| // 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 com.cloud.network; |
| |
| import static com.cloud.utils.AutoCloseableUtil.closeAutoCloseable; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.net.URLConnection; |
| import java.util.Map; |
| |
| import javax.inject.Inject; |
| import javax.naming.ConfigurationException; |
| |
| |
| import org.apache.cloudstack.framework.config.dao.ConfigurationDao; |
| |
| import com.cloud.dc.dao.VlanDao; |
| import com.cloud.network.dao.IPAddressDao; |
| import com.cloud.utils.component.AdapterBase; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| |
| public class ExternalIpAddressAllocator extends AdapterBase implements IpAddrAllocator { |
| @Inject |
| ConfigurationDao _configDao = null; |
| @Inject |
| IPAddressDao _ipAddressDao = null; |
| @Inject |
| VlanDao _vlanDao; |
| private boolean _isExternalIpAllocatorEnabled = false; |
| private String _externalIpAllocatorUrl = null; |
| |
| @Override |
| public IpAddr getPrivateIpAddress(String macAddr, long dcId, long podId) { |
| if (_externalIpAllocatorUrl == null || _externalIpAllocatorUrl.equalsIgnoreCase("")) { |
| return new IpAddr(); |
| } |
| String urlString = _externalIpAllocatorUrl + "?command=getIpAddr&mac=" + macAddr + "&dc=" + dcId + "&pod=" + podId; |
| logger.debug("getIP:" + urlString); |
| |
| BufferedReader in = null; |
| try { |
| URL url = new URL(urlString); |
| URLConnection conn = url.openConnection(); |
| conn.setReadTimeout(30000); |
| |
| in = new BufferedReader(new InputStreamReader(conn.getInputStream())); |
| String inputLine; |
| while ((inputLine = in.readLine()) != null) { |
| logger.debug(inputLine); |
| String[] tokens = inputLine.split(","); |
| if (tokens.length != 3) { |
| logger.debug("the return value should be: mac,netmask,gateway"); |
| return new IpAddr(); |
| } |
| return new IpAddr(tokens[0], tokens[1], tokens[2]); |
| } |
| |
| return new IpAddr(); |
| } catch (MalformedURLException e) { |
| throw new CloudRuntimeException("URL is malformed " + urlString, e); |
| } catch (IOException e) { |
| return new IpAddr(); |
| } finally { |
| closeAutoCloseable(in, "closing buffered reader"); |
| } |
| |
| } |
| |
| @Override |
| public IpAddr getPublicIpAddress(String macAddr, long dcId, long podId) { |
| /*TODO: call API to get ip address from external DHCP server*/ |
| return getPrivateIpAddress(macAddr, dcId, podId); |
| } |
| |
| @Override |
| public boolean releasePrivateIpAddress(String ip, long dcId, long podId) { |
| /*TODO: call API to release the ip address from external DHCP server*/ |
| if (_externalIpAllocatorUrl == null || _externalIpAllocatorUrl.equalsIgnoreCase("")) { |
| return false; |
| } |
| |
| String urlString = _externalIpAllocatorUrl + "?command=releaseIpAddr&ip=" + ip + "&dc=" + dcId + "&pod=" + podId; |
| |
| logger.debug("releaseIP:" + urlString); |
| BufferedReader in = null; |
| try { |
| URL url = new URL(urlString); |
| URLConnection conn = url.openConnection(); |
| conn.setReadTimeout(30000); |
| |
| in = new BufferedReader(new InputStreamReader(conn.getInputStream())); |
| |
| return true; |
| } catch (MalformedURLException e) { |
| throw new CloudRuntimeException("URL is malformed " + urlString, e); |
| } catch (IOException e) { |
| return false; |
| } finally { |
| closeAutoCloseable(in, "buffered reader close"); |
| } |
| } |
| |
| @Override |
| public boolean releasePublicIpAddress(String ip, long dcId, long podId) { |
| /*TODO: call API to release the ip address from external DHCP server*/ |
| return releasePrivateIpAddress(ip, dcId, podId); |
| } |
| |
| @Override |
| public boolean externalIpAddressAllocatorEnabled() { |
| return _isExternalIpAllocatorEnabled; |
| } |
| |
| @Override |
| public boolean configure(String name, Map<String, Object> params) throws ConfigurationException { |
| _isExternalIpAllocatorEnabled = Boolean.parseBoolean(_configDao.getValue("direct.attach.network.externalIpAllocator.enabled")); |
| _externalIpAllocatorUrl = _configDao.getValue("direct.attach.network.externalIpAllocator.url"); |
| _name = name; |
| |
| return true; |
| } |
| |
| @Override |
| public String getName() { |
| return _name; |
| } |
| |
| @Override |
| public boolean start() { |
| return true; |
| } |
| |
| @Override |
| public boolean stop() { |
| return true; |
| } |
| } |