/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* 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
* "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.
*/
package com.cloud.network.guru;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;
import javax.ejb.Local;
import javax.inject.Inject;
import org.apache.log4j.Logger;
import com.cloud.agent.AgentManager;
import com.cloud.agent.api.CreateVnsNetworkAnswer;
import com.cloud.agent.api.CreateVnsNetworkCommand;
import com.cloud.agent.api.DeleteVnsNetworkCommand;
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.InsufficientAddressCapacityException;
import com.cloud.exception.InsufficientVirtualNetworkCapcityException;
import com.cloud.host.HostVO;
import com.cloud.host.dao.HostDao;
import com.cloud.host.dao.HostDetailsDao;
import com.cloud.network.BigSwitchVnsDeviceVO;
import com.cloud.network.Network;
import com.cloud.network.Network.GuestType;
import com.cloud.network.Network.State;
import com.cloud.network.NetworkProfile;
import com.cloud.network.Networks.BroadcastDomainType;
import com.cloud.network.PhysicalNetwork;
import com.cloud.network.PhysicalNetwork.IsolationMethod;
import com.cloud.network.dao.BigSwitchVnsDao;
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.resource.ResourceManager;
import com.cloud.user.Account;
import com.cloud.user.dao.AccountDao;
import com.cloud.vm.NicProfile;
import com.cloud.vm.ReservationContext;
import com.cloud.vm.VirtualMachineProfile;
@Local(value = NetworkGuru.class)
public class BigSwitchVnsGuestNetworkGuru extends GuestNetworkGuru {
private static final Logger s_logger = Logger.getLogger(BigSwitchVnsGuestNetworkGuru.class);
@Inject
DataCenterDao _zoneDao;
@Inject
PhysicalNetworkDao _physicalNetworkDao;
@Inject
AccountDao _accountDao;
@Inject
BigSwitchVnsDao _bigswitchVnsDao;
@Inject
HostDao _hostDao;
@Inject
ResourceManager _resourceMgr;
@Inject
AgentManager _agentMgr;
@Inject
HostDetailsDao _hostDetailsDao;
public BigSwitchVnsGuestNetworkGuru() {
super();
_isolationMethods = new IsolationMethod[] {IsolationMethod.VNS};
}
@Override
protected boolean canHandle(NetworkOffering offering, NetworkType networkType, PhysicalNetwork physicalNetwork) {
if (networkType == NetworkType.Advanced && isMyTrafficType(offering.getTrafficType()) && offering.getGuestType() == Network.GuestType.Isolated &&
isMyIsolationMethod(physicalNetwork)) {
return true;
} else {
s_logger.trace("We only take care of Guest networks of type " + GuestType.Isolated + " in zone of type " + NetworkType.Advanced);
return false;
}
}
@Override
public Network design(NetworkOffering offering, DeploymentPlan plan, Network userSpecified, Account owner) {
// Check of the isolation type of the related physical network is VNS
PhysicalNetworkVO physnet = _physicalNetworkDao.findById(plan.getPhysicalNetworkId());
if (physnet == null || physnet.getIsolationMethods() == null || !physnet.getIsolationMethods().contains("VNS")) {
s_logger.debug("Refusing to design this network, the physical isolation type is not VNS");
return null;
}
List<BigSwitchVnsDeviceVO> devices = _bigswitchVnsDao.listByPhysicalNetwork(physnet.getId());
if (devices.isEmpty()) {
s_logger.error("No BigSwitxh Controller on physical network " + physnet.getName());
return null;
}
s_logger.debug("BigSwitch Controller " + devices.get(0).getUuid() + " found on physical network " + physnet.getId());
s_logger.debug("Physical isolation type is VNS, asking GuestNetworkGuru to design this network");
NetworkVO networkObject = (NetworkVO)super.design(offering, plan, userSpecified, owner);
if (networkObject == null) {
return null;
}
// Override the broadcast domain type
networkObject.setBroadcastDomainType(BroadcastDomainType.Lswitch);
return networkObject;
}
@Override
public Network implement(Network network, NetworkOffering offering, DeployDestination dest, ReservationContext context)
throws InsufficientVirtualNetworkCapcityException {
assert (network.getState() == State.Implementing) : "Why are we implementing " + network;
long dcId = dest.getDataCenter().getId();
//get physical network id
long physicalNetworkId = _networkModel.findPhysicalNetworkId(dcId, offering.getTags(), offering.getTrafficType());
NetworkVO implemented =
new NetworkVO(network.getTrafficType(), network.getMode(), network.getBroadcastDomainType(), network.getNetworkOfferingId(), State.Allocated,
network.getDataCenterId(), physicalNetworkId);
if (network.getGateway() != null) {
implemented.setGateway(network.getGateway());
}
if (network.getCidr() != null) {
implemented.setCidr(network.getCidr());
}
String vnet =
_dcDao.allocateVnet(dcId, physicalNetworkId, network.getAccountId(), context.getReservationId(), UseSystemGuestVlans.valueIn(network.getAccountId()));
if (vnet == null) {
throw new InsufficientVirtualNetworkCapcityException("Unable to allocate vnet as a " + "part of network " + network + " implement ", DataCenter.class, dcId);
}
// when supporting more types of networks this need to become
// int vlan = Integer.parseInt(BroadcastDomainType.getValue(vnet));
int vlan = Integer.parseInt(vnet);
// Name is either the given name or the uuid
String name = network.getName();
String networkUuid = implemented.getUuid();
if (name == null || name.isEmpty()) {
name = ((NetworkVO)network).getUuid();
}
if (name.length() > 64) {
name = name.substring(0, 63); // max length 64
}
String tenantId = context.getDomain().getName();
List<BigSwitchVnsDeviceVO> devices = _bigswitchVnsDao.listByPhysicalNetwork(physicalNetworkId);
if (devices.isEmpty()) {
s_logger.error("No BigSwitch Controller on physical network " + physicalNetworkId);
return null;
}
BigSwitchVnsDeviceVO bigswitchVnsDevice = devices.get(0);
HostVO bigswitchVnsHost = _hostDao.findById(bigswitchVnsDevice.getHostId());
_hostDao.loadDetails(bigswitchVnsHost);
CreateVnsNetworkCommand cmd = new CreateVnsNetworkCommand(networkUuid, name, tenantId, vlan);
CreateVnsNetworkAnswer answer = (CreateVnsNetworkAnswer)_agentMgr.easySend(bigswitchVnsHost.getId(), cmd);
if (answer == null || !answer.getResult()) {
s_logger.error("CreateNetworkCommand failed");
return null;
}
try {
implemented.setBroadcastUri(new URI("vns", cmd.getNetworkUuid(), null));
implemented.setBroadcastDomainType(BroadcastDomainType.Lswitch);
s_logger.info("Implemented OK, network " + networkUuid + " in tenant " + tenantId + " linked to " + implemented.getBroadcastUri().toString());
} catch (URISyntaxException e) {
s_logger.error("Unable to store network id in broadcast uri, uuid = " + implemented.getUuid(), e);
}
return implemented;
}
@Override
public void reserve(NicProfile nic, Network network, VirtualMachineProfile vm, DeployDestination dest, ReservationContext context)
throws InsufficientVirtualNetworkCapcityException, InsufficientAddressCapacityException {
// TODO Auto-generated method stub
super.reserve(nic, network, vm, dest, context);
}
@Override
public boolean release(NicProfile nic, VirtualMachineProfile vm, String reservationId) {
// TODO Auto-generated method stub
return super.release(nic, vm, reservationId);
}
@Override
public void shutdown(NetworkProfile profile, NetworkOffering offering) {
NetworkVO networkObject = _networkDao.findById(profile.getId());
if (networkObject.getBroadcastDomainType() != BroadcastDomainType.Lswitch || networkObject.getBroadcastUri() == null) {
s_logger.warn("BroadcastUri is empty or incorrect for guestnetwork " + networkObject.getDisplayText());
return;
}
List<BigSwitchVnsDeviceVO> devices = _bigswitchVnsDao.listByPhysicalNetwork(networkObject.getPhysicalNetworkId());
if (devices.isEmpty()) {
s_logger.error("No BigSwitch Controller on physical network " + networkObject.getPhysicalNetworkId());
return;
}
BigSwitchVnsDeviceVO bigswitchVnsDevice = devices.get(0);
HostVO bigswitchVnsHost = _hostDao.findById(bigswitchVnsDevice.getHostId());
String tenantId = profile.getNetworkDomain();
DeleteVnsNetworkCommand cmd = new DeleteVnsNetworkCommand(tenantId, BroadcastDomainType.getValue(networkObject.getBroadcastUri()));
_agentMgr.easySend(bigswitchVnsHost.getId(), cmd);
super.shutdown(profile, offering);
}
@Override
public boolean trash(Network network, NetworkOffering offering) {
return super.trash(network, offering);
}
}