| /** |
| * 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.scriptbuilder.statements.ssh; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.jclouds.scriptbuilder.domain.Statements.exec; |
| import static org.jclouds.scriptbuilder.domain.Statements.newStatementList; |
| |
| import java.util.Map; |
| |
| import org.jclouds.scriptbuilder.domain.OsFamily; |
| import org.jclouds.scriptbuilder.domain.Statement; |
| |
| import com.google.common.base.Joiner; |
| import com.google.common.collect.ImmutableList; |
| |
| /** |
| * Control sshd_config |
| * |
| * @author Adrian Cole |
| */ |
| public class SshdConfig implements Statement { |
| private static final String sshdConfig = "/etc/ssh/sshd_config"; |
| |
| private final Map<String, String> params; |
| |
| public SshdConfig(Map<String, String> params) { |
| this.params = checkNotNull(params, "params"); |
| } |
| |
| public String render(OsFamily family) { |
| String linesToPrepend = Joiner.on('\n').withKeyValueSeparator(" ").join(params); |
| Statement prependSshdConfig = exec(String.format( |
| "exec 3<> %1$s && awk -v TEXT=\"%2$s\n\" 'BEGIN {print TEXT}{print}' %1$s >&3", sshdConfig, |
| linesToPrepend)); |
| Statement reloadSshdConfig = exec("hash service 2>/dev/null && service ssh reload || /etc/init.d/ssh* reload"); |
| return newStatementList(prependSshdConfig, reloadSshdConfig).render(family); |
| } |
| |
| @Override |
| public Iterable<String> functionDependencies(OsFamily family) { |
| return ImmutableList.of(); |
| } |
| } |