Examples with Commands com.cloud.agent.manager.Commands used on opensource projects

Example 36 with Commands

use of com.cloud.agent.manager.Commands in project cloudstack by apache.

the class StorageManagerImpl method sendToPool.

@Override
public Pair<Long, Answer> sendToPool(StoragePool pool, long[] hostIdsToTryFirst, List<Long> hostIdsToAvoid, Command cmd) throws StorageUnavailableException {
    Commands cmds = new Commands(cmd);
    Pair<Long, Answer[]> result = sendToPool(pool, hostIdsToTryFirst, hostIdsToAvoid, cmds);
    return new Pair<Long, Answer>(result.first(), result.second()[0]);
}

Example 37 with Commands

use of com.cloud.agent.manager.Commands in project cloudstack by apache.

the class VirtualMachineManagerImpl method migrate.

protected void migrate(final VMInstanceVO vm, final long srcHostId, final DeployDestination dest) throws ResourceUnavailableException, ConcurrentOperationException {
    s_logger.info("Migrating " + vm + " to " + dest);
    final long dstHostId = dest.getHost().getId();
    final Host fromHost = _hostDao.findById(srcHostId);
    if (fromHost == null) {
        s_logger.info("Unable to find the host to migrate from: " + srcHostId);
        throw new CloudRuntimeException("Unable to find the host to migrate from: " + srcHostId);
    }
    if (fromHost.getClusterId().longValue() != dest.getCluster().getId()) {
        final List<VolumeVO> volumes = _volsDao.findCreatedByInstance(vm.getId());
        for (final VolumeVO volume : volumes) {
            if (!_storagePoolDao.findById(volume.getPoolId()).getScope().equals(ScopeType.ZONE)) {
                s_logger.info("Source and destination host are not in same cluster and all volumes are not on zone wide primary store, unable to migrate to host: " + dest.getHost().getId());
                throw new CloudRuntimeException("Source and destination host are not in same cluster and all volumes are not on zone wide primary store, unable to migrate to host: " + dest.getHost().getId());
            }
        }
    }
    final VirtualMachineGuru vmGuru = getVmGuru(vm);
    if (vm.getState() != State.Running) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("VM is not Running, unable to migrate the vm " + vm);
        }
        throw new CloudRuntimeException("VM is not Running, unable to migrate the vm currently " + vm + " , current state: " + vm.getState().toString());
    }
    AlertManager.AlertType alertType = AlertManager.AlertType.ALERT_TYPE_USERVM_MIGRATE;
    if (VirtualMachine.Type.DomainRouter.equals(vm.getType())) {
        alertType = AlertManager.AlertType.ALERT_TYPE_DOMAIN_ROUTER_MIGRATE;
    } else if (VirtualMachine.Type.ConsoleProxy.equals(vm.getType())) {
        alertType = AlertManager.AlertType.ALERT_TYPE_CONSOLE_PROXY_MIGRATE;
    }
    final VirtualMachineProfile vmSrc = new VirtualMachineProfileImpl(vm);
    for (final NicProfile nic : _networkMgr.getNicProfiles(vm)) {
        vmSrc.addNic(nic);
    }
    final VirtualMachineProfile profile = new VirtualMachineProfileImpl(vm, null, _offeringDao.findById(vm.getId(), vm.getServiceOfferingId()), null, null);
    _networkMgr.prepareNicForMigration(profile, dest);
    volumeMgr.prepareForMigration(profile, dest);
    profile.setConfigDriveLabel(VmConfigDriveLabel.value());
    final VirtualMachineTO to = toVmTO(profile);
    final PrepareForMigrationCommand pfmc = new PrepareForMigrationCommand(to);
    ItWorkVO work = new ItWorkVO(UUID.randomUUID().toString(), _nodeId, State.Migrating, vm.getType(), vm.getId());
    work.setStep(Step.Prepare);
    work.setResourceType(ItWorkVO.ResourceType.Host);
    work.setResourceId(dstHostId);
    work = _workDao.persist(work);
    Answer pfma = null;
    try {
        pfma = _agentMgr.send(dstHostId, pfmc);
        if (pfma == null || !pfma.getResult()) {
            final String details = pfma != null ? pfma.getDetails() : "null answer returned";
            final String msg = "Unable to prepare for migration due to " + details;
            pfma = null;
            throw new AgentUnavailableException(msg, dstHostId);
        }
    } catch (final OperationTimedoutException e1) {
        throw new AgentUnavailableException("Operation timed out", dstHostId);
    } finally {
        if (pfma == null) {
            _networkMgr.rollbackNicForMigration(vmSrc, profile);
            work.setStep(Step.Done);
            _workDao.update(work.getId(), work);
        }
    }
    vm.setLastHostId(srcHostId);
    try {
        if (vm == null || vm.getHostId() == null || vm.getHostId() != srcHostId || !changeState(vm, Event.MigrationRequested, dstHostId, work, Step.Migrating)) {
            _networkMgr.rollbackNicForMigration(vmSrc, profile);
            s_logger.info("Migration cancelled because state has changed: " + vm);
            throw new ConcurrentOperationException("Migration cancelled because state has changed: " + vm);
        }
    } catch (final NoTransitionException e1) {
        _networkMgr.rollbackNicForMigration(vmSrc, profile);
        s_logger.info("Migration cancelled because " + e1.getMessage());
        throw new ConcurrentOperationException("Migration cancelled because " + e1.getMessage());
    }
    boolean migrated = false;
    try {
        final boolean isWindows = _guestOsCategoryDao.findById(_guestOsDao.findById(vm.getGuestOSId()).getCategoryId()).getName().equalsIgnoreCase("Windows");
        final MigrateCommand mc = new MigrateCommand(vm.getInstanceName(), dest.getHost().getPrivateIpAddress(), isWindows, to, getExecuteInSequence(vm.getHypervisorType()));
        mc.setHostGuid(dest.getHost().getGuid());
        try {
            final Answer ma = _agentMgr.send(vm.getLastHostId(), mc);
            if (ma == null || !ma.getResult()) {
                final String details = ma != null ? ma.getDetails() : "null answer returned";
                throw new CloudRuntimeException(details);
            }
        } catch (final OperationTimedoutException e) {
            if (e.isActive()) {
                s_logger.warn("Active migration command so scheduling a restart for " + vm);
                _haMgr.scheduleRestart(vm, true);
            }
            throw new AgentUnavailableException("Operation timed out on migrating " + vm, dstHostId);
        }
        try {
            if (!changeState(vm, VirtualMachine.Event.OperationSucceeded, dstHostId, work, Step.Started)) {
                throw new ConcurrentOperationException("Unable to change the state for " + vm);
            }
        } catch (final NoTransitionException e1) {
            throw new ConcurrentOperationException("Unable to change state due to " + e1.getMessage());
        }
        try {
            if (!checkVmOnHost(vm, dstHostId)) {
                s_logger.error("Unable to complete migration for " + vm);
                try {
                    _agentMgr.send(srcHostId, new Commands(cleanup(vm)), null);
                } catch (final AgentUnavailableException e) {
                    s_logger.error("AgentUnavailableException while cleanup on source host: " + srcHostId);
                }
                cleanup(vmGuru, new VirtualMachineProfileImpl(vm), work, Event.AgentReportStopped, true);
                throw new CloudRuntimeException("Unable to complete migration for " + vm);
            }
        } catch (final OperationTimedoutException e) {
            s_logger.debug("Error while checking the vm " + vm + " on host " + dstHostId, e);
        }
        migrated = true;
    } finally {
        if (!migrated) {
            s_logger.info("Migration was unsuccessful.  Cleaning up: " + vm);
            _networkMgr.rollbackNicForMigration(vmSrc, profile);
            _alertMgr.sendAlert(alertType, fromHost.getDataCenterId(), fromHost.getPodId(), "Unable to migrate vm " + vm.getInstanceName() + " from host " + fromHost.getName() + " in zone " + dest.getDataCenter().getName() + " and pod " + dest.getPod().getName(), "Migrate Command failed.  Please check logs.");
            try {
                _agentMgr.send(dstHostId, new Commands(cleanup(vm)), null);
            } catch (final AgentUnavailableException ae) {
                s_logger.info("Looks like the destination Host is unavailable for cleanup");
            }
            try {
                stateTransitTo(vm, Event.OperationFailed, srcHostId);
            } catch (final NoTransitionException e) {
                s_logger.warn(e.getMessage());
            }
        } else {
            _networkMgr.commitNicForMigration(vmSrc, profile);
        }
        work.setStep(Step.Done);
        _workDao.update(work.getId(), work);
    }
}

Example 38 with Commands

use of com.cloud.agent.manager.Commands in project cloudstack by apache.

the class VirtualMachineManagerImpl method orchestrateMigrateForScale.

private void orchestrateMigrateForScale(final String vmUuid, final long srcHostId, final DeployDestination dest, final Long oldSvcOfferingId) throws ResourceUnavailableException, ConcurrentOperationException {
    VMInstanceVO vm = _vmDao.findByUuid(vmUuid);
    s_logger.info("Migrating " + vm + " to " + dest);
    vm.getServiceOfferingId();
    final long dstHostId = dest.getHost().getId();
    final Host fromHost = _hostDao.findById(srcHostId);
    if (fromHost == null) {
        s_logger.info("Unable to find the host to migrate from: " + srcHostId);
        throw new CloudRuntimeException("Unable to find the host to migrate from: " + srcHostId);
    }
    if (fromHost.getClusterId().longValue() != dest.getCluster().getId()) {
        s_logger.info("Source and destination host are not in same cluster, unable to migrate to host: " + dstHostId);
        throw new CloudRuntimeException("Source and destination host are not in same cluster, unable to migrate to host: " + dest.getHost().getId());
    }
    final VirtualMachineGuru vmGuru = getVmGuru(vm);
    final long vmId = vm.getId();
    vm = _vmDao.findByUuid(vmUuid);
    if (vm == null) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Unable to find the vm " + vm);
        }
        throw new CloudRuntimeException("Unable to find a virtual machine with id " + vmId);
    }
    if (vm.getState() != State.Running) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("VM is not Running, unable to migrate the vm " + vm);
        }
        throw new CloudRuntimeException("VM is not Running, unable to migrate the vm currently " + vm + " , current state: " + vm.getState().toString());
    }
    AlertManager.AlertType alertType = AlertManager.AlertType.ALERT_TYPE_USERVM_MIGRATE;
    if (VirtualMachine.Type.DomainRouter.equals(vm.getType())) {
        alertType = AlertManager.AlertType.ALERT_TYPE_DOMAIN_ROUTER_MIGRATE;
    } else if (VirtualMachine.Type.ConsoleProxy.equals(vm.getType())) {
        alertType = AlertManager.AlertType.ALERT_TYPE_CONSOLE_PROXY_MIGRATE;
    }
    final VirtualMachineProfile profile = new VirtualMachineProfileImpl(vm);
    _networkMgr.prepareNicForMigration(profile, dest);
    volumeMgr.prepareForMigration(profile, dest);
    final VirtualMachineTO to = toVmTO(profile);
    final PrepareForMigrationCommand pfmc = new PrepareForMigrationCommand(to);
    ItWorkVO work = new ItWorkVO(UUID.randomUUID().toString(), _nodeId, State.Migrating, vm.getType(), vm.getId());
    work.setStep(Step.Prepare);
    work.setResourceType(ItWorkVO.ResourceType.Host);
    work.setResourceId(dstHostId);
    work = _workDao.persist(work);
    Answer pfma = null;
    try {
        pfma = _agentMgr.send(dstHostId, pfmc);
        if (pfma == null || !pfma.getResult()) {
            final String details = pfma != null ? pfma.getDetails() : "null answer returned";
            final String msg = "Unable to prepare for migration due to " + details;
            pfma = null;
            throw new AgentUnavailableException(msg, dstHostId);
        }
    } catch (final OperationTimedoutException e1) {
        throw new AgentUnavailableException("Operation timed out", dstHostId);
    } finally {
        if (pfma == null) {
            work.setStep(Step.Done);
            _workDao.update(work.getId(), work);
        }
    }
    vm.setLastHostId(srcHostId);
    try {
        if (vm == null || vm.getHostId() == null || vm.getHostId() != srcHostId || !changeState(vm, Event.MigrationRequested, dstHostId, work, Step.Migrating)) {
            s_logger.info("Migration cancelled because state has changed: " + vm);
            throw new ConcurrentOperationException("Migration cancelled because state has changed: " + vm);
        }
    } catch (final NoTransitionException e1) {
        s_logger.info("Migration cancelled because " + e1.getMessage());
        throw new ConcurrentOperationException("Migration cancelled because " + e1.getMessage());
    }
    boolean migrated = false;
    try {
        final boolean isWindows = _guestOsCategoryDao.findById(_guestOsDao.findById(vm.getGuestOSId()).getCategoryId()).getName().equalsIgnoreCase("Windows");
        final MigrateCommand mc = new MigrateCommand(vm.getInstanceName(), dest.getHost().getPrivateIpAddress(), isWindows, to, getExecuteInSequence(vm.getHypervisorType()));
        mc.setHostGuid(dest.getHost().getGuid());
        try {
            final Answer ma = _agentMgr.send(vm.getLastHostId(), mc);
            if (ma == null || !ma.getResult()) {
                final String details = ma != null ? ma.getDetails() : "null answer returned";
                final String msg = "Unable to migrate due to " + details;
                s_logger.error(msg);
                throw new CloudRuntimeException(msg);
            }
        } catch (final OperationTimedoutException e) {
            if (e.isActive()) {
                s_logger.warn("Active migration command so scheduling a restart for " + vm);
                _haMgr.scheduleRestart(vm, true);
            }
            throw new AgentUnavailableException("Operation timed out on migrating " + vm, dstHostId);
        }
        try {
            final long newServiceOfferingId = vm.getServiceOfferingId();
            // release capacity for the old service offering only
            vm.setServiceOfferingId(oldSvcOfferingId);
            if (!changeState(vm, VirtualMachine.Event.OperationSucceeded, dstHostId, work, Step.Started)) {
                throw new ConcurrentOperationException("Unable to change the state for " + vm);
            }
            vm.setServiceOfferingId(newServiceOfferingId);
        } catch (final NoTransitionException e1) {
            throw new ConcurrentOperationException("Unable to change state due to " + e1.getMessage());
        }
        try {
            if (!checkVmOnHost(vm, dstHostId)) {
                s_logger.error("Unable to complete migration for " + vm);
                try {
                    _agentMgr.send(srcHostId, new Commands(cleanup(vm.getInstanceName())), null);
                } catch (final AgentUnavailableException e) {
                    s_logger.error("AgentUnavailableException while cleanup on source host: " + srcHostId);
                }
                cleanup(vmGuru, new VirtualMachineProfileImpl(vm), work, Event.AgentReportStopped, true);
                throw new CloudRuntimeException("Unable to complete migration for " + vm);
            }
        } catch (final OperationTimedoutException e) {
            s_logger.debug("Error while checking the vm " + vm + " on host " + dstHostId, e);
        }
        migrated = true;
    } finally {
        if (!migrated) {
            s_logger.info("Migration was unsuccessful.  Cleaning up: " + vm);
            _alertMgr.sendAlert(alertType, fromHost.getDataCenterId(), fromHost.getPodId(), "Unable to migrate vm " + vm.getInstanceName() + " from host " + fromHost.getName() + " in zone " + dest.getDataCenter().getName() + " and pod " + dest.getPod().getName(), "Migrate Command failed.  Please check logs.");
            try {
                _agentMgr.send(dstHostId, new Commands(cleanup(vm.getInstanceName())), null);
            } catch (final AgentUnavailableException ae) {
                s_logger.info("Looks like the destination Host is unavailable for cleanup");
            }
            try {
                stateTransitTo(vm, Event.OperationFailed, srcHostId);
            } catch (final NoTransitionException e) {
                s_logger.warn(e.getMessage());
            }
        }
        work.setStep(Step.Done);
        _workDao.update(work.getId(), work);
    }
}

Example 39 with Commands

use of com.cloud.agent.manager.Commands in project cloudstack by apache.

the class VirtualMachineManagerImpl method unplugNic.

public boolean unplugNic(final Network network, final NicTO nic, final VirtualMachineTO vm, final ReservationContext context, final DeployDestination dest) throws ConcurrentOperationException, ResourceUnavailableException {
    boolean result = true;
    final VMInstanceVO router = _vmDao.findById(vm.getId());
    if (router.getState() == State.Running) {
        try {
            final Commands cmds = new Commands(Command.OnError.Stop);
            final UnPlugNicCommand unplugNicCmd = new UnPlugNicCommand(nic, vm.getName());
            cmds.addCommand("unplugnic", unplugNicCmd);
            _agentMgr.send(dest.getHost().getId(), cmds);
            final UnPlugNicAnswer unplugNicAnswer = cmds.getAnswer(UnPlugNicAnswer.class);
            if (!(unplugNicAnswer != null && unplugNicAnswer.getResult())) {
                s_logger.warn("Unable to unplug nic from router " + router);
                result = false;
            }
        } catch (final OperationTimedoutException e) {
            throw new AgentUnavailableException("Unable to unplug nic from rotuer " + router + " from network " + network, dest.getHost().getId(), e);
        }
    } else if (router.getState() == State.Stopped || router.getState() == State.Stopping) {
        s_logger.debug("Vm " + router.getInstanceName() + " is in " + router.getState() + ", so not sending unplug nic command to the backend");
    } else {
        s_logger.warn("Unable to apply unplug nic, Vm " + router + " is not in the right state " + router.getState());
        throw new ResourceUnavailableException("Unable to apply unplug nic on the backend," + " vm " + router + " is not in the right state", DataCenter.class, router.getDataCenterId());
    }
    return result;
}

Example 40 with Commands

use of com.cloud.agent.manager.Commands in project cloudstack by apache.

the class VirtualMachineManagerImpl method orchestrateReboot.

private void orchestrateReboot(final String vmUuid, final Map<VirtualMachineProfile.Param, Object> params) throws InsufficientCapacityException, ConcurrentOperationException, ResourceUnavailableException {
    final VMInstanceVO vm = _vmDao.findByUuid(vmUuid);
    // if there are active vm snapshots task, state change is not allowed
    if (_vmSnapshotMgr.hasActiveVMSnapshotTasks(vm.getId())) {
        s_logger.error("Unable to reboot VM " + vm + " due to: " + vm.getInstanceName() + " has active VM snapshots tasks");
        throw new CloudRuntimeException("Unable to reboot VM " + vm + " due to: " + vm.getInstanceName() + " has active VM snapshots tasks");
    }
    final DataCenter dc = _entityMgr.findById(DataCenter.class, vm.getDataCenterId());
    final Host host = _hostDao.findById(vm.getHostId());
    if (host == null) {
        // Should findById throw an Exception is the host is not found?
        throw new CloudRuntimeException("Unable to retrieve host with id " + vm.getHostId());
    }
    final Cluster cluster = _entityMgr.findById(Cluster.class, host.getClusterId());
    final Pod pod = _entityMgr.findById(Pod.class, host.getPodId());
    final DeployDestination dest = new DeployDestination(dc, pod, cluster, host);
    try {
        final Commands cmds = new Commands(Command.OnError.Stop);
        cmds.addCommand(new RebootCommand(vm.getInstanceName(), getExecuteInSequence(vm.getHypervisorType())));
        _agentMgr.send(host.getId(), cmds);
        final Answer rebootAnswer = cmds.getAnswer(RebootAnswer.class);
        if (rebootAnswer != null && rebootAnswer.getResult()) {
            return;
        }
        s_logger.info("Unable to reboot VM " + vm + " on " + dest.getHost() + " due to " + (rebootAnswer == null ? " no reboot answer" : rebootAnswer.getDetails()));
    } catch (final OperationTimedoutException e) {
        s_logger.warn("Unable to send the reboot command to host " + dest.getHost() + " for the vm " + vm + " due to operation timeout", e);
        throw new CloudRuntimeException("Failed to reboot the vm on host " + dest.getHost());
    }
}