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cloudstack/server/src/main/java/com/cloud/consoleproxy/ConsoleProxyManagerImpl.java

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// 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.consoleproxy;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.inject.Inject;
import javax.naming.ConfigurationException;
import org.apache.cloudstack.agent.lb.IndirectAgentLB;
import org.apache.cloudstack.context.CallContext;
import org.apache.cloudstack.engine.orchestration.service.NetworkOrchestrationService;
import org.apache.cloudstack.framework.config.dao.ConfigurationDao;
import org.apache.cloudstack.framework.security.keys.KeysManager;
import org.apache.cloudstack.framework.security.keystore.KeystoreDao;
import org.apache.cloudstack.framework.security.keystore.KeystoreManager;
import org.apache.cloudstack.framework.security.keystore.KeystoreVO;
import org.apache.cloudstack.storage.datastore.db.PrimaryDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.StoragePoolVO;
import org.apache.cloudstack.storage.datastore.db.TemplateDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.TemplateDataStoreVO;
import org.apache.commons.collections.CollectionUtils;
import org.apache.log4j.Logger;
import com.cloud.agent.AgentManager;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.ConsoleProxyLoadReportCommand;
import com.cloud.agent.api.RebootCommand;
import com.cloud.agent.api.StartupCommand;
import com.cloud.agent.api.StartupProxyCommand;
import com.cloud.agent.api.check.CheckSshAnswer;
import com.cloud.agent.api.check.CheckSshCommand;
import com.cloud.agent.api.proxy.ConsoleProxyLoadAnswer;
import com.cloud.agent.manager.Commands;
import com.cloud.cluster.ClusterManager;
import com.cloud.configuration.Config;
import com.cloud.configuration.ConfigurationManagerImpl;
import com.cloud.configuration.ZoneConfig;
import com.cloud.dc.DataCenter;
import com.cloud.dc.DataCenter.NetworkType;
import com.cloud.dc.DataCenterVO;
import com.cloud.dc.HostPodVO;
import com.cloud.dc.dao.DataCenterDao;
import com.cloud.dc.dao.HostPodDao;
import com.cloud.deploy.DataCenterDeployment;
import com.cloud.deploy.DeployDestination;
import com.cloud.exception.ConcurrentOperationException;
import com.cloud.exception.InsufficientCapacityException;
import com.cloud.exception.OperationTimedoutException;
import com.cloud.exception.ResourceUnavailableException;
import com.cloud.exception.StorageUnavailableException;
import com.cloud.host.Host;
import com.cloud.host.Host.Type;
import com.cloud.host.HostVO;
import com.cloud.host.dao.HostDao;
import com.cloud.hypervisor.Hypervisor.HypervisorType;
import com.cloud.info.ConsoleProxyConnectionInfo;
import com.cloud.info.ConsoleProxyInfo;
import com.cloud.info.ConsoleProxyLoadInfo;
import com.cloud.info.ConsoleProxyStatus;
import com.cloud.info.RunningHostCountInfo;
import com.cloud.info.RunningHostInfoAgregator;
import com.cloud.info.RunningHostInfoAgregator.ZoneHostInfo;
import com.cloud.network.Network;
import com.cloud.network.NetworkModel;
import com.cloud.network.Networks.TrafficType;
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.rules.RulesManager;
import com.cloud.offering.NetworkOffering;
import com.cloud.offering.ServiceOffering;
import com.cloud.offerings.dao.NetworkOfferingDao;
import com.cloud.resource.ResourceManager;
import com.cloud.resource.ResourceStateAdapter;
import com.cloud.resource.ServerResource;
import com.cloud.resource.UnableDeleteHostException;
import com.cloud.service.ServiceOfferingVO;
import com.cloud.service.dao.ServiceOfferingDao;
import com.cloud.storage.Storage;
import com.cloud.storage.StoragePoolStatus;
import com.cloud.storage.VMTemplateStorageResourceAssoc.Status;
import com.cloud.storage.VMTemplateVO;
import com.cloud.storage.dao.VMTemplateDao;
import com.cloud.user.Account;
import com.cloud.user.AccountManager;
import com.cloud.utils.DateUtil;
import com.cloud.utils.NumbersUtil;
import com.cloud.utils.Pair;
import com.cloud.utils.StringUtils;
import com.cloud.utils.component.ManagerBase;
import com.cloud.utils.db.DB;
import com.cloud.utils.db.GlobalLock;
import com.cloud.utils.db.QueryBuilder;
import com.cloud.utils.db.SearchCriteria.Op;
import com.cloud.utils.db.Transaction;
import com.cloud.utils.db.TransactionCallbackNoReturn;
import com.cloud.utils.db.TransactionStatus;
import com.cloud.utils.events.SubscriptionMgr;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.utils.net.NetUtils;
import com.cloud.vm.ConsoleProxyVO;
import com.cloud.vm.NicProfile;
import com.cloud.vm.ReservationContext;
import com.cloud.vm.SystemVmLoadScanHandler;
import com.cloud.vm.SystemVmLoadScanner;
import com.cloud.vm.SystemVmLoadScanner.AfterScanAction;
import com.cloud.vm.VMInstanceVO;
import com.cloud.vm.VirtualMachine;
import com.cloud.vm.VirtualMachine.State;
import com.cloud.vm.VirtualMachineGuru;
import com.cloud.vm.VirtualMachineManager;
import com.cloud.vm.VirtualMachineName;
import com.cloud.vm.VirtualMachineProfile;
import com.cloud.vm.dao.ConsoleProxyDao;
import com.cloud.vm.dao.UserVmDetailsDao;
import com.cloud.vm.dao.VMInstanceDao;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
//
// Possible console proxy state transition cases
// Stopped --> Starting -> Running
// HA -> Stopped -> Starting -> Running
// Migrating -> Running (if previous state is Running before it enters into Migrating state
// Migrating -> Stopped (if previous state is not Running before it enters into Migrating state)
// Running -> HA (if agent lost connection)
// Stopped -> Destroyed
//
// Starting, HA, Migrating, Running state are all counted as "Open" for available capacity calculation
// because sooner or later, it will be driven into Running state
//
public class ConsoleProxyManagerImpl extends ManagerBase implements ConsoleProxyManager, VirtualMachineGuru, SystemVmLoadScanHandler<Long>, ResourceStateAdapter {
private static final Logger s_logger = Logger.getLogger(ConsoleProxyManagerImpl.class);
private static final int DEFAULT_CAPACITY_SCAN_INTERVAL = 30000; // 30 seconds
private static final int ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_SYNC = 180; // 3 minutes
private static final int STARTUP_DELAY = 60000; // 60 seconds
private int _consoleProxyPort = ConsoleProxyManager.DEFAULT_PROXY_VNC_PORT;
private int _mgmtPort = 8250;
private List<ConsoleProxyAllocator> _consoleProxyAllocators;
@Inject
private ConsoleProxyDao _consoleProxyDao;
@Inject
private DataCenterDao _dcDao;
@Inject
private VMTemplateDao _templateDao;
@Inject
private HostPodDao _podDao;
@Inject
private HostDao _hostDao;
@Inject
private ConfigurationDao _configDao;
@Inject
private VMInstanceDao _instanceDao;
@Inject
private TemplateDataStoreDao _vmTemplateStoreDao;
@Inject
private AgentManager _agentMgr;
@Inject
private NetworkOrchestrationService _networkMgr;
@Inject
private NetworkModel _networkModel;
@Inject
private AccountManager _accountMgr;
@Inject
private ServiceOfferingDao _offeringDao;
@Inject
private NetworkOfferingDao _networkOfferingDao;
@Inject
private PrimaryDataStoreDao _storagePoolDao;
@Inject
private UserVmDetailsDao _vmDetailsDao;
@Inject
private ResourceManager _resourceMgr;
@Inject
private NetworkDao _networkDao;
@Inject
private RulesManager _rulesMgr;
@Inject
private IPAddressDao _ipAddressDao;
@Inject
private KeysManager _keysMgr;
@Inject
private VirtualMachineManager _itMgr;
@Inject
private IndirectAgentLB indirectAgentLB;
private ConsoleProxyListener _listener;
private ServiceOfferingVO _serviceOffering;
/*
* private final ExecutorService _requestHandlerScheduler = Executors.newCachedThreadPool(new
* NamedThreadFactory("Request-handler"));
*/
private long _capacityScanInterval = DEFAULT_CAPACITY_SCAN_INTERVAL;
private int _capacityPerProxy = ConsoleProxyManager.DEFAULT_PROXY_CAPACITY;
private int _standbyCapacity = ConsoleProxyManager.DEFAULT_STANDBY_CAPACITY;
private boolean _useStorageVm;
private boolean _disableRpFilter = false;
private String _instance;
private int _proxySessionTimeoutValue = DEFAULT_PROXY_SESSION_TIMEOUT;
private boolean _sslEnabled = false;
private String _consoleProxyUrlDomain;
// global load picture at zone basis
private SystemVmLoadScanner<Long> _loadScanner;
private Map<Long, ZoneHostInfo> _zoneHostInfoMap; // map <zone id, info about running host in zone>
private Map<Long, ConsoleProxyLoadInfo> _zoneProxyCountMap; // map <zone id, info about proxy VMs count in zone>
private Map<Long, ConsoleProxyLoadInfo> _zoneVmCountMap; // map <zone id, info about running VMs count in zone>
private String _staticPublicIp;
private int _staticPort;
private final GlobalLock _allocProxyLock = GlobalLock.getInternLock(getAllocProxyLockName());
@Inject
private KeystoreDao _ksDao;
@Inject
private KeystoreManager _ksMgr;
public class VmBasedAgentHook extends AgentHookBase {
public VmBasedAgentHook(VMInstanceDao instanceDao, HostDao hostDao, ConfigurationDao cfgDao, KeystoreManager ksMgr, AgentManager agentMgr, KeysManager keysMgr) {
super(instanceDao, hostDao, cfgDao, ksMgr, agentMgr, keysMgr);
}
@Override
public void onLoadReport(ConsoleProxyLoadReportCommand cmd) {
if (cmd.getLoadInfo() == null) {
return;
}
ConsoleProxyStatus status = null;
try {
GsonBuilder gb = new GsonBuilder();
gb.setVersion(1.3);
Gson gson = gb.create();
status = gson.fromJson(cmd.getLoadInfo(), ConsoleProxyStatus.class);
} catch (Throwable e) {
s_logger.warn("Unable to parse load info from proxy, proxy vm id : " + cmd.getProxyVmId() + ", info : " + cmd.getLoadInfo());
}
if (status != null) {
int count = 0;
if (status.getConnections() != null) {
count = status.getConnections().length;
}
byte[] details = null;
if (cmd.getLoadInfo() != null) {
details = cmd.getLoadInfo().getBytes(Charset.forName("US-ASCII"));
}
_consoleProxyDao.update(cmd.getProxyVmId(), count, DateUtil.currentGMTTime(), details);
} else {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Unable to get console proxy load info, id : " + cmd.getProxyVmId());
}
_consoleProxyDao.update(cmd.getProxyVmId(), 0, DateUtil.currentGMTTime(), null);
}
}
@Override
public void onAgentDisconnect(long agentId, com.cloud.host.Status state) {
if (state == com.cloud.host.Status.Alert || state == com.cloud.host.Status.Disconnected) {
// be it either in alert or in disconnected state, the agent
// process
// may be gone in the VM,
// we will be reacting to stop the corresponding VM and let the
// scan
// process to
HostVO host = _hostDao.findById(agentId);
if (host.getType() == Type.ConsoleProxy) {
String name = host.getName();
if (s_logger.isInfoEnabled()) {
s_logger.info("Console proxy agent disconnected, proxy: " + name);
}
if (name != null && name.startsWith("v-")) {
String[] tokens = name.split("-");
long proxyVmId = 0;
try {
proxyVmId = Long.parseLong(tokens[1]);
} catch (NumberFormatException e) {
s_logger.error("Unexpected exception " + e.getMessage(), e);
return;
}
final ConsoleProxyVO proxy = _consoleProxyDao.findById(proxyVmId);
if (proxy != null) {
// Disable this feature for now, as it conflicts
// with
// the case of allowing user to reboot console proxy
// when rebooting happens, we will receive
// disconnect
// here and we can't enter into stopping process,
// as when the rebooted one comes up, it will kick
// off a
// newly started one and trigger the process
// continue on forever
/*
* _capacityScanScheduler.execute(new Runnable() {
* public void run() { if(s_logger.isInfoEnabled())
* s_logger.info("Stop console proxy " +
* proxy.getName() +
* " VM because of that the agent running inside it has disconnected"
* ); stopProxy(proxy.getId()); } });
*/
} else {
if (s_logger.isInfoEnabled()) {
s_logger.info("Console proxy agent disconnected but corresponding console proxy VM no longer exists in DB, proxy: " + name);
}
}
} else {
assert (false) : "Invalid console proxy name: " + name;
}
}
}
}
@Override
protected HostVO findConsoleProxyHost(StartupProxyCommand startupCmd) {
long proxyVmId = startupCmd.getProxyVmId();
ConsoleProxyVO consoleProxy = _consoleProxyDao.findById(proxyVmId);
if (consoleProxy == null) {
s_logger.info("Proxy " + proxyVmId + " is no longer in DB, skip sending startup command");
return null;
}
assert (consoleProxy != null);
return findConsoleProxyHostByName(consoleProxy.getHostName());
}
}
@Override
public ConsoleProxyInfo assignProxy(final long dataCenterId, final long vmId) {
ConsoleProxyVO proxy = doAssignProxy(dataCenterId, vmId);
if (proxy == null) {
return null;
}
if (proxy.getPublicIpAddress() == null) {
s_logger.warn("Assigned console proxy does not have a valid public IP address");
return null;
}
KeystoreVO ksVo = _ksDao.findByName(ConsoleProxyManager.CERTIFICATE_NAME);
if (proxy.isSslEnabled() && ksVo == null) {
s_logger.warn("SSL enabled for console proxy but no server certificate found in database");
}
if (_staticPublicIp == null) {
return new ConsoleProxyInfo(proxy.isSslEnabled(), proxy.getPublicIpAddress(), _consoleProxyPort, proxy.getPort(), _consoleProxyUrlDomain);
} else {
return new ConsoleProxyInfo(proxy.isSslEnabled(), _staticPublicIp, _consoleProxyPort, _staticPort, _consoleProxyUrlDomain);
}
}
public ConsoleProxyVO doAssignProxy(long dataCenterId, long vmId) {
ConsoleProxyVO proxy = null;
VMInstanceVO vm = _instanceDao.findById(vmId);
if (vm == null) {
s_logger.warn("VM " + vmId + " no longer exists, return a null proxy for vm:" + vmId);
return null;
}
if (vm != null && vm.getState() != State.Starting && vm.getState() != State.Running
&& vm.getState() != State.Stopping && vm.getState() != State.Migrating) {
if (s_logger.isInfoEnabled()) {
s_logger.info("Detected that vm : " + vmId + " is not currently in starting or running or stopping or migrating state, we will fail the proxy assignment for it");
}
return null;
}
if (_allocProxyLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_SYNC)) {
try {
if (vm.getProxyId() != null) {
proxy = _consoleProxyDao.findById(vm.getProxyId());
if (proxy != null) {
if (!isInAssignableState(proxy)) {
if (s_logger.isInfoEnabled()) {
s_logger.info("A previous assigned proxy is not assignable now, reassign console proxy for user vm : " + vmId);
}
proxy = null;
} else {
if (_consoleProxyDao.getProxyActiveLoad(proxy.getId()) < _capacityPerProxy || hasPreviousSession(proxy, vm)) {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Assign previous allocated console proxy for user vm : " + vmId);
}
if (proxy.getActiveSession() >= _capacityPerProxy) {
s_logger.warn("Assign overloaded proxy to user VM as previous session exists, user vm : " + vmId);
}
} else {
proxy = null;
}
}
}
}
if (proxy == null) {
proxy = assignProxyFromRunningPool(dataCenterId);
}
} finally {
_allocProxyLock.unlock();
}
} else {
s_logger.error("Unable to acquire synchronization lock to get/allocate proxy resource for vm :" + vmId +
". Previous console proxy allocation is taking too long");
}
if (proxy == null) {
s_logger.warn("Unable to find or allocate console proxy resource");
return null;
}
// if it is a new assignment or a changed assignment, update the record
if (vm.getProxyId() == null || vm.getProxyId().longValue() != proxy.getId()) {
_instanceDao.updateProxyId(vmId, proxy.getId(), DateUtil.currentGMTTime());
}
proxy.setSslEnabled(_sslEnabled);
if (_sslEnabled) {
proxy.setPort(443);
} else {
proxy.setPort(80);
}
return proxy;
}
private static boolean isInAssignableState(ConsoleProxyVO proxy) {
// console proxies that are in states of being able to serve user VM
State state = proxy.getState();
if (state == State.Running) {
return true;
}
return false;
}
private boolean hasPreviousSession(ConsoleProxyVO proxy, VMInstanceVO vm) {
ConsoleProxyStatus status = null;
try {
GsonBuilder gb = new GsonBuilder();
gb.setVersion(1.3);
Gson gson = gb.create();
byte[] details = proxy.getSessionDetails();
status = gson.fromJson(details != null ? new String(details, Charset.forName("US-ASCII")) : null, ConsoleProxyStatus.class);
} catch (Throwable e) {
s_logger.warn("Unable to parse proxy session details : " + Arrays.toString(proxy.getSessionDetails()));
}
if (status != null && status.getConnections() != null) {
ConsoleProxyConnectionInfo[] connections = status.getConnections();
for (int i = 0; i < connections.length; i++) {
long taggedVmId = 0;
if (connections[i].tag != null) {
try {
taggedVmId = Long.parseLong(connections[i].tag);
} catch (NumberFormatException e) {
s_logger.warn("Unable to parse console proxy connection info passed through tag: " + connections[i].tag, e);
}
}
if (taggedVmId == vm.getId()) {
return true;
}
}
//
// even if we are not in the list, it may because we haven't
// received load-update yet
// wait until session time
//
if (DateUtil.currentGMTTime().getTime() - vm.getProxyAssignTime().getTime() < _proxySessionTimeoutValue) {
return true;
}
return false;
} else {
s_logger.error("No proxy load info on an overloaded proxy ?");
return false;
}
}
@Override
public ConsoleProxyVO startProxy(long proxyVmId, boolean ignoreRestartSetting) {
try {
ConsoleProxyVO proxy = _consoleProxyDao.findById(proxyVmId);
if (proxy.getState() == VirtualMachine.State.Running) {
return proxy;
}
String restart = _configDao.getValue(Config.ConsoleProxyRestart.key());
if (!ignoreRestartSetting && restart != null && restart.equalsIgnoreCase("false")) {
return null;
}
if (proxy.getState() == VirtualMachine.State.Stopped) {
_itMgr.advanceStart(proxy.getUuid(), null, null);
proxy = _consoleProxyDao.findById(proxy.getId());
return proxy;
}
// For VMs that are in Stopping, Starting, Migrating state, let client to wait by returning null
// as sooner or later, Starting/Migrating state will be transited to Running and Stopping will be transited
// to Stopped to allow Starting of it
s_logger.warn("Console proxy is not in correct state to be started: " + proxy.getState());
return null;
} catch (StorageUnavailableException e) {
s_logger.warn("Exception while trying to start console proxy", e);
return null;
} catch (InsufficientCapacityException e) {
s_logger.warn("Exception while trying to start console proxy", e);
return null;
} catch (ResourceUnavailableException e) {
s_logger.warn("Exception while trying to start console proxy", e);
return null;
} catch (ConcurrentOperationException e) {
s_logger.warn("Runtime Exception while trying to start console proxy", e);
return null;
} catch (CloudRuntimeException e) {
s_logger.warn("Runtime Exception while trying to start console proxy", e);
return null;
} catch (OperationTimedoutException e) {
s_logger.warn("Runtime Exception while trying to start console proxy", e);
return null;
}
}
public ConsoleProxyVO assignProxyFromRunningPool(long dataCenterId) {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Assign console proxy from running pool for request from data center : " + dataCenterId);
}
ConsoleProxyAllocator allocator = getCurrentAllocator();
assert (allocator != null);
List<ConsoleProxyVO> runningList = _consoleProxyDao.getProxyListInStates(dataCenterId, State.Running);
if (runningList != null && runningList.size() > 0) {
Iterator<ConsoleProxyVO> it = runningList.iterator();
while (it.hasNext()) {
ConsoleProxyVO proxy = it.next();
if (proxy.getActiveSession() >= _capacityPerProxy) {
it.remove();
}
}
if (s_logger.isTraceEnabled()) {
s_logger.trace("Running proxy pool size : " + runningList.size());
for (ConsoleProxyVO proxy : runningList) {
s_logger.trace("Running proxy instance : " + proxy.getHostName());
}
}
List<Pair<Long, Integer>> l = _consoleProxyDao.getProxyLoadMatrix();
Map<Long, Integer> loadInfo = new HashMap<Long, Integer>();
if (l != null) {
for (Pair<Long, Integer> p : l) {
loadInfo.put(p.first(), p.second());
if (s_logger.isTraceEnabled()) {
s_logger.trace("Running proxy instance allocation load { proxy id : " + p.first() + ", load : " + p.second() + "}");
}
}
}
Long allocated = allocator.allocProxy(runningList, loadInfo, dataCenterId);
if (allocated == null) {
s_logger.debug("Unable to find a console proxy ");
return null;
}
return _consoleProxyDao.findById(allocated);
} else {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Empty running proxy pool for now in data center : " + dataCenterId);
}
}
return null;
}
public ConsoleProxyVO assignProxyFromStoppedPool(long dataCenterId) {
// practically treat all console proxy VM that is not in Running state but can be entering into Running state as
// candidates
// this is to prevent launching unneccessary console proxy VMs because of temporarily unavailable state
List<ConsoleProxyVO> l = _consoleProxyDao.getProxyListInStates(dataCenterId, State.Starting, State.Stopped, State.Migrating, State.Stopping);
if (l != null && l.size() > 0) {
return l.get(0);
}
return null;
}
public ConsoleProxyVO startNew(long dataCenterId) throws ConcurrentOperationException {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Assign console proxy from a newly started instance for request from data center : " + dataCenterId);
}
if (!allowToLaunchNew(dataCenterId)) {
s_logger.warn("The number of launched console proxy on zone " + dataCenterId + " has reached to limit");
return null;
}
VMTemplateVO template = null;
HypervisorType availableHypervisor = _resourceMgr.getAvailableHypervisor(dataCenterId);
template = _templateDao.findSystemVMReadyTemplate(dataCenterId, availableHypervisor);
if (template == null) {
throw new CloudRuntimeException("Not able to find the System templates or not downloaded in zone " + dataCenterId);
}
Map<String, Object> context = createProxyInstance(dataCenterId, template);
long proxyVmId = (Long)context.get("proxyVmId");
if (proxyVmId == 0) {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Creating proxy instance failed, data center id : " + dataCenterId);
}
return null;
}
ConsoleProxyVO proxy = _consoleProxyDao.findById(proxyVmId);
if (proxy != null) {
SubscriptionMgr.getInstance().notifySubscribers(ConsoleProxyManager.ALERT_SUBJECT, this,
new ConsoleProxyAlertEventArgs(ConsoleProxyAlertEventArgs.PROXY_CREATED, dataCenterId, proxy.getId(), proxy, null));
return proxy;
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Unable to allocate console proxy storage, remove the console proxy record from DB, proxy id: " + proxyVmId);
}
}
return null;
}
/**
* Get the default network for the console proxy VM, based on the zone it is in. Delegates to
* either {@link #getDefaultNetworkForZone(DataCenter)} or {@link #getDefaultNetworkForAdvancedSGZone(DataCenter)},
* depending on the zone network type and whether or not security groups are enabled in the zone.
* @param dc - The zone (DataCenter) of the console proxy VM.
* @return The default network for use with the console proxy VM.
*/
protected NetworkVO getDefaultNetworkForCreation(DataCenter dc) {
if (dc.getNetworkType() == NetworkType.Advanced) {
return getDefaultNetworkForAdvancedZone(dc);
} else {
return getDefaultNetworkForBasicZone(dc);
}
}
/**
* Get default network for a console proxy VM starting up in an advanced zone. If the zone
* is security group-enabled, the first network found that supports SG services is returned.
* If the zone is not SG-enabled, the Public network is returned.
* @param dc - The zone.
* @return The selected default network.
* @throws CloudRuntimeException - If the zone is not a valid choice or a network couldn't be found.
*/
protected NetworkVO getDefaultNetworkForAdvancedZone(DataCenter dc) {
if (dc.getNetworkType() != NetworkType.Advanced) {
throw new CloudRuntimeException("Zone " + dc + " is not advanced.");
}
if (dc.isSecurityGroupEnabled()) {
List<NetworkVO> networks = _networkDao.listByZoneSecurityGroup(dc.getId());
if (CollectionUtils.isEmpty(networks)) {
throw new CloudRuntimeException("Can not found security enabled network in SG Zone " + dc);
}
return networks.get(0);
}
else {
TrafficType defaultTrafficType = TrafficType.Public;
List<NetworkVO> defaultNetworks = _networkDao.listByZoneAndTrafficType(dc.getId(), defaultTrafficType);
// api should never allow this situation to happen
if (defaultNetworks.size() != 1) {
throw new CloudRuntimeException("Found " + defaultNetworks.size() + " networks of type " + defaultTrafficType + " when expect to find 1");
}
return defaultNetworks.get(0);
}
}
/**
* Get default network for console proxy VM for starting up in a basic zone. Basic zones select
* the Guest network whether or not the zone is SG-enabled.
* @param dc - The zone.
* @return The default network according to the zone's network selection rules.
* @throws CloudRuntimeException - If the zone is not a valid choice or a network couldn't be found.
*/
protected NetworkVO getDefaultNetworkForBasicZone(DataCenter dc) {
if (dc.getNetworkType() != NetworkType.Basic) {
throw new CloudRuntimeException("Zone " + dc + "is not basic.");
}
TrafficType defaultTrafficType = TrafficType.Guest;
List<NetworkVO> defaultNetworks = _networkDao.listByZoneAndTrafficType(dc.getId(), defaultTrafficType);
// api should never allow this situation to happen
if (defaultNetworks.size() != 1) {
throw new CloudRuntimeException("Found " + defaultNetworks.size() + " networks of type " + defaultTrafficType + " when expect to find 1");
}
return defaultNetworks.get(0);
}
protected Map<String, Object> createProxyInstance(long dataCenterId, VMTemplateVO template) throws ConcurrentOperationException {
long id = _consoleProxyDao.getNextInSequence(Long.class, "id");
String name = VirtualMachineName.getConsoleProxyName(id, _instance);
DataCenterVO dc = _dcDao.findById(dataCenterId);
Account systemAcct = _accountMgr.getSystemAccount();
DataCenterDeployment plan = new DataCenterDeployment(dataCenterId);
NetworkVO defaultNetwork = getDefaultNetworkForCreation(dc);
List<? extends NetworkOffering> offerings =
_networkModel.getSystemAccountNetworkOfferings(NetworkOffering.SystemControlNetwork, NetworkOffering.SystemManagementNetwork);
LinkedHashMap<Network, List<? extends NicProfile>> networks = new LinkedHashMap<Network, List<? extends NicProfile>>(offerings.size() + 1);
NicProfile defaultNic = new NicProfile();
defaultNic.setDefaultNic(true);
defaultNic.setDeviceId(2);
networks.put(_networkMgr.setupNetwork(systemAcct, _networkOfferingDao.findById(defaultNetwork.getNetworkOfferingId()), plan, null, null, false).get(0),
new ArrayList<NicProfile>(Arrays.asList(defaultNic)));
for (NetworkOffering offering : offerings) {
networks.put(_networkMgr.setupNetwork(systemAcct, offering, plan, null, null, false).get(0), new ArrayList<NicProfile>());
}
ServiceOfferingVO serviceOffering = _serviceOffering;
if (serviceOffering == null) {
serviceOffering = _offeringDao.findDefaultSystemOffering(ServiceOffering.consoleProxyDefaultOffUniqueName, ConfigurationManagerImpl.SystemVMUseLocalStorage.valueIn(dataCenterId));
}
ConsoleProxyVO proxy =
new ConsoleProxyVO(id, serviceOffering.getId(), name, template.getId(), template.getHypervisorType(), template.getGuestOSId(), dataCenterId,
systemAcct.getDomainId(), systemAcct.getId(), _accountMgr.getSystemUser().getId(), 0, serviceOffering.isOfferHA());
proxy.setDynamicallyScalable(template.isDynamicallyScalable());
proxy = _consoleProxyDao.persist(proxy);
try {
_itMgr.allocate(name, template, serviceOffering, networks, plan, null);
} catch (InsufficientCapacityException e) {
s_logger.warn("InsufficientCapacity", e);
throw new CloudRuntimeException("Insufficient capacity exception", e);
}
Map<String, Object> context = new HashMap<String, Object>();
context.put("dc", dc);
HostPodVO pod = _podDao.findById(proxy.getPodIdToDeployIn());
context.put("pod", pod);
context.put("proxyVmId", proxy.getId());
return context;
}
private ConsoleProxyAllocator getCurrentAllocator() {
// for now, only one adapter is supported
for (ConsoleProxyAllocator allocator : _consoleProxyAllocators) {
return allocator;
}
return null;
}
public void onLoadAnswer(ConsoleProxyLoadAnswer answer) {
if (answer.getDetails() == null) {
return;
}
ConsoleProxyStatus status = null;
try {
GsonBuilder gb = new GsonBuilder();
gb.setVersion(1.3);
Gson gson = gb.create();
status = gson.fromJson(answer.getDetails(), ConsoleProxyStatus.class);
} catch (Throwable e) {
s_logger.warn("Unable to parse load info from proxy, proxy vm id : " + answer.getProxyVmId() + ", info : " + answer.getDetails());
}
if (status != null) {
int count = 0;
if (status.getConnections() != null) {
count = status.getConnections().length;
}
byte[] details = null;
if (answer.getDetails() != null) {
details = answer.getDetails().getBytes(Charset.forName("US-ASCII"));
}
_consoleProxyDao.update(answer.getProxyVmId(), count, DateUtil.currentGMTTime(), details);
} else {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Unable to get console proxy load info, id : " + answer.getProxyVmId());
}
_consoleProxyDao.update(answer.getProxyVmId(), 0, DateUtil.currentGMTTime(), null);
// TODO : something is wrong with the VM, restart it?
}
}
public void handleAgentDisconnect(long agentId, com.cloud.host.Status state) {
if (state == com.cloud.host.Status.Alert || state == com.cloud.host.Status.Disconnected) {
// be it either in alert or in disconnected state, the agent process
// may be gone in the VM,
// we will be reacting to stop the corresponding VM and let the scan
// process to
HostVO host = _hostDao.findById(agentId);
if (host.getType() == Type.ConsoleProxy) {
String name = host.getName();
if (s_logger.isInfoEnabled()) {
s_logger.info("Console proxy agent disconnected, proxy: " + name);
}
if (name != null && name.startsWith("v-")) {
String[] tokens = name.split("-");
long proxyVmId = 0;
try {
proxyVmId = Long.parseLong(tokens[1]);
} catch (NumberFormatException e) {
s_logger.error("Unexpected exception " + e.getMessage(), e);
return;
}
final ConsoleProxyVO proxy = _consoleProxyDao.findById(proxyVmId);
if (proxy != null) {
// Disable this feature for now, as it conflicts with
// the case of allowing user to reboot console proxy
// when rebooting happens, we will receive disconnect
// here and we can't enter into stopping process,
// as when the rebooted one comes up, it will kick off a
// newly started one and trigger the process
// continue on forever
/*
* _capacityScanScheduler.execute(new Runnable() { public void run() {
* if(s_logger.isInfoEnabled())
* s_logger.info("Stop console proxy " + proxy.getName() +
* " VM because of that the agent running inside it has disconnected" );
* stopProxy(proxy.getId()); } });
*/
} else {
if (s_logger.isInfoEnabled()) {
s_logger.info("Console proxy agent disconnected but corresponding console proxy VM no longer exists in DB, proxy: " + name);
}
}
} else {
assert (false) : "Invalid console proxy name: " + name;
}
}
}
}
private boolean reserveStandbyCapacity() {
ConsoleProxyManagementState state = getManagementState();
if (state == null || state != ConsoleProxyManagementState.Auto) {
return false;
}
return true;
}
private boolean isConsoleProxyVmRequired(long dcId) {
DataCenterVO dc = _dcDao.findById(dcId);
_dcDao.loadDetails(dc);
String cpvmReq = dc.getDetail(ZoneConfig.EnableConsoleProxyVm.key());
if (cpvmReq != null) {
return Boolean.parseBoolean(cpvmReq);
}
return true;
}
private boolean allowToLaunchNew(long dcId) {
if (!isConsoleProxyVmRequired(dcId)) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Console proxy vm not required in zone " + dcId + " not launching");
}
return false;
}
List<ConsoleProxyVO> l =
_consoleProxyDao.getProxyListInStates(dcId, VirtualMachine.State.Starting, VirtualMachine.State.Running, VirtualMachine.State.Stopping,
VirtualMachine.State.Stopped, VirtualMachine.State.Migrating, VirtualMachine.State.Shutdown, VirtualMachine.State.Unknown);
String value = _configDao.getValue(Config.ConsoleProxyLaunchMax.key());
int launchLimit = NumbersUtil.parseInt(value, 10);
return l.size() < launchLimit;
}
private boolean checkCapacity(ConsoleProxyLoadInfo proxyCountInfo, ConsoleProxyLoadInfo vmCountInfo) {
if (proxyCountInfo.getCount() * _capacityPerProxy - vmCountInfo.getCount() <= _standbyCapacity) {
return false;
}
return true;
}
private void allocCapacity(long dataCenterId) {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Allocate console proxy standby capacity for data center : " + dataCenterId);
}
ConsoleProxyVO proxy = null;
String errorString = null;
try {
boolean consoleProxyVmFromStoppedPool = false;
proxy = assignProxyFromStoppedPool(dataCenterId);
if (proxy == null) {
if (s_logger.isInfoEnabled()) {
s_logger.info("No stopped console proxy is available, need to allocate a new console proxy");
}
if (_allocProxyLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_SYNC)) {
try {
proxy = startNew(dataCenterId);
} catch (ConcurrentOperationException e) {
s_logger.info("Concurrent operation exception caught " + e);
} finally {
_allocProxyLock.unlock();
}
} else {
if (s_logger.isInfoEnabled()) {
s_logger.info("Unable to acquire synchronization lock for console proxy vm allocation, wait for next scan");
}
}
} else {
if (s_logger.isInfoEnabled()) {
s_logger.info("Found a stopped console proxy, starting it. Vm id : " + proxy.getId());
}
consoleProxyVmFromStoppedPool = true;
}
if (proxy != null) {
long proxyVmId = proxy.getId();
proxy = startProxy(proxyVmId, false);
if (proxy != null) {
if (s_logger.isInfoEnabled()) {
s_logger.info("Console proxy " + proxy.getHostName() + " is started");
}
SubscriptionMgr.getInstance().notifySubscribers(ConsoleProxyManager.ALERT_SUBJECT, this,
new ConsoleProxyAlertEventArgs(ConsoleProxyAlertEventArgs.PROXY_UP, dataCenterId, proxy.getId(), proxy, null));
} else {
if (s_logger.isInfoEnabled()) {
s_logger.info("Unable to start console proxy vm for standby capacity, vm id : " + proxyVmId + ", will recycle it and start a new one");
}
if (consoleProxyVmFromStoppedPool) {
destroyProxy(proxyVmId);
}
}
}
} catch (Exception e) {
errorString = e.getMessage();
throw e;
} finally {
// TODO - For now put all the alerts as creation failure. Distinguish between creation vs start failure in future.
// Also add failure reason since startvm masks some of them.
if (proxy == null || proxy.getState() != State.Running)
SubscriptionMgr.getInstance().notifySubscribers(ConsoleProxyManager.ALERT_SUBJECT, this,
new ConsoleProxyAlertEventArgs(ConsoleProxyAlertEventArgs.PROXY_CREATE_FAILURE, dataCenterId, 0l, null, errorString));
}
}
public boolean isZoneReady(Map<Long, ZoneHostInfo> zoneHostInfoMap, long dataCenterId) {
ZoneHostInfo zoneHostInfo = zoneHostInfoMap.get(dataCenterId);
if (zoneHostInfo != null && isZoneHostReady(zoneHostInfo)) {
VMTemplateVO template = _templateDao.findSystemVMReadyTemplate(dataCenterId, HypervisorType.Any);
if (template == null) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("System vm template is not ready at data center " + dataCenterId + ", wait until it is ready to launch console proxy vm");
}
return false;
}
TemplateDataStoreVO templateHostRef = _vmTemplateStoreDao.findByTemplateZoneDownloadStatus(template.getId(), dataCenterId, Status.DOWNLOADED);
if (templateHostRef != null) {
boolean useLocalStorage = false;
Boolean useLocal = ConfigurationManagerImpl.SystemVMUseLocalStorage.valueIn(dataCenterId);
if (useLocal != null) {
useLocalStorage = useLocal.booleanValue();
}
List<Pair<Long, Integer>> l = _consoleProxyDao.getDatacenterStoragePoolHostInfo(dataCenterId, useLocalStorage);
if (l != null && l.size() > 0 && l.get(0).second().intValue() > 0) {
return true;
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Primary storage is not ready, wait until it is ready to launch console proxy");
}
}
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Zone host is ready, but console proxy template: " + template.getId() + " is not ready on secondary storage.");
}
}
}
return false;
}
private boolean isZoneHostReady(ZoneHostInfo zoneHostInfo) {
int expectedFlags = 0;
if (_useStorageVm) {
expectedFlags = RunningHostInfoAgregator.ZoneHostInfo.ROUTING_HOST_MASK;
} else {
expectedFlags = RunningHostInfoAgregator.ZoneHostInfo.ALL_HOST_MASK;
}
return (zoneHostInfo.getFlags() & expectedFlags) == expectedFlags;
}
private synchronized Map<Long, ZoneHostInfo> getZoneHostInfo() {
Date cutTime = DateUtil.currentGMTTime();
List<RunningHostCountInfo> l = _hostDao.getRunningHostCounts(new Date(cutTime.getTime() - ClusterManager.HeartbeatThreshold.value()));
RunningHostInfoAgregator aggregator = new RunningHostInfoAgregator();
if (l.size() > 0) {
for (RunningHostCountInfo countInfo : l) {
aggregator.aggregate(countInfo);
}
}
return aggregator.getZoneHostInfoMap();
}
@Override
public boolean start() {
if (s_logger.isInfoEnabled()) {
s_logger.info("Start console proxy manager");
}
return true;
}
@Override
public boolean stop() {
if (s_logger.isInfoEnabled()) {
s_logger.info("Stop console proxy manager");
}
_loadScanner.stop();
_allocProxyLock.releaseRef();
_resourceMgr.unregisterResourceStateAdapter(this.getClass().getSimpleName());
return true;
}
@Override
public boolean stopProxy(long proxyVmId) {
ConsoleProxyVO proxy = _consoleProxyDao.findById(proxyVmId);
if (proxy == null) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Stopping console proxy failed: console proxy " + proxyVmId + " no longer exists");
}
return false;
}
try {
_itMgr.stop(proxy.getUuid());
return true;
} catch (ResourceUnavailableException e) {
s_logger.warn("Stopping console proxy " + proxy.getHostName() + " failed : exception ", e);
return false;
} catch (CloudRuntimeException e) {
s_logger.warn("Unable to stop proxy ", e);
return false;
}
}
@Override
@DB
public void setManagementState(final ConsoleProxyManagementState state) {
try {
final ConsoleProxyManagementState lastState = getManagementState();
if (lastState == null) {
return;
}
if (lastState != state) {
Transaction.execute(new TransactionCallbackNoReturn() {
@Override
public void doInTransactionWithoutResult(TransactionStatus status) {
_configDao.update(Config.ConsoleProxyManagementLastState.key(), Config.ConsoleProxyManagementLastState.getCategory(), lastState.toString());
_configDao.update(Config.ConsoleProxyManagementState.key(), Config.ConsoleProxyManagementState.getCategory(), state.toString());
}
});
}
} catch (Throwable e) {
s_logger.error("Failed to set managment state", e);
}
}
@Override
public ConsoleProxyManagementState getManagementState() {
String value = _configDao.getValue(Config.ConsoleProxyManagementState.key());
if (value != null) {
ConsoleProxyManagementState state = ConsoleProxyManagementState.valueOf(value);
if (state == null) {
s_logger.error("Invalid console proxy management state: " + value);
}
return state;
}
s_logger.error("Invalid console proxy management state: " + value);
return null;
}
@Override
@DB
public void resumeLastManagementState() {
try {
ConsoleProxyManagementState state = getManagementState();
ConsoleProxyManagementState lastState = getLastManagementState();
if (lastState == null) {
return;
}
if (lastState != state) {
_configDao.update(Config.ConsoleProxyManagementState.key(), Config.ConsoleProxyManagementState.getCategory(), lastState.toString());
}
} catch (Throwable e) {
s_logger.error("Failed to resume last management state", e);
}
}
private ConsoleProxyManagementState getLastManagementState() {
String value = _configDao.getValue(Config.ConsoleProxyManagementLastState.key());
if (value != null) {
ConsoleProxyManagementState state = ConsoleProxyManagementState.valueOf(value);
if (state == null) {
s_logger.error("Invalid console proxy management state: " + value);
}
return state;
}
s_logger.error("Invalid console proxy management state: " + value);
return null;
}
@Override
public boolean rebootProxy(long proxyVmId) {
final ConsoleProxyVO proxy = _consoleProxyDao.findById(proxyVmId);
if (proxy == null || proxy.getState() == State.Destroyed) {
return false;
}
if (proxy.getState() == State.Running && proxy.getHostId() != null) {
final RebootCommand cmd = new RebootCommand(proxy.getInstanceName(), _itMgr.getExecuteInSequence(proxy.getHypervisorType()));
final Answer answer = _agentMgr.easySend(proxy.getHostId(), cmd);
if (answer != null && answer.getResult()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Successfully reboot console proxy " + proxy.getHostName());
}
SubscriptionMgr.getInstance().notifySubscribers(ConsoleProxyManager.ALERT_SUBJECT, this,
new ConsoleProxyAlertEventArgs(ConsoleProxyAlertEventArgs.PROXY_REBOOTED, proxy.getDataCenterId(), proxy.getId(), proxy, null));
return true;
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("failed to reboot console proxy : " + proxy.getHostName());
}
return false;
}
} else {
return startProxy(proxyVmId, false) != null;
}
}
@Override
public boolean destroyProxy(long vmId) {
ConsoleProxyVO proxy = _consoleProxyDao.findById(vmId);
try {
//expunge the vm
_itMgr.expunge(proxy.getUuid());
proxy.setPublicIpAddress(null);
proxy.setPublicMacAddress(null);
proxy.setPublicNetmask(null);
proxy.setPrivateMacAddress(null);
proxy.setPrivateIpAddress(null);
_consoleProxyDao.update(proxy.getId(), proxy);
_consoleProxyDao.remove(vmId);
HostVO host = _hostDao.findByTypeNameAndZoneId(proxy.getDataCenterId(), proxy.getHostName(), Host.Type.ConsoleProxy);
if (host != null) {
s_logger.debug("Removing host entry for proxy id=" + vmId);
return _hostDao.remove(host.getId());
}
return true;
} catch (ResourceUnavailableException e) {
s_logger.warn("Unable to expunge " + proxy, e);
return false;
}
}
private String getAllocProxyLockName() {
return "consoleproxy.alloc";
}
@Override
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
if (s_logger.isInfoEnabled()) {
s_logger.info("Start configuring console proxy manager : " + name);
}
Map<String, String> configs = _configDao.getConfiguration("management-server", params);
String value = configs.get("consoleproxy.sslEnabled");
if (value != null && value.equalsIgnoreCase("true")) {
_sslEnabled = true;
}
_consoleProxyUrlDomain = configs.get(Config.ConsoleProxyUrlDomain.key());
if( _sslEnabled && (_consoleProxyUrlDomain == null || _consoleProxyUrlDomain.isEmpty())) {
s_logger.warn("Empty console proxy domain, explicitly disabling SSL");
_sslEnabled = false;
}
value = configs.get(Config.ConsoleProxyCapacityScanInterval.key());
_capacityScanInterval = NumbersUtil.parseLong(value, DEFAULT_CAPACITY_SCAN_INTERVAL);
_capacityPerProxy = NumbersUtil.parseInt(configs.get("consoleproxy.session.max"), DEFAULT_PROXY_CAPACITY);
_standbyCapacity = NumbersUtil.parseInt(configs.get("consoleproxy.capacity.standby"), DEFAULT_STANDBY_CAPACITY);
_proxySessionTimeoutValue = NumbersUtil.parseInt(configs.get("consoleproxy.session.timeout"), DEFAULT_PROXY_SESSION_TIMEOUT);
value = configs.get("consoleproxy.port");
if (value != null) {
_consoleProxyPort = NumbersUtil.parseInt(value, ConsoleProxyManager.DEFAULT_PROXY_VNC_PORT);
}
value = configs.get(Config.ConsoleProxyDisableRpFilter.key());
if (value != null && value.equalsIgnoreCase("true")) {
_disableRpFilter = true;
}
value = configs.get("secondary.storage.vm");
if (value != null && value.equalsIgnoreCase("true")) {
_useStorageVm = true;
}
if (s_logger.isInfoEnabled()) {
s_logger.info("Console proxy max session soft limit : " + _capacityPerProxy);
s_logger.info("Console proxy standby capacity : " + _standbyCapacity);
}
_instance = configs.get("instance.name");
if (_instance == null) {
_instance = "DEFAULT";
}
Map<String, String> agentMgrConfigs = _configDao.getConfiguration("AgentManager", params);
value = agentMgrConfigs.get("port");
_mgmtPort = NumbersUtil.parseInt(value, 8250);
_listener = new ConsoleProxyListener(new VmBasedAgentHook(_instanceDao, _hostDao, _configDao, _ksMgr, _agentMgr, _keysMgr));
_agentMgr.registerForHostEvents(_listener, true, true, false);
_itMgr.registerGuru(VirtualMachine.Type.ConsoleProxy, this);
//check if there is a default service offering configured
String cpvmSrvcOffIdStr = configs.get(Config.ConsoleProxyServiceOffering.key());
if (cpvmSrvcOffIdStr != null) {
_serviceOffering = _offeringDao.findByUuid(cpvmSrvcOffIdStr);
if (_serviceOffering == null) {
try {
_serviceOffering = _offeringDao.findById(Long.parseLong(cpvmSrvcOffIdStr));
} catch (NumberFormatException ex) {
s_logger.debug("The system service offering specified by global config is not id, but uuid=" + cpvmSrvcOffIdStr + " for console proxy vm");
}
}
if (_serviceOffering == null) {
s_logger.warn("Can't find system service offering specified by global config, uuid=" + cpvmSrvcOffIdStr + " for console proxy vm");
}
}
if (_serviceOffering == null || !_serviceOffering.isSystemUse()) {
int ramSize = NumbersUtil.parseInt(_configDao.getValue("console.ram.size"), DEFAULT_PROXY_VM_RAMSIZE);
int cpuFreq = NumbersUtil.parseInt(_configDao.getValue("console.cpu.mhz"), DEFAULT_PROXY_VM_CPUMHZ);
List<ServiceOfferingVO> offerings = _offeringDao.createSystemServiceOfferings("System Offering For Console Proxy",
ServiceOffering.consoleProxyDefaultOffUniqueName, 1, ramSize, cpuFreq, 0, 0, false, null,
Storage.ProvisioningType.THIN, true, null, true, VirtualMachine.Type.ConsoleProxy, true);
// this can sometimes happen, if DB is manually or programmatically manipulated
if (offerings == null || offerings.size() < 2) {
String msg = "Data integrity problem : System Offering For Console Proxy has been removed?";
s_logger.error(msg);
throw new ConfigurationException(msg);
}
}
_loadScanner = new SystemVmLoadScanner<Long>(this);
_loadScanner.initScan(STARTUP_DELAY, _capacityScanInterval);
_resourceMgr.registerResourceStateAdapter(this.getClass().getSimpleName(), this);
_staticPublicIp = _configDao.getValue("consoleproxy.static.publicIp");
if (_staticPublicIp != null) {
_staticPort = NumbersUtil.parseInt(_configDao.getValue("consoleproxy.static.port"), 8443);
}
if (s_logger.isInfoEnabled()) {
s_logger.info("Console Proxy Manager is configured.");
}
return true;
}
protected ConsoleProxyManagerImpl() {
}
@Override
public boolean finalizeVirtualMachineProfile(VirtualMachineProfile profile, DeployDestination dest, ReservationContext context) {
ConsoleProxyVO vm = _consoleProxyDao.findById(profile.getId());
Map<String, String> details = _vmDetailsDao.listDetailsKeyPairs(vm.getId());
vm.setDetails(details);
StringBuilder buf = profile.getBootArgsBuilder();
buf.append(" template=domP type=consoleproxy");
buf.append(" host=").append(StringUtils.toCSVList(indirectAgentLB.getManagementServerList(dest.getHost().getId(), dest.getDataCenter().getId(), null)));
buf.append(" port=").append(_mgmtPort);
buf.append(" name=").append(profile.getVirtualMachine().getHostName());
if (_sslEnabled) {
buf.append(" premium=true");
}
buf.append(" zone=").append(dest.getDataCenter().getId());
buf.append(" pod=").append(dest.getPod().getId());
buf.append(" guid=Proxy.").append(profile.getId());
buf.append(" proxy_vm=").append(profile.getId());
if (_disableRpFilter) {
buf.append(" disable_rp_filter=true");
}
boolean externalDhcp = false;
String externalDhcpStr = _configDao.getValue("direct.attach.network.externalIpAllocator.enabled");
if (externalDhcpStr != null && externalDhcpStr.equalsIgnoreCase("true")) {
externalDhcp = true;
}
if (Boolean.valueOf(_configDao.getValue("system.vm.random.password"))) {
buf.append(" vmpassword=").append(_configDao.getValue("system.vm.password"));
}
for (NicProfile nic : profile.getNics()) {
int deviceId = nic.getDeviceId();
if (nic.getIPv4Address() == null) {
buf.append(" eth").append(deviceId).append("ip=").append("0.0.0.0");
buf.append(" eth").append(deviceId).append("mask=").append("0.0.0.0");
} else {
buf.append(" eth").append(deviceId).append("ip=").append(nic.getIPv4Address());
buf.append(" eth").append(deviceId).append("mask=").append(nic.getIPv4Netmask());
}
if (nic.isDefaultNic()) {
buf.append(" gateway=").append(nic.getIPv4Gateway());
}
if (nic.getTrafficType() == TrafficType.Management) {
String mgmt_cidr = _configDao.getValue(Config.ManagementNetwork.key());
if (NetUtils.isValidIp4Cidr(mgmt_cidr)) {
buf.append(" mgmtcidr=").append(mgmt_cidr);
}
buf.append(" localgw=").append(dest.getPod().getGateway());
}
}
/* External DHCP mode */
if (externalDhcp) {
buf.append(" bootproto=dhcp");
}
DataCenterVO dc = _dcDao.findById(profile.getVirtualMachine().getDataCenterId());
buf.append(" internaldns1=").append(dc.getInternalDns1());
if (dc.getInternalDns2() != null) {
buf.append(" internaldns2=").append(dc.getInternalDns2());
}
buf.append(" dns1=").append(dc.getDns1());
if (dc.getDns2() != null) {
buf.append(" dns2=").append(dc.getDns2());
}
String bootArgs = buf.toString();
if (s_logger.isDebugEnabled()) {
s_logger.debug("Boot Args for " + profile + ": " + bootArgs);
}
return true;
}
@Override
public boolean finalizeDeployment(Commands cmds, VirtualMachineProfile profile, DeployDestination dest, ReservationContext context) {
finalizeCommandsOnStart(cmds, profile);
ConsoleProxyVO proxy = _consoleProxyDao.findById(profile.getId());
DataCenter dc = dest.getDataCenter();
List<NicProfile> nics = profile.getNics();
for (NicProfile nic : nics) {
if ((nic.getTrafficType() == TrafficType.Public && dc.getNetworkType() == NetworkType.Advanced) ||
(nic.getTrafficType() == TrafficType.Guest && (dc.getNetworkType() == NetworkType.Basic || dc.isSecurityGroupEnabled()))) {
proxy.setPublicIpAddress(nic.getIPv4Address());
proxy.setPublicNetmask(nic.getIPv4Netmask());
proxy.setPublicMacAddress(nic.getMacAddress());
} else if (nic.getTrafficType() == TrafficType.Management) {
proxy.setPrivateIpAddress(nic.getIPv4Address());
proxy.setPrivateMacAddress(nic.getMacAddress());
}
}
_consoleProxyDao.update(proxy.getId(), proxy);
return true;
}
@Override
public boolean finalizeCommandsOnStart(Commands cmds, VirtualMachineProfile profile) {
NicProfile managementNic = null;
NicProfile controlNic = null;
for (NicProfile nic : profile.getNics()) {
if (nic.getTrafficType() == TrafficType.Management) {
managementNic = nic;
} else if (nic.getTrafficType() == TrafficType.Control && nic.getIPv4Address() != null) {
controlNic = nic;
}
}
if (controlNic == null) {
if (managementNic == null) {
s_logger.error("Management network doesn't exist for the console proxy vm " + profile.getVirtualMachine());
return false;
}
controlNic = managementNic;
}
// verify ssh access on management nic for system vm running on HyperV
if(profile.getHypervisorType() == HypervisorType.Hyperv) {
controlNic = managementNic;
}
CheckSshCommand check = new CheckSshCommand(profile.getInstanceName(), controlNic.getIPv4Address(), 3922);
cmds.addCommand("checkSsh", check);
return true;
}
@Override
public boolean finalizeStart(VirtualMachineProfile profile, long hostId, Commands cmds, ReservationContext context) {
CheckSshAnswer answer = (CheckSshAnswer)cmds.getAnswer("checkSsh");
if (answer == null || !answer.getResult()) {
if (answer != null) {
s_logger.warn("Unable to ssh to the VM: " + answer.getDetails());
} else {
s_logger.warn("Unable to ssh to the VM: null answer");
}
return false;
}
try {
//get system ip and create static nat rule for the vm in case of basic networking with EIP/ELB
_rulesMgr.getSystemIpAndEnableStaticNatForVm(profile.getVirtualMachine(), false);
IPAddressVO ipaddr = _ipAddressDao.findByAssociatedVmId(profile.getVirtualMachine().getId());
if (ipaddr != null && ipaddr.getSystem()) {
ConsoleProxyVO consoleVm = _consoleProxyDao.findById(profile.getId());
// override CPVM guest IP with EIP, so that console url's will be prepared with EIP
consoleVm.setPublicIpAddress(ipaddr.getAddress().addr());
_consoleProxyDao.update(consoleVm.getId(), consoleVm);
}
} catch (Exception ex) {
s_logger.warn("Failed to get system ip and enable static nat for the vm " + profile.getVirtualMachine() + " due to exception ", ex);
return false;
}
return true;
}
@Override
public void finalizeExpunge(VirtualMachine vm) {
ConsoleProxyVO proxy = _consoleProxyDao.findById(vm.getId());
proxy.setPublicIpAddress(null);
proxy.setPublicMacAddress(null);
proxy.setPublicNetmask(null);
proxy.setPrivateMacAddress(null);
proxy.setPrivateIpAddress(null);
_consoleProxyDao.update(proxy.getId(), proxy);
}
@Override
public void finalizeStop(VirtualMachineProfile profile, Answer answer) {
//release elastic IP here if assigned
IPAddressVO ip = _ipAddressDao.findByAssociatedVmId(profile.getId());
if (ip != null && ip.getSystem()) {
CallContext ctx = CallContext.current();
try {
_rulesMgr.disableStaticNat(ip.getId(), ctx.getCallingAccount(), ctx.getCallingUserId(), true);
} catch (Exception ex) {
s_logger.warn("Failed to disable static nat and release system ip " + ip + " as a part of vm " + profile.getVirtualMachine() + " stop due to exception ",
ex);
}
}
}
@Override
public String getScanHandlerName() {
return "consoleproxy";
}
@Override
public void onScanStart() {
// to reduce possible number of DB queries for capacity scan, we run following aggregated queries in preparation
// stage
_zoneHostInfoMap = getZoneHostInfo();
_zoneProxyCountMap = new HashMap<Long, ConsoleProxyLoadInfo>();
List<ConsoleProxyLoadInfo> listProxyCounts = _consoleProxyDao.getDatacenterProxyLoadMatrix();
for (ConsoleProxyLoadInfo info : listProxyCounts) {
_zoneProxyCountMap.put(info.getId(), info);
}
_zoneVmCountMap = new HashMap<Long, ConsoleProxyLoadInfo>();
List<ConsoleProxyLoadInfo> listVmCounts = _consoleProxyDao.getDatacenterSessionLoadMatrix();
for (ConsoleProxyLoadInfo info : listVmCounts) {
_zoneVmCountMap.put(info.getId(), info);
}
}
private void scanManagementState() {
ConsoleProxyManagementState state = getManagementState();
if (state != null) {
switch (state) {
case Auto:
case Manual:
case Suspending:
break;
case ResetSuspending:
handleResetSuspending();
break;
default:
assert (false);
}
}
}
private void handleResetSuspending() {
List<ConsoleProxyVO> runningProxies = _consoleProxyDao.getProxyListInStates(State.Running);
for (ConsoleProxyVO proxy : runningProxies) {
s_logger.info("Stop console proxy " + proxy.getId() + " because of we are currently in ResetSuspending management mode");
stopProxy(proxy.getId());
}
// check if it is time to resume
List<ConsoleProxyVO> proxiesInTransition = _consoleProxyDao.getProxyListInStates(State.Running, State.Starting, State.Stopping);
if (proxiesInTransition.size() == 0) {
s_logger.info("All previous console proxy VMs in transition mode ceased the mode, we will now resume to last management state");
resumeLastManagementState();
}
}
@Override
public boolean canScan() {
// take the chance to do management-state management
scanManagementState();
if (!reserveStandbyCapacity()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Reserving standby capacity is disabled, skip capacity scan");
}
return false;
}
List<StoragePoolVO> upPools = _storagePoolDao.listByStatus(StoragePoolStatus.Up);
if (upPools == null || upPools.size() == 0) {
s_logger.debug("Skip capacity scan as there is no Primary Storage in 'Up' state");
return false;
}
return true;
}
@Override
public Long[] getScannablePools() {
List<DataCenterVO> zones = _dcDao.listEnabledZones();
Long[] dcIdList = new Long[zones.size()];
int i = 0;
for (DataCenterVO dc : zones) {
dcIdList[i++] = dc.getId();
}
return dcIdList;
}
@Override
public boolean isPoolReadyForScan(Long pool) {
// pool is at zone basis
long dataCenterId = pool.longValue();
if (!isZoneReady(_zoneHostInfoMap, dataCenterId)) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Zone " + dataCenterId + " is not ready to launch console proxy yet");
}
return false;
}
List<ConsoleProxyVO> l = _consoleProxyDao.getProxyListInStates(VirtualMachine.State.Starting, VirtualMachine.State.Stopping);
if (l.size() > 0) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Zone " + dataCenterId + " has " + l.size() + " console proxy VM(s) in transition state");
}
return false;
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Zone " + dataCenterId + " is ready to launch console proxy");
}
return true;
}
@Override
public Pair<AfterScanAction, Object> scanPool(Long pool) {
long dataCenterId = pool.longValue();
ConsoleProxyLoadInfo proxyInfo = _zoneProxyCountMap.get(dataCenterId);
if (proxyInfo == null) {
return new Pair<AfterScanAction, Object>(AfterScanAction.nop, null);
}
ConsoleProxyLoadInfo vmInfo = _zoneVmCountMap.get(dataCenterId);
if (vmInfo == null) {
vmInfo = new ConsoleProxyLoadInfo();
}
if (!checkCapacity(proxyInfo, vmInfo)) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Expand console proxy standby capacity for zone " + proxyInfo.getName());
}
return new Pair<AfterScanAction, Object>(AfterScanAction.expand, null);
}
return new Pair<AfterScanAction, Object>(AfterScanAction.nop, null);
}
@Override
public void expandPool(Long pool, Object actionArgs) {
long dataCenterId = pool.longValue();
allocCapacity(dataCenterId);
}
@Override
public void shrinkPool(Long pool, Object actionArgs) {
}
@Override
public void onScanEnd() {
}
@Override
public HostVO createHostVOForConnectedAgent(HostVO host, StartupCommand[] cmd) {
if (!(cmd[0] instanceof StartupProxyCommand)) {
return null;
}
host.setType(com.cloud.host.Host.Type.ConsoleProxy);
return host;
}
@Override
public HostVO createHostVOForDirectConnectAgent(HostVO host, StartupCommand[] startup, ServerResource resource, Map<String, String> details, List<String> hostTags) {
return null;
}
@Override
public DeleteHostAnswer deleteHost(HostVO host, boolean isForced, boolean isForceDeleteStorage) throws UnableDeleteHostException {
return null;
}
protected HostVO findConsoleProxyHostByName(String name) {
QueryBuilder<HostVO> sc = QueryBuilder.create(HostVO.class);
sc.and(sc.entity().getType(), Op.EQ, Host.Type.ConsoleProxy);
sc.and(sc.entity().getName(), Op.EQ, name);
return sc.find();
}
@Override
public void prepareStop(VirtualMachineProfile profile) {
}
public List<ConsoleProxyAllocator> getConsoleProxyAllocators() {
return _consoleProxyAllocators;
}
@Inject
public void setConsoleProxyAllocators(List<ConsoleProxyAllocator> consoleProxyAllocators) {
_consoleProxyAllocators = consoleProxyAllocators;
}
}
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