE, KernelUtils.openAdminSession(deployedNodeRepository));
 244         }
 245
 246         private void prepareHomeRepository(RepositoryImpl deployedRepository) {
 247                 Hashtable<String, String> regProps = new Hashtable<String, String>();
 248                 regProps.put(NodeConstants.CN, NodeConstants.HOME);
 249                 // regProps.put(LEGACY_JCR_REPOSITORY_ALIAS, NodeConstants.HOME);
 250                 homeRepository = new HomeRepository(deployedRepository, false);
 251                 // register
 252                 bc.registerService(Repository.class, homeRepository, regProps);
 253
 254                 new ServiceTracker<CallbackHandler, CallbackHandler>(bc, CallbackHandler.class, null) {
 255
 256                         @Override
 257                         public CallbackHandler addingService(ServiceReference<CallbackHandler> reference) {
 258                                 NodeKeyRing nodeKeyring = new NodeKeyRing(homeRepository);
 259                                 CallbackHandler callbackHandler = bc.getService(reference);
 260                                 nodeKeyring.setDefaultCallbackHandler(callbackHandler);
 261                                 bc.registerService(LangUtils.names(Keyring.class, CryptoKeyring.class, ManagedService.class),
 262                                                 nodeKeyring, LangUtils.dico(Constants.SERVICE_PID, NodeConstants.NODE_KEYRING_PID));
 263                                 return callbackHandler;
 264                         }
 265
 266                 }.open();
 267         }
 268
 269         /** Session is logged out. */
 270         private void prepareDataModel(String cn, Session adminSession) {
 271                 try {
 272                         Set<String> processed = new HashSet<String>();
 273                         bundles: for (Bundle bundle : bc.getBundles()) {
 274                                 BundleWiring wiring = bundle.adapt(BundleWiring.class);
 275                                 if (wiring == null)
 276                                         continue bundles;
 277                                 if (NodeConstants.NODE.equals(cn))// process all data models
 278                                         processWiring(cn, adminSession, wiring, processed);
 279                                 else {
 280                                         List<BundleCapability> capabilities = wiring.getCapabilities(CMS_DATA_MODEL_NAMESPACE);
 281                                         for (BundleCapability capability : capabilities) {
 282                                                 String dataModelName = (String) capability.getAttributes().get(DataModelNamespace.NAME);
 283                                                 if (dataModelName.equals(cn))// process only own data model
 284                                                         processWiring(cn, adminSession, wiring, processed);
 285                                         }
 286                                 }
 287                         }
 288                 } finally {
 289                         JcrUtils.logoutQuietly(adminSession);
 290                 }
 291         }
 292
 293         private void processWiring(String cn, Session adminSession, BundleWiring wiring, Set<String> processed) {
 294                 // recursively process requirements first
 295                 List<BundleWire> requiredWires = wiring.getRequiredWires(CMS_DATA_MODEL_NAMESPACE);
 296                 for (BundleWire wire : requiredWires) {
 297                         processWiring(cn, adminSession, wire.getProviderWiring(), processed);
 298                 }
 299
 300                 List<String> publishAsLocalRepo = new ArrayList<>();
 301                 List<BundleCapability> capabilities = wiring.getCapabilities(CMS_DATA_MODEL_NAMESPACE);
 302                 for (BundleCapability capability : capabilities) {
 303                         boolean publish = registerDataModelCapability(cn, adminSession, capability, processed);
 304                         if (publish)
 305                                 publishAsLocalRepo.add((String) capability.getAttributes().get(DataModelNamespace.NAME));
 306                 }
 307                 // Publish all at once, so that bundles with multiple CNDs are consistent
 308                 for (String dataModelName : publishAsLocalRepo)
 309                         publishLocalRepo(dataModelName, adminSession.getRepository());
 310         }
 311
 312         private boolean registerDataModelCapability(String cn, Session adminSession, BundleCapability capability,
 313                         Set<String> processed) {
 314                 Map<String, Object> attrs = capability.getAttributes();
 315                 String name = (String) attrs.get(DataModelNamespace.NAME);
 316                 if (processed.contains(name)) {
 317                         if (log.isTraceEnabled())
 318                                 log.trace("Data model " + name + " has already been processed");
 319                         return false;
 320                 }
 321
 322                 // CND
 323                 String path = (String) attrs.get(DataModelNamespace.CND);
 324                 if (path != null) {
 325                         File dataModel = bc.getBundle().getDataFile("dataModels/" + path);
 326                         if (!dataModel.exists()) {
 327                                 URL url = capability.getRevision().getBundle().getResource(path);
 328                                 if (url == null)
 329                                         throw new CmsException("No data model '" + name + "' found under path " + path);
 330                                 try (Reader reader = new InputStreamReader(url.openStream())) {
 331                                         CndImporter.registerNodeTypes(reader, adminSession, true);
 332                                         processed.add(name);
 333                                         dataModel.getParentFile().mkdirs();
 334                                         dataModel.createNewFile();
 335                                         if (log.isDebugEnabled())
 336                                                 log.debug("Registered CND " + url);
 337                                 } catch (Exception e) {
 338                                         throw new CmsException("Cannot import CND " + url, e);
 339                                 }
 340                         }
 341                 }
 342
 343                 if (KernelUtils.asBoolean((String) attrs.get(DataModelNamespace.ABSTRACT)))
 344                         return false;
 345                 // Non abstract
 346                 boolean isStandalone = deployConfig.isStandalone(name);
 347                 boolean publishLocalRepo;
 348                 if (isStandalone && name.equals(cn))// includes the node itself
 349                         publishLocalRepo = true;
 350                 else if (!isStandalone && cn.equals(NodeConstants.NODE))
 351                         publishLocalRepo = true;
 352                 else
 353                         publishLocalRepo = false;
 354
 355                 return publishLocalRepo;
 356         }
 357
 358         private void publishLocalRepo(String dataModelName, Repository repository) {
 359                 Hashtable<String, Object> properties = new Hashtable<>();
 360                 // properties.put(LEGACY_JCR_REPOSITORY_ALIAS, name);
 361                 properties.put(NodeConstants.CN, dataModelName);
 362                 if (dataModelName.equals(NodeConstants.NODE))
 363                         properties.put(Constants.SERVICE_RANKING, Integer.MAX_VALUE);
 364                 LocalRepository localRepository = new LocalRepository(repository, dataModelName);
 365                 bc.registerService(Repository.class, localRepository, properties);
 366                 if (log.isDebugEnabled())
 367                         log.debug("Published data model " + dataModelName);
 368         }
 369
 370         @Override
 371         public Long getAvailableSince() {
 372                 return availableSince;
 373         }
 374
 375         private class RepositoryContextStc extends ServiceTracker<RepositoryContext, RepositoryContext> {
 376
 377                 public RepositoryContextStc() {
 378                         super(bc, RepositoryContext.class, null);
 379                 }
 380
 381                 @Override
 382                 public RepositoryContext addingService(ServiceReference<RepositoryContext> reference) {
 383                         RepositoryContext repoContext = bc.getService(reference);
 384                         String cn = (String) reference.getProperty(NodeConstants.CN);
 385                         if (cn != null) {
 386                                 if (cn.equals(NodeConstants.NODE)) {
 387                                         prepareNodeRepository(repoContext.getRepository());
 388                                         // TODO separate home repository
 389                                         prepareHomeRepository(repoContext.getRepository());
 390                                         nodeAvailable = true;
 391                                         checkReadiness();
 392                                 } else {
 393                                         prepareDataModel(cn, KernelUtils.openAdminSession(repoContext.getRepository()));
 394                                 }
 395                         }
 396                         return repoContext;
 397                 }
 398
 399                 @Override
 400                 public void modifiedService(ServiceReference<RepositoryContext> reference, RepositoryContext service) {
 401                 }
 402
 403                 @Override
 404                 public void removedService(ServiceReference<RepositoryContext> reference, RepositoryContext service) {
 405                 }
 406
 407         }
 408
 409 }