content: // 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.
  //
  // Automatically generated by addcopyright.py at 01/29/2013
  // Apache License, Version 2.0 (the "License"); you may not use this
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  //
  // Automatically generated by addcopyright.py at 04/03/2012
  package com.cloud.baremetal.networkservice;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import javax.naming.ConfigurationException;
  
  
  import com.trilead.ssh2.SCPClient;
  
  import com.cloud.agent.api.Answer;
  import com.cloud.agent.api.Command;
  import com.cloud.agent.api.HostVmStateReportEntry;
  import com.cloud.agent.api.PingCommand;
  import com.cloud.agent.api.PingRoutingCommand;
  import com.cloud.agent.api.routing.DhcpEntryCommand;
  import com.cloud.utils.script.Script;
  import com.cloud.utils.ssh.SSHCmdHelper;
  
  public class BaremetalDnsmasqResource extends BaremetalDhcpResourceBase {
  
      @Override
      public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
          com.trilead.ssh2.Connection sshConnection = null;
          try {
              super.configure(name, params);
              logger.debug(String.format("Trying to connect to DHCP server(IP=%1$s, username=%2$s, password=%3$s)", _ip, _username, _password));
              sshConnection = SSHCmdHelper.acquireAuthorizedConnection(_ip, _username, _password);
              if (sshConnection == null) {
                  throw new ConfigurationException(String.format("Cannot connect to DHCP server(IP=%1$s, username=%2$s, password=%3$s", _ip, _username, _password));
              }
  
              if (!SSHCmdHelper.sshExecuteCmd(sshConnection, "[ -f '/usr/sbin/dnsmasq' ]")) {
                  throw new ConfigurationException("Cannot find dnsmasq at /usr/sbin/dnsmasq on " + _ip);
              }
  
              SCPClient scp = new SCPClient(sshConnection);
  
              String editHosts = "scripts/network/exdhcp/dnsmasq_edithosts.sh";
              String editHostsPath = Script.findScript("", editHosts);
              if (editHostsPath == null) {
                  throw new ConfigurationException("Can not find script dnsmasq_edithosts.sh at " + editHosts);
              }
              scp.put(editHostsPath, "/usr/bin/", "0755");
  
              String prepareDnsmasq = "scripts/network/exdhcp/prepare_dnsmasq.sh";
              String prepareDnsmasqPath = Script.findScript("", prepareDnsmasq);
              if (prepareDnsmasqPath == null) {
                  throw new ConfigurationException("Can not find script prepare_dnsmasq.sh at " + prepareDnsmasq);
              }
              scp.put(prepareDnsmasqPath, "/usr/bin/", "0755");
  
              /*
              String prepareCmd = String.format("sh /usr/bin/prepare_dnsmasq.sh %1$s %2$s %3$s", _gateway, _dns, _ip);
              if (!SSHCmdHelper.sshExecuteCmd(sshConnection, prepareCmd)) {
                  throw new ConfigurationException("prepare dnsmasq at " + _ip + " failed");
              }
              */
  
              logger.debug("Dnsmasq resource configure successfully");
              return true;
          } catch (Exception e) {
              logger.debug("Dnsmasq resorce configure failed", e);
              throw new ConfigurationException(e.getMessage());
          } finally {
              SSHCmdHelper.releaseSshConnection(sshConnection);
          }
      }
  
      @Override
      public PingCommand getCurrentStatus(long id) {
          com.trilead.ssh2.Connection sshConnection = SSHCmdHelper.acquireAuthorizedConnection(_ip, _username, _password);
          if (sshConnection == null) {
              return null;
          } else {
              SSHCmdHelper.releaseSshConnection(sshConnection);
              return new PingRoutingCommand(getType(), id, new HashMap<String, HostVmStateReportEntry>());
          }
      }
  
      Answer execute(DhcpEntryCommand cmd) {
          com.trilead.ssh2.Connection sshConnection = null;
          try {
              sshConnection = SSHCmdHelper.acquireAuthorizedConnection(_ip, _username, _password);
              if (sshConnection == null) {
                  return new Answer(cmd, false, "ssh authenticate failed");
              }
              String addDhcp = String.format("/usr/bin/dnsmasq_edithosts.sh %1$s %2$s %3$s", cmd.getVmMac(), cmd.getVmIpAddress(), cmd.getVmName());
              if (!SSHCmdHelper.sshExecuteCmd(sshConnection, addDhcp)) {
                  return new Answer(cmd, false, "add Dhcp entry failed");
              } else {
                  return new Answer(cmd);
              }
          } finally {
              SSHCmdHelper.releaseSshConnection(sshConnection);
          }
      }
  
      @Override
      public Answer executeRequest(Command cmd) {
          if (cmd instanceof DhcpEntryCommand) {
              return execute((DhcpEntryCommand)cmd);
          } else {
              return super.executeRequest(cmd);
          }
      }
  }
  