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// 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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package com.cloud.network.guru;
import java.util.Map;
import javax.ejb.Local;
import javax.naming.ConfigurationException;
import org.apache.log4j.Logger;
import com.cloud.configuration.Config;
import com.cloud.configuration.dao.ConfigurationDao;
import com.cloud.dc.DataCenter;
import com.cloud.dc.DataCenter.NetworkType;
import com.cloud.dc.DataCenterVO;
import com.cloud.dc.dao.DataCenterDao;
import com.cloud.deploy.DeployDestination;
import com.cloud.deploy.DeploymentPlan;
import com.cloud.exception.InsufficientAddressCapacityException;
import com.cloud.exception.InsufficientVirtualNetworkCapcityException;
import com.cloud.hypervisor.Hypervisor.HypervisorType;
import com.cloud.network.Network;
import com.cloud.network.NetworkManager;
import com.cloud.network.NetworkProfile;
import com.cloud.network.NetworkVO;
import com.cloud.network.Networks.AddressFormat;
import com.cloud.network.Networks.BroadcastDomainType;
import com.cloud.network.Networks.Mode;
import com.cloud.network.Networks.TrafficType;
import com.cloud.offering.NetworkOffering;
import com.cloud.user.Account;
import com.cloud.utils.component.ComponentLocator;
import com.cloud.utils.component.Inject;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.utils.net.NetUtils;
import com.cloud.vm.Nic;
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 ControlNetworkGuru extends PodBasedNetworkGuru implements NetworkGuru {
private static final Logger s_logger = Logger.getLogger(ControlNetworkGuru.class);
@Inject DataCenterDao _dcDao;
@Inject NetworkManager _networkMgr;
String _cidr;
String _gateway;
private static final TrafficType[] _trafficTypes = {TrafficType.Control};
@Override
public boolean isMyTrafficType(TrafficType type) {
for (TrafficType t : _trafficTypes) {
if (t == type) {
return true;
}
}
return false;
}
@Override
public TrafficType[] getSupportedTrafficType() {
return _trafficTypes;
}
protected boolean canHandle(NetworkOffering offering) {
if (offering.isSystemOnly() && isMyTrafficType(offering.getTrafficType())) {
return true;
} else {
s_logger.trace("We only care about System only Control network");
return false;
}
}
@Override
public Network design(NetworkOffering offering, DeploymentPlan plan, Network specifiedConfig, Account owner) {
if (!canHandle(offering)) {
return null;
}
NetworkVO config = new NetworkVO(offering.getTrafficType(), Mode.Static, BroadcastDomainType.LinkLocal, offering.getId(), Network.State.Setup, plan.getDataCenterId(), plan.getPhysicalNetworkId());
config.setCidr(_cidr);
config.setGateway(_gateway);
return config;
}
protected ControlNetworkGuru() {
super();
}
@Override
public NicProfile allocate(Network config, NicProfile nic, VirtualMachineProfile<? extends VirtualMachine> vm) throws InsufficientVirtualNetworkCapcityException,
InsufficientAddressCapacityException {
if(vm.getHypervisorType() == HypervisorType.VMware && vm.getType() != VirtualMachine.Type.DomainRouter) {
NicProfile nicProf = new NicProfile(Nic.ReservationStrategy.Create, null, null, null, null);
String mac = _networkMgr.getNextAvailableMacAddressInNetwork(config.getId());
nicProf.setMacAddress(mac);
return nicProf;
}
if (nic != null) {
throw new CloudRuntimeException("Does not support nic specification at this time: " + nic);
}
return new NicProfile(Nic.ReservationStrategy.Start, null, null, null, null);
}
@Override
public void deallocate(Network config, NicProfile nic, VirtualMachineProfile<? extends VirtualMachine> vm) {
}
@Override
public void reserve(NicProfile nic, Network config, VirtualMachineProfile<? extends VirtualMachine> vm, DeployDestination dest, ReservationContext context) throws InsufficientVirtualNetworkCapcityException,
InsufficientAddressCapacityException {
assert nic.getTrafficType() == TrafficType.Control;
if (dest.getHost().getHypervisorType() == HypervisorType.VMware && vm.getType() == VirtualMachine.Type.DomainRouter) {
if(dest.getDataCenter().getNetworkType() != NetworkType.Basic) {
super.reserve(nic, config, vm, dest, context);
String mac = _networkMgr.getNextAvailableMacAddressInNetwork(config.getId());
nic.setMacAddress(mac);
return;
} else {
// in basic mode and in VMware case, control network will be shared with guest network
String mac = _networkMgr.getNextAvailableMacAddressInNetwork(config.getId());
nic.setMacAddress(mac);
nic.setIp4Address("0.0.0.0");
nic.setNetmask("0.0.0.0");
nic.setFormat(AddressFormat.Ip4);
nic.setGateway("0.0.0.0");
return;
}
}
String ip = _dcDao.allocateLinkLocalIpAddress(dest.getDataCenter().getId(), dest.getPod().getId(), nic.getId(), context.getReservationId());
if (ip == null) {
throw new InsufficientAddressCapacityException("Insufficient link local address capacity", DataCenter.class, dest.getDataCenter().getId());
}
nic.setIp4Address(ip);
nic.setMacAddress(NetUtils.long2Mac(NetUtils.ip2Long(ip) | (14l << 40)));
nic.setNetmask("255.255.0.0");
nic.setFormat(AddressFormat.Ip4);
nic.setGateway(NetUtils.getLinkLocalGateway());
}
@Override
public boolean release(NicProfile nic, VirtualMachineProfile<? extends VirtualMachine> vm, String reservationId) {
assert nic.getTrafficType() == TrafficType.Control;
if (vm.getHypervisorType() == HypervisorType.VMware && vm.getType() == VirtualMachine.Type.DomainRouter) {
long dcId = vm.getVirtualMachine().getDataCenterIdToDeployIn();
DataCenterVO dcVo = _dcDao.findById(dcId);
if(dcVo.getNetworkType() != NetworkType.Basic) {
super.release(nic, vm, reservationId);
if (s_logger.isDebugEnabled()) {
s_logger.debug("Released nic: " + nic);
}
return true;
} else {
nic.deallocate();
if (s_logger.isDebugEnabled()) {
s_logger.debug("Released nic: " + nic);
}
return true;
}
}
_dcDao.releaseLinkLocalIpAddress(nic.getId(), reservationId);
nic.deallocate();
if (s_logger.isDebugEnabled()) {
s_logger.debug("Released nic: " + nic);
}
return true;
}
@Override
public Network implement(Network config, NetworkOffering offering, DeployDestination destination, ReservationContext context) throws InsufficientVirtualNetworkCapcityException {
assert config.getTrafficType() == TrafficType.Control : "Why are you sending this configuration to me " + config;
return config;
}
@Override
public void shutdown(NetworkProfile config, NetworkOffering offering) {
assert false : "Destroying a link local...Either you're out of your mind or something has changed.";
}
@Override
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
super.configure(name, params);
ComponentLocator locator = ComponentLocator.getCurrentLocator();
ConfigurationDao configDao = locator.getDao(ConfigurationDao.class);
Map<String, String> dbParams = configDao.getConfiguration(params);
_cidr = dbParams.get(Config.ControlCidr);
if (_cidr == null) {
_cidr = "169.254.0.0/16";
}
_gateway = dbParams.get(Config.ControlGateway);
if (_gateway == null) {
_gateway = NetUtils.getLinkLocalGateway();
}
s_logger.info("Control network setup: cidr=" + _cidr + "; gateway = " + _gateway);
return true;
}
@Override
public boolean trash(Network config, NetworkOffering offering, Account owner) {
return true;
}
}