mirror of https://github.com/apache/cloudstack.git
439 lines
18 KiB
Java
Executable File
439 lines
18 KiB
Java
Executable File
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package com.cloud.network.guru;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Random;
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import java.util.SortedSet;
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import java.util.TreeSet;
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import javax.ejb.Local;
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import javax.inject.Inject;
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import com.cloud.event.ActionEventUtils;
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import com.cloud.server.ConfigurationServer;
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import com.cloud.utils.Pair;
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import org.apache.log4j.Logger;
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import org.apache.cloudstack.context.CallContext;
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import com.cloud.configuration.Config;
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import com.cloud.configuration.dao.ConfigurationDao;
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import com.cloud.dc.DataCenter;
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import com.cloud.dc.DataCenter.NetworkType;
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import com.cloud.dc.dao.DataCenterDao;
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import com.cloud.dc.dao.VlanDao;
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import com.cloud.deploy.DeployDestination;
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import com.cloud.deploy.DeploymentPlan;
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import com.cloud.event.EventTypes;
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import com.cloud.event.EventVO;
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import com.cloud.exception.InsufficientAddressCapacityException;
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import com.cloud.exception.InsufficientVirtualNetworkCapcityException;
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import com.cloud.exception.InvalidParameterValueException;
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import com.cloud.network.Network;
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import com.cloud.network.Network.State;
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import com.cloud.network.NetworkManager;
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import com.cloud.network.NetworkModel;
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import com.cloud.network.NetworkProfile;
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import com.cloud.network.Networks.AddressFormat;
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import com.cloud.network.Networks.BroadcastDomainType;
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import com.cloud.network.Networks.Mode;
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import com.cloud.network.Networks.TrafficType;
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import com.cloud.network.PhysicalNetwork;
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import com.cloud.network.PhysicalNetwork.IsolationMethod;
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import com.cloud.network.dao.IPAddressDao;
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import com.cloud.network.dao.IPAddressVO;
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import com.cloud.network.dao.NetworkDao;
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import com.cloud.network.dao.NetworkVO;
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import com.cloud.network.dao.PhysicalNetworkDao;
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import com.cloud.network.dao.PhysicalNetworkVO;
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import com.cloud.offering.NetworkOffering;
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import com.cloud.user.Account;
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import com.cloud.utils.component.AdapterBase;
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import com.cloud.utils.db.DB;
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import com.cloud.utils.db.Transaction;
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import com.cloud.utils.exception.CloudRuntimeException;
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import com.cloud.utils.net.Ip4Address;
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import com.cloud.utils.net.NetUtils;
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import com.cloud.vm.Nic.ReservationStrategy;
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import com.cloud.vm.NicProfile;
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import com.cloud.vm.ReservationContext;
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import com.cloud.vm.VirtualMachine;
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import com.cloud.vm.VirtualMachineProfile;
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import com.cloud.vm.dao.NicDao;
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import com.cloud.network.Network.Provider;
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import com.cloud.network.Network.Service;
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@Local(value = NetworkGuru.class)
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public abstract class GuestNetworkGuru extends AdapterBase implements NetworkGuru {
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private static final Logger s_logger = Logger.getLogger(GuestNetworkGuru.class);
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@Inject
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protected NetworkManager _networkMgr;
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@Inject
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protected NetworkModel _networkModel;
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@Inject
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protected DataCenterDao _dcDao;
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@Inject
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protected VlanDao _vlanDao;
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@Inject
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protected NicDao _nicDao;
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@Inject
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ConfigurationDao _configDao;
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@Inject
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protected NetworkDao _networkDao;
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@Inject
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IPAddressDao _ipAddressDao;
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@Inject
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protected PhysicalNetworkDao _physicalNetworkDao;
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@Inject
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ConfigurationServer _configServer;
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Random _rand = new Random(System.currentTimeMillis());
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private static final TrafficType[] _trafficTypes = {TrafficType.Guest};
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// Currently set to anything except STT for the Nicira integration.
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protected IsolationMethod[] _isolationMethods;
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String _defaultGateway;
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String _defaultCidr;
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protected GuestNetworkGuru() {
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super();
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_isolationMethods = null;
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}
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@Override
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public boolean isMyTrafficType(TrafficType type) {
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for (TrafficType t : _trafficTypes) {
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if (t == type) {
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return true;
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}
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}
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return false;
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}
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@Override
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public TrafficType[] getSupportedTrafficType() {
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return _trafficTypes;
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}
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public boolean isMyIsolationMethod(PhysicalNetwork physicalNetwork) {
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if (physicalNetwork == null) {
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// Can't tell if there is no physical network
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return false;
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}
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List<String> methods = physicalNetwork.getIsolationMethods();
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if (methods.isEmpty()) {
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// The empty isolation method is assumed to be VLAN
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s_logger.debug("Empty physical isolation type for physical network " + physicalNetwork.getUuid());
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methods = new ArrayList<String>(1);
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methods.add("VLAN");
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}
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for (IsolationMethod m : _isolationMethods) {
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if (methods.contains(m.toString())) {
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return true;
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}
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}
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return false;
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}
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public IsolationMethod[] getIsolationMethods() {
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return _isolationMethods;
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}
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public boolean canUseSystemGuestVlan(long accountId) {
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return Boolean.parseBoolean(_configServer.getConfigValue(Config.UseSystemGuestVlans.key(),
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Config.ConfigurationParameterScope.account.toString(), accountId));
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}
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protected abstract boolean canHandle(NetworkOffering offering, final NetworkType networkType, PhysicalNetwork physicalNetwork);
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@Override
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public Network design(NetworkOffering offering, DeploymentPlan plan, Network userSpecified, Account owner) {
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DataCenter dc = _dcDao.findById(plan.getDataCenterId());
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PhysicalNetworkVO physnet = _physicalNetworkDao.findById(plan.getPhysicalNetworkId());
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if (!canHandle(offering, dc.getNetworkType(), physnet)) {
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return null;
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}
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NetworkVO network = new NetworkVO(offering.getTrafficType(), Mode.Dhcp, BroadcastDomainType.Vlan, offering.getId(),
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State.Allocated, plan.getDataCenterId(), plan.getPhysicalNetworkId());
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if (userSpecified != null) {
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if ((userSpecified.getCidr() == null && userSpecified.getGateway() != null) ||
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(userSpecified.getCidr() != null && userSpecified.getGateway() == null)) {
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throw new InvalidParameterValueException("cidr and gateway must be specified together.");
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}
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if (userSpecified.getCidr() != null) {
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network.setCidr(userSpecified.getCidr());
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network.setGateway(userSpecified.getGateway());
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} else {
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String guestNetworkCidr = dc.getGuestNetworkCidr();
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if (guestNetworkCidr != null) {
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String[] cidrTuple = guestNetworkCidr.split("\\/");
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network.setGateway(NetUtils.getIpRangeStartIpFromCidr(cidrTuple[0], Long.parseLong(cidrTuple[1])));
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network.setCidr(guestNetworkCidr);
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} else if (dc.getNetworkType() == NetworkType.Advanced) {
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throw new CloudRuntimeException("Can't design network " + network + "; guest CIDR is not configured per zone " + dc);
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}
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}
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if (offering.getSpecifyVlan()) {
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network.setBroadcastUri(userSpecified.getBroadcastUri());
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network.setState(State.Setup);
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}
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} else {
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String guestNetworkCidr = dc.getGuestNetworkCidr();
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if (guestNetworkCidr == null && dc.getNetworkType() == NetworkType.Advanced) {
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throw new CloudRuntimeException("Can't design network " + network + "; guest CIDR is not configured per zone " + dc);
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}
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String[] cidrTuple = guestNetworkCidr.split("\\/");
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network.setGateway(NetUtils.getIpRangeStartIpFromCidr(cidrTuple[0], Long.parseLong(cidrTuple[1])));
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network.setCidr(guestNetworkCidr);
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}
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return network;
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}
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@Override @DB
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public void deallocate(Network network, NicProfile nic, VirtualMachineProfile vm) {
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if (network.getSpecifyIpRanges()) {
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if (s_logger.isDebugEnabled()) {
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s_logger.debug("Deallocate network: networkId: " + nic.getNetworkId() + ", ip: " + nic.getIp4Address());
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}
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IPAddressVO ip = _ipAddressDao.findByIpAndSourceNetworkId(nic.getNetworkId(), nic.getIp4Address());
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if (ip != null) {
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Transaction txn = Transaction.currentTxn();
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txn.start();
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_networkMgr.markIpAsUnavailable(ip.getId());
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_ipAddressDao.unassignIpAddress(ip.getId());
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txn.commit();
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}
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nic.deallocate();
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}
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}
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public int getVlanOffset(long physicalNetworkId, int vlanTag) {
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PhysicalNetworkVO pNetwork = _physicalNetworkDao.findById(physicalNetworkId);
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if (pNetwork == null) {
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throw new CloudRuntimeException("Could not find the physical Network " + physicalNetworkId + ".");
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}
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if (pNetwork.getVnet() == null) {
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throw new CloudRuntimeException("Could not find vlan range for physical Network " + physicalNetworkId + ".");
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}
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Integer lowestVlanTag = null;
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List<Pair<Integer, Integer>> vnetList = pNetwork.getVnet();
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//finding the vlanrange in which the vlanTag lies.
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for (Pair <Integer,Integer> vnet : vnetList){
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if (vlanTag >= vnet.first() && vlanTag <= vnet.second()){
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lowestVlanTag = vnet.first();
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}
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}
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if (lowestVlanTag == null) {
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throw new InvalidParameterValueException ("The vlan tag does not belong to any of the existing vlan ranges");
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}
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return vlanTag - lowestVlanTag;
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}
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public int getGloballyConfiguredCidrSize() {
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try {
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String globalVlanBits = _configDao.getValue(Config.GuestVlanBits.key());
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return 8 + Integer.parseInt(globalVlanBits);
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} catch (Exception e) {
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throw new CloudRuntimeException("Failed to read the globally configured VLAN bits size.");
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}
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}
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protected void allocateVnet(Network network, NetworkVO implemented, long dcId,
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long physicalNetworkId, String reservationId) throws InsufficientVirtualNetworkCapcityException {
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if (network.getBroadcastUri() == null) {
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String vnet = _dcDao.allocateVnet(dcId, physicalNetworkId, network.getAccountId(), reservationId,
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canUseSystemGuestVlan(network.getAccountId()));
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if (vnet == null) {
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throw new InsufficientVirtualNetworkCapcityException("Unable to allocate vnet as a " +
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"part of network " + network + " implement ", DataCenter.class, dcId);
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}
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implemented.setBroadcastUri(BroadcastDomainType.Vlan.toUri(vnet));
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ActionEventUtils.onCompletedActionEvent(CallContext.current().getCallingUserId(), network.getAccountId(),
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EventVO.LEVEL_INFO, EventTypes.EVENT_ZONE_VLAN_ASSIGN, "Assigned Zone Vlan: " + vnet + " Network Id: " + network.getId(), 0);
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} else {
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implemented.setBroadcastUri(network.getBroadcastUri());
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}
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}
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@Override
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public Network implement(Network network, NetworkOffering offering, DeployDestination dest,
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ReservationContext context) throws InsufficientVirtualNetworkCapcityException {
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assert (network.getState() == State.Implementing) : "Why are we implementing " + network;
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long dcId = dest.getDataCenter().getId();
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//get physical network id
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Long physicalNetworkId = network.getPhysicalNetworkId();
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// physical network id can be null in Guest Network in Basic zone, so locate the physical network
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if (physicalNetworkId == null) {
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physicalNetworkId = _networkModel.findPhysicalNetworkId(dcId, offering.getTags(), offering.getTrafficType());
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}
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NetworkVO implemented = new NetworkVO(network.getTrafficType(), network.getMode(),
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network.getBroadcastDomainType(), network.getNetworkOfferingId(), State.Allocated,
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network.getDataCenterId(), physicalNetworkId);
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allocateVnet(network, implemented, dcId, physicalNetworkId, context.getReservationId());
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if (network.getGateway() != null) {
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implemented.setGateway(network.getGateway());
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}
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if (network.getCidr() != null) {
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implemented.setCidr(network.getCidr());
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}
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return implemented;
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}
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@Override
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public NicProfile allocate(Network network, NicProfile nic, VirtualMachineProfile vm)
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throws InsufficientVirtualNetworkCapcityException,
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InsufficientAddressCapacityException {
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assert (network.getTrafficType() == TrafficType.Guest) : "Look at my name! Why are you calling" +
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" me when the traffic type is : " + network.getTrafficType();
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if (nic == null) {
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nic = new NicProfile(ReservationStrategy.Start, null, null, null, null);
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}
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DataCenter dc = _dcDao.findById(network.getDataCenterId());
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if (nic.getIp4Address() == null) {
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nic.setBroadcastUri(network.getBroadcastUri());
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nic.setIsolationUri(network.getBroadcastUri());
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nic.setGateway(network.getGateway());
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String guestIp = null;
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if (network.getSpecifyIpRanges()) {
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_networkMgr.allocateDirectIp(nic, dc, vm, network, nic.getRequestedIpv4(), null);
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} else {
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//if Vm is router vm and source nat is enabled in the network, set ip4 to the network gateway
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boolean isGateway = false;
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if (vm.getVirtualMachine().getType() == VirtualMachine.Type.DomainRouter) {
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if (network.getVpcId() != null) {
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if (_networkModel.isProviderSupportServiceInNetwork(network.getId(), Service.SourceNat, Provider.VPCVirtualRouter)) {
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isGateway = true;
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}
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} else {
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if (_networkModel.isProviderSupportServiceInNetwork(network.getId(), Service.SourceNat, Provider.VirtualRouter)) {
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isGateway = true;
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}
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}
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}
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if (isGateway) {
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guestIp = network.getGateway();
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} else {
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guestIp = _networkMgr.acquireGuestIpAddress(network, nic.getRequestedIpv4());
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if (guestIp == null) {
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throw new InsufficientVirtualNetworkCapcityException("Unable to acquire Guest IP" +
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" address for network " + network, DataCenter.class, dc.getId());
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}
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}
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nic.setIp4Address(guestIp);
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nic.setNetmask(NetUtils.cidr2Netmask(network.getCidr()));
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nic.setDns1(dc.getDns1());
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nic.setDns2(dc.getDns2());
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nic.setFormat(AddressFormat.Ip4);
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}
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}
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nic.setStrategy(ReservationStrategy.Start);
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if (nic.getMacAddress() == null) {
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nic.setMacAddress(_networkModel.getNextAvailableMacAddressInNetwork(network.getId()));
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if (nic.getMacAddress() == null) {
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throw new InsufficientAddressCapacityException("Unable to allocate more mac addresses", Network.class, network.getId());
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}
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}
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return nic;
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}
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@Override
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public void updateNicProfile(NicProfile profile, Network network) {
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DataCenter dc = _dcDao.findById(network.getDataCenterId());
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if (profile != null) {
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profile.setDns1(dc.getDns1());
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profile.setDns2(dc.getDns2());
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}
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}
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@Override
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public void reserve(NicProfile nic, Network network, VirtualMachineProfile vm,
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DeployDestination dest, ReservationContext context)
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throws InsufficientVirtualNetworkCapcityException, InsufficientAddressCapacityException {
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assert (nic.getReservationStrategy() == ReservationStrategy.Start) : "What can I do for nics that are not allocated at start? ";
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nic.setBroadcastUri(network.getBroadcastUri());
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nic.setIsolationUri(network.getBroadcastUri());
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}
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@Override
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public boolean release(NicProfile nic, VirtualMachineProfile vm, String reservationId) {
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nic.setBroadcastUri(null);
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nic.setIsolationUri(null);
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return true;
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}
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@Override
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public void shutdown(NetworkProfile profile, NetworkOffering offering) {
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if (profile.getBroadcastDomainType() == BroadcastDomainType.Vlan &&
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profile.getBroadcastUri() != null && !offering.getSpecifyVlan()) {
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s_logger.debug("Releasing vnet for the network id=" + profile.getId());
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_dcDao.releaseVnet(profile.getBroadcastUri().getHost(), profile.getDataCenterId(),
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profile.getPhysicalNetworkId(), profile.getAccountId(), profile.getReservationId());
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ActionEventUtils.onCompletedActionEvent(CallContext.current().getCallingUserId(), profile.getAccountId(),
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EventVO.LEVEL_INFO, EventTypes.EVENT_ZONE_VLAN_RELEASE, "Released Zone Vlan: "
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+ profile.getBroadcastUri().getHost() + " for Network: " + profile.getId(), 0);
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}
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profile.setBroadcastUri(null);
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}
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@Override
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public boolean trash(Network network, NetworkOffering offering, Account owner) {
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return true;
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}
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@Override
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public void updateNetworkProfile(NetworkProfile networkProfile) {
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DataCenter dc = _dcDao.findById(networkProfile.getDataCenterId());
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networkProfile.setDns1(dc.getDns1());
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networkProfile.setDns2(dc.getDns2());
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}
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}
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