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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
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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 org.apache.cloudstack.network.contrail.management;
import java.io.IOException;
import java.net.URI;
import java.util.List;
import javax.inject.Inject;
import org.apache.cloudstack.network.contrail.model.InstanceIpModel;
import org.apache.cloudstack.network.contrail.model.VMInterfaceModel;
import org.apache.cloudstack.network.contrail.model.VirtualMachineModel;
import org.apache.cloudstack.network.contrail.model.VirtualNetworkModel;
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.deploy.DeployDestination;
import com.cloud.deploy.DeploymentPlan;
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.Network.State;
import com.cloud.network.NetworkProfile;
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.network.PhysicalNetwork;
import com.cloud.network.addr.PublicIp;
import com.cloud.network.dao.IPAddressDao;
import com.cloud.network.dao.IPAddressVO;
import com.cloud.network.dao.NetworkDao;
import com.cloud.network.dao.NetworkVO;
import com.cloud.network.dao.PhysicalNetworkDao;
import com.cloud.network.dao.PhysicalNetworkVO;
import com.cloud.network.guru.NetworkGuru;
import com.cloud.offering.NetworkOffering;
import com.cloud.user.Account;
import com.cloud.user.AccountManager;
import com.cloud.utils.component.AdapterBase;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.utils.net.NetUtils;
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.VMInstanceVO;
import com.cloud.vm.VirtualMachineProfile;
import com.cloud.vm.dao.NicDao;
import net.juniper.contrail.api.types.MacAddressesType;
import net.juniper.contrail.api.types.VirtualMachineInterface;
public class ContrailGuru extends AdapterBase implements NetworkGuru {
@Inject
NetworkDao _networkDao;
@Inject
ContrailManager _manager;
@Inject
NicDao _nicDao;
@Inject
IPAddressDao _ipAddressDao;
@Inject
AccountManager _accountMgr;
@Inject
IpAddressManager _ipAddrMgr;
@Inject
PhysicalNetworkDao _physicalNetworkDao;
@Inject
DataCenterDao _dcDao;
private static final Logger s_logger = Logger.getLogger(ContrailGuru.class);
private static final TrafficType[] TrafficTypes = {TrafficType.Guest};
private boolean canHandle(NetworkOffering offering, NetworkType networkType, PhysicalNetwork physicalNetwork) {
if (physicalNetwork == null) {
// Physical network can be false for system network during initial setup of CloudStack
return false;
}
if (_manager.getRouterOffering() == null || _manager.getVpcRouterOffering() == null) {
// FIXME The resource is apparently not configured, we need another way to check this.
return false;
}
if (networkType == NetworkType.Advanced
&& (offering.getId() == _manager.getRouterOffering().getId() || offering.getId() == _manager.getVpcRouterOffering().getId())
&& isMyTrafficType(offering.getTrafficType())
&& offering.getGuestType() == Network.GuestType.Isolated
&& physicalNetwork.getIsolationMethods().contains("L3VPN"))
return true;
return false;
}
@Override
public String getName() {
return "ContrailGuru";
}
@Override
public Network design(NetworkOffering offering, DeploymentPlan plan, Network userSpecified, Account owner) {
// Check of the isolation type of the related physical network is L3VPN
PhysicalNetworkVO physnet = _physicalNetworkDao.findById(plan.getPhysicalNetworkId());
DataCenter dc = _dcDao.findById(plan.getDataCenterId());
if (!canHandle(offering, dc.getNetworkType(),physnet)) {
s_logger.debug("Refusing to design this network");
return null;
}
NetworkVO network =
new NetworkVO(offering.getTrafficType(), Mode.Dhcp, BroadcastDomainType.Lswitch, offering.getId(), State.Allocated, plan.getDataCenterId(),
plan.getPhysicalNetworkId(), offering.isRedundantRouter());
if (userSpecified.getCidr() != null) {
network.setCidr(userSpecified.getCidr());
network.setGateway(userSpecified.getGateway());
}
s_logger.debug("Allocated network " + userSpecified.getName() + (network.getCidr() == null ? "" : " subnet: " + network.getCidr()));
return network;
}
@Override
public Network implement(Network network, NetworkOffering offering, DeployDestination destination, ReservationContext context)
throws InsufficientVirtualNetworkCapacityException {
s_logger.debug("Implement network: " + network.getName() + ", traffic type: " + network.getTrafficType());
VirtualNetworkModel vnModel = _manager.getDatabase().lookupVirtualNetwork(network.getUuid(), _manager.getCanonicalName(network), network.getTrafficType());
if (vnModel == null) {
vnModel = new VirtualNetworkModel(network, network.getUuid(), _manager.getCanonicalName(network), network.getTrafficType());
vnModel.setProperties(_manager.getModelController(), network);
}
try {
if (!vnModel.verify(_manager.getModelController())) {
vnModel.update(_manager.getModelController());
}
} catch (Exception ex) {
s_logger.warn("virtual-network update: ", ex);
return network;
}
_manager.getDatabase().getVirtualNetworks().add(vnModel);
if (network.getVpcId() != null) {
List<IPAddressVO> ips = _ipAddressDao.listByAssociatedVpc(network.getVpcId(), true);
if (ips.isEmpty()) {
s_logger.debug("Creating a source nat ip for network " + network);
Account owner = _accountMgr.getAccount(network.getAccountId());
try {
PublicIp publicIp = _ipAddrMgr.assignSourceNatIpAddressToGuestNetwork(owner, network);
IPAddressVO ip = publicIp.ip();
ip.setVpcId(network.getVpcId());
_ipAddressDao.acquireInLockTable(ip.getId());
_ipAddressDao.update(ip.getId(), ip);
_ipAddressDao.releaseFromLockTable(ip.getId());
} catch (Exception e) {
s_logger.error("Unable to allocate source nat ip: " + e);
}
}
}
return network;
}
/**
* Allocate the NicProfile object.
* At this point the UUID of the nic is not yet known. We defer allocating the VMI and instance-ip objects
* until the reserve API is called because of this reason.
*/
@Override
public NicProfile allocate(Network network, NicProfile profile, VirtualMachineProfile vm) throws InsufficientVirtualNetworkCapacityException,
InsufficientAddressCapacityException, ConcurrentOperationException {
s_logger.debug("allocate NicProfile on " + network.getName());
if (profile != null && profile.getRequestedIPv4() != null) {
throw new CloudRuntimeException("Does not support custom ip allocation at this time: " + profile);
}
if (profile == null) {
profile = new NicProfile(ReservationStrategy.Create, null, null, null, null);
}
profile.setReservationStrategy(ReservationStrategy.Start);
URI broadcastUri = null;
try {
broadcastUri = new URI("vlan://untagged");
} catch (Exception e) {
s_logger.warn("unable to instantiate broadcast URI: " + e);
}
profile.setBroadcastUri(broadcastUri);
return profile;
}
/**
* Allocate the ip address (and mac) for the specified VM device.
*/
@Override
public void reserve(NicProfile nic, Network network, VirtualMachineProfile vm, DeployDestination dest, ReservationContext context)
throws InsufficientVirtualNetworkCapacityException, InsufficientAddressCapacityException, ConcurrentOperationException {
s_logger.debug("reserve NicProfile on network id: " + network.getId() + " " + network.getName());
s_logger.debug("deviceId: " + nic.getDeviceId());
NicVO nicVO = _nicDao.findById(nic.getId());
assert nicVO != null;
VirtualNetworkModel vnModel = _manager.getDatabase().lookupVirtualNetwork(network.getUuid(), _manager.getCanonicalName(network), network.getTrafficType());
/* Network must have been implemented */
assert vnModel != null;
VirtualMachineModel vmModel = _manager.getDatabase().lookupVirtualMachine(vm.getUuid());
if (vmModel == null) {
VMInstanceVO vmVo = (VMInstanceVO)vm.getVirtualMachine();
vmModel = new VirtualMachineModel(vmVo, vm.getUuid());
vmModel.setProperties(_manager.getModelController(), vmVo);
}
VMInterfaceModel vmiModel = vmModel.getVMInterface(nicVO.getUuid());
if (vmiModel == null) {
vmiModel = new VMInterfaceModel(nicVO.getUuid());
vmiModel.addToVirtualMachine(vmModel);
vmiModel.addToVirtualNetwork(vnModel);
}
try {
vmiModel.build(_manager.getModelController(), (VMInstanceVO)vm.getVirtualMachine(), nicVO);
vmiModel.setActive();
} catch (IOException ex) {
s_logger.error("virtual-machine-interface set", ex);
return;
}
InstanceIpModel ipModel = vmiModel.getInstanceIp();
if (ipModel == null) {
ipModel = new InstanceIpModel(vm.getInstanceName(), nic.getDeviceId());
ipModel.addToVMInterface(vmiModel);
} else {
s_logger.debug("Reuse existing instance-ip object on " + ipModel.getName());
}
if (nic.getIPv4Address() != null) {
s_logger.debug("Nic using existing IP address " + nic.getIPv4Address());
ipModel.setAddress(nic.getIPv4Address());
}
try {
vmModel.update(_manager.getModelController());
} catch (Exception ex) {
s_logger.warn("virtual-machine update", ex);
return;
}
_manager.getDatabase().getVirtualMachines().add(vmModel);
VirtualMachineInterface vmi = vmiModel.getVMInterface();
// allocate mac address
if (nic.getMacAddress() == null) {
MacAddressesType macs = vmi.getMacAddresses();
if (macs == null) {
s_logger.debug("no mac address is allocated for Nic " + nicVO.getUuid());
} else {
s_logger.info("VMI " + _manager.getVifNameByVmUuid(vm.getUuid(), nicVO.getDeviceId()) + " got mac address: " + macs.getMacAddress().get(0));
nic.setMacAddress(macs.getMacAddress().get(0));
}
}
if (nic.getIPv4Address() == null) {
s_logger.debug("Allocated IP address " + ipModel.getAddress());
nic.setIPv4Address(ipModel.getAddress());
if (network.getCidr() != null) {
nic.setIPv4Netmask(NetUtils.cidr2Netmask(network.getCidr()));
}
nic.setIPv4Gateway(network.getGateway());
nic.setFormat(AddressFormat.Ip4);
}
}
/**
* When a VM is stopped this API is called to release transient resources.
*/
@Override
public boolean release(NicProfile nic, VirtualMachineProfile vm, String reservationId) {
s_logger.debug("release NicProfile " + nic.getId());
return true;
}
/**
* Release permanent resources of a Nic (VMI and addresses).
*/
@Override
public void deallocate(Network network, NicProfile nic, VirtualMachineProfile vm) {
s_logger.debug("deallocate NicProfile " + nic.getId() + " on " + network.getName());
NicVO nicVO = _nicDao.findById(nic.getId());
assert nicVO != null;
VirtualMachineModel vmModel = _manager.getDatabase().lookupVirtualMachine(vm.getUuid());
if (vmModel == null) {
return;
}
VMInterfaceModel vmiModel = vmModel.getVMInterface(nicVO.getUuid());
if (vmiModel == null) {
return;
}
try {
vmiModel.destroy(_manager.getModelController());
} catch (IOException ex) {
return;
}
vmModel.removeSuccessor(vmiModel);
if (!vmModel.hasDescendents()) {
_manager.getDatabase().getVirtualMachines().remove(vmModel);
try {
vmModel.delete(_manager.getModelController());
} catch (IOException ex) {
s_logger.warn("virtual-machine delete", ex);
return;
}
}
}
@Override
public void updateNicProfile(NicProfile profile, Network network) {
// TODO Auto-generated method stub
s_logger.debug("update NicProfile " + profile.getId() + " on " + network.getName());
}
@Override
public void shutdown(NetworkProfile network, NetworkOffering offering) {
s_logger.debug("NetworkGuru shutdown");
VirtualNetworkModel vnModel = _manager.getDatabase().lookupVirtualNetwork(network.getUuid(), _manager.getCanonicalName(network), network.getTrafficType());
if (vnModel == null) {
return;
}
try {
_manager.getDatabase().getVirtualNetworks().remove(vnModel);
vnModel.delete(_manager.getModelController());
} catch (IOException e) {
s_logger.warn("virtual-network delete", e);
}
}
@Override
public boolean trash(Network network, NetworkOffering offering) {
// TODO Auto-generated method stub
s_logger.debug("NetworkGuru trash");
return true;
}
@Override
public void updateNetworkProfile(NetworkProfile networkProfile) {
// TODO Auto-generated method stub
s_logger.debug("NetworkGuru updateNetworkProfile");
}
@Override
public TrafficType[] getSupportedTrafficType() {
return TrafficTypes;
}
@Override
public boolean isMyTrafficType(TrafficType type) {
for (TrafficType t : TrafficTypes) {
if (t == type) {
return true;
}
}
return false;
}
}