Stabilise deployment
[lgpl/argeo-commons.git] / org.argeo.cms / src / org / argeo / cms / internal / kernel / CmsDeployment.java
index 724108fb198c6c3d963b806c81309a955046d85f..45e218a15701e9e3b00c1ae8619350566389f68c 100644 (file)
@@ -2,30 +2,18 @@ package org.argeo.cms.internal.kernel;
 
 import static org.argeo.node.DataModelNamespace.CMS_DATA_MODEL_NAMESPACE;
 
-import java.io.IOException;
-import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.Reader;
-import java.io.Writer;
+import java.lang.management.ManagementFactory;
 import java.net.URL;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.Dictionary;
 import java.util.HashSet;
 import java.util.Hashtable;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.SortedMap;
-import java.util.TreeMap;
 
 import javax.jcr.Repository;
 import javax.jcr.Session;
-import javax.naming.InvalidNameException;
-import javax.naming.directory.Attributes;
-import javax.naming.directory.BasicAttributes;
-import javax.naming.ldap.LdapName;
-import javax.naming.ldap.Rdn;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -38,9 +26,6 @@ import org.argeo.node.DataModelNamespace;
 import org.argeo.node.NodeConstants;
 import org.argeo.node.NodeDeployment;
 import org.argeo.node.NodeState;
-import org.argeo.util.naming.AttributesDictionary;
-import org.argeo.util.naming.LdifParser;
-import org.argeo.util.naming.LdifWriter;
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.FrameworkUtil;
@@ -48,29 +33,82 @@ import org.osgi.framework.ServiceReference;
 import org.osgi.framework.wiring.BundleCapability;
 import org.osgi.framework.wiring.BundleWire;
 import org.osgi.framework.wiring.BundleWiring;
-import org.osgi.service.cm.Configuration;
-import org.osgi.service.cm.ConfigurationAdmin;
-import org.osgi.service.cm.ConfigurationEvent;
-import org.osgi.service.cm.SynchronousConfigurationListener;
+import org.osgi.service.http.HttpService;
+import org.osgi.service.useradmin.UserAdmin;
 import org.osgi.util.tracker.ServiceTracker;
-import org.osgi.util.tracker.ServiceTrackerCustomizer;
 
 public class CmsDeployment implements NodeDeployment {
        private final Log log = LogFactory.getLog(getClass());
        private final BundleContext bc = FrameworkUtil.getBundle(getClass()).getBundleContext();
 
        private final DeployConfig deployConfig;
-       // private Repository deployedNodeRepository;
        private HomeRepository homeRepository;
 
        private Long availableSince;
 
+       // Readiness
+       private boolean nodeAvailable = false;
+       private boolean userAdminAvailable = false;
+       private boolean httpExpected = false;
+       private boolean httpAvailable = false;
+
        public CmsDeployment() {
-               // FIXME no guarantee this is already available
-               NodeState nodeState = bc.getService(bc.getServiceReference(NodeState.class));
+               ServiceReference<NodeState> nodeStateSr = bc.getServiceReference(NodeState.class);
+               if (nodeStateSr == null)
+                       throw new CmsException("No node state available");
+
+               NodeState nodeState = bc.getService(nodeStateSr);
                deployConfig = new DeployConfig(nodeState.isClean());
+               httpExpected = deployConfig.getProps(KernelConstants.JETTY_FACTORY_PID, "default") != null;
+
+               initTrackers();
+       }
+
+       private void initTrackers() {
+               new PrepareHttpStc().open();
+               new RepositoryContextStc().open();
+               new ServiceTracker<UserAdmin, UserAdmin>(bc, UserAdmin.class, null) {
+                       @Override
+                       public UserAdmin addingService(ServiceReference<UserAdmin> reference) {
+                               userAdminAvailable = true;
+                               checkReadiness();
+                               return super.addingService(reference);
+                       }
+               }.open();
+       }
+
+       public void shutdown() {
+               deployConfig.save();
+       }
 
-               new ServiceTracker<>(bc, RepositoryContext.class, new RepositoryContextStc()).open();
+       private void checkReadiness() {
+               if (nodeAvailable && userAdminAvailable && (httpExpected ? httpAvailable : true)) {
+                       availableSince = System.currentTimeMillis();
+                       long jvmUptime = ManagementFactory.getRuntimeMXBean().getUptime();
+                       log.info("## ARGEO CMS AVAILABLE in " + (jvmUptime / 1000) + "." + (jvmUptime % 1000) + "s ##");
+                       long begin = bc.getService(bc.getServiceReference(NodeState.class)).getAvailableSince();
+                       long initDuration = System.currentTimeMillis() - begin;
+                       if (log.isTraceEnabled())
+                               log.trace("Kernel initialization took " + initDuration + "ms");
+                       directorsCut(initDuration);
+               }
+       }
+
+       final private void directorsCut(long initDuration) {
+               // final long ms = 128l + (long) (Math.random() * 128d);
+               long ms = initDuration / 100;
+               log.info("Spend " + ms + "ms" + " reflecting on the progress brought to mankind" + " by Free Software...");
+               long beginNano = System.nanoTime();
+               try {
+                       Thread.sleep(ms, 0);
+               } catch (InterruptedException e) {
+                       // silent
+               }
+               long durationNano = System.nanoTime() - beginNano;
+               final double M = 1000d * 1000d;
+               double sleepAccuracy = ((double) durationNano) / (ms * M);
+               if (log.isDebugEnabled())
+                       log.debug("Sleep accuracy: " + String.format("%.2f", 100 - (sleepAccuracy * 100 - 100)) + " %");
        }
 
        private void prepareNodeRepository(Repository deployedNodeRepository) {
@@ -78,8 +116,6 @@ public class CmsDeployment implements NodeDeployment {
                        throw new CmsException("Deployment is already available");
                }
 
-               availableSince = System.currentTimeMillis();
-
                prepareDataModel(KernelUtils.openAdminSession(deployedNodeRepository));
                Hashtable<String, String> regProps = new Hashtable<String, String>();
                regProps.put(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS, ArgeoJcrConstants.ALIAS_HOME);
@@ -140,22 +176,22 @@ public class CmsDeployment implements NodeDeployment {
 
                Hashtable<String, Object> properties = new Hashtable<>();
                properties.put(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS, name);
+               properties.put(NodeConstants.CN, name);
                bc.registerService(Repository.class, adminSession.getRepository(), properties);
                if (log.isDebugEnabled())
                        log.debug("Published data model " + name);
        }
 
-       // public void setDeployedNodeRepository(Repository deployedNodeRepository)
-       // {
-       // this.deployedNodeRepository = deployedNodeRepository;
-       // }
-
        @Override
-       public long getAvailableSince() {
+       public Long getAvailableSince() {
                return availableSince;
        }
 
-       private class RepositoryContextStc implements ServiceTrackerCustomizer<RepositoryContext, RepositoryContext> {
+       private class RepositoryContextStc extends ServiceTracker<RepositoryContext, RepositoryContext> {
+
+               public RepositoryContextStc() {
+                       super(bc, RepositoryContext.class, null);
+               }
 
                @Override
                public RepositoryContext addingService(ServiceReference<RepositoryContext> reference) {
@@ -163,17 +199,9 @@ public class CmsDeployment implements NodeDeployment {
                        Object cn = reference.getProperty(NodeConstants.CN);
                        if (cn != null && cn.equals(ArgeoJcrConstants.ALIAS_NODE)) {
                                prepareNodeRepository(nodeRepo.getRepository());
-                               // nodeDeployment.setDeployedNodeRepository(nodeRepo.getRepository());
-                               // Dictionary<String, Object> props =
-                               // LangUtils.init(Constants.SERVICE_PID,
-                               // NodeConstants.NODE_DEPLOYMENT_PID);
-                               // props.put(NodeConstants.CN,
-                               // nodeRepo.getRootNodeId().toString());
-                               // register
-                               // bc.registerService(LangUtils.names(NodeDeployment.class,
-                               // ManagedService.class), nodeDeployment, props);
+                               nodeAvailable = true;
+                               checkReadiness();
                        }
-
                        return nodeRepo;
                }
 
@@ -187,4 +215,46 @@ public class CmsDeployment implements NodeDeployment {
 
        }
 
+       private class PrepareHttpStc extends ServiceTracker<HttpService, HttpService> {
+               private DataHttp dataHttp;
+               private NodeHttp nodeHttp;
+
+               public PrepareHttpStc() {
+                       super(bc, HttpService.class, null);
+               }
+
+               @Override
+               public HttpService addingService(ServiceReference<HttpService> reference) {
+                       HttpService httpService = addHttpService(reference);
+                       return httpService;
+               }
+
+               @Override
+               public void removedService(ServiceReference<HttpService> reference, HttpService service) {
+                       if (dataHttp != null)
+                               dataHttp.destroy();
+                       dataHttp = null;
+                       if (nodeHttp != null)
+                               nodeHttp.destroy();
+                       nodeHttp = null;
+               }
+
+               private HttpService addHttpService(ServiceReference<HttpService> sr) {
+                       HttpService httpService = bc.getService(sr);
+                       // TODO find constants
+                       Object httpPort = sr.getProperty("http.port");
+                       Object httpsPort = sr.getProperty("https.port");
+                       dataHttp = new DataHttp(httpService);
+                       nodeHttp = new NodeHttp(httpService, bc);
+                       log.info(httpPortsMsg(httpPort, httpsPort));
+                       httpAvailable = true;
+                       checkReadiness();
+                       return httpService;
+               }
+
+               private String httpPortsMsg(Object httpPort, Object httpsPort) {
+                       return "HTTP " + httpPort + (httpsPort != null ? " - HTTPS " + httpsPort : "");
+               }
+       }
+
 }