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// 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.element;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import javax.ejb.Local;
import javax.inject.Inject;
import javax.naming.ConfigurationException;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Component;
import org.apache.cloudstack.network.ExternalNetworkDeviceManager.NetworkDevice;
import com.cloud.agent.AgentManager;
import com.cloud.agent.api.CreateVnsPortAnswer;
import com.cloud.agent.api.CreateVnsPortCommand;
import com.cloud.agent.api.DeleteVnsPortAnswer;
import com.cloud.agent.api.DeleteVnsPortCommand;
import com.cloud.agent.api.StartupBigSwitchVnsCommand;
import com.cloud.agent.api.StartupCommand;
import com.cloud.api.ApiDBUtils;
import com.cloud.api.commands.AddBigSwitchVnsDeviceCmd;
import com.cloud.api.commands.DeleteBigSwitchVnsDeviceCmd;
import com.cloud.api.commands.ListBigSwitchVnsDevicesCmd;
import com.cloud.api.commands.VnsConstants;
import com.cloud.api.response.BigSwitchVnsDeviceResponse;
import com.cloud.configuration.ConfigurationManager;
import com.cloud.dc.dao.VlanDao;
import com.cloud.deploy.DeployDestination;
import com.cloud.exception.ConcurrentOperationException;
import com.cloud.exception.InsufficientCapacityException;
import com.cloud.exception.InvalidParameterValueException;
import com.cloud.exception.ResourceUnavailableException;
import com.cloud.host.DetailVO;
import com.cloud.host.Host;
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.Capability;
import com.cloud.network.Network.Provider;
import com.cloud.network.Network.Service;
import com.cloud.network.NetworkModel;
import com.cloud.network.Networks;
import com.cloud.network.Networks.BroadcastDomainType;
import com.cloud.network.PhysicalNetwork;
import com.cloud.network.PhysicalNetworkServiceProvider;
import com.cloud.network.dao.BigSwitchVnsDao;
import com.cloud.network.dao.NetworkDao;
import com.cloud.network.dao.NetworkServiceMapDao;
import com.cloud.network.dao.NetworkVO;
import com.cloud.network.dao.PhysicalNetworkDao;
import com.cloud.network.dao.PhysicalNetworkServiceProviderDao;
import com.cloud.network.dao.PhysicalNetworkServiceProviderVO;
import com.cloud.network.dao.PhysicalNetworkVO;
import com.cloud.network.resource.BigSwitchVnsResource;
import com.cloud.offering.NetworkOffering;
import com.cloud.resource.ResourceManager;
import com.cloud.resource.ResourceStateAdapter;
import com.cloud.resource.ServerResource;
import com.cloud.resource.UnableDeleteHostException;
import com.cloud.utils.component.AdapterBase;
import com.cloud.utils.db.DB;
import com.cloud.utils.db.Transaction;
import com.cloud.utils.db.TransactionCallback;
import com.cloud.utils.db.TransactionCallbackNoReturn;
import com.cloud.utils.db.TransactionStatus;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.vm.NicProfile;
import com.cloud.vm.ReservationContext;
import com.cloud.vm.VirtualMachineProfile;
@Component
@Local(value = {NetworkElement.class, ConnectivityProvider.class})
public class BigSwitchVnsElement extends AdapterBase implements
BigSwitchVnsElementService, ConnectivityProvider, ResourceStateAdapter {
private static final Logger s_logger = Logger.getLogger(BigSwitchVnsElement.class);
private static final Map<Service, Map<Capability, String>> capabilities = setCapabilities();
@Inject
ResourceManager _resourceMgr;
@Inject
PhysicalNetworkDao _physicalNetworkDao;
@Inject
PhysicalNetworkServiceProviderDao _physicalNetworkServiceProviderDao;
@Inject
BigSwitchVnsDao _bigswitchVnsDao;
@Inject
HostDetailsDao _hostDetailsDao;
@Inject
HostDao _hostDao;
@Inject
AgentManager _agentMgr;
@Inject
NetworkDao _networkDao;
@Inject
NetworkModel _networkModel;
@Inject
ConfigurationManager _configMgr;
@Inject
NetworkServiceMapDao _ntwkSrvcDao;
@Inject
VlanDao _vlanDao;
@Override
public Map<Service, Map<Capability, String>> getCapabilities() {
return capabilities;
}
@Override
public Provider getProvider() {
return VnsConstants.BigSwitchVns;
}
private boolean canHandle(Network network, Service service) {
s_logger.debug("Checking if BigSwitchVnsElement can handle service "
+ service.getName() + " on network " + network.getDisplayText());
if (network.getBroadcastDomainType() != BroadcastDomainType.Lswitch) {
return false;
}
if (!_networkModel.isProviderForNetwork(getProvider(),
network.getId())) {
s_logger.debug("BigSwitchVnsElement is not a provider for network "
+ network.getDisplayText());
return false;
}
if (!_ntwkSrvcDao.canProviderSupportServiceInNetwork(network.getId(),
service, VnsConstants.BigSwitchVns)) {
s_logger.debug("BigSwitchVnsElement can't provide the "
+ service.getName() + " service on network "
+ network.getDisplayText());
return false;
}
return true;
}
@Override
public boolean configure(String name, Map<String, Object> params)
throws ConfigurationException {
super.configure(name, params);
_resourceMgr.registerResourceStateAdapter(this.getClass()
.getSimpleName(), this);
return true;
}
@Override
public boolean implement(Network network, NetworkOffering offering,
DeployDestination dest, ReservationContext context)
throws ConcurrentOperationException, ResourceUnavailableException,
InsufficientCapacityException {
s_logger.debug("entering BigSwitchVnsElement implement function for network "
+ network.getDisplayText()
+ " (state "
+ network.getState()
+ ")");
return true;
}
@Override
public boolean prepare(Network network, NicProfile nic,
VirtualMachineProfile vm,
DeployDestination dest, ReservationContext context)
throws ConcurrentOperationException, ResourceUnavailableException,
InsufficientCapacityException {
if (!canHandle(network, Service.Connectivity)) {
return false;
}
if (network.getBroadcastUri() == null) {
s_logger.error("Nic has no broadcast Uri with the LSwitch Uuid");
return false;
}
String mac = nic.getMacAddress();
String tenantId = context.getDomain().getName();
List<BigSwitchVnsDeviceVO> devices = _bigswitchVnsDao
.listByPhysicalNetwork(network.getPhysicalNetworkId());
if (devices.isEmpty()) {
s_logger.error("No BigSwitch Controller on physical network "
+ network.getPhysicalNetworkId());
return false;
}
BigSwitchVnsDeviceVO bigswitchVnsDevice = devices.get(0);
HostVO bigswitchVnsHost = _hostDao.findById(bigswitchVnsDevice.getHostId());
CreateVnsPortCommand cmd = new CreateVnsPortCommand(
BroadcastDomainType.getValue(network.getBroadcastUri()),
vm.getUuid(),
tenantId,
nic.getName(),
mac);
CreateVnsPortAnswer answer = (CreateVnsPortAnswer)_agentMgr
.easySend(bigswitchVnsHost.getId(), cmd);
if (answer == null || !answer.getResult()) {
s_logger.error("CreatePortCommand failed");
return false;
}
return true;
}
@Override
public boolean release(Network network, NicProfile nic,
VirtualMachineProfile vm,
ReservationContext context) throws ConcurrentOperationException,
ResourceUnavailableException {
if (!canHandle(network, Service.Connectivity)) {
return false;
}
if (network.getBroadcastUri() == null) {
s_logger.error("Nic has no broadcast Uri with the LSwitch Uuid");
return false;
}
String tenantId = context.getDomain().getName();
List<BigSwitchVnsDeviceVO> devices = _bigswitchVnsDao
.listByPhysicalNetwork(network.getPhysicalNetworkId());
if (devices.isEmpty()) {
s_logger.error("No BigSwitch Controller on physical network "
+ network.getPhysicalNetworkId());
return false;
}
BigSwitchVnsDeviceVO bigswitchVnsDevice = devices.get(0);
HostVO bigswitchVnsHost = _hostDao.findById(bigswitchVnsDevice.getHostId());
DeleteVnsPortCommand cmd = new DeleteVnsPortCommand(
BroadcastDomainType.getValue(network.getBroadcastUri()),
vm.getUuid(),
tenantId);
DeleteVnsPortAnswer answer = (DeleteVnsPortAnswer)_agentMgr
.easySend(bigswitchVnsHost.getId(), cmd);
if (answer == null || !answer.getResult()) {
s_logger.error("DeletePortCommand failed");
return false;
}
return true;
}
@Override
public boolean shutdown(Network network, ReservationContext context,
boolean cleanup) throws ConcurrentOperationException,
ResourceUnavailableException {
if (!canHandle(network, Service.Connectivity)) {
return false;
}
return true;
}
@Override
public boolean destroy(Network network, ReservationContext context)
throws ConcurrentOperationException, ResourceUnavailableException {
if (!canHandle(network, Service.Connectivity)) {
return false;
}
return true;
}
@Override
public boolean isReady(PhysicalNetworkServiceProvider provider) {
return true;
}
@Override
public boolean shutdownProviderInstances(
PhysicalNetworkServiceProvider provider, ReservationContext context)
throws ConcurrentOperationException, ResourceUnavailableException {
// Nothing to do here.
return true;
}
@Override
public boolean canEnableIndividualServices() {
return true;
}
@Override
public boolean verifyServicesCombination(Set<Service> services) {
if (!services.contains(Service.Connectivity)) {
s_logger.warn("Unable to provide services without Connectivity service enabled for this element");
return false;
}
return true;
}
private static Map<Service, Map<Capability, String>> setCapabilities() {
Map<Service, Map<Capability, String>> capabilities = new HashMap<Service, Map<Capability, String>>();
// L2 Support : SDN provisioning
capabilities.put(Service.Connectivity, null);
return capabilities;
}
@Override
@DB
public BigSwitchVnsDeviceVO addBigSwitchVnsDevice(AddBigSwitchVnsDeviceCmd cmd) {
ServerResource resource = new BigSwitchVnsResource();
final String deviceName = VnsConstants.BigSwitchVns.getName();
NetworkDevice networkDevice = NetworkDevice
.getNetworkDevice(deviceName);
final Long physicalNetworkId = cmd.getPhysicalNetworkId();
PhysicalNetworkVO physicalNetwork = _physicalNetworkDao
.findById(physicalNetworkId);
if (physicalNetwork == null) {
throw new InvalidParameterValueException(
"Could not find phyical network with ID: "
+ physicalNetworkId);
}
long zoneId = physicalNetwork.getDataCenterId();
final PhysicalNetworkServiceProviderVO ntwkSvcProvider = _physicalNetworkServiceProviderDao
.findByServiceProvider(physicalNetwork.getId(),
networkDevice.getNetworkServiceProvder());
if (ntwkSvcProvider == null) {
throw new CloudRuntimeException("Network Service Provider: "
+ networkDevice.getNetworkServiceProvder()
+ " is not enabled in the physical network: "
+ physicalNetworkId + "to add this device");
} else if (ntwkSvcProvider.getState() == PhysicalNetworkServiceProvider.State.Shutdown) {
throw new CloudRuntimeException("Network Service Provider: "
+ ntwkSvcProvider.getProviderName()
+ " is in shutdown state in the physical network: "
+ physicalNetworkId + "to add this device");
}
if (_bigswitchVnsDao.listByPhysicalNetwork(physicalNetworkId).size() != 0) {
throw new CloudRuntimeException(
"A BigSwitch controller device is already configured on this physical network");
}
Map<String, String> params = new HashMap<String, String>();
params.put("guid", UUID.randomUUID().toString());
params.put("zoneId", String.valueOf(physicalNetwork.getDataCenterId()));
params.put("physicalNetworkId", String.valueOf(physicalNetwork.getId()));
params.put("name", "BigSwitch Controller - " + cmd.getHost());
params.put("ip", cmd.getHost());
// FIXME What to do with multiple isolation types
params.put("transportzoneisotype",
physicalNetwork.getIsolationMethods().get(0).toLowerCase());
Map<String, Object> hostdetails = new HashMap<String, Object>();
hostdetails.putAll(params);
try {
resource.configure(cmd.getHost(), hostdetails);
final Host host = _resourceMgr.addHost(zoneId, resource,
Host.Type.L2Networking, params);
if (host != null) {
return Transaction.execute(new TransactionCallback<BigSwitchVnsDeviceVO>() {
@Override
public BigSwitchVnsDeviceVO doInTransaction(TransactionStatus status) {
BigSwitchVnsDeviceVO bigswitchVnsDevice = new BigSwitchVnsDeviceVO(host.getId(),
physicalNetworkId, ntwkSvcProvider.getProviderName(),
deviceName);
_bigswitchVnsDao.persist(bigswitchVnsDevice);
DetailVO detail = new DetailVO(host.getId(),
"bigswitchvnsdeviceid",
String.valueOf(bigswitchVnsDevice.getId()));
_hostDetailsDao.persist(detail);
return bigswitchVnsDevice;
}
});
} else {
throw new CloudRuntimeException(
"Failed to add BigSwitch Vns Device due to internal error.");
}
} catch (ConfigurationException e) {
throw new CloudRuntimeException(e.getMessage());
}
}
@Override
public BigSwitchVnsDeviceResponse createBigSwitchVnsDeviceResponse(
BigSwitchVnsDeviceVO bigswitchVnsDeviceVO) {
HostVO bigswitchVnsHost = _hostDao.findById(bigswitchVnsDeviceVO.getHostId());
_hostDao.loadDetails(bigswitchVnsHost);
BigSwitchVnsDeviceResponse response = new BigSwitchVnsDeviceResponse();
response.setDeviceName(bigswitchVnsDeviceVO.getDeviceName());
PhysicalNetwork pnw = ApiDBUtils.findPhysicalNetworkById(bigswitchVnsDeviceVO.getPhysicalNetworkId());
if (pnw != null) {
response.setPhysicalNetworkId(pnw.getUuid());
}
response.setId(bigswitchVnsDeviceVO.getUuid());
response.setProviderName(bigswitchVnsDeviceVO.getProviderName());
response.setHostName(bigswitchVnsHost.getDetail("ip"));
response.setObjectName("bigswitchvnsdevice");
return response;
}
@Override
public boolean deleteBigSwitchVnsDevice(DeleteBigSwitchVnsDeviceCmd cmd) {
Long bigswitchVnsDeviceId = cmd.getBigSwitchVnsDeviceId();
BigSwitchVnsDeviceVO bigswitchVnsDevice = _bigswitchVnsDao
.findById(bigswitchVnsDeviceId);
if (bigswitchVnsDevice == null) {
throw new InvalidParameterValueException(
"Could not find a BigSwitch Controller with id " + bigswitchVnsDevice);
}
// Find the physical network we work for
Long physicalNetworkId = bigswitchVnsDevice.getPhysicalNetworkId();
PhysicalNetworkVO physicalNetwork = _physicalNetworkDao
.findById(physicalNetworkId);
if (physicalNetwork != null) {
List<NetworkVO> networkList = _networkDao
.listByPhysicalNetwork(physicalNetworkId);
// Networks with broadcast type lswitch are ours
for (NetworkVO network : networkList) {
if (network.getBroadcastDomainType() == Networks.BroadcastDomainType.Lswitch) {
if ((network.getState() != Network.State.Shutdown)
&& (network.getState() != Network.State.Destroy)) {
throw new CloudRuntimeException(
"This BigSwitch Controller device can not be deleted as there are one or more " +
"logical networks provisioned by cloudstack.");
}
}
}
}
HostVO bigswitchHost = _hostDao.findById(bigswitchVnsDevice.getHostId());
Long hostId = bigswitchHost.getId();
//bigswitchHost.setResourceState(ResourceState.Maintenance);
//_hostDao.update(hostId, bigswitchHost);
_hostDao.remove(hostId);
_resourceMgr.deleteHost(hostId, false, false);
_bigswitchVnsDao.remove(bigswitchVnsDeviceId);
return true;
}
@Override
public List<BigSwitchVnsDeviceVO> listBigSwitchVnsDevices(
ListBigSwitchVnsDevicesCmd cmd) {
Long physicalNetworkId = cmd.getPhysicalNetworkId();
Long bigswitchVnsDeviceId = cmd.getBigSwitchVnsDeviceId();
List<BigSwitchVnsDeviceVO> responseList = new ArrayList<BigSwitchVnsDeviceVO>();
if (physicalNetworkId == null && bigswitchVnsDeviceId == null) {
throw new InvalidParameterValueException(
"Either physical network Id or bigswitch device Id must be specified");
}
if (bigswitchVnsDeviceId != null) {
BigSwitchVnsDeviceVO bigswitchVnsDevice = _bigswitchVnsDao
.findById(bigswitchVnsDeviceId);
if (bigswitchVnsDevice == null) {
throw new InvalidParameterValueException(
"Could not find BigSwitch controller with id: "
+ bigswitchVnsDevice);
}
responseList.add(bigswitchVnsDevice);
} else {
PhysicalNetworkVO physicalNetwork = _physicalNetworkDao
.findById(physicalNetworkId);
if (physicalNetwork == null) {
throw new InvalidParameterValueException(
"Could not find a physical network with id: "
+ physicalNetworkId);
}
responseList = _bigswitchVnsDao
.listByPhysicalNetwork(physicalNetworkId);
}
return responseList;
}
@Override
public HostVO createHostVOForConnectedAgent(HostVO host,
StartupCommand[] cmd) {
// TODO Auto-generated method stub
return null;
}
@Override
public HostVO createHostVOForDirectConnectAgent(HostVO host,
StartupCommand[] startup, ServerResource resource,
Map<String, String> details, List<String> hostTags) {
if (!(startup[0] instanceof StartupBigSwitchVnsCommand)) {
return null;
}
host.setType(Host.Type.L2Networking);
return host;
}
@Override
public DeleteHostAnswer deleteHost(HostVO host, boolean isForced,
boolean isForceDeleteStorage) throws UnableDeleteHostException {
if (!(host.getType() == Host.Type.L2Networking)) {
return null;
}
return new DeleteHostAnswer(true);
}
@Override
public List<Class<?>> getCommands() {
List<Class<?>> cmdList = new ArrayList<Class<?>>();
cmdList.add(AddBigSwitchVnsDeviceCmd.class);
cmdList.add(DeleteBigSwitchVnsDeviceCmd.class);
cmdList.add(ListBigSwitchVnsDevicesCmd.class);
return cmdList;
}
}