
com.groupon.deployment.SshjSessionFactory Maven / Gradle / Ivy
/**
* Copyright 2015 Groupon.com
*
* Licensed 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 com.groupon.deployment;
import com.google.common.collect.Lists;
import com.google.inject.Inject;
import com.typesafe.config.Config;
import net.schmizz.sshj.DefaultConfig;
import net.schmizz.sshj.SSHClient;
import net.schmizz.sshj.common.Factory;
import net.schmizz.sshj.transport.verification.PromiscuousVerifier;
import net.schmizz.sshj.userauth.keyprovider.FileKeyProvider;
import net.schmizz.sshj.userauth.keyprovider.KeyProvider;
import net.schmizz.sshj.userauth.keyprovider.PKCS5KeyFile;
import java.io.IOException;
import java.util.List;
/**
* A factory for creating ssh sessions.
*
* @author Brandon Arp (barp at groupon dot com)
*/
public class SshjSessionFactory implements SshSessionFactory {
/**
* Public constructor.
*
* @param config Artemis configuration
*/
@Inject
public SshjSessionFactory(final Config config) {
_userName = config.getString("ssh.user");
_keyPath = config.getString("ssh.keyFile");
}
@Override
public SSHClient create(final String host) {
try {
final DefaultConfig config = new DefaultConfig();
final List> keyProviders = Lists.newArrayList();
keyProviders.add(new PKCS5KeyFile.Factory());
config.setFileKeyProviderFactories(keyProviders);
final SSHClient client = new SSHClient(config);
final KeyProvider keys = client.loadKeys(_keyPath);
client.addHostKeyVerifier(new PromiscuousVerifier());
client.connect(host);
client.authPublickey(_userName, keys);
return client;
} catch (final IOException e) {
throw new RuntimeException(e);
}
}
private final String _userName;
private final String _keyPath;
}
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