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