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// 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
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// KIND, either express or implied. See the License for the
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// under the License.
package com.cloud.network.guru;
import java.util.List;
import javax.inject.Inject;
import org.apache.cloudstack.engine.orchestration.service.NetworkOrchestrationService;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
import com.cloud.dc.DataCenter;
import com.cloud.dc.DataCenter.NetworkType;
import com.cloud.dc.dao.DataCenterDao;
import com.cloud.dc.dao.VlanDao;
import com.cloud.deploy.DeployDestination;
import com.cloud.deploy.DeploymentPlan;
import com.cloud.exception.ConcurrentOperationException;
import com.cloud.exception.InsufficientAddressCapacityException;
import com.cloud.exception.InsufficientCapacityException;
import com.cloud.exception.InsufficientVirtualNetworkCapacityException;
import com.cloud.exception.InvalidParameterValueException;
import com.cloud.network.IpAddressManager;
import com.cloud.network.Network;
import com.cloud.network.Network.GuestType;
import com.cloud.network.Network.Service;
import com.cloud.network.Network.State;
import com.cloud.network.NetworkModel;
import com.cloud.network.NetworkProfile;
import com.cloud.network.NetworkService;
import com.cloud.network.Networks.BroadcastDomainType;
import com.cloud.network.Networks.Mode;
import com.cloud.network.Networks.TrafficType;
import com.cloud.network.PhysicalNetwork;
import com.cloud.network.PhysicalNetwork.IsolationMethod;
import com.cloud.network.dao.IPAddressDao;
import com.cloud.network.dao.IPAddressVO;
import com.cloud.network.dao.NetworkVO;
import com.cloud.network.dao.PhysicalNetworkDao;
import com.cloud.network.dao.PhysicalNetworkVO;
import com.cloud.offering.NetworkOffering;
import com.cloud.offerings.dao.NetworkOfferingServiceMapDao;
import com.cloud.user.Account;
import com.cloud.utils.Pair;
import com.cloud.utils.component.AdapterBase;
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.exception.ExceptionUtil;
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.NicVO;
import com.cloud.vm.ReservationContext;
import com.cloud.vm.VirtualMachine;
import com.cloud.vm.VirtualMachineProfile;
import com.cloud.vm.dao.NicDao;
import com.cloud.vm.dao.NicSecondaryIpDao;
import com.cloud.vm.dao.NicSecondaryIpVO;
public class DirectNetworkGuru extends AdapterBase implements NetworkGuru {
private static final Logger s_logger = Logger.getLogger(DirectNetworkGuru.class);
@Inject
DataCenterDao _dcDao;
@Inject
VlanDao _vlanDao;
@Inject
NetworkModel _networkModel;
@Inject
NetworkOrchestrationService _networkMgr;
@Inject
IPAddressDao _ipAddressDao;
@Inject
NicSecondaryIpDao _nicSecondaryIpDao;
@Inject
NicDao _nicDao;
@Inject
IpAddressManager _ipAddrMgr;
@Inject
NetworkOfferingServiceMapDao _ntwkOfferingSrvcDao;
@Inject
PhysicalNetworkDao _physicalNetworkDao;
@Inject
private NetworkService networkService;
@Inject
private NicSecondaryIpDao nicSecondaryIpDao;
private static final TrafficType[] TrafficTypes = {TrafficType.Guest};
protected IsolationMethod[] _isolationMethods;
@Override
public boolean isMyTrafficType(TrafficType type) {
for (TrafficType t : TrafficTypes) {
if (t == type) {
return true;
}
}
return false;
}
/**
* Return true if the physical network isolation method contains the expected isolation method for this guru
*/
protected boolean isMyIsolationMethod(PhysicalNetwork physicalNetwork) {
for (IsolationMethod m : this.getIsolationMethods()) {
List<String> isolationMethods = physicalNetwork.getIsolationMethods();
if (CollectionUtils.isNotEmpty(isolationMethods)) {
for (String method : isolationMethods) {
s_logger.debug(method + ": " + m.toString());
if (method.equalsIgnoreCase(m.toString())) {
return true;
}
}
}
}
return false;
}
@Override
public TrafficType[] getSupportedTrafficType() {
return TrafficTypes;
}
protected boolean canHandle(NetworkOffering offering, DataCenter dc, PhysicalNetwork physnet) {
if (dc.getNetworkType() == NetworkType.Advanced
&& isMyTrafficType(offering.getTrafficType())
&& isMyIsolationMethod(physnet)
&& offering.getGuestType() == GuestType.Shared
&& !_ntwkOfferingSrvcDao.isProviderForNetworkOffering(offering.getId(), Network.Provider.NiciraNvp)) {
return true;
} else if (dc.getNetworkType() == NetworkType.Advanced
&& offering.getGuestType() == GuestType.Shared
&& ! _ntwkOfferingSrvcDao.isProviderForNetworkOffering(offering.getId(), Network.Provider.Ovs)
&& physnet.getIsolationMethods().contains("GRE")) {
return true;
} else {
s_logger.trace("We only take care of Shared Guest networks without Ovs or NiciraNvp provider");
return false;
}
}
@Override
public Network design(NetworkOffering offering, DeploymentPlan plan, Network userSpecified, Account owner) {
DataCenter dc = _dcDao.findById(plan.getDataCenterId());
PhysicalNetworkVO physnet = _physicalNetworkDao.findById(plan.getPhysicalNetworkId());
if (!canHandle(offering, dc, physnet)) {
s_logger.info("Refusing to design this network");
return null;
}
State state = State.Allocated;
if (dc.getNetworkType() == NetworkType.Basic) {
state = State.Setup;
}
NetworkVO config =
new NetworkVO(offering.getTrafficType(), Mode.Dhcp, BroadcastDomainType.Vlan, offering.getId(), state, plan.getDataCenterId(),
plan.getPhysicalNetworkId(), offering.isRedundantRouter());
if (userSpecified != null) {
if ((userSpecified.getCidr() == null && userSpecified.getGateway() != null) || (userSpecified.getCidr() != null && userSpecified.getGateway() == null)) {
throw new InvalidParameterValueException("cidr and gateway must be specified together.");
}
if ((userSpecified.getIp6Cidr() == null && userSpecified.getIp6Gateway() != null) ||
(userSpecified.getIp6Cidr() != null && userSpecified.getIp6Gateway() == null)) {
throw new InvalidParameterValueException("cidrv6 and gatewayv6 must be specified together.");
}
if (userSpecified.getCidr() != null) {
config.setCidr(userSpecified.getCidr());
config.setGateway(userSpecified.getGateway());
}
if (userSpecified.getIp6Cidr() != null) {
config.setIp6Cidr(userSpecified.getIp6Cidr());
config.setIp6Gateway(userSpecified.getIp6Gateway());
}
if (userSpecified.getBroadcastUri() != null) {
config.setBroadcastUri(userSpecified.getBroadcastUri());
config.setState(State.Setup);
}
if (userSpecified.getBroadcastDomainType() != null) {
config.setBroadcastDomainType(userSpecified.getBroadcastDomainType());
}
if (userSpecified.getPvlanType() != null) {
config.setPvlanType(userSpecified.getPvlanType());
}
if (userSpecified.getRouterIp() != null) {
config.setRouterIp(userSpecified.getRouterIp());
}
if (userSpecified.getRouterIpv6() != null) {
config.setRouterIpv6(userSpecified.getRouterIpv6());
}
if (userSpecified.getPublicMtu() != null) {
config.setPublicMtu(userSpecified.getPublicMtu());
}
if (userSpecified.getPrivateMtu() != null) {
config.setPrivateMtu(userSpecified.getPrivateMtu());
}
if (StringUtils.isNotBlank(userSpecified.getDns1())) {
config.setDns1(userSpecified.getDns1());
}
if (StringUtils.isNotBlank(userSpecified.getDns2())) {
config.setDns2(userSpecified.getDns2());
}
if (StringUtils.isNotBlank(userSpecified.getIp6Dns1())) {
config.setIp6Dns1(userSpecified.getIp6Dns1());
}
if (StringUtils.isNotBlank(userSpecified.getIp6Dns2())) {
config.setIp6Dns2(userSpecified.getIp6Dns2());
}
}
boolean isSecurityGroupEnabled = _networkModel.areServicesSupportedByNetworkOffering(offering.getId(), Service.SecurityGroup);
if (isSecurityGroupEnabled) {
config.setName("SecurityGroupEnabledNetwork");
config.setDisplayText("SecurityGroupEnabledNetwork");
}
return config;
}
protected DirectNetworkGuru() {
super();
_isolationMethods = new IsolationMethod[] { new IsolationMethod("VLAN"), new IsolationMethod("VXLAN") };
}
public IsolationMethod[] getIsolationMethods() {
return _isolationMethods;
}
@Override
public void updateNicProfile(NicProfile profile, Network network) {
DataCenter dc = _dcDao.findById(network.getDataCenterId());
Pair<String, String> ip4Dns = _networkModel.getNetworkIp4Dns(network, dc);
Pair<String, String> ip6Dns = _networkModel.getNetworkIp6Dns(network, dc);
if (profile != null) {
profile.setIPv4Dns1(ip4Dns.first());
profile.setIPv4Dns2(ip4Dns.second());
profile.setIPv6Dns1(ip6Dns.first());
profile.setIPv6Dns2(ip6Dns.second());
}
}
@Override
public NicProfile allocate(Network network, NicProfile nic, VirtualMachineProfile vm) throws InsufficientVirtualNetworkCapacityException,
InsufficientAddressCapacityException, ConcurrentOperationException {
DataCenter dc = _dcDao.findById(network.getDataCenterId());
if (nic == null) {
nic = new NicProfile(ReservationStrategy.Create, null, null, null, null);
} else if (nic.getIPv4Address() == null && nic.getIPv6Address() == null) {
nic.setReservationStrategy(ReservationStrategy.Start);
} else {
nic.setReservationStrategy(ReservationStrategy.Create);
}
allocateDirectIp(nic, network, vm, dc, nic.getRequestedIPv4(), nic.getRequestedIPv6());
nic.setReservationStrategy(ReservationStrategy.Create);
if (nic.getMacAddress() == null) {
nic.setMacAddress(_networkModel.getNextAvailableMacAddressInNetwork(network.getId()));
if (nic.getMacAddress() == null) {
throw new InsufficientAddressCapacityException("Unable to allocate more mac addresses", Network.class, network.getId());
}
}
return nic;
}
@Override
public void reserve(NicProfile nic, Network network, VirtualMachineProfile vm, DeployDestination dest, ReservationContext context)
throws InsufficientVirtualNetworkCapacityException, InsufficientAddressCapacityException, ConcurrentOperationException {
if (nic.getIPv4Address() == null && nic.getIPv6Address() == null) {
allocateDirectIp(nic, network, vm, dest.getDataCenter(), null, null);
nic.setReservationStrategy(ReservationStrategy.Create);
}
}
@DB
protected void allocateDirectIp(final NicProfile nic, final Network network, final VirtualMachineProfile vm, final DataCenter dc, final String requestedIp4Addr,
final String requestedIp6Addr) throws InsufficientVirtualNetworkCapacityException, InsufficientAddressCapacityException {
try {
Transaction.execute(new TransactionCallbackWithExceptionNoReturn<InsufficientCapacityException>() {
@Override
public void doInTransactionWithoutResult(TransactionStatus status) throws InsufficientVirtualNetworkCapacityException,
InsufficientAddressCapacityException {
if (_networkModel.isSharedNetworkWithoutServices(network.getId())) {
_ipAddrMgr.allocateNicValues(nic, dc, vm, network, requestedIp4Addr, requestedIp6Addr);
} else {
_ipAddrMgr.allocateDirectIp(nic, dc, vm, network, requestedIp4Addr, requestedIp6Addr);
//save the placeholder nic if the vm is the Virtual router
if (vm.getType() == VirtualMachine.Type.DomainRouter) {
Nic placeholderNic = _networkModel.getPlaceholderNicForRouter(network, null);
if (placeholderNic == null) {
s_logger.debug("Saving placeholder nic with ip4 address " + nic.getIPv4Address() + " and ipv6 address " + nic.getIPv6Address() +
" for the network " + network);
_networkMgr.savePlaceholderNic(network, nic.getIPv4Address(), nic.getIPv6Address(), VirtualMachine.Type.DomainRouter);
}
}
}
}
});
} catch (InsufficientCapacityException e) {
ExceptionUtil.rethrow(e, InsufficientVirtualNetworkCapacityException.class);
ExceptionUtil.rethrow(e, InsufficientAddressCapacityException.class);
throw new IllegalStateException(e);
}
}
@Override
public boolean release(NicProfile nic, VirtualMachineProfile vm, String reservationId) {
return true;
}
@Override
public Network implement(Network network, NetworkOffering offering, DeployDestination destination, ReservationContext context)
throws InsufficientVirtualNetworkCapacityException {
return network;
}
@Override
@DB
public void deallocate(final Network network, final NicProfile nic, VirtualMachineProfile vm) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Deallocate network: networkId: " + nic.getNetworkId() + ", ip: " + nic.getIPv4Address());
}
if (nic.getIPv4Address() != null) {
final IPAddressVO ip = _ipAddressDao.findByIpAndSourceNetworkId(nic.getNetworkId(), nic.getIPv4Address());
if (ip != null) {
Transaction.execute(new TransactionCallbackNoReturn() {
@Override
public void doInTransactionWithoutResult(TransactionStatus status) {
// if the ip address a part of placeholder, don't release it
Nic placeholderNic = _networkModel.getPlaceholderNicForRouter(network, null);
if (placeholderNic != null && placeholderNic.getIPv4Address().equalsIgnoreCase(ip.getAddress().addr())) {
s_logger.debug("Not releasing direct ip " + ip.getId() + " yet as its ip is saved in the placeholder");
} else {
_ipAddrMgr.markIpAsUnavailable(ip.getId());
_ipAddressDao.unassignIpAddress(ip.getId());
}
//unassign nic secondary ip address
s_logger.debug("remove nic " + nic.getId() + " secondary ip ");
List<String> nicSecIps = null;
nicSecIps = _nicSecondaryIpDao.getSecondaryIpAddressesForNic(nic.getId());
for (String secIp : nicSecIps) {
if (NetUtils.isValidIp4(secIp)) {
IPAddressVO pubIp = _ipAddressDao.findByIpAndSourceNetworkId(nic.getNetworkId(), secIp);
_ipAddrMgr.markIpAsUnavailable(pubIp.getId());
_ipAddressDao.unassignIpAddress(pubIp.getId());
} else {
NicSecondaryIpVO nicSecIp = nicSecondaryIpDao.findByIp6AddressAndNetworkId(secIp, nic.getNetworkId());
if (nicSecIp != null) {
networkService.releaseSecondaryIpFromNic(nicSecIp.getId());
}
}
}
}
});
}
}
nic.deallocate();
}
@Override
public void shutdown(NetworkProfile network, NetworkOffering offering) {
}
@Override
@DB
public boolean trash(Network network, NetworkOffering offering) {
//Have to remove all placeholder nics
try {
long id = network.getId();
final List<NicVO> nics = _nicDao.listPlaceholderNicsByNetworkId(id);
if (nics != null) {
Transaction.execute(new TransactionCallbackNoReturn() {
@Override
public void doInTransactionWithoutResult(TransactionStatus status) {
for (Nic nic : nics) {
if (nic.getIPv4Address() != null) {
s_logger.debug("Releasing ip " + nic.getIPv4Address() + " of placeholder nic " + nic);
IPAddressVO ip = _ipAddressDao.findByIpAndSourceNetworkId(nic.getNetworkId(), nic.getIPv4Address());
if (ip != null) {
_ipAddrMgr.markIpAsUnavailable(ip.getId());
_ipAddressDao.unassignIpAddress(ip.getId());
s_logger.debug("Removing placeholder nic " + nic);
_nicDao.remove(nic.getId());
}
}
}
}
});
}
return true;
}catch (Exception e) {
s_logger.error("trash. Exception:" + e.getMessage());
throw new CloudRuntimeException("trash. Exception:" + e.getMessage(),e);
}
}
@Override
public void updateNetworkProfile(NetworkProfile networkProfile) {
DataCenter dc = _dcDao.findById(networkProfile.getDataCenterId());
Network network = _networkModel.getNetwork(networkProfile.getId());
Pair<String, String> dns = _networkModel.getNetworkIp4Dns(network, dc);
networkProfile.setDns1(dns.first());
networkProfile.setDns2(dns.second());
dns = _networkModel.getNetworkIp6Dns(network, dc);
networkProfile.setIp6Dns1(dns.first());
networkProfile.setIp6Dns2(dns.second());
}
}