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.InputStreamReader;
   6 import java.io.Reader;
   7 import java.lang.management.ManagementFactory;
   8 import java.net.URL;
   9 import java.util.HashSet;
  10 import java.util.Hashtable;
  11 import java.util.List;
  12 import java.util.Map;
  13 import java.util.Set;
  14
  15 import javax.jcr.Repository;
  16 import javax.jcr.Session;
  17 import javax.security.auth.callback.CallbackHandler;
  18
  19 import org.apache.commons.logging.Log;
  20 import org.apache.commons.logging.LogFactory;
  21 import org.apache.jackrabbit.commons.cnd.CndImporter;
  22 import org.apache.jackrabbit.core.RepositoryContext;
  23 import org.argeo.cms.CmsException;
  24 import org.argeo.cms.internal.http.NodeHttp;
  25 import org.argeo.jcr.JcrUtils;
  26 import org.argeo.node.DataModelNamespace;
  27 import org.argeo.node.NodeConstants;
  28 import org.argeo.node.NodeDeployment;
  29 import org.argeo.node.NodeState;
  30 import org.argeo.node.security.CryptoKeyring;
  31 import org.argeo.osgi.useradmin.UserAdminConf;
  32 import org.argeo.util.LangUtils;
  33 import org.osgi.framework.Bundle;
  34 import org.osgi.framework.BundleContext;
  35 import org.osgi.framework.Constants;
  36 import org.osgi.framework.FrameworkUtil;
  37 import org.osgi.framework.ServiceReference;
  38 import org.osgi.framework.wiring.BundleCapability;
  39 import org.osgi.framework.wiring.BundleWire;
  40 import org.osgi.framework.wiring.BundleWiring;
  41 import org.osgi.service.cm.Configuration;
  42 import org.osgi.service.cm.ConfigurationAdmin;
  43 import org.osgi.service.cm.ManagedService;
  44 import org.osgi.service.useradmin.UserAdmin;
  45 import org.osgi.util.tracker.ServiceTracker;
  46
  47 public class CmsDeployment implements NodeDeployment {
  48         private final static String LEGACY_JCR_REPOSITORY_ALIAS = "argeo.jcr.repository.alias";
  49
  50         private final Log log = LogFactory.getLog(getClass());
  51         private final BundleContext bc = FrameworkUtil.getBundle(getClass()).getBundleContext();
  52
  53         private DeployConfig deployConfig;
  54         private HomeRepository homeRepository;
  55
  56         private Long availableSince;
  57
  58         private final boolean cleanState;
  59
  60         private NodeHttp nodeHttp;
  61
  62         // Readiness
  63         private boolean nodeAvailable = false;
  64         private boolean userAdminAvailable = false;
  65         private boolean httpExpected = false;
  66         private boolean httpAvailable = false;
  67
  68         public CmsDeployment() {
  69                 ServiceReference<NodeState> nodeStateSr = bc.getServiceReference(NodeState.class);
  70                 if (nodeStateSr == null)
  71                         throw new CmsException("No node state available");
  72
  73                 NodeState nodeState = bc.getService(nodeStateSr);
  74                 cleanState = nodeState.isClean();
  75
  76                 nodeHttp = new NodeHttp();
  77                 initTrackers();
  78         }
  79
  80         private void initTrackers() {
  81                 new ServiceTracker<NodeHttp, NodeHttp>(bc, NodeHttp.class, null) {
  82
  83                         @Override
  84                         public NodeHttp addingService(ServiceReference<NodeHttp> reference) {
  85                                 httpAvailable = true;
  86                                 checkReadiness();
  87                                 return super.addingService(reference);
  88                         }
  89                 }.open();
  90                 new RepositoryContextStc().open();
  91                 new ServiceTracker<UserAdmin, UserAdmin>(bc, UserAdmin.class, null) {
  92                         @Override
  93                         public UserAdmin addingService(ServiceReference<UserAdmin> reference) {
  94                                 userAdminAvailable = true;
  95                                 checkReadiness();
  96                                 return super.addingService(reference);
  97                         }
  98                 }.open();
  99                 new ServiceTracker<ConfigurationAdmin, ConfigurationAdmin>(bc, ConfigurationAdmin.class, null) {
 100                         @Override
 101                         public ConfigurationAdmin addingService(ServiceReference<ConfigurationAdmin> reference) {
 102                                 ConfigurationAdmin configurationAdmin = bc.getService(reference);
 103                                 deployConfig = new DeployConfig(configurationAdmin, cleanState);
 104                                 httpExpected = deployConfig.getProps(KernelConstants.JETTY_FACTORY_PID, "default") != null;
 105                                 try {
 106                                         // Configuration[] configs = configurationAdmin
 107                                         // .listConfigurations("(service.factoryPid=" +
 108                                         // NodeConstants.NODE_REPOS_FACTORY_PID + ")");
 109                                         // for (Configuration config : configs) {
 110                                         // Object cn = config.getProperties().get(NodeConstants.CN);
 111                                         // if (log.isDebugEnabled())
 112                                         // log.debug("Standalone repo cn: " + cn);
 113                                         // }
 114                                         Configuration[] configs = configurationAdmin
 115                                                         .listConfigurations("(service.factoryPid=" + NodeConstants.NODE_USER_ADMIN_PID + ")");
 116
 117                                         boolean hasDomain = false;
 118                                         for (Configuration config : configs) {
 119                                                 Object realm = config.getProperties().get(UserAdminConf.realm.name());
 120                                                 if (realm != null) {
 121                                                         log.debug("Found realm: " + realm);
 122                                                         hasDomain = true;
 123                                                 }
 124                                         }
 125                                         if (hasDomain) {
 126                                                 loadIpaJaasConfiguration();
 127                                         }
 128                                 } catch (Exception e) {
 129                                         throw new CmsException("Cannot initialize config", e);
 130                                 }
 131                                 return super.addingService(reference);
 132                         }
 133                 }.open();
 134         }
 135
 136         private void loadIpaJaasConfiguration() {
 137                 if (System.getProperty(KernelConstants.JAAS_CONFIG_PROP) == null) {
 138                         String jaasConfig = KernelConstants.JAAS_CONFIG_IPA;
 139                         URL url = getClass().getClassLoader().getResource(jaasConfig);
 140                         KernelUtils.setJaasConfiguration(url);
 141                         log.debug("Set IPA JAAS configuration.");
 142                 }
 143         }
 144
 145         public void shutdown() {
 146                 if (nodeHttp != null)
 147                         nodeHttp.destroy();
 148                 if (deployConfig != null)
 149                         deployConfig.save();
 150         }
 151
 152         private void checkReadiness() {
 153                 if (nodeAvailable && userAdminAvailable && (httpExpected ? httpAvailable : true)) {
 154                         availableSince = System.currentTimeMillis();
 155                         long jvmUptime = ManagementFactory.getRuntimeMXBean().getUptime();
 156                         log.info("## ARGEO CMS AVAILABLE in " + (jvmUptime / 1000) + "." + (jvmUptime % 1000) + "s ##");
 157                         long begin = bc.getService(bc.getServiceReference(NodeState.class)).getAvailableSince();
 158                         long initDuration = System.currentTimeMillis() - begin;
 159                         if (log.isTraceEnabled())
 160                                 log.trace("Kernel initialization took " + initDuration + "ms");
 161                         tributeToFreeSoftware(initDuration);
 162                 }
 163         }
 164
 165         final private void tributeToFreeSoftware(long initDuration) {
 166                 if (log.isTraceEnabled()) {
 167                         long ms = initDuration / 100;
 168                         log.trace("Spend " + ms + "ms" + " reflecting on the progress brought to mankind" + " by Free Software...");
 169                         long beginNano = System.nanoTime();
 170                         try {
 171                                 Thread.sleep(ms, 0);
 172                         } catch (InterruptedException e) {
 173                                 // silent
 174                         }
 175                         long durationNano = System.nanoTime() - beginNano;
 176                         final double M = 1000d * 1000d;
 177                         double sleepAccuracy = ((double) durationNano) / (ms * M);
 178                         log.trace("Sleep accuracy: " + String.format("%.2f", 100 - (sleepAccuracy * 100 - 100)) + " %");
 179                 }
 180         }
 181
 182         private void prepareNodeRepository(Repository deployedNodeRepository) {
 183                 if (availableSince != null) {
 184                         throw new CmsException("Deployment is already available");
 185                 }
 186
 187                 // home
 188                 prepareDataModel(KernelUtils.openAdminSession(deployedNodeRepository));
 189         }
 190
 191         private void prepareHomeRepository(Repository deployedRepository) {
 192                 Hashtable<String, String> regProps = new Hashtable<String, String>();
 193                 regProps.put(NodeConstants.CN, NodeConstants.HOME);
 194                 regProps.put(LEGACY_JCR_REPOSITORY_ALIAS, NodeConstants.HOME);
 195                 homeRepository = new HomeRepository(deployedRepository);
 196                 // register
 197                 bc.registerService(Repository.class, homeRepository, regProps);
 198
 199                 new ServiceTracker<CallbackHandler, CallbackHandler>(bc, CallbackHandler.class, null) {
 200
 201                         @Override
 202                         public CallbackHandler addingService(ServiceReference<CallbackHandler> reference) {
 203                                 NodeKeyRing nodeKeyring = new NodeKeyRing(homeRepository);
 204                                 CallbackHandler callbackHandler = bc.getService(reference);
 205                                 nodeKeyring.setDefaultCallbackHandler(callbackHandler);
 206                                 bc.registerService(LangUtils.names(CryptoKeyring.class, ManagedService.class), nodeKeyring,
 207                                                 LangUtils.dico(Constants.SERVICE_PID, NodeConstants.NODE_KEYRING_PID));
 208                                 return callbackHandler;
 209                         }
 210
 211                 }.open();
 212         }
 213
 214         /** Session is logged out. */
 215         private void prepareDataModel(Session adminSession) {
 216                 try {
 217                         Set<String> processed = new HashSet<String>();
 218                         bundles: for (Bundle bundle : bc.getBundles()) {
 219                                 BundleWiring wiring = bundle.adapt(BundleWiring.class);
 220                                 if (wiring == null)
 221                                         continue bundles;
 222                                 processWiring(adminSession, wiring, processed);
 223                         }
 224                 } finally {
 225                         JcrUtils.logoutQuietly(adminSession);
 226                 }
 227         }
 228
 229         private void processWiring(Session adminSession, BundleWiring wiring, Set<String> processed) {
 230                 // recursively process requirements first
 231                 List<BundleWire> requiredWires = wiring.getRequiredWires(CMS_DATA_MODEL_NAMESPACE);
 232                 for (BundleWire wire : requiredWires) {
 233                         processWiring(adminSession, wire.getProviderWiring(), processed);
 234                         // registerCnd(adminSession, wire.getCapability(), processed);
 235                 }
 236                 List<BundleCapability> capabilities = wiring.getCapabilities(CMS_DATA_MODEL_NAMESPACE);
 237                 for (BundleCapability capability : capabilities) {
 238                         registerDataModelCapability(adminSession, capability, processed);
 239                 }
 240         }
 241
 242         private void registerDataModelCapability(Session adminSession, BundleCapability capability, Set<String> processed) {
 243                 Map<String, Object> attrs = capability.getAttributes();
 244                 String name = (String) attrs.get(DataModelNamespace.CAPABILITY_NAME_ATTRIBUTE);
 245                 if (processed.contains(name)) {
 246                         if (log.isTraceEnabled())
 247                                 log.trace("Data model " + name + " has already been processed");
 248                         return;
 249                 }
 250
 251                 // CND
 252                 String path = (String) attrs.get(DataModelNamespace.CAPABILITY_CND_ATTRIBUTE);
 253                 if (path != null) {
 254                         URL url = capability.getRevision().getBundle().getResource(path);
 255                         if (url == null)
 256                                 throw new CmsException("No data model '" + name + "' found under path " + path);
 257                         try (Reader reader = new InputStreamReader(url.openStream())) {
 258                                 CndImporter.registerNodeTypes(reader, adminSession, true);
 259                                 processed.add(name);
 260                                 if (log.isDebugEnabled())
 261                                         log.debug("Registered CND " + url);
 262                         } catch (Exception e) {
 263                                 throw new CmsException("Cannot import CND " + url, e);
 264                         }
 265                 }
 266
 267                 if (!asBoolean((String) attrs.get(DataModelNamespace.CAPABILITY_ABSTRACT_ATTRIBUTE))) {
 268                         Hashtable<String, Object> properties = new Hashtable<>();
 269                         properties.put(LEGACY_JCR_REPOSITORY_ALIAS, name);
 270                         properties.put(NodeConstants.CN, name);
 271                         if (name.equals(NodeConstants.NODE))
 272                                 properties.put(Constants.SERVICE_RANKING, Integer.MAX_VALUE);
 273                         LocalRepository localRepository = new LocalRepository(adminSession.getRepository(), capability);
 274                         bc.registerService(Repository.class, localRepository, properties);
 275                         if (log.isDebugEnabled())
 276                                 log.debug("Published data model " + name);
 277                 }
 278         }
 279
 280         private boolean asBoolean(String value) {
 281                 if (value == null)
 282                         return false;
 283                 switch (value) {
 284                 case "true":
 285                         return true;
 286                 case "false":
 287                         return false;
 288                 default:
 289                         throw new CmsException("Unsupported value for attribute " + DataModelNamespace.CAPABILITY_ABSTRACT_ATTRIBUTE
 290                                         + ": " + value);
 291                 }
 292         }
 293
 294         @Override
 295         public Long getAvailableSince() {
 296                 return availableSince;
 297         }
 298
 299         private class RepositoryContextStc extends ServiceTracker<RepositoryContext, RepositoryContext> {
 300
 301                 public RepositoryContextStc() {
 302                         super(bc, RepositoryContext.class, null);
 303                 }
 304
 305                 @Override
 306                 public RepositoryContext addingService(ServiceReference<RepositoryContext> reference) {
 307                         RepositoryContext nodeRepo = bc.getService(reference);
 308                         Object cn = reference.getProperty(NodeConstants.CN);
 309                         if (cn != null) {
 310                                 if (cn.equals(NodeConstants.NODE)) {
 311                                         prepareNodeRepository(nodeRepo.getRepository());
 312                                         prepareHomeRepository(nodeRepo.getRepository());
 313                                         nodeAvailable = true;
 314                                         checkReadiness();
 315                                 } else {
 316                                         // TODO standalone
 317                                 }
 318                         }
 319                         return nodeRepo;
 320                 }
 321
 322                 @Override
 323                 public void modifiedService(ServiceReference<RepositoryContext> reference, RepositoryContext service) {
 324                 }
 325
 326                 @Override
 327                 public void removedService(ServiceReference<RepositoryContext> reference, RepositoryContext service) {
 328                 }
 329
 330         }
 331
 332 }