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