org.argeo.init/src/org/argeo/init/RuntimeManagerMain.java

   1 package org.argeo.init;
   2
   3 import java.lang.System.Logger;
   4 import java.lang.System.Logger.Level;
   5 import java.nio.file.Path;
   6 import java.nio.file.Paths;
   7 import java.util.HashMap;
   8 import java.util.Map;
   9
  10 import org.argeo.api.init.InitConstants;
  11 import org.argeo.api.init.RuntimeManager;
  12 import org.argeo.init.logging.ThinLoggerFinder;
  13 import org.argeo.init.osgi.OsgiRuntimeContext;
  14 import org.argeo.internal.init.InternalState;
  15
  16 /**
  17  * Dynamically configures and launches multiple runtimes, coordinated by a main
  18  * one.
  19  */
  20 public class RuntimeManagerMain {
  21         private final static Logger logger = System.getLogger(RuntimeManagerMain.class.getName());
  22
  23         private final static String ENV_STATE_DIRECTORY = "STATE_DIRECTORY";
  24 //      private final static String ENV_CONFIGURATION_DIRECTORY = "CONFIGURATION_DIRECTORY";
  25 //      private final static String ENV_CACHE_DIRECTORY = "CACHE_DIRECTORY";
  26
  27         private final static long RUNTIME_SHUTDOWN_TIMEOUT = 60 * 1000;
  28
  29         private Map<String, String> configuration = new HashMap<>();
  30
  31         RuntimeManagerMain(Path configArea, Path stateArea) {
  32                 RuntimeManager.loadConfig(configArea, configuration);
  33
  34                 // integration with OSGi runtime; this will be read by the init bundle
  35                 configuration.put(ServiceMain.PROP_ARGEO_INIT_MAIN, "true");
  36                 configuration.put(InitConstants.PROP_OSGI_SHARED_CONFIGURATION_AREA, configArea.toUri().toString());
  37
  38                 configuration.put(InitConstants.PROP_OSGI_CONFIGURATION_AREA,
  39                                 stateArea.resolve(RuntimeManager.STATE).toUri().toString());
  40                 // use config area if instance area is not set
  41                 if (!configuration.containsKey(InitConstants.PROP_OSGI_INSTANCE_AREA))
  42                         configuration.put(InitConstants.PROP_OSGI_INSTANCE_AREA,
  43                                         stateArea.resolve(RuntimeManager.DATA).toUri().toString());
  44
  45                 logger.log(Level.TRACE, () -> "Runtime manager configuration: " + configuration);
  46
  47 //              System.out.println("java.library.path=" + System.getProperty("java.library.path"));
  48         }
  49
  50         public void run() {
  51                 OsgiRuntimeContext managerRuntimeContext = new OsgiRuntimeContext(OsgiRuntimeContext.loadFrameworkFactory(),
  52                                 configuration);
  53                 try {
  54                         managerRuntimeContext.run();
  55                         InternalState.setMainRuntimeContext(managerRuntimeContext);
  56
  57                         // shutdown on exit
  58                         Runtime.getRuntime().addShutdownHook(new Thread(() -> shutdown(), "Runtime shutdown"));
  59
  60 //                      BundleContext bc = managerRuntimeContext.getFramework().getBundleContext();
  61 //                      // uninstall init as a bundle since it will be available via OSGi system
  62 //                      OsgiBoot.uninstallBundles(bc, SYMBOLIC_NAME_INIT);
  63 //                      bc.registerService(RuntimeManager.class, this, new Hashtable<>(configuration));
  64                         logger.log(Level.DEBUG, "Registered runtime manager");
  65
  66                         managerRuntimeContext.waitForStop(0);
  67                 } catch (InterruptedException e) {
  68                         e.printStackTrace();
  69                         System.exit(1);
  70                 }
  71
  72         }
  73
  74         protected void shutdown() {
  75                 // shutdown manager runtime
  76                 try {
  77                         InternalState.getMainRuntimeContext().close();
  78                         InternalState.getMainRuntimeContext().waitForStop(RUNTIME_SHUTDOWN_TIMEOUT);
  79 //                      logger.log(Logger.Level.INFO, "Argeo Init stopped with PID " + ProcessHandle.current().pid());
  80                         System.out.flush();
  81                 } catch (Exception e) {
  82                         e.printStackTrace();
  83                         Runtime.getRuntime().halt(1);
  84                 }
  85         }
  86
  87         public static void main(String[] args) {
  88                 ThinLoggerFinder.reloadConfiguration();
  89                 logger.log(Logger.Level.DEBUG, () -> "Argeo Init starting with PID " + ProcessHandle.current().pid());
  90                 Map<String, String> env = System.getenv();
  91 //              for (String envName : new TreeSet<>(env.keySet())) {
  92 //                      System.out.format("%s=%s%n", envName, env.get(envName));
  93 //              }
  94                 if (args.length < 1)
  95                         throw new IllegalArgumentException("A relative configuration directory must be specified");
  96                 Path configArea = Paths.get(System.getProperty("user.dir"), args[0]);
  97
  98                 // System.out.println("## Start with PID " + ProcessHandle.current().pid());
  99                 // System.out.println("user.dir=" + System.getProperty("user.dir"));
 100
 101                 Path stateArea = Paths.get(env.get(ENV_STATE_DIRECTORY));
 102
 103                 RuntimeManagerMain runtimeManager = new RuntimeManagerMain(configArea, stateArea);
 104                 runtimeManager.run();
 105         }
 106
 107 }