1008086 IDEMPIERE-2771 implement semaphore in internal 2packs to avoid multiple servers applying same 2pack

migration/i4.1/oracle/201706192054_Ticket_1008086.sql

@@ -0,0 +1,17 @@
+SET SQLBLANKLINES ON
+SET DEFINE OFF
+
+-- Jun 19, 2017 8:54:41 PM CEST
+-- 2Pack Semaphore
+INSERT INTO AD_SysConfig (AD_SysConfig_ID,EntityType,ConfigurationLevel,Updated,Value,AD_SysConfig_UU,IsActive,Name,Created,AD_Org_ID,CreatedBy,UpdatedBy,AD_Client_ID) VALUES (200098,'D','S',TO_DATE('2017-06-19 20:54:40','YYYY-MM-DD HH24:MI:SS'),'AUTOMATIC_PACKIN_PROCESSING','cba425fc-4e0e-4a45-bc14-281a98a52c81','Y','AUTOMATIC_PACKIN_PROCESSING',TO_DATE('2017-06-19 20:54:40','YYYY-MM-DD HH24:MI:SS'),0,100,100,0)
+;
+
+-- Jun 19, 2017 8:55:06 PM CEST
+INSERT INTO AD_SysConfig (AD_SysConfig_ID,EntityType,ConfigurationLevel,Updated,Value,AD_SysConfig_UU,IsActive,Name,Created,AD_Org_ID,CreatedBy,UpdatedBy,AD_Client_ID) VALUES (200099,'D','S',TO_DATE('2017-06-19 20:55:05','YYYY-MM-DD HH24:MI:SS'),'120','2dd1b89a-936e-47aa-b7e6-3b66649ed224','Y','AUTOMATIC_PACKIN_TIMEOUT',TO_DATE('2017-06-19 20:55:05','YYYY-MM-DD HH24:MI:SS'),0,100,100,0)
+;
+
+INSERT INTO AD_SysConfig (AD_SysConfig_ID,EntityType,ConfigurationLevel,Updated,Value,AD_SysConfig_UU,IsActive,Name,Created,AD_Org_ID,CreatedBy,UpdatedBy,AD_Client_ID) VALUES (200100,'D','S',TO_DATE('2017-06-20 12:12:07','YYYY-MM-DD HH24:MI:SS'),'5','49244d58-3306-4a38-9458-7fa8616214c2','Y','AUTOMATIC_PACKIN_RETRIES',TO_DATE('2017-06-20 12:12:07','YYYY-MM-DD HH24:MI:SS'),0,100,100,0)
+;
+
+SELECT register_migration_script('201706192054_Ticket_1008086.sql') FROM dual
+;

migration/i4.1/postgresql/201706192054_Ticket_1008086.sql

@@ -0,0 +1,14 @@
+-- Jun 19, 2017 8:54:41 PM CEST
+-- 2Pack Semaphore
+INSERT INTO AD_SysConfig (AD_SysConfig_ID,EntityType,ConfigurationLevel,Updated,Value,AD_SysConfig_UU,IsActive,Name,Created,AD_Org_ID,CreatedBy,UpdatedBy,AD_Client_ID) VALUES (200098,'D','S',TO_TIMESTAMP('2017-06-19 20:54:40','YYYY-MM-DD HH24:MI:SS'),'AUTOMATIC_PACKIN_PROCESSING','cba425fc-4e0e-4a45-bc14-281a98a52c81','Y','AUTOMATIC_PACKIN_PROCESSING',TO_TIMESTAMP('2017-06-19 20:54:40','YYYY-MM-DD HH24:MI:SS'),0,100,100,0)
+;
+
+-- Jun 19, 2017 8:55:06 PM CEST
+INSERT INTO AD_SysConfig (AD_SysConfig_ID,EntityType,ConfigurationLevel,Updated,Value,AD_SysConfig_UU,IsActive,Name,Created,AD_Org_ID,CreatedBy,UpdatedBy,AD_Client_ID) VALUES (200099,'D','S',TO_TIMESTAMP('2017-06-19 20:55:05','YYYY-MM-DD HH24:MI:SS'),'120','2dd1b89a-936e-47aa-b7e6-3b66649ed224','Y','AUTOMATIC_PACKIN_TIMEOUT',TO_TIMESTAMP('2017-06-19 20:55:05','YYYY-MM-DD HH24:MI:SS'),0,100,100,0)
+;
+
+INSERT INTO AD_SysConfig (AD_SysConfig_ID,EntityType,ConfigurationLevel,Updated,Value,AD_SysConfig_UU,IsActive,Name,Created,AD_Org_ID,CreatedBy,UpdatedBy,AD_Client_ID) VALUES (200100,'D','S',TO_TIMESTAMP('2017-06-20 12:12:07','YYYY-MM-DD HH24:MI:SS'),'5','49244d58-3306-4a38-9458-7fa8616214c2','Y','AUTOMATIC_PACKIN_RETRIES',TO_TIMESTAMP('2017-06-20 12:12:07','YYYY-MM-DD HH24:MI:SS'),0,100,100,0)
+;
+
+SELECT register_migration_script('201706192054_Ticket_1008086.sql') FROM dual
+;

org.adempiere.base/src/org/compiere/model/MSysConfig.java

@@ -198,6 +198,10 @@ public class MSysConfig extends X_AD_SysConfig
 	/** Cache			*/
 	private static CCache<String, String> s_cache = new CCache<String, String>(Table_Name, 40, 0, true);
 	
+	public static final String AUTOMATIC_PACKIN_PROCESSING = "AUTOMATIC_PACKIN_PROCESSING";
+	public static final String AUTOMATIC_PACKIN_TIMEOUT = "AUTOMATIC_PACKIN_TIMEOUT";
+	public static final String AUTOMATIC_PACKIN_RETRIES = "AUTOMATIC_PACKIN_RETRIES";
+
 	/**
 	 * Get system configuration property of type string
 	 * @param Name

org.adempiere.pipo/src/org/adempiere/pipo/srv/PipoDictionaryService.java

@@ -13,8 +13,6 @@ package org.adempiere.pipo.srv;
 
 import java.io.File;
 import java.sql.Timestamp;
-import java.util.concurrent.Semaphore;
-import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 
 import org.adempiere.base.IDictionaryService;
@@ -32,11 +30,8 @@ public class PipoDictionaryService implements IDictionaryService {
 
 	CLogger logger = CLogger.getCLogger(PipoDictionaryService.class.getName());
 
-	private final Semaphore semaphore;
-	
 	public PipoDictionaryService() {
 		super();
-		semaphore = new Semaphore(1, true);
 	}
 
 	@Override
@@ -49,12 +44,6 @@ public class PipoDictionaryService implements IDictionaryService {
 		X_AD_Package_Imp_Proc adPackageImp = null;
 		PackIn packIn = null;
 		try {
-			try {
-				semaphore.tryAcquire(120, TimeUnit.SECONDS);
-			} catch (InterruptedException e) {
-				semaphore.release();
-				semaphore.acquire();
-			}
 			trxName = Trx.createTrxName("PipoDS");
 			packIn = new PackIn();
 			packIn.setPackageName(context.getBundle().getSymbolicName());
@@ -116,7 +105,6 @@ public class PipoDictionaryService implements IDictionaryService {
 			try {
 				Trx.get(trxName, false).close();
 			} catch (Exception e) {}
-			semaphore.release();
 			adPackageImp.save(); // ignoring exceptions
 
 			if (adPackageImp != null && packIn != null) {

org.adempiere.plugin.utils/META-INF/MANIFEST.MF

@@ -41,6 +41,7 @@ Import-Package: org.adempiere.base,
  org.apache.xerces.xs.datatypes;version="2.9.0",
  org.apache.xml.serialize;version="2.9.0",
  org.compiere,
+ org.compiere.db,
  org.compiere.model,
  org.compiere.util,
  org.osgi.framework;version="1.5.0",

org.adempiere.plugin.utils/src/org/adempiere/plugin/utils/AbstractActivator.java

@@ -0,0 +1,102 @@
+/******************************************************************************
+ * Copyright (C) 2017 Diego Ruiz                                              *
+ * Copyright (C) 2017 Trek Global                 							  *
+ * This program is free software; you can redistribute it and/or modify it    *
+ * under the terms version 2 of the GNU General Public License as published   *
+ * by the Free Software Foundation. This program is distributed in the hope   *
+ * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied *
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.           *
+ * See the GNU General Public License for more details.                       *
+ * You should have received a copy of the GNU General Public License along    *
+ * with this program; if not, write to the Free Software Foundation, Inc.,    *
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.                     *
+ *****************************************************************************/
+package org.adempiere.plugin.utils;
+
+import java.io.File;
+import java.util.logging.Level;
+
+import org.adempiere.base.IDictionaryService;
+import org.compiere.model.MSysConfig;
+import org.compiere.model.PO;
+import org.compiere.model.Query;
+import org.compiere.model.X_AD_Package_Imp;
+import org.compiere.util.CLogger;
+import org.compiere.util.DB;
+import org.compiere.util.Env;
+import org.compiere.util.Trx;
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+import org.osgi.util.tracker.ServiceTracker;
+import org.osgi.util.tracker.ServiceTrackerCustomizer;
+
+public abstract class AbstractActivator implements BundleActivator, ServiceTrackerCustomizer<IDictionaryService, IDictionaryService> {
+
+	protected final static CLogger logger = CLogger.getCLogger(AbstractActivator.class.getName());
+	protected BundleContext context;
+	protected ServiceTracker<IDictionaryService, IDictionaryService> serviceTracker;
+	protected IDictionaryService service;
+	private   String trxName = "";
+
+	protected boolean merge(File zipfile, String version) throws Exception {
+		boolean success = false;
+
+		if (!installedPackage(version)) {
+			service.merge(context, zipfile);
+			success = true;
+		} else {
+			logger.log(Level.SEVERE, "The file was already installed: " + zipfile.getName());
+		}
+
+		return success;
+	}
+
+	protected boolean installedPackage(String version) {
+		StringBuilder where = new StringBuilder("Name=? AND PK_Status = 'Completed successfully'");
+		Object[] params;
+		if (version != null) {
+			where.append(" AND PK_Version LIKE ?");
+			params = new Object[] { getName(), version +  "%" };
+		} else {
+			params = new Object[] {getName()};
+		}
+		Query q = new Query(Env.getCtx(), X_AD_Package_Imp.Table_Name,
+				where.toString(), null);
+		q.setParameters(params);
+		return q.first() != null;
+	}
+
+	public abstract String getName();
+
+	public boolean getDBLock() {
+		int timeout = MSysConfig.getIntValue(MSysConfig.AUTOMATIC_PACKIN_TIMEOUT, 120);
+		int maxAttempts = MSysConfig.getIntValue(MSysConfig.AUTOMATIC_PACKIN_RETRIES, 5);
+		boolean lockAcquired = false;
+
+		while(maxAttempts > 0 && !lockAcquired) {
+			maxAttempts --;
+			if (getDBLock(timeout))
+				lockAcquired = true;
+		}
+
+		return lockAcquired;
+	}
+
+	public void releaseLock() {
+		Trx.get(trxName, false).close();
+	}
+
+	private boolean getDBLock(int timeout) {
+		return DB.getDatabase().forUpdate(getLockPO(), timeout);
+	}
+
+	private PO getLockPO() {
+		MSysConfig sysconfig = new Query(Env.getCtx(), MSysConfig.Table_Name, 
+				"Name=? AND AD_Client_ID=0", null)
+				.setParameters(MSysConfig.AUTOMATIC_PACKIN_PROCESSING)
+				.first();
+		trxName = Trx.createTrxName("ActSysTrx");
+		sysconfig.set_TrxName(trxName);
+		return sysconfig;
+	}
+}

org.adempiere.plugin.utils/src/org/adempiere/plugin/utils/AdempiereActivator.java

@@ -16,18 +16,13 @@ import org.compiere.model.ServerStateChangeListener;
 import org.compiere.model.X_AD_Package_Imp;
 import org.compiere.util.CLogger;
 import org.compiere.util.Env;
-import org.osgi.framework.BundleActivator;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.ServiceReference;
 import org.osgi.util.tracker.ServiceTracker;
-import org.osgi.util.tracker.ServiceTrackerCustomizer;
 
-public class AdempiereActivator implements BundleActivator, ServiceTrackerCustomizer<IDictionaryService, IDictionaryService> {
+public class AdempiereActivator extends AbstractActivator {
 
 	protected final static CLogger logger = CLogger.getCLogger(AdempiereActivator.class.getName());
-	private BundleContext context;
-	private ServiceTracker<IDictionaryService, IDictionaryService> serviceTracker;
-	private IDictionaryService service;
 
 	@Override
 	public void start(BundleContext context) throws Exception {
@@ -53,6 +48,30 @@ public class AdempiereActivator implements BundleActivator, ServiceTrackerCustom
 
 	private void installPackage() {
 			// e.g. 1.0.0.qualifier, check only the "1.0.0" part
+			String version = getPKVersion();
+			
+			String where = "Name=? AND PK_Version LIKE ?";
+			Query q = new Query(Env.getCtx(), X_AD_Package_Imp.Table_Name,
+					where.toString(), null);
+			q.setParameters(new Object[] { getName(), version + "%" });
+			X_AD_Package_Imp pkg = q.first();
+			if (pkg == null) {
+				if (getDBLock()) {
+					System.out.println("Installing " + getName() + " " + version + " ...");
+					packIn();
+					install();
+					releaseLock();
+					System.out.println(getName() + " " + version + " installed.");
+				} else {
+					logger.log(Level.SEVERE, "Could not acquire the DB lock to install:" + getName());
+				}
+			} else {
+				if (logger.isLoggable(Level.INFO)) logger.info(getName() + " " + version + " was installed: "
+						+ pkg.getCreated());
+			}
+	}
+	
+	private String getPKVersion() {
 		String version = getVersion();
 		if (version != null)
 		{
@@ -74,21 +93,7 @@ public class AdempiereActivator implements BundleActivator, ServiceTrackerCustom
 				index = version.length();
 			version = version.substring(0,  index);
 		}
-			
+		return version;
-			String where = "Name=? AND PK_Version LIKE ?";
-			Query q = new Query(Env.getCtx(), X_AD_Package_Imp.Table_Name,
-					where.toString(), null);
-			q.setParameters(new Object[] { getName(), version + "%" });
-			X_AD_Package_Imp pkg = q.first();
-			if (pkg == null) {
-				System.out.println("Installing " + getName() + " " + version + " ...");
-				packIn();
-				install();
-				System.out.println(getName() + " " + version + " installed.");
-			} else {
-				if (logger.isLoggable(Level.INFO)) logger.info(getName() + " " + version + " was installed: "
-						+ pkg.getCreated());
-			}
 	}
 
 	protected void packIn() {
@@ -106,7 +111,7 @@ public class AdempiereActivator implements BundleActivator, ServiceTrackerCustom
 			    	zipstream.write(buffer, 0, read);
 			    }
 			    // call 2pack
-				service.merge(context, zipfile);
+				merge(zipfile, getPKVersion());
 			} catch (Throwable e) {
 				logger.log(Level.SEVERE, "Pack in failed.", e);
 			}

org.adempiere.plugin.utils/src/org/adempiere/plugin/utils/Incremental2PackActivator.java

@@ -35,23 +35,18 @@ import org.compiere.model.X_AD_Package_Imp;
 import org.compiere.util.CLogger;
 import org.compiere.util.Env;
 import org.compiere.util.Trx;
-import org.osgi.framework.BundleActivator;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.ServiceReference;
 import org.osgi.util.tracker.ServiceTracker;
-import org.osgi.util.tracker.ServiceTrackerCustomizer;
 
 /**
  * 
  * @author hengsin
  *
  */
-public class Incremental2PackActivator implements BundleActivator, ServiceTrackerCustomizer<IDictionaryService, IDictionaryService> {
+public class Incremental2PackActivator extends AbstractActivator {
 
 	protected final static CLogger logger = CLogger.getCLogger(Incremental2PackActivator.class.getName());
-	private BundleContext context;
-	private ServiceTracker<IDictionaryService, IDictionaryService> serviceTracker;
-	private IDictionaryService service;
 
 	@Override
 	public void start(BundleContext context) throws Exception {
@@ -189,6 +184,7 @@ public class Incremental2PackActivator implements BundleActivator, ServiceTracke
 			}
 		});		
 				
+		if (getDBLock()) {
 			for(TwoPackEntry entry : list) {
 				if (!installedVersions.contains(entry.version)) {
 					if (!packIn(entry.url)) {
@@ -197,6 +193,10 @@ public class Incremental2PackActivator implements BundleActivator, ServiceTracke
 					}
 				}
 			}
+			releaseLock();
+		} else {
+			logger.log(Level.SEVERE, "Could not acquire the DB lock to install:" + getName());
+		}
 	}
 
 	private String extractVersionString(URL u) {
@@ -224,7 +224,8 @@ public class Incremental2PackActivator implements BundleActivator, ServiceTracke
 			    	zipstream.write(buffer, 0, read);
 			    }
 			    // call 2pack
-				service.merge(context, zipfile);
+				if (!merge(zipfile, extractVersionString(packout)))
+					return false;
 			} catch (Throwable e) {
 				logger.log(Level.SEVERE, "Pack in failed.", e);
 				return false;

org.adempiere.plugin.utils/src/org/adempiere/plugin/utils/Version2PackActivator.java

@@ -35,23 +35,18 @@ import org.compiere.model.X_AD_Package_Imp;
 import org.compiere.util.CLogger;
 import org.compiere.util.Env;
 import org.compiere.util.Util;
-import org.osgi.framework.BundleActivator;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.ServiceReference;
 import org.osgi.util.tracker.ServiceTracker;
-import org.osgi.util.tracker.ServiceTrackerCustomizer;
 
 /**
  * 
  * @author hengsin
  *
  */
-public class Version2PackActivator implements BundleActivator, ServiceTrackerCustomizer<IDictionaryService, IDictionaryService> {
+public class Version2PackActivator extends AbstractActivator {
 
 	protected final static CLogger logger = CLogger.getCLogger(Version2PackActivator.class.getName());
-	private BundleContext context;
-	private ServiceTracker<IDictionaryService, IDictionaryService> serviceTracker;
-	private IDictionaryService service;
 
 	@Override
 	public void start(BundleContext context) throws Exception {
@@ -162,12 +157,17 @@ public class Version2PackActivator implements BundleActivator, ServiceTrackerCus
 			}
 		});		
 				
+		if (getDBLock()) {
 			for(TwoPackEntry entry : list) {
 				if (!packIn(entry.url)) {
 					// stop processing further packages if one fail
 					break;
 				}
 			}
+			releaseLock();
+		} else {
+			logger.log(Level.SEVERE, "Could not acquire the DB lock to install:" + getName());
+		}
 	}
 
 	private String extractVersionString(URL u) {
@@ -195,7 +195,8 @@ public class Version2PackActivator implements BundleActivator, ServiceTrackerCus
 			    	zipstream.write(buffer, 0, read);
 			    }
 			    // call 2pack
-				service.merge(context, zipfile);
+				if (!merge(zipfile, extractVersionString(packout)))
+					return false;
 			} catch (Throwable e) {
 				logger.log(Level.SEVERE, "Pack in failed.", e);
 				return false;