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