// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License. Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
//
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.storage.secondary;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.ejb.Local;
import javax.naming.ConfigurationException;
import org.apache.log4j.Logger;
import com.cloud.agent.AgentManager;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.Command;
import com.cloud.agent.api.RebootCommand;
import com.cloud.agent.api.SecStorageFirewallCfgCommand;
import com.cloud.agent.api.SecStorageSetupAnswer;
import com.cloud.agent.api.SecStorageSetupCommand;
import com.cloud.agent.api.SecStorageSetupCommand.Certificates;
import com.cloud.agent.api.SecStorageVMSetupCommand;
import com.cloud.agent.api.StartupCommand;
import com.cloud.agent.api.StartupSecondaryStorageCommand;
import com.cloud.agent.api.StartupStorageCommand;
import com.cloud.agent.api.StopAnswer;
import com.cloud.agent.api.check.CheckSshAnswer;
import com.cloud.agent.api.check.CheckSshCommand;
import com.cloud.agent.manager.Commands;
import com.cloud.capacity.dao.CapacityDao;
import com.cloud.cluster.ClusterManager;
import com.cloud.cluster.ManagementServerNode;
import com.cloud.configuration.Config;
import com.cloud.configuration.ZoneConfig;
import com.cloud.configuration.dao.ConfigurationDao;
import com.cloud.consoleproxy.ConsoleProxyManager;
import com.cloud.dc.DataCenter;
import com.cloud.dc.DataCenter.NetworkType;
import com.cloud.dc.DataCenterVO;
import com.cloud.dc.dao.DataCenterDao;
import com.cloud.deploy.DataCenterDeployment;
import com.cloud.deploy.DeployDestination;
import com.cloud.exception.ConcurrentOperationException;
import com.cloud.exception.InsufficientCapacityException;
import com.cloud.exception.ResourceUnavailableException;
import com.cloud.exception.StorageUnavailableException;
import com.cloud.host.Host;
import com.cloud.host.HostVO;
import com.cloud.host.dao.HostDao;
import com.cloud.hypervisor.Hypervisor.HypervisorType;
import com.cloud.info.RunningHostCountInfo;
import com.cloud.info.RunningHostInfoAgregator;
import com.cloud.info.RunningHostInfoAgregator.ZoneHostInfo;
import com.cloud.keystore.KeystoreManager;
import com.cloud.network.IPAddressVO;
import com.cloud.network.NetworkManager;
import com.cloud.network.NetworkVO;
import com.cloud.network.Networks.TrafficType;
import com.cloud.network.dao.IPAddressDao;
import com.cloud.network.dao.NetworkDao;
import com.cloud.network.rules.RulesManager;
import com.cloud.offering.ServiceOffering;
import com.cloud.offerings.NetworkOfferingVO;
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.SnapshotVO;
import com.cloud.storage.Storage;
import com.cloud.storage.VMTemplateHostVO;
import com.cloud.storage.VMTemplateStorageResourceAssoc.Status;
import com.cloud.storage.VMTemplateVO;
import com.cloud.storage.dao.SnapshotDao;
import com.cloud.storage.dao.StoragePoolHostDao;
import com.cloud.storage.dao.VMTemplateDao;
import com.cloud.storage.dao.VMTemplateHostDao;
import com.cloud.storage.resource.DummySecondaryStorageResource;
import com.cloud.storage.swift.SwiftManager;
import com.cloud.storage.template.TemplateConstants;
import com.cloud.user.Account;
import com.cloud.user.AccountService;
import com.cloud.user.User;
import com.cloud.user.UserContext;
import com.cloud.utils.DateUtil;
import com.cloud.utils.NumbersUtil;
import com.cloud.utils.Pair;
import com.cloud.utils.component.Adapters;
import com.cloud.utils.component.ComponentLocator;
import com.cloud.utils.component.Inject;
import com.cloud.utils.db.GlobalLock;
import com.cloud.utils.db.SearchCriteria.Op;
import com.cloud.utils.db.SearchCriteria2;
import com.cloud.utils.db.SearchCriteriaService;
import com.cloud.utils.events.SubscriptionMgr;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.utils.net.NetUtils;
import com.cloud.vm.Nic;
import com.cloud.vm.NicProfile;
import com.cloud.vm.ReservationContext;
import com.cloud.vm.SecondaryStorageVm;
import com.cloud.vm.SecondaryStorageVmVO;
import com.cloud.vm.SystemVmLoadScanHandler;
import com.cloud.vm.SystemVmLoadScanner;
import com.cloud.vm.SystemVmLoadScanner.AfterScanAction;
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.SecondaryStorageVmDao;
import com.cloud.vm.dao.UserVmDetailsDao;
import com.cloud.vm.dao.VMInstanceDao;
//
// Possible secondary storage vm state transition cases
// Creating -> Destroyed
// Creating -> 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
//
// Creating state indicates of record creating and IP address allocation are ready, it is a transient
// state which will soon be switching towards Running if everything goes well.
// Stopped state indicates the readiness of being able to start (has storage and IP resources allocated)
// Starting state can only be entered from Stopped states
//
// Starting, HA, Migrating, Creating and Running state are all counted as "Open" for available capacity calculation
// because sooner or later, it will be driven into Running state
//
@Local(value = { SecondaryStorageVmManager.class })
public class SecondaryStorageManagerImpl implements SecondaryStorageVmManager, VirtualMachineGuru<SecondaryStorageVmVO>, SystemVmLoadScanHandler<Long>, ResourceStateAdapter {
private static final Logger s_logger = Logger.getLogger(SecondaryStorageManagerImpl.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 String _mgmt_host;
private int _mgmt_port = 8250;
private String _name;
@Inject(adapter = SecondaryStorageVmAllocator.class)
private Adapters<SecondaryStorageVmAllocator> _ssVmAllocators;
@Inject
protected SecondaryStorageVmDao _secStorageVmDao;
@Inject
private DataCenterDao _dcDao;
@Inject
private VMTemplateDao _templateDao;
@Inject
private HostDao _hostDao;
@Inject
private StoragePoolHostDao _storagePoolHostDao;
@Inject
private VMTemplateHostDao _vmTemplateHostDao;
@Inject
private AgentManager _agentMgr;
@Inject
protected SwiftManager _swiftMgr;
@Inject
private NetworkManager _networkMgr;
@Inject
protected SnapshotDao _snapshotDao;
@Inject
private ClusterManager _clusterMgr;
private SecondaryStorageListener _listener;
private ServiceOfferingVO _serviceOffering;
@Inject
protected ConfigurationDao _configDao;
@Inject
private ServiceOfferingDao _offeringDao;
@Inject
private AccountService _accountMgr;
@Inject
private VirtualMachineManager _itMgr;
@Inject
protected VMInstanceDao _vmDao;
@Inject
protected CapacityDao _capacityDao;
@Inject
UserVmDetailsDao _vmDetailsDao;
@Inject
protected ResourceManager _resourceMgr;
@Inject
protected SecondaryStorageVmManager _ssvmMgr;
@Inject
NetworkDao _networkDao;
@Inject
NetworkOfferingDao _networkOfferingDao;
@Inject
protected IPAddressDao _ipAddressDao = null;
@Inject
protected RulesManager _rulesMgr;
@Inject
KeystoreManager _keystoreMgr;
private long _capacityScanInterval = DEFAULT_CAPACITY_SCAN_INTERVAL;
private int _secStorageVmMtuSize;
private String _instance;
private boolean _useLocalStorage;
private boolean _useSSlCopy;
private String _httpProxy;
private String _allowedInternalSites;
protected long _nodeId = ManagementServerNode.getManagementServerId();
private SystemVmLoadScanner<Long> _loadScanner;
private Map<Long, ZoneHostInfo> _zoneHostInfoMap; // map <zone id, info about running host in zone>
private final GlobalLock _allocLock = GlobalLock.getInternLock(getAllocLockName());
@Override
public SecondaryStorageVmVO startSecStorageVm(long secStorageVmId) {
try {
SecondaryStorageVmVO secStorageVm = _secStorageVmDao.findById(secStorageVmId);
Account systemAcct = _accountMgr.getSystemAccount();
User systemUser = _accountMgr.getSystemUser();
return _itMgr.start(secStorageVm, null, systemUser, systemAcct);
} catch (StorageUnavailableException e) {
s_logger.warn("Exception while trying to start secondary storage vm", e);
return null;
} catch (InsufficientCapacityException e) {
s_logger.warn("Exception while trying to start secondary storage vm", e);
return null;
} catch (ResourceUnavailableException e) {
s_logger.warn("Exception while trying to start secondary storage vm", e);
return null;
} catch (Exception e) {
s_logger.warn("Exception while trying to start secondary storage vm", e);
return null;
}
}
SecondaryStorageVmVO getSSVMfromHost(HostVO ssAHost) {
if( ssAHost.getType() == Host.Type.SecondaryStorageVM ) {
return _secStorageVmDao.findByInstanceName(ssAHost.getName());
}
return null;
}
@Override
public boolean generateSetupCommand(Long ssHostId) {
HostVO cssHost = _hostDao.findById(ssHostId);
Long zoneId = cssHost.getDataCenterId();
if( cssHost.getType() == Host.Type.SecondaryStorageVM ) {
SecondaryStorageVmVO secStorageVm = _secStorageVmDao.findByInstanceName(cssHost.getName());
if (secStorageVm == null) {
s_logger.warn("secondary storage VM " + cssHost.getName() + " doesn't exist");
return false;
}
List<HostVO> ssHosts = _ssvmMgr.listSecondaryStorageHostsInOneZone(zoneId);
for( HostVO ssHost : ssHosts ) {
String secUrl = ssHost.getStorageUrl();
SecStorageSetupCommand setupCmd = null;
if (!_useSSlCopy) {
setupCmd = new SecStorageSetupCommand(secUrl, null);
} else {
Certificates certs = _keystoreMgr.getCertificates(ConsoleProxyManager.CERTIFICATE_NAME);
setupCmd = new SecStorageSetupCommand(secUrl, certs);
}
Answer answer = _agentMgr.easySend(ssHostId, setupCmd);
if (answer != null && answer.getResult()) {
SecStorageSetupAnswer an = (SecStorageSetupAnswer) answer;
ssHost.setParent(an.get_dir());
_hostDao.update(ssHost.getId(), ssHost);
if (s_logger.isDebugEnabled()) {
s_logger.debug("Successfully programmed secondary storage " + ssHost.getName() + " in secondary storage VM " + secStorageVm.getInstanceName());
}
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Successfully programmed secondary storage " + ssHost.getName() + " in secondary storage VM " + secStorageVm.getInstanceName());
}
return false;
}
}
} else if( cssHost.getType() == Host.Type.SecondaryStorage ) {
List<SecondaryStorageVmVO> alreadyRunning = _secStorageVmDao.getSecStorageVmListInStates(SecondaryStorageVm.Role.templateProcessor, zoneId, State.Running);
String secUrl = cssHost.getStorageUrl();
SecStorageSetupCommand setupCmd = new SecStorageSetupCommand(secUrl, null);
for ( SecondaryStorageVmVO ssVm : alreadyRunning ) {
HostVO host = _resourceMgr.findHostByName(ssVm.getInstanceName());
Answer answer = _agentMgr.easySend(host.getId(), setupCmd);
if (answer != null && answer.getResult()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Successfully programmed secondary storage " + host.getName() + " in secondary storage VM " + ssVm.getInstanceName());
}
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Successfully programmed secondary storage " + host.getName() + " in secondary storage VM " + ssVm.getInstanceName());
}
return false;
}
}
}
return true;
}
@Override
public boolean deleteHost(Long hostId) {
List<SnapshotVO> snapshots = _snapshotDao.listByHostId(hostId);
if( snapshots != null && !snapshots.isEmpty()) {
throw new CloudRuntimeException("Can not delete this secondary storage since it contains atleast one or more snapshots ");
}
if (!_swiftMgr.isSwiftEnabled()) {
List<Long> list = _templateDao.listPrivateTemplatesByHost(hostId);
if (list != null && !list.isEmpty()) {
throw new CloudRuntimeException("Can not delete this secondary storage since it contains private templates ");
}
}
_vmTemplateHostDao.deleteByHost(hostId);
HostVO host = _hostDao.findById(hostId);
host.setGuid(null);
_hostDao.update(hostId, host);
_hostDao.remove(hostId);
return true;
}
@Override
public boolean generateVMSetupCommand(Long ssAHostId) {
HostVO ssAHost = _hostDao.findById(ssAHostId);
if( ssAHost.getType() != Host.Type.SecondaryStorageVM ) {
return false;
}
SecondaryStorageVmVO secStorageVm = _secStorageVmDao.findByInstanceName(ssAHost.getName());
if (secStorageVm == null) {
s_logger.warn("secondary storage VM " + ssAHost.getName() + " doesn't exist");
return false;
}
SecStorageVMSetupCommand setupCmd = new SecStorageVMSetupCommand();
if (_allowedInternalSites != null) {
List<String> allowedCidrs = new ArrayList<String>();
String[] cidrs = _allowedInternalSites.split(",");
for (String cidr : cidrs) {
if (NetUtils.isValidCIDR(cidr) || NetUtils.isValidIp(cidr) || !cidr.startsWith("0.0.0.0")) {
allowedCidrs.add(cidr);
}
}
List<? extends Nic> nics = _networkMgr.getNicsForTraffic(secStorageVm.getId(), TrafficType.Management);
setupCmd.setAllowedInternalSites(allowedCidrs.toArray(new String[allowedCidrs.size()]));
}
String copyPasswd = _configDao.getValue("secstorage.copy.password");
setupCmd.setCopyPassword(copyPasswd);
setupCmd.setCopyUserName(TemplateConstants.DEFAULT_HTTP_AUTH_USER);
Answer answer = _agentMgr.easySend(ssAHostId, setupCmd);
if (answer != null && answer.getResult()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Successfully programmed http auth into " + secStorageVm.getHostName());
}
return true;
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("failed to program http auth into secondary storage vm : " + secStorageVm.getHostName());
}
return false;
}
}
@Override
public Pair<HostVO, SecondaryStorageVmVO> assignSecStorageVm(long zoneId, Command cmd) {
return null;
}
@Override
public boolean generateFirewallConfiguration(Long ssAHostId) {
if ( ssAHostId == null ) {
return true;
}
HostVO ssAHost = _hostDao.findById(ssAHostId);
SecondaryStorageVmVO thisSecStorageVm = _secStorageVmDao.findByInstanceName(ssAHost.getName());
if (thisSecStorageVm == null) {
s_logger.warn("secondary storage VM " + ssAHost.getName() + " doesn't exist");
return false;
}
String copyPort = _useSSlCopy? "443" : Integer.toString(TemplateConstants.DEFAULT_TMPLT_COPY_PORT);
SecStorageFirewallCfgCommand thiscpc = new SecStorageFirewallCfgCommand(true);
thiscpc.addPortConfig(thisSecStorageVm.getPublicIpAddress(), copyPort, true, TemplateConstants.DEFAULT_TMPLT_COPY_INTF);
SearchCriteriaService<HostVO, HostVO> sc = SearchCriteria2.create(HostVO.class);
sc.addAnd(sc.getEntity().getType(), Op.EQ, Host.Type.SecondaryStorageVM);
sc.addAnd(sc.getEntity().getStatus(), Op.IN, com.cloud.host.Status.Up, com.cloud.host.Status.Connecting);
List<HostVO> ssvms = sc.list();
for (HostVO ssvm : ssvms) {
if (ssvm.getId() == ssAHostId) {
continue;
}
Answer answer = _agentMgr.easySend(ssvm.getId(), thiscpc);
if (answer != null && answer.getResult()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Successfully programmed firewall rules into SSVM " + ssvm.getName());
}
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("failed to program firewall rules into secondary storage vm : " + ssvm.getName());
}
return false;
}
}
SecStorageFirewallCfgCommand allSSVMIpList = new SecStorageFirewallCfgCommand(false);
for (HostVO ssvm : ssvms) {
if (ssvm.getId() == ssAHostId) {
continue;
}
allSSVMIpList.addPortConfig(ssvm.getPublicIpAddress(), copyPort, true, TemplateConstants.DEFAULT_TMPLT_COPY_INTF);
}
Answer answer = _agentMgr.easySend(ssAHostId, allSSVMIpList);
if (answer != null && answer.getResult()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Successfully programmed firewall rules into " + thisSecStorageVm.getHostName());
}
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("failed to program firewall rules into secondary storage vm : " + thisSecStorageVm.getHostName());
}
return false;
}
return true;
}
private boolean isSecondaryStorageVmRequired(long dcId) {
DataCenterVO dc = _dcDao.findById(dcId);
_dcDao.loadDetails(dc);
String ssvmReq = dc.getDetail(ZoneConfig.EnableSecStorageVm.key());
if (ssvmReq != null) {
return Boolean.parseBoolean(ssvmReq);
}
return true;
}
public SecondaryStorageVmVO startNew(long dataCenterId, SecondaryStorageVm.Role role) {
if (!isSecondaryStorageVmRequired(dataCenterId)) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Secondary storage vm not required in zone " + dataCenterId + " acc. to zone config");
}
return null;
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Assign secondary storage vm from a newly started instance for request from data center : " + dataCenterId);
}
Map<String, Object> context = createSecStorageVmInstance(dataCenterId, role);
long secStorageVmId = (Long) context.get("secStorageVmId");
if (secStorageVmId == 0) {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Creating secondary storage vm instance failed, data center id : " + dataCenterId);
}
return null;
}
SecondaryStorageVmVO secStorageVm = _secStorageVmDao.findById(secStorageVmId);
// SecondaryStorageVmVO secStorageVm =
// allocSecStorageVmStorage(dataCenterId, secStorageVmId);
if (secStorageVm != null) {
SubscriptionMgr.getInstance().notifySubscribers(ALERT_SUBJECT, this,
new SecStorageVmAlertEventArgs(SecStorageVmAlertEventArgs.SSVM_CREATED, dataCenterId, secStorageVmId, secStorageVm, null));
return secStorageVm;
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Unable to allocate secondary storage vm storage, remove the secondary storage vm record from DB, secondary storage vm id: " + secStorageVmId);
}
SubscriptionMgr.getInstance().notifySubscribers(ALERT_SUBJECT, this,
new SecStorageVmAlertEventArgs(SecStorageVmAlertEventArgs.SSVM_CREATE_FAILURE, dataCenterId, secStorageVmId, null, "Unable to allocate storage"));
}
return null;
}
protected Map<String, Object> createSecStorageVmInstance(long dataCenterId, SecondaryStorageVm.Role role) {
HostVO secHost = findSecondaryStorageHost(dataCenterId);
if (secHost == null) {
String msg = "No secondary storage available in zone " + dataCenterId + ", cannot create secondary storage vm";
s_logger.warn(msg);
throw new CloudRuntimeException(msg);
}
long id = _secStorageVmDao.getNextInSequence(Long.class, "id");
String name = VirtualMachineName.getSystemVmName(id, _instance, "s").intern();
Account systemAcct = _accountMgr.getSystemAccount();
DataCenterDeployment plan = new DataCenterDeployment(dataCenterId);
DataCenter dc = _dcDao.findById(plan.getDataCenterId());
TrafficType defaultTrafficType = TrafficType.Public;
if (dc.getNetworkType() == NetworkType.Basic || dc.isSecurityGroupEnabled()) {
defaultTrafficType = TrafficType.Guest;
}
List<NetworkVO> defaultNetworks = _networkDao.listByZoneAndTrafficType(dataCenterId, 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");
}
NetworkVO defaultNetwork = defaultNetworks.get(0);
List<NetworkOfferingVO> offerings = _networkMgr.getSystemAccountNetworkOfferings(NetworkOfferingVO.SystemControlNetwork, NetworkOfferingVO.SystemManagementNetwork, NetworkOfferingVO.SystemStorageNetwork);
List<Pair<NetworkVO, NicProfile>> networks = new ArrayList<Pair<NetworkVO, NicProfile>>(offerings.size() + 1);
NicProfile defaultNic = new NicProfile();
defaultNic.setDefaultNic(true);
defaultNic.setDeviceId(2);
try {
networks.add(new Pair<NetworkVO, NicProfile>(_networkMgr.setupNetwork(systemAcct, _networkOfferingDao.findById(defaultNetwork.getNetworkOfferingId()), plan, null, null, false).get(0), defaultNic));
for (NetworkOfferingVO offering : offerings) {
networks.add(new Pair<NetworkVO, NicProfile>(_networkMgr.setupNetwork(systemAcct, offering, plan, null, null, false).get(0), null));
}
} catch (ConcurrentOperationException e) {
s_logger.info("Unable to setup due to concurrent operation. " + e);
return new HashMap<String, Object>();
}
HypervisorType hypeType = _resourceMgr.getAvailableHypervisor(dataCenterId);
VMTemplateVO template = _templateDao.findSystemVMTemplate(dataCenterId, hypeType);
if (template == null) {
s_logger.debug("Can't find a template to start");
throw new CloudRuntimeException("Insufficient capacity exception");
}
SecondaryStorageVmVO secStorageVm = new SecondaryStorageVmVO(id, _serviceOffering.getId(), name, template.getId(), template.getHypervisorType(), template.getGuestOSId(), dataCenterId,
systemAcct.getDomainId(), systemAcct.getId(), role, _serviceOffering.getOfferHA());
try {
secStorageVm = _itMgr.allocate(secStorageVm, template, _serviceOffering, networks, plan, null, systemAcct);
} 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("secStorageVmId", secStorageVm.getId());
return context;
}
private SecondaryStorageVmAllocator getCurrentAllocator() {
// for now, only one adapter is supported
Enumeration<SecondaryStorageVmAllocator> it = _ssVmAllocators.enumeration();
if (it.hasMoreElements()) {
return it.nextElement();
}
return null;
}
protected String connect(String ipAddress, int port) {
return null;
}
public SecondaryStorageVmVO assignSecStorageVmFromRunningPool(long dataCenterId, SecondaryStorageVm.Role role) {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Assign secondary storage vm from running pool for request from data center : " + dataCenterId);
}
SecondaryStorageVmAllocator allocator = getCurrentAllocator();
assert (allocator != null);
List<SecondaryStorageVmVO> runningList = _secStorageVmDao.getSecStorageVmListInStates(role, dataCenterId, State.Running);
if (runningList != null && runningList.size() > 0) {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Running secondary storage vm pool size : " + runningList.size());
for (SecondaryStorageVmVO secStorageVm : runningList) {
s_logger.trace("Running secStorageVm instance : " + secStorageVm.getHostName());
}
}
Map<Long, Integer> loadInfo = new HashMap<Long, Integer>();
return allocator.allocSecondaryStorageVm(runningList, loadInfo, dataCenterId);
} else {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Empty running secStorageVm pool for now in data center : " + dataCenterId);
}
}
return null;
}
public SecondaryStorageVmVO assignSecStorageVmFromStoppedPool(long dataCenterId, SecondaryStorageVm.Role role) {
List<SecondaryStorageVmVO> l = _secStorageVmDao.getSecStorageVmListInStates(role, dataCenterId, State.Starting, State.Stopped, State.Migrating);
if (l != null && l.size() > 0) {
return l.get(0);
}
return null;
}
private void allocCapacity(long dataCenterId, SecondaryStorageVm.Role role) {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Allocate secondary storage vm standby capacity for data center : " + dataCenterId);
}
if (!isSecondaryStorageVmRequired(dataCenterId)) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Secondary storage vm not required in zone " + dataCenterId + " acc. to zone config");
}
return;
}
boolean secStorageVmFromStoppedPool = false;
SecondaryStorageVmVO secStorageVm = assignSecStorageVmFromStoppedPool(dataCenterId, role);
if (secStorageVm == null) {
if (s_logger.isInfoEnabled()) {
s_logger.info("No stopped secondary storage vm is available, need to allocate a new secondary storage vm");
}
if (_allocLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_SYNC)) {
try {
secStorageVm = startNew(dataCenterId, role);
} finally {
_allocLock.unlock();
}
} else {
if (s_logger.isInfoEnabled()) {
s_logger.info("Unable to acquire synchronization lock to allocate secStorageVm resource for standby capacity, wait for next scan");
}
return;
}
} else {
if (s_logger.isInfoEnabled()) {
s_logger.info("Found a stopped secondary storage vm, bring it up to running pool. secStorageVm vm id : " + secStorageVm.getId());
}
secStorageVmFromStoppedPool = true;
}
if (secStorageVm != null) {
long secStorageVmId = secStorageVm.getId();
GlobalLock secStorageVmLock = GlobalLock.getInternLock(getSecStorageVmLockName(secStorageVmId));
try {
if (secStorageVmLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_SYNC)) {
try {
secStorageVm = startSecStorageVm(secStorageVmId);
} finally {
secStorageVmLock.unlock();
}
} else {
if (s_logger.isInfoEnabled()) {
s_logger.info("Unable to acquire synchronization lock to start secStorageVm for standby capacity, secStorageVm vm id : " + secStorageVm.getId());
}
return;
}
} finally {
secStorageVmLock.releaseRef();
}
if (secStorageVm == null) {
if (s_logger.isInfoEnabled()) {
s_logger.info("Unable to start secondary storage vm for standby capacity, secStorageVm vm Id : " + secStorageVmId + ", will recycle it and start a new one");
}
if (secStorageVmFromStoppedPool) {
destroySecStorageVm(secStorageVmId);
}
} else {
if (s_logger.isInfoEnabled()) {
s_logger.info("Secondary storage vm " + secStorageVm.getHostName() + " is started");
}
}
}
}
public boolean isZoneReady(Map<Long, ZoneHostInfo> zoneHostInfoMap, long dataCenterId) {
ZoneHostInfo zoneHostInfo = zoneHostInfoMap.get(dataCenterId);
if (zoneHostInfo != null && (zoneHostInfo.getFlags() & RunningHostInfoAgregator.ZoneHostInfo.ROUTING_HOST_MASK) != 0) {
VMTemplateVO template = _templateDao.findSystemVMTemplate(dataCenterId);
HostVO secHost = _ssvmMgr.findSecondaryStorageHost(dataCenterId);
if (secHost == null) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("No secondary storage available in zone " + dataCenterId + ", wait until it is ready to launch secondary storage vm");
}
return false;
}
boolean templateReady = false;
if (template != null) {
VMTemplateHostVO templateHostRef = _vmTemplateHostDao.findByHostTemplate(secHost.getId(), template.getId());
templateReady = (templateHostRef != null) && (templateHostRef.getDownloadState() == Status.DOWNLOADED);
}
if (templateReady) {
List<Pair<Long, Integer>> l = _storagePoolHostDao.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 secondary storage vm");
}
}
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Zone host is ready, but secondary storage vm template: " + template.getId() + " is not ready on secondary storage: " + secHost.getId());
}
}
}
return false;
}
private synchronized Map<Long, ZoneHostInfo> getZoneHostInfo() {
Date cutTime = DateUtil.currentGMTTime();
List<RunningHostCountInfo> l = _hostDao.getRunningHostCounts(new Date(cutTime.getTime() - _clusterMgr.getHeartbeatThreshold()));
RunningHostInfoAgregator aggregator = new RunningHostInfoAgregator();
if (l.size() > 0) {
for (RunningHostCountInfo countInfo : l) {
aggregator.aggregate(countInfo);
}
}
return aggregator.getZoneHostInfoMap();
}
@Override
public String getName() {
return _name;
}
@Override
public boolean start() {
if (s_logger.isInfoEnabled()) {
s_logger.info("Start secondary storage vm manager");
}
return true;
}
@Override
public boolean stop() {
_loadScanner.stop();
_allocLock.releaseRef();
_resourceMgr.unregisterResourceStateAdapter(this.getClass().getSimpleName());
return true;
}
@Override
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
if (s_logger.isInfoEnabled()) {
s_logger.info("Start configuring secondary storage vm manager : " + name);
}
_name = name;
ComponentLocator locator = ComponentLocator.getCurrentLocator();
ConfigurationDao configDao = locator.getDao(ConfigurationDao.class);
if (configDao == null) {
throw new ConfigurationException("Unable to get the configuration dao.");
}
Map<String, String> configs = configDao.getConfiguration("management-server", params);
_secStorageVmMtuSize = NumbersUtil.parseInt(configs.get("secstorage.vm.mtu.size"), DEFAULT_SS_VM_MTUSIZE);
String useServiceVM = configDao.getValue("secondary.storage.vm");
boolean _useServiceVM = false;
if ("true".equalsIgnoreCase(useServiceVM)) {
_useServiceVM = true;
}
String sslcopy = configDao.getValue("secstorage.encrypt.copy");
if ("true".equalsIgnoreCase(sslcopy)) {
_useSSlCopy = true;
}
_allowedInternalSites = configDao.getValue("secstorage.allowed.internal.sites");
String value = configs.get("secstorage.capacityscan.interval");
_capacityScanInterval = NumbersUtil.parseLong(value, DEFAULT_CAPACITY_SCAN_INTERVAL);
_instance = configs.get("instance.name");
if (_instance == null) {
_instance = "DEFAULT";
}
Map<String, String> agentMgrConfigs = configDao.getConfiguration("AgentManager", params);
_mgmt_host = agentMgrConfigs.get("host");
if (_mgmt_host == null) {
s_logger.warn("Critical warning! Please configure your management server host address right after you have started your management server and then restart it, otherwise you won't have access to secondary storage");
}
value = agentMgrConfigs.get("port");
_mgmt_port = NumbersUtil.parseInt(value, 8250);
_listener = new SecondaryStorageListener(this, _agentMgr);
_agentMgr.registerForHostEvents(_listener, true, false, true);
_itMgr.registerGuru(VirtualMachine.Type.SecondaryStorageVm, this);
//check if there is a default service offering configured
String ssvmSrvcOffIdStr = configs.get(Config.SecondaryStorageServiceOffering.key());
if (ssvmSrvcOffIdStr != null) {
Long ssvmSrvcOffId = Long.parseLong(ssvmSrvcOffIdStr);
_serviceOffering = _offeringDao.findById(ssvmSrvcOffId);
if (_serviceOffering == null || !_serviceOffering.getSystemUse()) {
String msg = "Can't find system service offering id=" + ssvmSrvcOffId + " for secondary storage vm";
s_logger.error(msg);
throw new ConfigurationException(msg);
}
} else {
_useLocalStorage = Boolean.parseBoolean(configs.get(Config.SystemVMUseLocalStorage.key()));
_serviceOffering = new ServiceOfferingVO("System Offering For Secondary Storage VM", 1, DEFAULT_SS_VM_RAMSIZE, DEFAULT_SS_VM_CPUMHZ, null, null, false, null, _useLocalStorage, true, null, true, VirtualMachine.Type.SecondaryStorageVm, true);
_serviceOffering.setUniqueName(ServiceOffering.ssvmDefaultOffUniqueName);
_serviceOffering = _offeringDao.persistSystemServiceOffering(_serviceOffering);
// this can sometimes happen, if DB is manually or programmatically manipulated
if(_serviceOffering == null) {
String msg = "Data integrity problem : System Offering For Secondary Storage VM has been removed?";
s_logger.error(msg);
throw new ConfigurationException(msg);
}
}
if (_useServiceVM) {
_loadScanner = new SystemVmLoadScanner<Long>(this);
_loadScanner.initScan(STARTUP_DELAY, _capacityScanInterval);
}
_httpProxy = configs.get(Config.SecStorageProxy.key());
if (_httpProxy != null) {
boolean valid = true;
String errMsg = null;
try {
URI uri = new URI(_httpProxy);
if (!"http".equalsIgnoreCase(uri.getScheme())) {
errMsg = "Only support http proxy";
valid = false;
} else if (uri.getHost() == null) {
errMsg = "host can not be null";
valid = false;
} else if (uri.getPort() == -1) {
_httpProxy = _httpProxy + ":3128";
}
} catch (URISyntaxException e) {
errMsg = e.toString();
} finally {
if (!valid) {
s_logger.debug("ssvm http proxy " + _httpProxy + " is invalid: " + errMsg);
throw new ConfigurationException("ssvm http proxy " + _httpProxy + "is invalid: " + errMsg);
}
}
}
if (s_logger.isInfoEnabled()) {
s_logger.info("Secondary storage vm Manager is configured.");
}
_resourceMgr.registerResourceStateAdapter(this.getClass().getSimpleName(), this);
return true;
}
protected SecondaryStorageManagerImpl() {
}
@Override
public Long convertToId(String vmName) {
if (!VirtualMachineName.isValidSystemVmName(vmName, _instance, "s")) {
return null;
}
return VirtualMachineName.getSystemVmId(vmName);
}
@Override
public boolean stopSecStorageVm(long secStorageVmId) {
SecondaryStorageVmVO secStorageVm = _secStorageVmDao.findById(secStorageVmId);
if (secStorageVm == null) {
String msg = "Stopping secondary storage vm failed: secondary storage vm " + secStorageVmId + " no longer exists";
if (s_logger.isDebugEnabled()) {
s_logger.debug(msg);
}
return false;
}
try {
if (secStorageVm.getHostId() != null) {
GlobalLock secStorageVmLock = GlobalLock.getInternLock(getSecStorageVmLockName(secStorageVm.getId()));
try {
if (secStorageVmLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_SYNC)) {
try {
boolean result = _itMgr.stop(secStorageVm, _accountMgr.getSystemUser(), _accountMgr.getSystemAccount());
if (result) {
}
return result;
} finally {
secStorageVmLock.unlock();
}
} else {
String msg = "Unable to acquire secondary storage vm lock : " + secStorageVm.toString();
s_logger.debug(msg);
return false;
}
} finally {
secStorageVmLock.releaseRef();
}
}
// vm was already stopped, return true
return true;
} catch (ResourceUnavailableException e) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Stopping secondary storage vm " + secStorageVm.getHostName() + " faled : exception " + e.toString());
}
return false;
}
}
@Override
public boolean rebootSecStorageVm(long secStorageVmId) {
final SecondaryStorageVmVO secStorageVm = _secStorageVmDao.findById(secStorageVmId);
if (secStorageVm == null || secStorageVm.getState() == State.Destroyed) {
return false;
}
if (secStorageVm.getState() == State.Running && secStorageVm.getHostId() != null) {
final RebootCommand cmd = new RebootCommand(secStorageVm.getInstanceName());
final Answer answer = _agentMgr.easySend(secStorageVm.getHostId(), cmd);
if (answer != null && answer.getResult()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Successfully reboot secondary storage vm " + secStorageVm.getHostName());
}
SubscriptionMgr.getInstance().notifySubscribers(ALERT_SUBJECT, this,
new SecStorageVmAlertEventArgs(SecStorageVmAlertEventArgs.SSVM_REBOOTED, secStorageVm.getDataCenterIdToDeployIn(), secStorageVm.getId(), secStorageVm, null));
return true;
} else {
String msg = "Rebooting Secondary Storage VM failed - " + secStorageVm.getHostName();
if (s_logger.isDebugEnabled()) {
s_logger.debug(msg);
}
return false;
}
} else {
return startSecStorageVm(secStorageVmId) != null;
}
}
@Override
public boolean destroySecStorageVm(long vmId) {
SecondaryStorageVmVO ssvm = _secStorageVmDao.findById(vmId);
try {
boolean result = _itMgr.expunge(ssvm, _accountMgr.getSystemUser(), _accountMgr.getSystemAccount());
if (result) {
HostVO host = _hostDao.findByTypeNameAndZoneId(ssvm.getDataCenterIdToDeployIn(), ssvm.getHostName(),
Host.Type.SecondaryStorageVM);
if (host != null) {
s_logger.debug("Removing host entry for ssvm id=" + vmId);
result = result && _hostDao.remove(host.getId());
}
}
return result;
} catch (ResourceUnavailableException e) {
s_logger.warn("Unable to expunge " + ssvm, e);
return false;
}
}
@Override
public void onAgentConnect(Long dcId, StartupCommand cmd) {
}
private String getAllocLockName() {
// to improve security, it may be better to return a unique mashed
// name(for example MD5 hashed)
return "secStorageVm.alloc";
}
private String getSecStorageVmLockName(long id) {
return "secStorageVm." + id;
}
@Override
public SecondaryStorageVmVO findByName(String name) {
if (!VirtualMachineName.isValidSecStorageVmName(name, null)) {
return null;
}
return findById(VirtualMachineName.getSystemVmId(name));
}
@Override
public SecondaryStorageVmVO findById(long id) {
return _secStorageVmDao.findById(id);
}
@Override
public SecondaryStorageVmVO persist(SecondaryStorageVmVO vm) {
return _secStorageVmDao.persist(vm);
}
@Override
public boolean finalizeVirtualMachineProfile(VirtualMachineProfile<SecondaryStorageVmVO> profile, DeployDestination dest, ReservationContext context) {
SecondaryStorageVmVO vm = profile.getVirtualMachine();
Map<String, String> details = _vmDetailsDao.findDetails(vm.getId());
vm.setDetails(details);
HostVO secHost = _ssvmMgr.findSecondaryStorageHost(dest.getDataCenter().getId());
assert (secHost != null);
StringBuilder buf = profile.getBootArgsBuilder();
buf.append(" template=domP type=secstorage");
buf.append(" host=").append(_mgmt_host);
buf.append(" port=").append(_mgmt_port);
buf.append(" name=").append(profile.getVirtualMachine().getHostName());
buf.append(" zone=").append(dest.getDataCenter().getId());
buf.append(" pod=").append(dest.getPod().getId());
buf.append(" guid=").append(profile.getVirtualMachine().getHostName());
if (_configDao.isPremium()) {
if (profile.getHypervisorType() == HypervisorType.Hyperv) {
buf.append(" resource=com.cloud.storage.resource.CifsSecondaryStorageResource");
} else {
buf.append(" resource=com.cloud.storage.resource.PremiumSecondaryStorageResource");
}
} else {
buf.append(" resource=com.cloud.storage.resource.NfsSecondaryStorageResource");
}
buf.append(" instance=SecStorage");
buf.append(" sslcopy=").append(Boolean.toString(_useSSlCopy));
buf.append(" role=").append(profile.getVirtualMachine().getRole().toString());
buf.append(" mtu=").append(_secStorageVmMtuSize);
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.getIp4Address() == null) {
buf.append(" eth").append(deviceId).append("mask=").append("0.0.0.0");
buf.append(" eth").append(deviceId).append("ip=").append("0.0.0.0");
} else {
buf.append(" eth").append(deviceId).append("ip=").append(nic.getIp4Address());
buf.append(" eth").append(deviceId).append("mask=").append(nic.getNetmask());
}
buf.append(" eth").append(deviceId).append("mask=").append(nic.getNetmask());
if (nic.isDefaultNic()) {
buf.append(" gateway=").append(nic.getGateway());
}
if (nic.getTrafficType() == TrafficType.Management) {
String mgmt_cidr = _configDao.getValue(Config.ManagementNetwork.key());
if (NetUtils.isValidCIDR(mgmt_cidr)) {
buf.append(" mgmtcidr=").append(mgmt_cidr);
}
buf.append(" localgw=").append(dest.getPod().getGateway());
buf.append(" private.network.device=").append("eth").append(deviceId);
} else if (nic.getTrafficType() == TrafficType.Public) {
buf.append(" public.network.device=").append("eth").append(deviceId);
} else if (nic.getTrafficType() == TrafficType.Storage) {
buf.append(" storageip=").append(nic.getIp4Address());
buf.append(" storagenetmask=").append(nic.getNetmask());
buf.append(" storagegateway=").append(nic.getGateway());
}
}
/* External DHCP mode */
if (externalDhcp) {
buf.append(" bootproto=dhcp");
}
DataCenterVO dc = _dcDao.findById(profile.getVirtualMachine().getDataCenterIdToDeployIn());
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<SecondaryStorageVmVO> profile, DeployDestination dest, ReservationContext context) {
finalizeCommandsOnStart(cmds, profile);
SecondaryStorageVmVO secVm = profile.getVirtualMachine();
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()))) {
secVm.setPublicIpAddress(nic.getIp4Address());
secVm.setPublicNetmask(nic.getNetmask());
secVm.setPublicMacAddress(nic.getMacAddress());
} else if (nic.getTrafficType() == TrafficType.Management) {
secVm.setPrivateIpAddress(nic.getIp4Address());
secVm.setPrivateMacAddress(nic.getMacAddress());
}
}
_secStorageVmDao.update(secVm.getId(), secVm);
return true;
}
@Override
public boolean finalizeCommandsOnStart(Commands cmds, VirtualMachineProfile<SecondaryStorageVmVO> 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.getIp4Address() != null) {
controlNic = nic;
}
}
if (controlNic == null) {
if (managementNic == null) {
s_logger.error("Management network doesn't exist for the secondaryStorageVm " + profile.getVirtualMachine());
return false;
}
controlNic = managementNic;
}
CheckSshCommand check = new CheckSshCommand(profile.getInstanceName(), controlNic.getIp4Address(), 3922);
cmds.addCommand("checkSsh", check);
return true;
}
@Override
public boolean finalizeStart(VirtualMachineProfile<SecondaryStorageVmVO> profile, long hostId, Commands cmds, ReservationContext context) {
CheckSshAnswer answer = (CheckSshAnswer) cmds.getAnswer("checkSsh");
if (!answer.getResult()) {
s_logger.warn("Unable to ssh to the VM: " + answer.getDetails());
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()) {
SecondaryStorageVmVO secVm = profile.getVirtualMachine();
// override SSVM guest IP with EIP, so that download url's with be prepared with EIP
secVm.setPublicIpAddress(ipaddr.getAddress().addr());
_secStorageVmDao.update(secVm.getId(), secVm);
}
} 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 finalizeStop(VirtualMachineProfile<SecondaryStorageVmVO> profile, StopAnswer answer) {
//release elastic IP here
IPAddressVO ip = _ipAddressDao.findByAssociatedVmId(profile.getId());
if (ip != null && ip.getSystem()) {
UserContext ctx = UserContext.current();
try {
_rulesMgr.disableStaticNat(ip.getId(), ctx.getCaller(), ctx.getCallerUserId(), 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 void finalizeExpunge(SecondaryStorageVmVO vm) {
vm.setPublicIpAddress(null);
vm.setPublicMacAddress(null);
vm.setPublicNetmask(null);
_secStorageVmDao.update(vm.getId(), vm);
}
@Override
public String getScanHandlerName() {
return "secstorage";
}
@Override
public boolean canScan() {
return true;
}
@Override
public void onScanStart() {
_zoneHostInfoMap = getZoneHostInfo();
}
@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 secondary storage VM yet");
}
return false;
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Zone " + dataCenterId + " is ready to launch secondary storage VM");
}
return true;
}
@Override
public Pair<AfterScanAction, Object> scanPool(Long pool) {
long dataCenterId = pool.longValue();
List<SecondaryStorageVmVO> ssVms = _secStorageVmDao.getSecStorageVmListInStates(SecondaryStorageVm.Role.templateProcessor, dataCenterId, State.Running, State.Migrating,
State.Starting, State.Stopped, State.Stopping );
int vmSize = (ssVms == null)? 0 : ssVms.size();
List<HostVO> ssHosts = _ssvmMgr.listSecondaryStorageHostsInOneZone(dataCenterId);
int hostSize = (ssHosts == null)? 0 : ssHosts.size();
if ( hostSize > vmSize ) {
s_logger.info("No secondary storage vms found in datacenter id=" + dataCenterId + ", starting a new one");
return new Pair<AfterScanAction, Object>(AfterScanAction.expand, SecondaryStorageVm.Role.templateProcessor);
}
return new Pair<AfterScanAction, Object>(AfterScanAction.nop, SecondaryStorageVm.Role.templateProcessor);
}
@Override
public void expandPool(Long pool, Object actionArgs) {
long dataCenterId = pool.longValue();
allocCapacity(dataCenterId, (SecondaryStorageVm.Role) actionArgs);
}
@Override
public void shrinkPool(Long pool, Object actionArgs) {
}
@Override
public void onScanEnd() {
}
@Override
public HostVO createHostVOForConnectedAgent(HostVO host, StartupCommand[] cmd) {
/* Called when Secondary Storage VM connected */
StartupCommand firstCmd = cmd[0];
if (!(firstCmd instanceof StartupSecondaryStorageCommand)) {
return null;
}
host.setType( com.cloud.host.Host.Type.SecondaryStorageVM);
return host;
}
@Override
public HostVO createHostVOForDirectConnectAgent(HostVO host, StartupCommand[] startup, ServerResource resource, Map<String, String> details,
List<String> hostTags) {
/* Called when add secondary storage on UI */
StartupCommand firstCmd = startup[0];
if (!(firstCmd instanceof StartupStorageCommand)) {
return null;
}
com.cloud.host.Host.Type type = null;
StartupStorageCommand ssCmd = ((StartupStorageCommand) firstCmd);
if (ssCmd.getHostType() == Host.Type.SecondaryStorageCmdExecutor) {
type = ssCmd.getHostType();
} else {
if (ssCmd.getResourceType() == Storage.StorageResourceType.SECONDARY_STORAGE) {
type = Host.Type.SecondaryStorage;
if (resource != null && resource instanceof DummySecondaryStorageResource) {
host.setResource(null);
}
} else if (ssCmd.getResourceType() == Storage.StorageResourceType.LOCAL_SECONDARY_STORAGE) {
type = Host.Type.LocalSecondaryStorage;
} else {
type = Host.Type.Storage;
}
final Map<String, String> hostDetails = ssCmd.getHostDetails();
if (hostDetails != null) {
if (details != null) {
details.putAll(hostDetails);
} else {
details = hostDetails;
}
}
host.setDetails(details);
host.setParent(ssCmd.getParent());
host.setTotalSize(ssCmd.getTotalSize());
host.setHypervisorType(HypervisorType.None);
host.setType(type);
if (ssCmd.getNfsShare() != null) {
host.setStorageUrl(ssCmd.getNfsShare());
}
}
return host;
}
@Override
public DeleteHostAnswer deleteHost(HostVO host, boolean isForced, boolean isForceDeleteStorage) throws UnableDeleteHostException {
if (host.getType() == Host.Type.SecondaryStorage) {
deleteHost(host.getId());
return new DeleteHostAnswer(false);
}
return null;
}
@Override
public HostVO findSecondaryStorageHost(long dcId) {
SearchCriteriaService<HostVO, HostVO> sc = SearchCriteria2.create(HostVO.class);
sc.addAnd(sc.getEntity().getType(), Op.EQ, Host.Type.SecondaryStorage);
sc.addAnd(sc.getEntity().getDataCenterId(), Op.EQ, dcId);
List<HostVO> storageHosts = sc.list();
if (storageHosts == null || storageHosts.size() < 1) {
return null;
} else {
Collections.shuffle(storageHosts);
return storageHosts.get(0);
}
}
@Override
public List<HostVO> listSecondaryStorageHostsInAllZones() {
SearchCriteriaService<HostVO, HostVO> sc = SearchCriteria2.create(HostVO.class);
sc.addAnd(sc.getEntity().getType(), Op.EQ, Host.Type.SecondaryStorage);
return sc.list();
}
@Override
public List<HostVO> listSecondaryStorageHostsInOneZone(long dataCenterId) {
SearchCriteriaService<HostVO, HostVO> sc = SearchCriteria2.create(HostVO.class);
sc.addAnd(sc.getEntity().getDataCenterId(), Op.EQ, dataCenterId);
sc.addAnd(sc.getEntity().getType(), Op.EQ, Host.Type.SecondaryStorage);
return sc.list();
}
@Override
public List<HostVO> listLocalSecondaryStorageHostsInOneZone(long dataCenterId) {
SearchCriteriaService<HostVO, HostVO> sc = SearchCriteria2.create(HostVO.class);
sc.addAnd(sc.getEntity().getDataCenterId(), Op.EQ, dataCenterId);
sc.addAnd(sc.getEntity().getType(), Op.EQ, Host.Type.LocalSecondaryStorage);
return sc.list();
}
@Override
public List<HostVO> listAllTypesSecondaryStorageHostsInOneZone(long dataCenterId) {
SearchCriteriaService<HostVO, HostVO> sc = SearchCriteria2.create(HostVO.class);
sc.addAnd(sc.getEntity().getDataCenterId(), Op.EQ, dataCenterId);
sc.addAnd(sc.getEntity().getType(), Op.IN, Host.Type.LocalSecondaryStorage, Host.Type.SecondaryStorage);
return sc.list();
}
@Override
public List<HostVO> listUpAndConnectingSecondaryStorageVmHost(Long dcId) {
SearchCriteriaService<HostVO, HostVO> sc = SearchCriteria2.create(HostVO.class);
if (dcId != null) {
sc.addAnd(sc.getEntity().getDataCenterId(), Op.EQ, dcId);
}
sc.addAnd(sc.getEntity().getStatus(), Op.IN, com.cloud.host.Status.Up, com.cloud.host.Status.Connecting);
sc.addAnd(sc.getEntity().getType(), Op.EQ, Host.Type.SecondaryStorageVM);
return sc.list();
}
@Override
public HostVO pickSsvmHost(HostVO ssHost) {
if( ssHost.getType() == Host.Type.LocalSecondaryStorage ) {
return ssHost;
} else if ( ssHost.getType() == Host.Type.SecondaryStorage) {
Long dcId = ssHost.getDataCenterId();
List<HostVO> ssAHosts = listUpAndConnectingSecondaryStorageVmHost(dcId);
if (ssAHosts == null || ssAHosts.isEmpty() ) {
return null;
}
Collections.shuffle(ssAHosts);
return ssAHosts.get(0);
}
return null;
}
}