Examples with AgentUnavailableException com.cloud.exception.AgentUnavailableException used on opensource projects

Example 61 with AgentUnavailableException

use of com.cloud.exception.AgentUnavailableException in project cloudstack by apache.

the class AgentAttache method send.

public void send(final Request req, final Listener listener) throws AgentUnavailableException {
    checkAvailability(req.getCommands());
    long seq = req.getSequence();
    if (listener != null) {
        registerListener(seq, listener);
    } else if (s_logger.isDebugEnabled()) {
        s_logger.debug(log(seq, "Routed from " + req.getManagementServerId()));
    }
    synchronized (this) {
        try {
            if (isClosed()) {
                throw new AgentUnavailableException("The link to the agent " + _name + " has been closed", _id);
            }
            if (req.executeInSequence() && _currentSequence != null) {
                req.logD("Waiting for Seq " + _currentSequence + " Scheduling: ", true);
                addRequest(req);
                return;
            }
            // If we got to here either we're not suppose to set
            // the _currentSequence or it is null already.
            req.logD("Sending ", true);
            send(req);
            if (req.executeInSequence() && _currentSequence == null) {
                _currentSequence = seq;
                if (s_logger.isTraceEnabled()) {
                    s_logger.trace(log(seq, " is current sequence"));
                }
            }
        } catch (AgentUnavailableException e) {
            s_logger.info(log(seq, "Unable to send due to " + e.getMessage()));
            cancel(seq);
            throw e;
        } catch (Exception e) {
            s_logger.warn(log(seq, "Unable to send due to "), e);
            cancel(seq);
            throw new AgentUnavailableException("Problem due to other exception " + e.getMessage(), _id);
        }
    }
}

Example 62 with AgentUnavailableException

use of com.cloud.exception.AgentUnavailableException in project cloudstack by apache.

the class AgentAttache method sendNext.

protected synchronized void sendNext(final long seq) {
    _currentSequence = null;
    if (_requests.isEmpty()) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug(log(seq, "No more commands found"));
        }
        return;
    }
    Request req = _requests.pop();
    if (s_logger.isDebugEnabled()) {
        s_logger.debug(log(req.getSequence(), "Sending now.  is current sequence."));
    }
    try {
        send(req);
    } catch (AgentUnavailableException e) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug(log(req.getSequence(), "Unable to send the next sequence"));
        }
        cancel(req.getSequence());
    }
    _currentSequence = req.getSequence();
}

Example 63 with AgentUnavailableException

use of com.cloud.exception.AgentUnavailableException in project cloudstack by apache.

the class DefaultVMSnapshotStrategy method takeVMSnapshot.

@Override
public VMSnapshot takeVMSnapshot(VMSnapshot vmSnapshot) {
    Long hostId = vmSnapshotHelper.pickRunningHost(vmSnapshot.getVmId());
    UserVm userVm = userVmDao.findById(vmSnapshot.getVmId());
    VMSnapshotVO vmSnapshotVO = (VMSnapshotVO) vmSnapshot;
    try {
        vmSnapshotHelper.vmSnapshotStateTransitTo(vmSnapshotVO, VMSnapshot.Event.CreateRequested);
    } catch (NoTransitionException e) {
        throw new CloudRuntimeException(e.getMessage());
    }
    CreateVMSnapshotAnswer answer = null;
    boolean result = false;
    try {
        GuestOSVO guestOS = guestOSDao.findById(userVm.getGuestOSId());
        List<VolumeObjectTO> volumeTOs = vmSnapshotHelper.getVolumeTOList(userVm.getId());
        VMSnapshotTO current = null;
        VMSnapshotVO currentSnapshot = vmSnapshotDao.findCurrentSnapshotByVmId(userVm.getId());
        if (currentSnapshot != null)
            current = vmSnapshotHelper.getSnapshotWithParents(currentSnapshot);
        VMSnapshotOptions options = ((VMSnapshotVO) vmSnapshot).getOptions();
        boolean quiescevm = true;
        if (options != null)
            quiescevm = options.needQuiesceVM();
        VMSnapshotTO target = new VMSnapshotTO(vmSnapshot.getId(), vmSnapshot.getName(), vmSnapshot.getType(), null, vmSnapshot.getDescription(), false, current, quiescevm);
        if (current == null)
            vmSnapshotVO.setParent(null);
        else
            vmSnapshotVO.setParent(current.getId());
        HostVO host = hostDao.findById(hostId);
        GuestOSHypervisorVO guestOsMapping = guestOsHypervisorDao.findByOsIdAndHypervisor(guestOS.getId(), host.getHypervisorType().toString(), host.getHypervisorVersion());
        CreateVMSnapshotCommand ccmd = new CreateVMSnapshotCommand(userVm.getInstanceName(), userVm.getUuid(), target, volumeTOs, guestOS.getDisplayName());
        if (guestOsMapping == null) {
            ccmd.setPlatformEmulator(null);
        } else {
            ccmd.setPlatformEmulator(guestOsMapping.getGuestOsName());
        }
        ccmd.setWait(_wait);
        answer = (CreateVMSnapshotAnswer) agentMgr.send(hostId, ccmd);
        if (answer != null && answer.getResult()) {
            processAnswer(vmSnapshotVO, userVm, answer, hostId);
            s_logger.debug("Create vm snapshot " + vmSnapshot.getName() + " succeeded for vm: " + userVm.getInstanceName());
            result = true;
            for (VolumeObjectTO volumeTo : answer.getVolumeTOs()) {
                publishUsageEvent(EventTypes.EVENT_VM_SNAPSHOT_CREATE, vmSnapshot, userVm, volumeTo);
            }
            return vmSnapshot;
        } else {
            String errMsg = "Creating VM snapshot: " + vmSnapshot.getName() + " failed";
            if (answer != null && answer.getDetails() != null)
                errMsg = errMsg + " due to " + answer.getDetails();
            s_logger.error(errMsg);
            throw new CloudRuntimeException(errMsg);
        }
    } catch (OperationTimedoutException e) {
        s_logger.debug("Creating VM snapshot: " + vmSnapshot.getName() + " failed: " + e.toString());
        throw new CloudRuntimeException("Creating VM snapshot: " + vmSnapshot.getName() + " failed: " + e.toString());
    } catch (AgentUnavailableException e) {
        s_logger.debug("Creating VM snapshot: " + vmSnapshot.getName() + " failed", e);
        throw new CloudRuntimeException("Creating VM snapshot: " + vmSnapshot.getName() + " failed: " + e.toString());
    } finally {
        if (!result) {
            try {
                vmSnapshotHelper.vmSnapshotStateTransitTo(vmSnapshot, VMSnapshot.Event.OperationFailed);
            } catch (NoTransitionException e1) {
                s_logger.error("Cannot set vm snapshot state due to: " + e1.getMessage());
            }
        }
    }
}

Example 64 with AgentUnavailableException

use of com.cloud.exception.AgentUnavailableException in project cloudstack by apache.

the class DefaultVMSnapshotStrategy method deleteVMSnapshot.

@Override
public boolean deleteVMSnapshot(VMSnapshot vmSnapshot) {
    UserVmVO userVm = userVmDao.findById(vmSnapshot.getVmId());
    VMSnapshotVO vmSnapshotVO = (VMSnapshotVO) vmSnapshot;
    try {
        vmSnapshotHelper.vmSnapshotStateTransitTo(vmSnapshot, VMSnapshot.Event.ExpungeRequested);
    } catch (NoTransitionException e) {
        s_logger.debug("Failed to change vm snapshot state with event ExpungeRequested");
        throw new CloudRuntimeException("Failed to change vm snapshot state with event ExpungeRequested: " + e.getMessage());
    }
    try {
        Long hostId = vmSnapshotHelper.pickRunningHost(vmSnapshot.getVmId());
        List<VolumeObjectTO> volumeTOs = vmSnapshotHelper.getVolumeTOList(vmSnapshot.getVmId());
        String vmInstanceName = userVm.getInstanceName();
        VMSnapshotTO parent = vmSnapshotHelper.getSnapshotWithParents(vmSnapshotVO).getParent();
        VMSnapshotTO vmSnapshotTO = new VMSnapshotTO(vmSnapshot.getId(), vmSnapshot.getName(), vmSnapshot.getType(), vmSnapshot.getCreated().getTime(), vmSnapshot.getDescription(), vmSnapshot.getCurrent(), parent, true);
        GuestOSVO guestOS = guestOSDao.findById(userVm.getGuestOSId());
        DeleteVMSnapshotCommand deleteSnapshotCommand = new DeleteVMSnapshotCommand(vmInstanceName, vmSnapshotTO, volumeTOs, guestOS.getDisplayName());
        Answer answer = agentMgr.send(hostId, deleteSnapshotCommand);
        if (answer != null && answer.getResult()) {
            DeleteVMSnapshotAnswer deleteVMSnapshotAnswer = (DeleteVMSnapshotAnswer) answer;
            processAnswer(vmSnapshotVO, userVm, answer, hostId);
            for (VolumeObjectTO volumeTo : deleteVMSnapshotAnswer.getVolumeTOs()) {
                publishUsageEvent(EventTypes.EVENT_VM_SNAPSHOT_DELETE, vmSnapshot, userVm, volumeTo);
            }
            return true;
        } else {
            String errMsg = (answer == null) ? null : answer.getDetails();
            s_logger.error("Delete vm snapshot " + vmSnapshot.getName() + " of vm " + userVm.getInstanceName() + " failed due to " + errMsg);
            throw new CloudRuntimeException("Delete vm snapshot " + vmSnapshot.getName() + " of vm " + userVm.getInstanceName() + " failed due to " + errMsg);
        }
    } catch (OperationTimedoutException e) {
        throw new CloudRuntimeException("Delete vm snapshot " + vmSnapshot.getName() + " of vm " + userVm.getInstanceName() + " failed due to " + e.getMessage());
    } catch (AgentUnavailableException e) {
        throw new CloudRuntimeException("Delete vm snapshot " + vmSnapshot.getName() + " of vm " + userVm.getInstanceName() + " failed due to " + e.getMessage());
    }
}

Example 65 with AgentUnavailableException

use of com.cloud.exception.AgentUnavailableException in project cloudstack by apache.

the class DefaultVMSnapshotStrategy method revertVMSnapshot.

@Override
public boolean revertVMSnapshot(VMSnapshot vmSnapshot) {
    VMSnapshotVO vmSnapshotVO = (VMSnapshotVO) vmSnapshot;
    UserVmVO userVm = userVmDao.findById(vmSnapshot.getVmId());
    try {
        vmSnapshotHelper.vmSnapshotStateTransitTo(vmSnapshotVO, VMSnapshot.Event.RevertRequested);
    } catch (NoTransitionException e) {
        throw new CloudRuntimeException(e.getMessage());
    }
    boolean result = false;
    try {
        VMSnapshotVO snapshot = vmSnapshotDao.findById(vmSnapshotVO.getId());
        List<VolumeObjectTO> volumeTOs = vmSnapshotHelper.getVolumeTOList(userVm.getId());
        String vmInstanceName = userVm.getInstanceName();
        VMSnapshotTO parent = vmSnapshotHelper.getSnapshotWithParents(snapshot).getParent();
        VMSnapshotTO vmSnapshotTO = new VMSnapshotTO(snapshot.getId(), snapshot.getName(), snapshot.getType(), snapshot.getCreated().getTime(), snapshot.getDescription(), snapshot.getCurrent(), parent, true);
        Long hostId = vmSnapshotHelper.pickRunningHost(vmSnapshot.getVmId());
        GuestOSVO guestOS = guestOSDao.findById(userVm.getGuestOSId());
        RevertToVMSnapshotCommand revertToSnapshotCommand = new RevertToVMSnapshotCommand(vmInstanceName, userVm.getUuid(), vmSnapshotTO, volumeTOs, guestOS.getDisplayName());
        HostVO host = hostDao.findById(hostId);
        GuestOSHypervisorVO guestOsMapping = guestOsHypervisorDao.findByOsIdAndHypervisor(guestOS.getId(), host.getHypervisorType().toString(), host.getHypervisorVersion());
        if (guestOsMapping == null) {
            revertToSnapshotCommand.setPlatformEmulator(null);
        } else {
            revertToSnapshotCommand.setPlatformEmulator(guestOsMapping.getGuestOsName());
        }
        RevertToVMSnapshotAnswer answer = (RevertToVMSnapshotAnswer) agentMgr.send(hostId, revertToSnapshotCommand);
        if (answer != null && answer.getResult()) {
            processAnswer(vmSnapshotVO, userVm, answer, hostId);
            result = true;
        } else {
            String errMsg = "Revert VM: " + userVm.getInstanceName() + " to snapshot: " + vmSnapshotVO.getName() + " failed";
            if (answer != null && answer.getDetails() != null)
                errMsg = errMsg + " due to " + answer.getDetails();
            s_logger.error(errMsg);
            throw new CloudRuntimeException(errMsg);
        }
    } catch (OperationTimedoutException e) {
        s_logger.debug("Failed to revert vm snapshot", e);
        throw new CloudRuntimeException(e.getMessage());
    } catch (AgentUnavailableException e) {
        s_logger.debug("Failed to revert vm snapshot", e);
        throw new CloudRuntimeException(e.getMessage());
    } finally {
        if (!result) {
            try {
                vmSnapshotHelper.vmSnapshotStateTransitTo(vmSnapshot, VMSnapshot.Event.OperationFailed);
            } catch (NoTransitionException e1) {
                s_logger.error("Cannot set vm snapshot state due to: " + e1.getMessage());
            }
        }
    }
    return result;
}