| /** |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds 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.predicates; |
| |
| import static org.jclouds.compute.options.RunScriptOptions.Builder.wrapInInitScript; |
| |
| import javax.annotation.Nullable; |
| import javax.annotation.Resource; |
| import javax.inject.Named; |
| |
| import org.jclouds.compute.ComputeServiceContext; |
| import org.jclouds.compute.reference.ComputeServiceConstants; |
| import org.jclouds.logging.Logger; |
| import org.jclouds.ssh.SshException; |
| |
| import com.google.common.base.Predicate; |
| |
| /** |
| * |
| * @author Andrea Turli |
| */ |
| public class SshAvailable implements Predicate<String> { |
| |
| @Resource |
| @Named(ComputeServiceConstants.COMPUTE_LOGGER) |
| protected Logger logger = Logger.NULL; |
| |
| private final ComputeServiceContext context; |
| |
| public SshAvailable(ComputeServiceContext context) { |
| this.context = context; |
| } |
| |
| @Override |
| public boolean apply(@Nullable String nodeId) { |
| boolean sshDaemonIsRunning = false; |
| try { |
| if (context.getComputeService() |
| .runScriptOnNode(nodeId, "id", wrapInInitScript(false).runAsRoot(false)) |
| .getExitCode() == 0) { |
| logger.debug("Got response from ssh daemon running on %s", nodeId); |
| sshDaemonIsRunning = true; |
| } |
| } catch (SshException e) { |
| logger.debug("No response from ssh daemon running on %s", nodeId); |
| return sshDaemonIsRunning; |
| } |
| return sshDaemonIsRunning; |
| } |
| |
| @Override |
| public String toString() { |
| return "sshAvailable()"; |
| } |
| |
| } |