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