org.apache.usergrid.chop.api.store.amazon.AmazonUtils.java Source code

Introduction

Here is the source code for org.apache.usergrid.chop.api.store.amazon.AmazonUtils.java

Source

/*
 * 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.usergrid.chop.api.store.amazon;

import com.amazonaws.ClientConfiguration;
import com.amazonaws.Protocol;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.AWSCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.auth.DefaultAWSCredentialsProviderChain;
import com.amazonaws.internal.StaticCredentialsProvider;
import com.amazonaws.services.ec2.AmazonEC2Client;

public class AmazonUtils {

    /**
     * @param accessKey
     * @param secretKey
     * @return
     */
    public static AmazonEC2Client getEC2Client(String accessKey, String secretKey) {
        AWSCredentialsProvider provider;
        if (accessKey != null && secretKey != null) {
            AWSCredentials credentials = new BasicAWSCredentials(accessKey, secretKey);
            provider = new StaticCredentialsProvider(credentials);
        } else {
            provider = new DefaultAWSCredentialsProviderChain();
        }

        AmazonEC2Client client = new AmazonEC2Client(provider);

        ClientConfiguration configuration = new ClientConfiguration();
        configuration.setProtocol(Protocol.HTTPS);
        client.setConfiguration(configuration);
        return client;
    }

    public static String getEndpoint(String availabilityZone) {
        // see http://docs.aws.amazon.com/general/latest/gr/rande.html#ec2_region
        if (availabilityZone != null) {
            if (availabilityZone.contains("us-east-1")) {
                return "ec2.us-east-1.amazonaws.com";
            } else if (availabilityZone.contains("us-west-1")) {
                return "ec2.us-west-1.amazonaws.com";
            } else if (availabilityZone.contains("us-west-2")) {
                return "ec2.us-west-2.amazonaws.com";
            } else if (availabilityZone.contains("eu-west-1")) {
                return "ec2.eu-west-1.amazonaws.com";
            } else if (availabilityZone.contains("ap-southeast-1")) {
                return "ec2.ap-southeast-1.amazonaws.com";
            } else if (availabilityZone.contains("ap-southeast-2")) {
                return "ec2.ap-southeast-2.amazonaws.com";
            } else if (availabilityZone.contains("ap-northeast-1")) {
                return "ec2.ap-northeast-1.amazonaws.com";
            } else if (availabilityZone.contains("sa-east-1")) {
                return "ec2.sa-east-1.amazonaws.com";
            } else {
                return "ec2.us-east-1.amazonaws.com";
            }
        } else {
            return "ec2.us-east-1.amazonaws.com";
        }
    }
}