/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.elasticsearch.cloud.aws;
import com.amazonaws.ClientConfiguration;
import com.amazonaws.Protocol;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3Client;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.ElasticSearchIllegalArgumentException;
import org.elasticsearch.common.component.AbstractLifecycleComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsFilter;
/**
* @author kimchy (shay.banon)
*/
public class AwsS3Service extends AbstractLifecycleComponent<AwsS3Service> {
private AmazonS3Client client;
@Inject public AwsS3Service(Settings settings, SettingsFilter settingsFilter) {
super(settings);
settingsFilter.addFilter(new AwsSettingsFilter());
}
public synchronized AmazonS3 client() {
if (client != null) {
return client;
}
ClientConfiguration clientConfiguration = new ClientConfiguration();
String protocol = componentSettings.get("protocol", "http").toLowerCase();
if ("http".equals(protocol)) {
clientConfiguration.setProtocol(Protocol.HTTP);
} else if ("https".equals(protocol)) {
clientConfiguration.setProtocol(Protocol.HTTPS);
} else {
throw new ElasticSearchIllegalArgumentException("No protocol supported [" + protocol + "], can either be [http] or [https]");
}
String account = componentSettings.get("access_key", settings.get("cloud.account"));
String key = componentSettings.get("secret_key", settings.get("cloud.key"));
if (account == null) {
throw new ElasticSearchIllegalArgumentException("No s3 access_key defined for s3 gateway");
}
if (key == null) {
throw new ElasticSearchIllegalArgumentException("No s3 secret_key defined for s3 gateway");
}
String proxyHost = componentSettings.get("proxy_host");
if (proxyHost != null) {
String portString = componentSettings.get("proxy_port", "80");
Integer proxyPort;
try {
proxyPort = Integer.parseInt(portString, 10);
} catch (NumberFormatException ex) {
throw new ElasticSearchIllegalArgumentException("The configured proxy port value [" + portString + "] is invalid", ex);
}
clientConfiguration.withProxyHost(proxyHost).setProxyPort(proxyPort);
}
this.client = new AmazonS3Client(new BasicAWSCredentials(account, key), clientConfiguration);
if (componentSettings.get("s3.endpoint") != null) {
client.setEndpoint(componentSettings.get("s3.endpoint"));
} else if (componentSettings.get("region") != null) {
String endpoint;
String region = componentSettings.get("region");
if ("us-east".equals(region.toLowerCase())) {
endpoint = "s3.amazonaws.com";
} else if ("us-east-1".equals(region.toLowerCase())) {
endpoint = "s3.amazonaws.com";
} else if ("us-west".equals(region.toLowerCase())) {
endpoint = "s3-us-west-1.amazonaws.com";
} else if ("us-west-1".equals(region.toLowerCase())) {
endpoint = "s3-us-west-1.amazonaws.com";
} else if ("ap-southeast".equals(region.toLowerCase())) {
endpoint = "s3-ap-southeast-1.amazonaws.com";
} else if ("ap-southeast-1".equals(region.toLowerCase())) {
endpoint = "s3-ap-southeast-1.amazonaws.com";
} else if ("eu-west".equals(region.toLowerCase())) {
endpoint = null; // no specific endpoint for EU (still can be used for region)
} else if ("eu-west-1".equals(region.toLowerCase())) {
endpoint = null; // no specific endpoint for EU (still can be used for region)
} else {
throw new ElasticSearchIllegalArgumentException("No automatic endpoint could be derived from region [" + region + "]");
}
if (endpoint != null) {
client.setEndpoint(endpoint);
}
}
return this.client;
}
@Override protected void doStart() throws ElasticSearchException {
}
@Override protected void doStop() throws ElasticSearchException {
}
@Override protected void doClose() throws ElasticSearchException {
if (client != null) {
client.shutdown();
}
}
}