content: // 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 com.cloud.dc.dao.DataCenterDao.PrivateAllocationData;
  import com.cloud.vm.VirtualMachine;
  import java.util.Random;
  
  import javax.inject.Inject;
  
  import com.cloud.network.NetworkModel;
  
  import com.cloud.dc.Pod;
  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.InsufficientVirtualNetworkCapacityException;
  import com.cloud.network.Network;
  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.StorageNetworkManager;
  import com.cloud.network.dao.NetworkVO;
  import com.cloud.offering.NetworkOffering;
  import com.cloud.user.Account;
  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.ReservationContext;
  import com.cloud.vm.VirtualMachineProfile;
  
  public class PodBasedNetworkGuru extends AdapterBase implements NetworkGuru {
      @Inject
      DataCenterDao _dcDao;
      @Inject
      StorageNetworkManager _sNwMgr;
  
      Random _rand = new Random(System.currentTimeMillis());
  
      private static final TrafficType[] TrafficTypes = {TrafficType.Management};
  
      @Override
      public boolean isMyTrafficType(TrafficType type) {
          for (TrafficType t : TrafficTypes) {
              if (t == type) {
                  return true;
              }
          }
          return false;
      }
  
      @Override
      public TrafficType[] getSupportedTrafficType() {
          return TrafficTypes;
      }
  
      @Override
      public Network design(NetworkOffering offering, DeploymentPlan plan, Network userSpecified, String name, Long vpcId, Account owner) {
          TrafficType type = offering.getTrafficType();
  
          if (!isMyTrafficType(type)) {
              return null;
          }
  
          NetworkVO config =
              new NetworkVO(type, Mode.Static, BroadcastDomainType.Native, offering.getId(), Network.State.Setup, plan.getDataCenterId(),
                      plan.getPhysicalNetworkId(), offering.isRedundantRouter());
          return config;
      }
  
      @Override
      public void setup(Network network, long networkId) {
          // do nothing
      }
  
      protected PodBasedNetworkGuru() {
          super();
      }
  
      @Override
      public void deallocate(Network config, NicProfile nic, VirtualMachineProfile vm) {
      }
  
      @Override
      public NicProfile allocate(Network config, NicProfile nic, VirtualMachineProfile vm) throws InsufficientVirtualNetworkCapacityException,
          InsufficientAddressCapacityException {
          TrafficType trafficType = config.getTrafficType();
          assert trafficType == TrafficType.Management || trafficType == TrafficType.Storage : "Well, I can't take care of this config now can I? " + config;
  
          if (nic != null) {
              if (nic.getRequestedIPv4() != null) {
                  throw new CloudRuntimeException("Does not support custom ip allocation at this time: " + nic);
              }
              nic.setReservationStrategy(nic.getIPv4Address() != null ? ReservationStrategy.Create : ReservationStrategy.Start);
          } else {
              nic = new NicProfile(ReservationStrategy.Start, null, null, null, null);
          }
  
          return nic;
      }
  
      @Override
      public void reserve(NicProfile nic, Network config, VirtualMachineProfile vm, DeployDestination dest, ReservationContext context)
          throws InsufficientVirtualNetworkCapacityException, InsufficientAddressCapacityException {
          Pod pod = dest.getPod();
  
          boolean forSystemVms = vm.getType().equals(VirtualMachine.Type.ConsoleProxy) || vm.getType().equals(VirtualMachine.Type.SecondaryStorageVm);
          PrivateAllocationData result = _dcDao.allocatePrivateIpAddress(dest.getDataCenter().getId(), dest.getPod().getId(), nic.getId(), context.getReservationId(), forSystemVms);
          if (result == null) {
              throw new InsufficientAddressCapacityException("Unable to get a management ip address", Pod.class, pod.getId());
          }
          Integer vlan = result.getVlan();
  
          nic.setIPv4Address(result.getIpAddress());
          nic.setMacAddress(NetUtils.long2Mac(NetUtils.createSequenceBasedMacAddress(result.getMacAddress(), NetworkModel.MACIdentifier.value())));
          nic.setIPv4Gateway(pod.getGateway());
          nic.setFormat(AddressFormat.Ip4);
          String netmask = NetUtils.getCidrNetmask(pod.getCidrSize());
          nic.setIPv4Netmask(netmask);
          nic.setBroadcastType(BroadcastDomainType.Native);
          if (vlan != null) {
              nic.setBroadcastUri(BroadcastDomainType.Native.toUri(vlan));
          } else {
              nic.setBroadcastUri(null);
          }
          nic.setIsolationUri(null);
  
          logger.debug("Allocated a nic " + nic + " for " + vm);
      }
  
      @Override
      public void updateNicProfile(NicProfile profile, Network network) {
      }
  
      @Override
      public void updateNetworkProfile(NetworkProfile networkProfile) {
      }
  
      @Override
      public boolean release(NicProfile nic, VirtualMachineProfile vm, String reservationId) {
          _dcDao.releasePrivateIpAddress(nic.getId(), nic.getReservationId());
  
          nic.deallocate();
  
          if (logger.isDebugEnabled()) {
              logger.debug(String.format("Released nic: %s for vm %s", nic, vm));
          }
  
          return true;
      }
  
      @Override
      public Network implement(Network config, NetworkOffering offering, DeployDestination destination, ReservationContext context)
          throws InsufficientVirtualNetworkCapacityException {
          return config;
      }
  
      @Override
      public void shutdown(NetworkProfile config, NetworkOffering offering) {
      }
  
      @Override
      public boolean trash(Network config, NetworkOffering offering) {
          return true;
      }
  }
  