| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.ambari.server.checks; |
| |
| import java.util.Iterator; |
| |
| import org.apache.ambari.server.AmbariException; |
| import org.apache.ambari.server.audit.AuditLoggerModule; |
| import org.apache.ambari.server.controller.ControllerModule; |
| import org.apache.ambari.server.ldap.LdapModule; |
| import org.apache.ambari.server.orm.DBAccessor; |
| import org.apache.ambari.server.utils.EventBusSynchronizer; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.inject.Guice; |
| import com.google.inject.Inject; |
| import com.google.inject.Injector; |
| import com.google.inject.persist.PersistService; |
| |
| import ch.qos.logback.classic.spi.ILoggingEvent; |
| import ch.qos.logback.core.Appender; |
| import ch.qos.logback.core.FileAppender; |
| |
| public class DatabaseConsistencyChecker { |
| private static final Logger LOG = LoggerFactory.getLogger |
| (DatabaseConsistencyChecker.class); |
| |
| |
| private PersistService persistService; |
| private DBAccessor dbAccessor; |
| private Injector injector; |
| |
| |
| @Inject |
| public DatabaseConsistencyChecker(DBAccessor dbAccessor, |
| Injector injector, |
| PersistService persistService) { |
| this.dbAccessor = dbAccessor; |
| this.injector = injector; |
| this.persistService = persistService; |
| } |
| |
| /** |
| * Extension of main controller module |
| */ |
| public static class CheckHelperControllerModule extends ControllerModule { |
| |
| public CheckHelperControllerModule() throws Exception { |
| } |
| |
| @Override |
| protected void configure() { |
| super.configure(); |
| EventBusSynchronizer.synchronizeAmbariEventPublisher(binder()); |
| } |
| } |
| |
| /** |
| * Extension of audit logger module |
| */ |
| public static class CheckHelperAuditModule extends AuditLoggerModule { |
| |
| public CheckHelperAuditModule() throws Exception { |
| } |
| |
| @Override |
| protected void configure() { |
| super.configure(); |
| } |
| |
| } |
| |
| public void startPersistenceService() { |
| persistService.start(); |
| } |
| |
| public void stopPersistenceService() { |
| persistService.stop(); |
| } |
| |
| /* |
| * Main method from which we are calling all checks |
| * */ |
| public static void main(String[] args) throws Exception { |
| DatabaseConsistencyChecker databaseConsistencyChecker = null; |
| try { |
| |
| Injector injector = Guice.createInjector(new CheckHelperControllerModule(), new CheckHelperAuditModule(), new LdapModule()); |
| databaseConsistencyChecker = injector.getInstance(DatabaseConsistencyChecker.class); |
| |
| databaseConsistencyChecker.startPersistenceService(); |
| |
| DatabaseConsistencyCheckHelper.runAllDBChecks(false); |
| DatabaseConsistencyCheckHelper.checkHostComponentStates(); |
| |
| DatabaseConsistencyCheckHelper.checkServiceConfigs(); |
| |
| databaseConsistencyChecker.stopPersistenceService(); |
| |
| } catch (Throwable e) { |
| if (e instanceof AmbariException) { |
| LOG.error("Exception occurred during database check:", e); |
| throw (AmbariException)e; |
| } else { |
| LOG.error("Unexpected error, database check failed", e); |
| throw new Exception("Unexpected error, database check failed", e); |
| } |
| } finally { |
| DatabaseConsistencyCheckHelper.closeConnection(); |
| if (DatabaseConsistencyCheckHelper.getLastCheckResult().isErrorOrWarning()) { |
| String ambariDBConsistencyCheckLog = "ambari-server-check-database.log"; |
| ch.qos.logback.classic.Logger dbConsistencyCheckHelperLogger = |
| (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(DatabaseConsistencyCheckHelper.class); |
| |
| for (Iterator<Appender<ILoggingEvent>> index = dbConsistencyCheckHelperLogger.iteratorForAppenders(); index.hasNext();){ |
| Appender<ILoggingEvent> appender = index.next(); |
| if (appender instanceof FileAppender) { |
| ambariDBConsistencyCheckLog = ((FileAppender) appender).getFile(); |
| break; |
| } |
| } |
| ambariDBConsistencyCheckLog = ambariDBConsistencyCheckLog.replace("//", "/"); |
| |
| if (DatabaseConsistencyCheckHelper.getLastCheckResult().isError()) { |
| System.out.print(String.format("DB configs consistency check failed. Run \"ambari-server start --skip-database-check\" to skip. " + |
| "You may try --auto-fix-database flag to attempt to fix issues automatically. " + |
| "If you use this \"--skip-database-check\" option, do not make any changes to your cluster topology " + |
| "or perform a cluster upgrade until you correct the database consistency issues. See \"%s\" " + |
| "for more details on the consistency issues.", ambariDBConsistencyCheckLog)); |
| } else { |
| System.out.print(String.format("DB configs consistency check found warnings. See \"%s\" " + |
| "for more details.", ambariDBConsistencyCheckLog)); |
| } |
| } else { |
| System.out.print("No errors and warnings were found."); |
| } |
| |
| } |
| } |
| |
| |
| } |