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//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
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package com.cloud.network.guru;
import java.util.List;
import javax.inject.Inject;
import org.apache.cloudstack.engine.orchestration.service.NetworkOrchestrationService;
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.VlanVO;
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.InsufficientVirtualNetworkCapacityException;
import com.cloud.network.IpAddressManager;
import com.cloud.network.Network;
import com.cloud.network.Networks.AddressFormat;
import com.cloud.network.Networks.BroadcastDomainType;
import com.cloud.network.Networks.IsolationType;
import com.cloud.network.addr.PublicIp;
import com.cloud.network.dao.IPAddressDao;
import com.cloud.network.dao.IPAddressVO;
import com.cloud.offering.NetworkOffering;
import com.cloud.offerings.dao.NetworkOfferingDao;
import com.cloud.utils.db.DB;
import com.cloud.utils.db.Transaction;
import com.cloud.utils.db.TransactionCallbackNoReturn;
import com.cloud.utils.db.TransactionCallbackWithExceptionNoReturn;
import com.cloud.utils.db.TransactionStatus;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.utils.net.NetUtils;
import com.cloud.vm.Nic;
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;
import com.googlecode.ipv6.IPv6Address;
public class DirectPodBasedNetworkGuru extends DirectNetworkGuru {
private static final Logger s_logger = Logger.getLogger(DirectPodBasedNetworkGuru.class);
@Inject
DataCenterDao _dcDao;
@Inject
VlanDao _vlanDao;
@Inject
NetworkOrchestrationService _networkMgr;
@Inject
IPAddressDao _ipAddressDao;
@Inject
NetworkOfferingDao _networkOfferingDao;
@Inject
PodVlanMapDao _podVlanDao;
@Inject
IpAddressManager _ipAddrMgr;
@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 vm) throws InsufficientVirtualNetworkCapacityException,
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.getRequestedIPv4() != 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.getIPv4Address() == null) {
nic.setReservationStrategy(ReservationStrategy.Start);
} else {
nic.setReservationStrategy(ReservationStrategy.Create);
}
if (rsStrategy == ReservationStrategy.Create) {
String mac = _networkModel.getNextAvailableMacAddressInNetwork(network.getId());
nic.setMacAddress(mac);
}
return nic;
}
@Override
@DB
public void reserve(NicProfile nic, Network network, VirtualMachineProfile vm, DeployDestination dest, ReservationContext context)
throws InsufficientVirtualNetworkCapacityException, InsufficientAddressCapacityException, ConcurrentOperationException {
String oldIp = nic.getIPv4Address();
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
final IPAddressVO ipVO = _ipAddressDao.findByIpAndSourceNetworkId(network.getId(), oldIp);
if (ipVO != null) {
PodVlanMapVO mapVO = _podVlanDao.listPodVlanMapsByVlan(ipVO.getVlanId());
if (mapVO.getPodId() != dest.getPod().getId()) {
Transaction.execute(new TransactionCallbackNoReturn() {
@Override
public void doInTransactionWithoutResult(TransactionStatus status) {
//release the old ip here
_ipAddrMgr.markIpAsUnavailable(ipVO.getId());
_ipAddressDao.unassignIpAddress(ipVO.getId());
}
});
nic.setIPv4Address(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.setIPv4Dns1(dc.getDns1());
nic.setIPv4Dns2(dc.getDns2());
}
@DB
protected void getIp(final NicProfile nic, final Pod pod, final VirtualMachineProfile vm, final Network network) throws InsufficientVirtualNetworkCapacityException,
InsufficientAddressCapacityException, ConcurrentOperationException {
final DataCenter dc = _dcDao.findById(pod.getDataCenterId());
Transaction.execute(new TransactionCallbackWithExceptionNoReturn<InsufficientAddressCapacityException>() {
@Override
public void doInTransactionWithoutResult(TransactionStatus status) throws InsufficientAddressCapacityException {
PublicIp ip = null;
List<PodVlanMapVO> podRefs = _podVlanDao.listPodVlanMapsByPod(pod.getId());
VlanVO vlan = _vlanDao.findById(podRefs.get(0).getVlanDbId());
if (nic.getIPv4Address() == null) {
String podRangeGateway = null;
if (!podRefs.isEmpty()) {
podRangeGateway = vlan.getVlanGateway();
}
//Get ip address from the placeholder and don't allocate a new one
if (vm.getType() == VirtualMachine.Type.DomainRouter) {
Nic placeholderNic = _networkModel.getPlaceholderNicForRouter(network, pod.getId());
if (placeholderNic != null) {
IPAddressVO userIp = _ipAddressDao.findByIpAndSourceNetworkId(network.getId(), placeholderNic.getIPv4Address());
ip = PublicIp.createFromAddrAndVlan(userIp, _vlanDao.findById(userIp.getVlanId()));
s_logger.debug("Nic got an ip address " + placeholderNic.getIPv4Address() + " stored in placeholder nic for the network " + network +
" and gateway " + podRangeGateway);
}
}
if (ip == null) {
ip = _ipAddrMgr.assignPublicIpAddress(dc.getId(), pod.getId(), vm.getOwner(), VlanType.DirectAttached, network.getId(), null, false);
}
nic.setIPv4Address(ip.getAddress().toString());
nic.setFormat(AddressFormat.Ip4);
nic.setIPv4Gateway(ip.getGateway());
nic.setIPv4Netmask(ip.getNetmask());
if (ip.getVlanTag() != null && ip.getVlanTag().equalsIgnoreCase(Vlan.UNTAGGED)) {
nic.setIsolationUri(IsolationType.Ec2.toUri(Vlan.UNTAGGED));
nic.setBroadcastUri(BroadcastDomainType.Vlan.toUri(Vlan.UNTAGGED));
nic.setBroadcastType(BroadcastDomainType.Native);
}
nic.setReservationId(String.valueOf(ip.getVlanTag()));
nic.setMacAddress(ip.getMacAddress());
//save the placeholder nic if the vm is the Virtual router
if (vm.getType() == VirtualMachine.Type.DomainRouter) {
Nic placeholderNic = _networkModel.getPlaceholderNicForRouter(network, pod.getId());
if (placeholderNic == null) {
s_logger.debug("Saving placeholder nic with ip4 address " + nic.getIPv4Address() + " for the network " + network);
_networkMgr.savePlaceholderNic(network, nic.getIPv4Address(), null, VirtualMachine.Type.DomainRouter);
}
}
}
/**
* Calculate the IPv6 Address the Instance will obtain using SLAAC and IPv6 EUI-64
*
* Linux, FreeBSD and Windows all calculate the same IPv6 address when configured properly.
*
* Using Router Advertisements the routers in the network should announce the IPv6 CIDR which is configured
* in in the vlan table in the database.
*
* This way the NIC will be populated with a IPv6 address on which the Instance is reachable.
*/
if (vlan.getIp6Cidr() != null) {
if (nic.getIPv6Address() == null) {
s_logger.debug("Found IPv6 CIDR " + vlan.getIp6Cidr() + " for VLAN " + vlan.getId());
nic.setIPv6Cidr(vlan.getIp6Cidr());
nic.setIPv6Gateway(vlan.getIp6Gateway());
IPv6Address ipv6addr = NetUtils.EUI64Address(vlan.getIp6Cidr(), nic.getMacAddress());
s_logger.info("Calculated IPv6 address " + ipv6addr + " using EUI-64 for NIC " + nic.getUuid());
nic.setIPv6Address(ipv6addr.toString());
}
} else {
s_logger.debug("No IPv6 CIDR configured for VLAN " + vlan.getId());
}
}
});
nic.setIPv4Dns1(dc.getDns1());
nic.setIPv4Dns2(dc.getDns2());
}
}