@Override
public Status isAgentAlive(HostVO agent) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("checking if agent (" + agent.getId() + ") is alive");
}
if (agent.getPodId() == null) {
return null;
}
List<Long> otherHosts = findHostByPod(agent.getPodId(), agent.getId());
for (Long hostId : otherHosts) {
if (s_logger.isDebugEnabled()) {
s_logger.debug(
"sending ping from ("
+ hostId
+ ") to agent's host ip address ("
+ agent.getPrivateIpAddress()
+ ")");
}
Status hostState = testIpAddress(hostId, agent.getPrivateIpAddress());
if (hostState == null) {
continue;
}
if (hostState == Status.Up) {
if (s_logger.isDebugEnabled()) {
s_logger.debug(
"ping from ("
+ hostId
+ ") to agent's host ip address ("
+ agent.getPrivateIpAddress()
+ ") successful, returning that agent is disconnected");
}
return Status
.Disconnected; // the computing host ip is ping-able, but the computing agent is down,
// report that the agent is disconnected
} else if (hostState == Status.Down) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("returning host state: " + hostState);
}
return hostState;
}
}
// could not reach agent, could not reach agent's host, unclear what the problem is but it'll
// require more investigation...
if (s_logger.isDebugEnabled()) {
s_logger.debug(
"could not reach agent, could not reach agent's host, returning that we don't have enough information");
}
return null;
}
@Override
public ConsoleProxyInfo assignProxy(long dataCenterId, long userVmId) {
UserVmVO userVm = _userVmDao.findById(userVmId);
if (userVm == null) {
s_logger.warn(
"User VM " + userVmId + " no longer exists, return a null proxy for user vm:" + userVmId);
return null;
}
HostVO host = findHost(userVm);
if (host != null) {
if (s_logger.isDebugEnabled()) {
s_logger.debug(
"Assign embedded console proxy running at "
+ host.getName()
+ " to user vm "
+ userVmId
+ " with public IP "
+ host.getPublicIpAddress());
}
// only private IP, public IP, host id have meaningful values, rest
// of all are place-holder values
String publicIp = host.getPublicIpAddress();
if (publicIp == null) {
if (s_logger.isDebugEnabled()) {
s_logger.debug(
"Host "
+ host.getName()
+ "/"
+ host.getPrivateIpAddress()
+ " does not have public interface, we will return its private IP for cosole proxy.");
}
publicIp = host.getPrivateIpAddress();
}
int urlPort = _consoleProxyUrlPort;
if (host.getProxyPort() != null && host.getProxyPort().intValue() > 0) {
urlPort = host.getProxyPort().intValue();
}
return new ConsoleProxyInfo(
_sslEnabled, publicIp, _consoleProxyPort, urlPort, _consoleProxyUrlDomain);
} else {
s_logger.warn(
"Host that VM is running is no longer available, console access to VM "
+ userVmId
+ " will be temporarily unavailable.");
}
return null;
}
protected HashMap<String, Object> buildConfigParams(HostVO host) {
HashMap<String, Object> params = new HashMap<String, Object>(host.getDetails().size() + 5);
params.putAll(host.getDetails());
params.put("guid", host.getGuid());
params.put("zone", Long.toString(host.getDataCenterId()));
if (host.getPodId() != null) {
params.put("pod", Long.toString(host.getPodId()));
}
if (host.getClusterId() != null) {
params.put("cluster", Long.toString(host.getClusterId()));
String guid = null;
ClusterVO cluster = _clusterDao.findById(host.getClusterId());
if (cluster.getGuid() == null) {
guid = host.getDetail("pool");
} else {
guid = cluster.getGuid();
}
if (guid != null && !guid.isEmpty()) {
params.put("pool", guid);
}
}
params.put("ipaddress", host.getPrivateIpAddress());
params.put("secondary.storage.vm", "false");
params.put(
"max.template.iso.size", _configDao.getValue(Config.MaxTemplateAndIsoSize.toString()));
params.put("migratewait", _configDao.getValue(Config.MigrateWait.toString()));
return params;
}
@Override
public BaremetalPxeResponse getApiResponse(BaremetalPxeVO vo) {
BaremetalPxeResponse response = new BaremetalPxeResponse();
response.setId(vo.getUuid());
HostVO host = _hostDao.findById(vo.getHostId());
response.setUrl(host.getPrivateIpAddress());
PhysicalNetworkServiceProviderVO providerVO =
_physicalNetworkServiceProviderDao.findById(vo.getNetworkServiceProviderId());
response.setPhysicalNetworkId(providerVO.getUuid());
PhysicalNetworkVO nwVO = _physicalNetworkDao.findById(vo.getPhysicalNetworkId());
response.setPhysicalNetworkId(nwVO.getUuid());
response.setObjectName("baremetalpxeserver");
return response;
}
@Override
protected void injectMockito() {
if (host == null) {
return;
}
List<HostVO> results = new ArrayList<HostVO>();
results.add(host);
Mockito.when(hostDao.listAll()).thenReturn(results);
Mockito.when(hostDao.findById(Matchers.anyLong())).thenReturn(host);
Mockito.when(hostDao.findHypervisorHostInCluster(Matchers.anyLong())).thenReturn(results);
List<EndPoint> eps = new ArrayList<EndPoint>();
eps.add(
RemoteHostEndPoint.getHypervisorHostEndPoint(
host.getId(), host.getPrivateIpAddress(), host.getPublicIpAddress()));
Mockito.when(selector.selectAll(Matchers.any(DataStore.class))).thenReturn(eps);
Mockito.when(selector.select(Matchers.any(DataObject.class))).thenReturn(eps.get(0));
Mockito.when(selector.select(Matchers.any(DataObject.class), Matchers.any(DataObject.class)))
.thenReturn(eps.get(0));
}
@Override
public Boolean isVmAlive(VirtualMachine vm, Host host) {
if (!vm.getType().isUsedBySystem()) {
s_logger.debug("Not a System Vm, unable to determine state of " + vm + " returning null");
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Testing if " + vm + " is alive");
}
if (vm.getHostId() == null) {
s_logger.debug("There's no host id for " + vm);
return null;
}
HostVO vmHost = _hostDao.findById(vm.getHostId());
if (vmHost == null) {
s_logger.debug("Unable to retrieve the host by using id " + vm.getHostId());
return null;
}
List<? extends Nic> nics = _networkMgr.getNicsForTraffic(vm.getId(), TrafficType.Management);
if (nics.size() == 0) {
if (s_logger.isDebugEnabled()) {
s_logger.debug(
"Unable to find a management nic, cannot ping this system VM, unable to determine state of "
+ vm
+ " returning null");
}
return null;
}
for (Nic nic : nics) {
if (nic.getIp4Address() == null) {
continue;
}
// get the data center IP address, find a host on the pod, use that host to ping the data
// center IP address
List<Long> otherHosts = findHostByPod(vmHost.getPodId(), vm.getHostId());
for (Long otherHost : otherHosts) {
Status vmState = testIpAddress(otherHost, nic.getIp4Address());
if (vmState == null) {
// can't get information from that host, try the next one
continue;
}
if (vmState == Status.Up) {
if (s_logger.isDebugEnabled()) {
s_logger.debug(
"successfully pinged vm's private IP ("
+ vm.getPrivateIpAddress()
+ "), returning that the VM is up");
}
return Boolean.TRUE;
} else if (vmState == Status.Down) {
// We can't ping the VM directly...if we can ping the host, then report the VM down.
// If we can't ping the host, then we don't have enough information.
Status vmHostState = testIpAddress(otherHost, vmHost.getPrivateIpAddress());
if ((vmHostState != null) && (vmHostState == Status.Up)) {
if (s_logger.isDebugEnabled()) {
s_logger.debug(
"successfully pinged vm's host IP ("
+ vmHost.getPrivateIpAddress()
+ "), but could not ping VM, returning that the VM is down");
}
return Boolean.FALSE;
}
}
}
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("unable to determine state of " + vm + " returning null");
}
return null;
}
@DB
protected void CheckAndCreateTunnel(VirtualMachine instance, DeployDestination dest) {
if (!_isEnabled) {
return;
}
if (instance.getType() != VirtualMachine.Type.User
&& instance.getType() != VirtualMachine.Type.DomainRouter) {
return;
}
long hostId = dest.getHost().getId();
long accountId = instance.getAccountId();
List<UserVmVO> vms = _userVmDao.listByAccountId(accountId);
List<DomainRouterVO> routers =
_routerDao.findBy(accountId, instance.getDataCenterIdToDeployIn());
List<VMInstanceVO> ins = new ArrayList<VMInstanceVO>();
if (vms != null) {
ins.addAll(vms);
}
if (routers.size() != 0) {
ins.addAll(routers);
}
List<Pair<Long, Integer>> toHosts = new ArrayList<Pair<Long, Integer>>();
List<Pair<Long, Integer>> fromHosts = new ArrayList<Pair<Long, Integer>>();
int key;
for (VMInstanceVO v : ins) {
Long rh = v.getHostId();
if (rh == null || rh.longValue() == hostId) {
continue;
}
OvsTunnelAccountVO ta =
_tunnelAccountDao.getByFromToAccount(hostId, rh.longValue(), accountId);
if (ta == null) {
key = getGreKey(hostId, rh.longValue(), accountId);
if (key == -1) {
s_logger.warn(
String.format(
"Cannot get GRE key for from=%1$s to=%2$s accountId=%3$s, tunnel create failed",
hostId, rh.longValue(), accountId));
continue;
}
Pair<Long, Integer> p = new Pair<Long, Integer>(rh, Integer.valueOf(key));
if (!toHosts.contains(p)) {
toHosts.add(p);
}
}
ta = _tunnelAccountDao.getByFromToAccount(rh.longValue(), hostId, accountId);
if (ta == null) {
key = getGreKey(rh.longValue(), hostId, accountId);
if (key == -1) {
s_logger.warn(
String.format(
"Cannot get GRE key for from=%1$s to=%2$s accountId=%3$s, tunnel create failed",
rh.longValue(), hostId, accountId));
continue;
}
Pair<Long, Integer> p = new Pair<Long, Integer>(rh, Integer.valueOf(key));
if (!fromHosts.contains(p)) {
fromHosts.add(p);
}
}
}
try {
String myIp = dest.getHost().getPrivateIpAddress();
for (Pair<Long, Integer> i : toHosts) {
HostVO rHost = _hostDao.findById(i.first());
Commands cmds =
new Commands(
new OvsCreateTunnelCommand(
rHost.getPrivateIpAddress(),
i.second().toString(),
Long.valueOf(hostId),
i.first(),
accountId,
myIp));
s_logger.debug("Ask host " + hostId + " to create gre tunnel to " + i.first());
Answer[] answers = _agentMgr.send(hostId, cmds);
handleCreateTunnelAnswer(answers);
}
for (Pair<Long, Integer> i : fromHosts) {
HostVO rHost = _hostDao.findById(i.first());
Commands cmd2s =
new Commands(
new OvsCreateTunnelCommand(
myIp,
i.second().toString(),
i.first(),
Long.valueOf(hostId),
accountId,
rHost.getPrivateIpAddress()));
s_logger.debug("Ask host " + i.first() + " to create gre tunnel to " + hostId);
Answer[] answers = _agentMgr.send(i.first(), cmd2s);
handleCreateTunnelAnswer(answers);
}
} catch (Exception e) {
s_logger.debug("Ovs Tunnel network created tunnel failed", e);
}
}
public Long migrate(final HaWorkVO work) {
final long vmId = work.getInstanceId();
final VirtualMachineGuru<VMInstanceVO> mgr = findManager(work.getType());
VMInstanceVO vm = mgr.get(vmId);
if (vm == null || vm.getRemoved() != null) {
s_logger.debug("Unable to find the vm " + vmId);
return null;
}
s_logger.info("Migrating vm: " + vm.toString());
if (vm.getHostId() == null || vm.getHostId() != work.getHostId()) {
s_logger.info("VM is not longer running on the current hostId");
return null;
}
short alertType = AlertManager.ALERT_TYPE_USERVM_MIGRATE;
if (VirtualMachine.Type.DomainRouter.equals(vm.getType())) {
alertType = AlertManager.ALERT_TYPE_DOMAIN_ROUTER_MIGRATE;
} else if (VirtualMachine.Type.ConsoleProxy.equals(vm.getType())) {
alertType = AlertManager.ALERT_TYPE_CONSOLE_PROXY_MIGRATE;
}
HostVO fromHost = _hostDao.findById(vm.getHostId());
String fromHostName = ((fromHost == null) ? "unknown" : fromHost.getName());
HostVO toHost = null;
if (work.getStep() == Step.Scheduled) {
if (vm.getState() != State.Running) {
s_logger.info(
"VM's state is not ready for migration. "
+ vm.toString()
+ " State is "
+ vm.getState().toString());
return (System.currentTimeMillis() >> 10) + _migrateRetryInterval;
}
DataCenterVO dcVO = _dcDao.findById(fromHost.getDataCenterId());
HostPodVO podVO = _podDao.findById(fromHost.getPodId());
try {
toHost = mgr.prepareForMigration(vm);
if (toHost == null) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Unable to find a host for migrating vm " + vmId);
}
_alertMgr.sendAlert(
alertType,
vm.getDataCenterId(),
vm.getPodId(),
"Unable to migrate vm "
+ vm.getName()
+ " from host "
+ fromHostName
+ " in zone "
+ dcVO.getName()
+ " and pod "
+ podVO.getName(),
"Unable to find a suitable host");
}
} catch (final InsufficientCapacityException e) {
s_logger.warn("Unable to mgirate due to insufficient capacity " + vm.toString());
_alertMgr.sendAlert(
alertType,
vm.getDataCenterId(),
vm.getPodId(),
"Unable to migrate vm "
+ vm.getName()
+ " from host "
+ fromHostName
+ " in zone "
+ dcVO.getName()
+ " and pod "
+ podVO.getName(),
"Insufficient capacity");
} catch (final StorageUnavailableException e) {
s_logger.warn("Storage is unavailable: " + vm.toString());
_alertMgr.sendAlert(
alertType,
vm.getDataCenterId(),
vm.getPodId(),
"Unable to migrate vm "
+ vm.getName()
+ " from host "
+ fromHostName
+ " in zone "
+ dcVO.getName()
+ " and pod "
+ podVO.getName(),
"Storage is gone.");
}
if (toHost == null) {
_agentMgr.maintenanceFailed(vm.getHostId());
return null;
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Migrating from " + work.getHostId() + " to " + toHost.getId());
}
work.setStep(Step.Migrating);
work.setHostId(toHost.getId());
_haDao.update(work.getId(), work);
}
if (work.getStep() == Step.Migrating) {
vm = mgr.get(vmId); // let's see if anything has changed.
boolean migrated = false;
if (vm == null
|| vm.getRemoved() != null
|| vm.getHostId() == null
|| !_itMgr.stateTransitTo(vm, Event.MigrationRequested, vm.getHostId())) {
s_logger.info("Migration cancelled because state has changed: " + vm.toString());
} else {
try {
boolean isWindows =
_guestOSCategoryDao
.findById(_guestOSDao.findById(vm.getGuestOSId()).getCategoryId())
.getName()
.equalsIgnoreCase("Windows");
MigrateCommand cmd =
new MigrateCommand(vm.getInstanceName(), toHost.getPrivateIpAddress(), isWindows);
Answer answer = _agentMgr.send(fromHost.getId(), cmd);
if (answer != null && answer.getResult()) {
migrated = true;
_storageMgr.unshare(vm, fromHost);
work.setStep(Step.Investigating);
_haDao.update(work.getId(), work);
}
} catch (final AgentUnavailableException e) {
s_logger.debug("host became unavailable");
} catch (final OperationTimedoutException e) {
s_logger.debug("operation timed out");
if (e.isActive()) {
scheduleRestart(vm, true);
}
}
}
if (!migrated) {
s_logger.info("Migration was unsuccessful. Cleaning up: " + vm.toString());
DataCenterVO dcVO = _dcDao.findById(vm.getDataCenterId());
HostPodVO podVO = _podDao.findById(vm.getPodId());
_alertMgr.sendAlert(
alertType,
fromHost.getDataCenterId(),
fromHost.getPodId(),
"Unable to migrate vm "
+ vm.getName()
+ " from host "
+ fromHost.getName()
+ " in zone "
+ dcVO.getName()
+ " and pod "
+ podVO.getName(),
"Migrate Command failed. Please check logs.");
_itMgr.stateTransitTo(vm, Event.MigrationFailedOnSource, toHost.getId());
_agentMgr.maintenanceFailed(vm.getHostId());
Command cleanup = mgr.cleanup(vm, null);
_agentMgr.easySend(toHost.getId(), cleanup);
_storageMgr.unshare(vm, toHost);
return null;
}
}
if (toHost == null) {
toHost = _hostDao.findById(work.getHostId());
}
DataCenterVO dcVO = _dcDao.findById(toHost.getDataCenterId());
HostPodVO podVO = _podDao.findById(toHost.getPodId());
try {
if (!mgr.completeMigration(vm, toHost)) {
_alertMgr.sendAlert(
alertType,
toHost.getDataCenterId(),
toHost.getPodId(),
"Unable to migrate "
+ vmId
+ " to host "
+ toHost.getName()
+ " in zone "
+ dcVO.getName()
+ " and pod "
+ podVO.getName(),
"Migration not completed");
s_logger.warn("Unable to complete migration: " + vm.toString());
} else {
s_logger.info("Migration is complete: " + vm.toString());
}
return null;
} catch (final AgentUnavailableException e) {
s_logger.warn("Agent is unavailable for " + vm.toString());
} catch (final OperationTimedoutException e) {
s_logger.warn("Operation timed outfor " + vm.toString());
}
_itMgr.stateTransitTo(vm, Event.MigrationFailedOnDest, toHost.getId());
return (System.currentTimeMillis() >> 10) + _migrateRetryInterval;
}
protected void loadResource(Long hostId) {
HostVO host = hostDao.findById(hostId);
Map<String, Object> params = new HashMap<String, Object>();
params.put("guid", host.getGuid());
params.put("ipaddress", host.getPrivateIpAddress());
params.put("username", "root");
params.put("password", "password");
params.put("zone", String.valueOf(host.getDataCenterId()));
params.put("pod", String.valueOf(host.getPodId()));
ServerResource resource = null;
if (host.getHypervisorType() == HypervisorType.XenServer) {
resource = new XcpOssResource();
try {
resource.configure(host.getName(), params);
} catch (ConfigurationException e) {
logger.debug("Failed to load resource:" + e.toString());
}
} else if (host.getHypervisorType() == HypervisorType.KVM) {
resource = new LibvirtComputingResource();
try {
params.put("public.network.device", "cloudbr0");
params.put("private.network.device", "cloudbr0");
resource.configure(host.getName(), params);
} catch (ConfigurationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} else if (host.getHypervisorType() == HypervisorType.VMware) {
ClusterVO cluster = clusterDao.findById(host.getClusterId());
String url = clusterDetailsDao.findDetail(cluster.getId(), "url").getValue();
URI uri;
try {
uri = new URI(url);
String userName = clusterDetailsDao.findDetail(cluster.getId(), "username").getValue();
String password = clusterDetailsDao.findDetail(cluster.getId(), "password").getValue();
VmwareServerDiscoverer discover = new VmwareServerDiscoverer();
Map<? extends ServerResource, Map<String, String>> resources =
discover.find(
host.getDataCenterId(),
host.getPodId(),
host.getClusterId(),
uri,
userName,
password,
null);
for (Map.Entry<? extends ServerResource, Map<String, String>> entry :
resources.entrySet()) {
resource = entry.getKey();
}
if (resource == null) {
throw new CloudRuntimeException("can't find resource");
}
} catch (DiscoveryException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (URISyntaxException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
hostResourcesMap.put(hostId, resource);
HostEnvironment env = new HostEnvironment();
SetupCommand cmd = new SetupCommand(env);
cmd.setNeedSetup(true);
resource.executeRequest(cmd);
}
