// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License. Citrix Systems, Inc.
// reserves all rights not expressly granted by 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 04/03/2012
package com.cloud.network.guru;
import java.net.URI;
import javax.ejb.Local;
import org.apache.log4j.Logger;
import com.cloud.configuration.ZoneConfig;
import com.cloud.dc.DataCenter;
import com.cloud.dc.DataCenter.NetworkType;
import com.cloud.dc.DataCenterVO;
import com.cloud.dc.Pod;
import com.cloud.dc.PodVlanMapVO;
import com.cloud.dc.Vlan;
import com.cloud.dc.Vlan.VlanType;
import com.cloud.dc.dao.DataCenterDao;
import com.cloud.dc.dao.PodVlanMapDao;
import com.cloud.dc.dao.VlanDao;
import com.cloud.deploy.DeployDestination;
import com.cloud.exception.ConcurrentOperationException;
import com.cloud.exception.InsufficientAddressCapacityException;
import com.cloud.exception.InsufficientVirtualNetworkCapcityException;
import com.cloud.network.IPAddressVO;
import com.cloud.network.Network;
import com.cloud.network.NetworkManager;
import com.cloud.network.Networks.AddressFormat;
import com.cloud.network.Networks.BroadcastDomainType;
import com.cloud.network.addr.PublicIp;
import com.cloud.network.dao.IPAddressDao;
import com.cloud.offering.NetworkOffering;
import com.cloud.offerings.dao.NetworkOfferingDao;
import com.cloud.utils.component.Inject;
import com.cloud.utils.db.DB;
import com.cloud.utils.db.Transaction;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.vm.Nic.ReservationStrategy;
import com.cloud.vm.NicProfile;
import com.cloud.vm.ReservationContext;
import com.cloud.vm.VirtualMachine;
import com.cloud.vm.VirtualMachineProfile;
@Local(value = NetworkGuru.class)
public class DirectPodBasedNetworkGuru extends DirectNetworkGuru {
private static final Logger s_logger = Logger.getLogger(DirectPodBasedNetworkGuru.class);
@Inject
DataCenterDao _dcDao;
@Inject
VlanDao _vlanDao;
@Inject
NetworkManager _networkMgr;
@Inject
IPAddressDao _ipAddressDao;
@Inject
NetworkOfferingDao _networkOfferingDao;
@Inject
PodVlanMapDao _podVlanDao;
@Override
protected boolean canHandle(NetworkOffering offering, DataCenter dc) {
// this guru handles system Direct pod based network
if (dc.getNetworkType() == NetworkType.Basic && isMyTrafficType(offering.getTrafficType())) {
return true;
} else {
s_logger.trace("We only take care of Guest Direct Pod based networks");
return false;
}
}
@Override
public NicProfile allocate(Network network, NicProfile nic, VirtualMachineProfile<? extends VirtualMachine> vm) throws InsufficientVirtualNetworkCapcityException,
InsufficientAddressCapacityException, ConcurrentOperationException {
DataCenterVO dc = _dcDao.findById(network.getDataCenterId());
ReservationStrategy rsStrategy = ReservationStrategy.Start;
_dcDao.loadDetails(dc);
String dhcpStrategy = dc.getDetail(ZoneConfig.DhcpStrategy.key());
if ("external".equalsIgnoreCase(dhcpStrategy)) {
rsStrategy = ReservationStrategy.Create;
}
if (nic != null && nic.getRequestedIp() != null) {
throw new CloudRuntimeException("Does not support custom ip allocation at this time: " + nic);
}
if (nic == null) {
nic = new NicProfile(rsStrategy, null, null, null, null);
} else if (nic.getIp4Address() == null) {
nic.setStrategy(ReservationStrategy.Start);
} else {
nic.setStrategy(ReservationStrategy.Create);
}
if (rsStrategy == ReservationStrategy.Create) {
String mac = _networkMgr.getNextAvailableMacAddressInNetwork(network.getId());
nic.setMacAddress(mac);
}
return nic;
}
@Override @DB
public void reserve(NicProfile nic, Network network, VirtualMachineProfile<? extends VirtualMachine> vm, DeployDestination dest, ReservationContext context)
throws InsufficientVirtualNetworkCapcityException, InsufficientAddressCapacityException, ConcurrentOperationException {
String oldIp = nic.getIp4Address();
boolean getNewIp = false;
if (oldIp == null) {
getNewIp = true;
} else {
// we need to get a new ip address if we try to deploy a vm in a different pod
IPAddressVO ipVO = _ipAddressDao.findByIpAndSourceNetworkId(network.getId(), oldIp);
if (ipVO != null) {
PodVlanMapVO mapVO = _podVlanDao.listPodVlanMapsByVlan(ipVO.getVlanId());
if (mapVO.getPodId() != dest.getPod().getId()) {
Transaction txn = Transaction.currentTxn();
txn.start();
//release the old ip here
_networkMgr.markIpAsUnavailable(ipVO.getId());
_ipAddressDao.unassignIpAddress(ipVO.getId());
txn.commit();
nic.setIp4Address(null);
getNewIp = true;
}
}
}
if (getNewIp) {
//we don't set reservationStrategy to Create because we need this method to be called again for the case when vm fails to deploy in Pod1, and we try to redeploy it in Pod2
getIp(nic, dest.getPod(), vm, network);
}
DataCenter dc = _dcDao.findById(network.getDataCenterId());
nic.setDns1(dc.getDns1());
nic.setDns2(dc.getDns2());
}
protected void getIp(NicProfile nic, Pod pod, VirtualMachineProfile<? extends VirtualMachine> vm, Network network) throws InsufficientVirtualNetworkCapcityException,
InsufficientAddressCapacityException, ConcurrentOperationException {
DataCenter dc = _dcDao.findById(pod.getDataCenterId());
if (nic.getIp4Address() == null) {
PublicIp ip = _networkMgr.assignPublicIpAddress(dc.getId(), pod.getId(), vm.getOwner(), VlanType.DirectAttached, network.getId(), null, false);
nic.setIp4Address(ip.getAddress().toString());
nic.setFormat(AddressFormat.Ip4);
nic.setGateway(ip.getGateway());
nic.setNetmask(ip.getNetmask());
if (ip.getVlanTag() != null && ip.getVlanTag().equalsIgnoreCase(Vlan.UNTAGGED)) {
nic.setIsolationUri(URI.create("ec2://" + Vlan.UNTAGGED));
nic.setBroadcastUri(URI.create("vlan://" + Vlan.UNTAGGED));
nic.setBroadcastType(BroadcastDomainType.Native);
}
nic.setReservationId(String.valueOf(ip.getVlanTag()));
nic.setMacAddress(ip.getMacAddress());
}
nic.setDns1(dc.getDns1());
nic.setDns2(dc.getDns2());
}
}