mirror of https://github.com/apache/cloudstack.git
120 lines
4.6 KiB
Java
120 lines
4.6 KiB
Java
// Copyright 2012 Citrix Systems, Inc. Licensed under the
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// Apache License, Version 2.0 (the "License"); you may not use this
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// file except in compliance with the License. Citrix Systems, Inc.
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// reserves all rights not expressly granted by the License.
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// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Automatically generated by addcopyright.py at 04/03/2012
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package com.cloud.baremetal;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Map;
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import javax.naming.ConfigurationException;
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import org.apache.log4j.Logger;
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import com.cloud.agent.api.Answer;
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import com.cloud.agent.api.Command;
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import com.cloud.agent.api.PingCommand;
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import com.cloud.agent.api.PingRoutingCommand;
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import com.cloud.agent.api.routing.DhcpEntryCommand;
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import com.cloud.utils.script.Script;
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import com.cloud.utils.ssh.SSHCmdHelper;
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import com.cloud.vm.VirtualMachine.State;
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import com.trilead.ssh2.SCPClient;
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public class DnsmasqResource extends ExternalDhcpResourceBase {
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private static final Logger s_logger = Logger.getLogger(DnsmasqResource.class);
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public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
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com.trilead.ssh2.Connection sshConnection = null;
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try {
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super.configure(name, params);
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s_logger.debug(String.format("Trying to connect to DHCP server(IP=%1$s, username=%2$s, password=%3$s)", _ip, _username, _password));
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sshConnection = SSHCmdHelper.acquireAuthorizedConnection(_ip, _username, _password);
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if (sshConnection == null) {
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throw new ConfigurationException(
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String.format("Cannot connect to DHCP server(IP=%1$s, username=%2$s, password=%3$s", _ip, _username, _password));
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}
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if (!SSHCmdHelper.sshExecuteCmd(sshConnection, "[ -f '/usr/sbin/dnsmasq' ]")) {
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throw new ConfigurationException("Cannot find dnsmasq at /usr/sbin/dnsmasq on " + _ip);
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}
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SCPClient scp = new SCPClient(sshConnection);
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String editHosts = "scripts/network/exdhcp/dnsmasq_edithosts.sh";
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String editHostsPath = Script.findScript("", editHosts);
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if (editHostsPath == null) {
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throw new ConfigurationException("Can not find script dnsmasq_edithosts.sh at " + editHosts);
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}
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scp.put(editHostsPath, "/usr/bin/", "0755");
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String prepareDnsmasq = "scripts/network/exdhcp/prepare_dnsmasq.sh";
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String prepareDnsmasqPath = Script.findScript("", prepareDnsmasq);
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if (prepareDnsmasqPath == null) {
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throw new ConfigurationException("Can not find script prepare_dnsmasq.sh at " + prepareDnsmasq);
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}
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scp.put(prepareDnsmasqPath, "/usr/bin/", "0755");
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String prepareCmd = String.format("sh /usr/bin/prepare_dnsmasq.sh %1$s %2$s %3$s", _gateway, _dns, _ip);
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if (!SSHCmdHelper.sshExecuteCmd(sshConnection, prepareCmd)) {
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throw new ConfigurationException("prepare dnsmasq at " + _ip + " failed");
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}
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s_logger.debug("Dnsmasq resource configure successfully");
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return true;
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} catch (Exception e) {
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s_logger.debug("Dnsmasq resorce configure failed", e);
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throw new ConfigurationException(e.getMessage());
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} finally {
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SSHCmdHelper.releaseSshConnection(sshConnection);
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}
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}
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@Override
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public PingCommand getCurrentStatus(long id) {
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com.trilead.ssh2.Connection sshConnection = SSHCmdHelper.acquireAuthorizedConnection(_ip, _username, _password);
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if (sshConnection == null) {
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return null;
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} else {
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SSHCmdHelper.releaseSshConnection(sshConnection);
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return new PingRoutingCommand(getType(), id, new HashMap<String, State>());
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}
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}
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Answer execute(DhcpEntryCommand cmd) {
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com.trilead.ssh2.Connection sshConnection = null;
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try {
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sshConnection = SSHCmdHelper.acquireAuthorizedConnection(_ip, _username, _password);
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if (sshConnection == null) {
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return new Answer(cmd, false, "ssh authenticate failed");
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}
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String addDhcp = String.format("/usr/bin/dnsmasq_edithosts.sh %1$s %2$s %3$s", cmd.getVmMac(), cmd.getVmIpAddress(), cmd.getVmName());
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if (!SSHCmdHelper.sshExecuteCmd(sshConnection, addDhcp)) {
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return new Answer(cmd, false, "add Dhcp entry failed");
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} else {
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return new Answer(cmd);
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}
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} finally {
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SSHCmdHelper.releaseSshConnection(sshConnection);
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}
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}
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@Override
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public Answer executeRequest(Command cmd) {
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if (cmd instanceof DhcpEntryCommand) {
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return execute((DhcpEntryCommand)cmd);
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} else {
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return super.executeRequest(cmd);
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}
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}
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}
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