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 writableArea) {
  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                 RuntimeManager.loadDefaults(configuration);
  37
  38                 configuration.put(InitConstants.PROP_OSGI_SHARED_CONFIGURATION_AREA, configArea.toUri().toString());
  39                 configuration.put(InitConstants.PROP_OSGI_SHARED_CONFIGURATION_AREA_RO, "true");
  40                 configuration.put(InitConstants.PROP_OSGI_USE_SYSTEM_PROPERTIES, "false");
  41
  42                 configuration.put(InitConstants.PROP_OSGI_CONFIGURATION_AREA,
  43                                 writableArea.resolve(RuntimeManager.STATE).toUri().toString());
  44                 // use config area if instance area is not set
  45                 if (!configuration.containsKey(InitConstants.PROP_OSGI_INSTANCE_AREA))
  46                         configuration.put(InitConstants.PROP_OSGI_INSTANCE_AREA,
  47                                         writableArea.resolve(RuntimeManager.DATA).toUri().toString());
  48
  49                 logger.log(Level.TRACE, () -> "Runtime manager configuration: " + configuration);
  50
  51 //              System.out.println("java.library.path=" + System.getProperty("java.library.path"));
  52         }
  53
  54         public void run() {
  55                 OsgiRuntimeContext managerRuntimeContext = new OsgiRuntimeContext(OsgiRuntimeContext.loadFrameworkFactory(),
  56                                 configuration);
  57                 try {
  58                         managerRuntimeContext.run();
  59                         InternalState.setMainRuntimeContext(managerRuntimeContext);
  60
  61                         // shutdown on exit
  62                         Runtime.getRuntime().addShutdownHook(new Thread(() -> shutdown(), "Runtime shutdown"));
  63
  64 //                      BundleContext bc = managerRuntimeContext.getFramework().getBundleContext();
  65 //                      // uninstall init as a bundle since it will be available via OSGi system
  66 //                      OsgiBoot.uninstallBundles(bc, SYMBOLIC_NAME_INIT);
  67 //                      bc.registerService(RuntimeManager.class, this, new Hashtable<>(configuration));
  68                         logger.log(Level.DEBUG, "Registered runtime manager");
  69
  70                         managerRuntimeContext.waitForStop(0);
  71                 } catch (InterruptedException e) {
  72                         e.printStackTrace();
  73                         System.exit(1);
  74                 }
  75
  76         }
  77
  78         protected void shutdown() {
  79                 // shutdown manager runtime
  80                 try {
  81                         InternalState.getMainRuntimeContext().close();
  82                         InternalState.getMainRuntimeContext().waitForStop(RUNTIME_SHUTDOWN_TIMEOUT);
  83 //                      logger.log(Logger.Level.INFO, "Argeo Init stopped with PID " + ProcessHandle.current().pid());
  84                         System.out.flush();
  85                 } catch (Exception e) {
  86                         e.printStackTrace();
  87                         Runtime.getRuntime().halt(1);
  88                 }
  89         }
  90
  91         public static void main(String[] args) {
  92                 ThinLoggerFinder.reloadConfiguration();
  93                 logger.log(Logger.Level.DEBUG, () -> "Argeo Init starting with PID " + ProcessHandle.current().pid());
  94                 Map<String, String> env = System.getenv();
  95
  96 //              if (args.length < 1)
  97 //                      throw new IllegalArgumentException("A relative configuration directory must be specified");
  98 //              Path configArea = Paths.get(System.getProperty("user.dir"), args[0]);
  99
 100                 // System.out.println("## Start with PID " + ProcessHandle.current().pid());
 101                 // System.out.println("user.dir=" + System.getProperty("user.dir"));
 102
 103                 Path writableArea = Paths.get(env.get(ENV_STATE_DIRECTORY));
 104                 Path configArea = Paths.get(env.get(ENV_CONFIGURATION_DIRECTORY));
 105                 RuntimeManagerMain runtimeManager = new RuntimeManagerMain(configArea, writableArea);
 106                 runtimeManager.run();
 107         }
 108
 109 }