Java tutorial
/* * 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.virtualbox.functions; import static org.jclouds.virtualbox.config.VirtualBoxConstants.GUEST_OS_PASSWORD; import static org.jclouds.virtualbox.config.VirtualBoxConstants.GUEST_OS_USER; import javax.annotation.Resource; import javax.inject.Named; import javax.inject.Singleton; import org.jclouds.compute.reference.ComputeServiceConstants; import org.jclouds.domain.LoginCredentials; import org.jclouds.logging.Logger; import org.jclouds.ssh.SshClient; import org.jclouds.virtualbox.util.NetworkUtils; import org.virtualbox_4_2.IMachine; import org.virtualbox_4_2.INetworkAdapter; import org.virtualbox_4_2.NetworkAttachmentType; import com.google.common.base.Function; import com.google.common.base.Splitter; import com.google.common.base.Strings; import com.google.common.collect.Iterables; import com.google.common.net.HostAndPort; import com.google.inject.Inject; @Singleton public class IMachineToSshClient implements Function<IMachine, SshClient> { @Resource @Named(ComputeServiceConstants.COMPUTE_LOGGER) protected Logger logger = Logger.NULL; private final SshClient.Factory sshClientFactory; private final NetworkUtils networkUtils; @Inject public IMachineToSshClient(SshClient.Factory sshClientFactory, NetworkUtils networkUtils) { this.sshClientFactory = sshClientFactory; this.networkUtils = networkUtils; } @Override public SshClient apply(final IMachine vm) { String sshPort = "22"; String guestIdentity = vm.getExtraData(GUEST_OS_USER); String guestCredential = vm.getExtraData(GUEST_OS_PASSWORD); LoginCredentials loginCredentials = LoginCredentials.builder().user(guestIdentity).password(guestCredential) .authenticateSudo(true).build(); String clientIpAddress = null; long nicSlot = 0; while (nicSlot < 4 && Strings.isNullOrEmpty(clientIpAddress)) { INetworkAdapter networkAdapter = vm.getNetworkAdapter(nicSlot); if (networkAdapter.getAttachmentType().equals(NetworkAttachmentType.NAT)) { for (String nameProtocolnumberAddressInboudportGuestTargetport : networkAdapter.getNATEngine() .getRedirects()) { Iterable<String> stuff = Splitter.on(',') .split(nameProtocolnumberAddressInboudportGuestTargetport); String protocolNumber = Iterables.get(stuff, 1); String hostAddress = Iterables.get(stuff, 2); String inboundPort = Iterables.get(stuff, 3); String targetPort = Iterables.get(stuff, 5); if ("1".equals(protocolNumber) && "22".equals(targetPort)) { clientIpAddress = hostAddress; sshPort = inboundPort; } } } else if (networkAdapter.getAttachmentType().equals(NetworkAttachmentType.Bridged)) { clientIpAddress = networkUtils.getIpAddressFromNicSlot(vm.getName(), networkAdapter.getSlot()); } else if (networkAdapter.getAttachmentType().equals(NetworkAttachmentType.HostOnly)) { clientIpAddress = networkUtils.getValidHostOnlyIpFromVm(vm.getName()); } nicSlot++; } return sshClientFactory.create(HostAndPort.fromParts(clientIpAddress, Integer.parseInt(sshPort)), loginCredentials); } }