Java tutorial
/* * Copyright [2013] [Cloud4SOA, www.cloud4soa.eu] * * * 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 beanstalk; import com.amazonaws.AmazonClientException; import com.amazonaws.auth.AWSCredentials; import com.amazonaws.auth.BasicAWSCredentials; import com.amazonaws.services.rds.AmazonRDSClient; import com.amazonaws.services.rds.model.*; import java.util.Collection; import java.util.List; import java.util.Vector; import java.util.logging.Level; import java.util.logging.Logger; public class BeansDatabase { public DatabaseObject createDatabase(String AWSKeyId, String AWSSecretKey, String dbname, String dbType, String dbIdentifier, String dbClass, int dbSize, String dbUser, String dbPassword) {//throws Exception { DatabaseObject dbobj = new DatabaseObject(); String endpoint_str = ""; BasicAWSCredentials basic_credentials = new BasicAWSCredentials(AWSKeyId, AWSSecretKey); AmazonRDSClient rDSClient = new AmazonRDSClient(basic_credentials); //Minimum size per db type, as described in API Reference if (dbType != null && dbType.equalsIgnoreCase("MySQL") && dbSize < 5) { dbSize = 5; } if (dbType != null && (dbType.equalsIgnoreCase("oracle-se1") || dbType.equalsIgnoreCase("oracle-se") || dbType.equalsIgnoreCase("oracle-ee")) && dbSize < 10) { dbSize = 10; } CreateDBInstanceRequest create_dbinstance = new CreateDBInstanceRequest(); create_dbinstance.setDBName(dbname); create_dbinstance.setEngine(dbType); create_dbinstance.setMasterUsername(dbUser); create_dbinstance.setMasterUserPassword(dbPassword); create_dbinstance.setDBInstanceIdentifier(dbIdentifier); create_dbinstance.setAllocatedStorage(dbSize);//min size =5GB for mysql,10gb for oracle create_dbinstance.setDBInstanceClass("db.m1.small");//db.m1.small//db.m1.large//db.m1.xlarge//db.m2.xlarge//db.m2.2xlarge//db.m2.4xlarge.... String group = "c4sallowallipgroup"; Vector sec_groups = new Vector(); sec_groups.add(group); create_dbinstance.setDBSecurityGroups(sec_groups); DBInstance dbInstance_create = new DBInstance(); System.out.println("will call createDBInstance"); try { dbInstance_create = rDSClient.createDBInstance(create_dbinstance); } catch (AmazonClientException amazonClientException) { System.out.println("Error in Database Creation."); } System.out.println("called createDBInstance"); String status = ""; System.out.println("called createDBInstance"); //wait 5 minutes for the first time int busyWaitingTime = 3000;//3sec //int busyWaitingTime=300000; //int busyWaitingTime=40000; while (!status.equalsIgnoreCase("available")) { System.out.println("just got inside while"); try { System.out.println("preparing for sleep"); Thread.sleep(busyWaitingTime); System.out.println("woke up"); } catch (InterruptedException ex) { Logger.getLogger(BeansDatabase.class.getName()).log(Level.SEVERE, null, ex); } DescribeDBInstancesRequest describeDBInstancesRequest = new DescribeDBInstancesRequest(); describeDBInstancesRequest.setDBInstanceIdentifier(dbname + "cloud4soaid"); //describeDBInstancesRequest.setDBInstanceIdentifier("c4sdb2cloud4soaid"); DBInstance dbInstance = new DBInstance(); System.out.println("will call describeDBInstances"); DescribeDBInstancesResult describeDBInstances = rDSClient .describeDBInstances(describeDBInstancesRequest); System.out.println("called describeDBInstances"); List<DBInstance> dbInstances = describeDBInstances.getDBInstances(); System.out.println("size--->" + dbInstances.size()); System.out.println("status--->" + dbInstances.get(0).getDBInstanceStatus()); System.out.println("dbname--->" + dbInstances.get(0).getDBName()); dbobj.setDbhost(dbInstances.get(0).getDBInstanceStatus()); if (dbInstances.get(0).getEndpoint() != null) { System.out.println("endpoint--->" + dbInstances.get(0).getEndpoint().getAddress()); System.out.println("port--->" + dbInstances.get(0).getEndpoint().getPort()); System.out.println("all--->" + dbInstances.get(0).toString()); dbobj.setDbhost(dbInstances.get(0).getEndpoint().getAddress()); dbobj.setDbname(dbInstances.get(0).getDBName()); dbobj.setPort(dbInstances.get(0).getEndpoint().getPort()); status = dbInstances.get(0).getDBInstanceStatus(); //after the first 5 minutes test every minute busyWaitingTime = 60000; } } System.out.println("just got outside while"); System.out.println( "just got outside while and endpoint is :" + dbobj.getDbhost() + ", name is " + dbobj.getDbname()); /* * * DescribeDBInstancesRequest describeDBInstancesRequest = new * DescribeDBInstancesRequest(); * * describeDBInstancesRequest.setDBInstanceIdentifier(dbname + * "cloud4soaid"); * //describeDBInstancesRequest.setDBInstanceIdentifier("c4sdb2cloud4soaid"); * DBInstance dbInstance = new DBInstance(); * * System.out.println("will call describeDBInstances"); * DescribeDBInstancesResult describeDBInstances = * rDSClient.describeDBInstances(describeDBInstancesRequest); * System.out.println("called describeDBInstances"); * * List<DBInstance> dbInstances = describeDBInstances.getDBInstances(); * * System.out.println("size--->" + dbInstances.size()); * System.out.println("status--->" + * dbInstances.get(0).getDBInstanceStatus()); * System.out.println("dbname--->" + dbInstances.get(0).getDBName()); * dbobj.setDbhost(dbInstances.get(0).getDBInstanceStatus()); * * * if(dbInstances.get(0).getEndpoint()!=null){ * * * System.out.println("endpoint--->" + * dbInstances.get(0).getEndpoint().getAddress()); * System.out.println("port--->" + * dbInstances.get(0).getEndpoint().getPort()); * System.out.println("all--->" + dbInstances.get(0).toString()); * * dbobj.setDbhost(dbInstances.get(0).getEndpoint().getAddress()); * dbobj.setDbname(dbInstances.get(0).getDBName()); * dbobj.setPort(dbInstances.get(0).getEndpoint().getPort()); } */ return dbobj; } public DatabaseObject getDBInstanceInfo(String AWSKeyId, String AWSSecretKey, String dbname) {//throws Exception { BasicAWSCredentials basic_credentials = new BasicAWSCredentials(AWSKeyId, AWSSecretKey); AmazonRDSClient rDSClient = new AmazonRDSClient(basic_credentials); DescribeDBInstancesRequest describeDBInstancesRequest = new DescribeDBInstancesRequest(); describeDBInstancesRequest.setDBInstanceIdentifier(dbname + "cloud4soaid"); DBInstance dbInstance = new DBInstance(); DescribeDBInstancesResult describeDBInstances = rDSClient.describeDBInstances(describeDBInstancesRequest); List<DBInstance> dbInstances = describeDBInstances.getDBInstances(); System.out.println("size--->" + dbInstances.size()); System.out.println("dbname--->" + dbInstances.get(0).getDBName()); System.out.println("endpoint--->" + dbInstances.get(0).getEndpoint().getAddress()); System.out.println("port--->" + dbInstances.get(0).getEndpoint().getPort()); System.out.println("all--->" + dbInstances.get(0).toString()); DatabaseObject dbobj = new DatabaseObject(); dbobj.setDbhost(dbInstances.get(0).getEndpoint().getAddress()); dbobj.setDbname(dbInstances.get(0).getDBName()); dbobj.setPort(dbInstances.get(0).getEndpoint().getPort()); return dbobj; } public String getDBEndpoint(String AWSKeyId, String AWSSecretKey, String dbname) {//throws Exception { String endpoint_str = ""; BasicAWSCredentials basic_credentials = new BasicAWSCredentials(AWSKeyId, AWSSecretKey); AmazonRDSClient rDSClient = new AmazonRDSClient(basic_credentials); ModifyDBInstanceRequest mod_db = new ModifyDBInstanceRequest(dbname + "cloud4soaid"); DBInstance dbInstance = new DBInstance(); ////CHECK THIS. in order to make correct ModifyDBInstanceRequest an attribute must be sent for modification. ///5 (GB) is the minimum mod_db.setAllocatedStorage(6); dbInstance = rDSClient.modifyDBInstance(mod_db); Endpoint endpoint = new Endpoint(); endpoint = dbInstance.getEndpoint(); if (endpoint != null) { endpoint_str = endpoint.getAddress(); System.out.println("endpoint to string:" + endpoint_str);/////{Address: cloud4soadbid.coaodqyxxykq.us-east-1.rds.amazonaws.com, Port: 3306, } System.out.println("endpoint get address:" + endpoint.getAddress());/////cloud4soadbid.coaodqyxxykq.us-east-1.rds.amazonaws.com } return endpoint_str; } public boolean deleteDatabase(String AWSKeyId, String AWSSecretKey, String dbIdentifier) {//throws Exception { boolean ret = false; // credentials = new PropertiesCredentials(BeanstalkDeployNoGUI.class.getResourceAsStream("AwsCredentials.properties")) BasicAWSCredentials basic_credentials = new BasicAWSCredentials(AWSKeyId, AWSSecretKey); // SimpleDBUtils simpledb= new SimpleDBUtils(); AmazonRDSClient rDSClient = new AmazonRDSClient(basic_credentials); // RestoreDBInstanceFromDBSnapshotRequest req= new RestoreDBInstanceFromDBSnapshotRequest(); // req.setDBName("dbname"); // req.setPort(3306); DescribeDBInstancesRequest ddbi = new DescribeDBInstancesRequest(); DBInstance dbins = new DBInstance(); dbins.getEndpoint(); DeleteDBInstanceRequest delRequest = new DeleteDBInstanceRequest(dbIdentifier); // rDSClient.restoreDBInstanceFromDBSnapshot(req); delRequest.setSkipFinalSnapshot(true); rDSClient.deleteDBInstance(delRequest); return ret; } public boolean allowIPConnectionWithDB(String AWSKeyId, String AWSSecretKey, String dbIdentifier) {//throws Exception { boolean ret = false; String security_group = "Cloud4SoaSecGroup"; BasicAWSCredentials basic_credentials = new BasicAWSCredentials(AWSKeyId, AWSSecretKey); AmazonRDSClient rDSClient = new AmazonRDSClient(basic_credentials); //1st step-->add group cloud4soa if not exist CreateDBSecurityGroupRequest create_secGroupRequest = new CreateDBSecurityGroupRequest(security_group, "GroupGeneratedByCloud4SoaAdapter"); DBSecurityGroup securityGroup = new DBSecurityGroup(); try { securityGroup = rDSClient.createDBSecurityGroup(create_secGroupRequest); } catch (AmazonClientException amazonClientException) { System.out.print("Error when trying to add Security Group.Security Group might exist already!"); } //2nd step--> add IP to list of specific Security Group AuthorizeDBSecurityGroupIngressRequest ip2SecGroup = new AuthorizeDBSecurityGroupIngressRequest( security_group); //allow specific ip //ip2SecGroup.setCIDRIP("91.132.244.150/5"); //allow everyone ip2SecGroup.setCIDRIP("0.0.0.0/0"); try { rDSClient.authorizeDBSecurityGroupIngress(ip2SecGroup); } catch (AmazonClientException amazonClientException) { System.out.print( "Error when trying to add the specific IP address to the security group.IP might be already entered!"); } return ret; } }