/*
* 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.jclouds.ssh.jsch.config;
import static com.google.common.base.Preconditions.checkNotNull;
import javax.inject.Named;
import org.jclouds.Constants;
import org.jclouds.domain.LoginCredentials;
import org.jclouds.http.handlers.BackoffLimitedRetryHandler;
import org.jclouds.proxy.ProxyConfig;
import org.jclouds.ssh.SshClient;
import org.jclouds.ssh.config.ConfiguresSshClient;
import org.jclouds.ssh.jsch.JschSshClient;
import com.google.common.base.Optional;
import com.google.common.net.HostAndPort;
import com.google.inject.AbstractModule;
import com.google.inject.Inject;
import com.google.inject.Injector;
import com.google.inject.Scopes;
import com.jcraft.jsch.agentproxy.AgentProxyException;
import com.jcraft.jsch.agentproxy.Connector;
import com.jcraft.jsch.agentproxy.ConnectorFactory;
@ConfiguresSshClient
public class JschSshClientModule extends AbstractModule {
protected void configure() {
bind(SshClient.Factory.class).to(Factory.class).in(Scopes.SINGLETON);
}
private static class Factory implements SshClient.Factory {
@Named(Constants.PROPERTY_CONNECTION_TIMEOUT)
@Inject(optional = true)
int timeout = 60000;
Optional<Connector> agentConnector = getAgentConnector();
Optional<Connector> getAgentConnector() {
try {
return Optional.of(ConnectorFactory.getDefault().createConnector());
} catch (final AgentProxyException e) {
return Optional.absent();
}
}
private final ProxyConfig proxyConfig;
private final BackoffLimitedRetryHandler backoffLimitedRetryHandler;
private final Injector injector;
@Inject
public Factory(ProxyConfig proxyConfig, BackoffLimitedRetryHandler backoffLimitedRetryHandler, Injector injector) {
this.proxyConfig = checkNotNull(proxyConfig, "proxyConfig");
this.backoffLimitedRetryHandler = checkNotNull(backoffLimitedRetryHandler, "backoffLimitedRetryHandler");
this.injector = checkNotNull(injector, "injector");
}
@Override
public SshClient create(HostAndPort socket, LoginCredentials credentials) {
SshClient client = new JschSshClient(proxyConfig, backoffLimitedRetryHandler, socket, credentials, timeout, getAgentConnector());
injector.injectMembers(client);// add logger
return client;
}
@Override
public boolean isAgentAvailable() {
return agentConnector.isPresent();
}
}
}