Examples with Answer com.cloud.legacymodel.communication.answer.Answer used on opensource projects

Example 76 with Answer

use of com.cloud.legacymodel.communication.answer.Answer in project cosmic by MissionCriticalCloud.

the class VirtualRoutingResource method applyConfig.

private Answer applyConfig(final NetworkElementCommand cmd, final List<ConfigItem> cfg) {
    if (cfg.isEmpty()) {
        return new Answer(cmd, true, "Nothing to do");
    }
    final List<ExecutionResult> results = new ArrayList<>();
    final List<String> details = new ArrayList<>();
    boolean finalResult = false;
    for (final ConfigItem configItem : cfg) {
        final long startTimestamp = System.currentTimeMillis();
        ExecutionResult result = applyConfigToVR(cmd.getRouterAccessIp(), configItem);
        if (s_logger.isDebugEnabled()) {
            final long elapsed = System.currentTimeMillis() - startTimestamp;
            s_logger.debug("Processing " + configItem + " took " + elapsed + "ms");
        }
        if (result == null) {
            result = new ExecutionResult(false, "null execution result");
        }
        results.add(result);
        details.add(configItem.getInfo() + (result.isSuccess() ? " - success: " : " - failed: ") + result.getDetails());
        finalResult = result.isSuccess();
    }
    // Not sure why this matters, but log it anyway
    if (cmd.getAnswersCount() != results.size()) {
        s_logger.warn("Expected " + cmd.getAnswersCount() + " answers while executing " + cmd.getClass().getSimpleName() + " but received " + results.size());
    }
    if (results.size() == 1) {
        return new Answer(cmd, finalResult, results.get(0).getDetails());
    } else {
        return new GroupAnswer(cmd, finalResult, results.size(), details.toArray(new String[details.size()]));
    }
}

Example 77 with Answer

use of com.cloud.legacymodel.communication.answer.Answer in project cosmic by MissionCriticalCloud.

the class VirtualRoutingResource method executeRequest.

public Answer executeRequest(final NetworkElementCommand cmd) {
    boolean aggregated = false;
    final String routerName = cmd.getAccessDetail(NetworkElementCommand.ROUTER_NAME);
    final Lock lock;
    if (this._vrLockMap.containsKey(routerName)) {
        lock = this._vrLockMap.get(routerName);
    } else {
        lock = new ReentrantLock();
        this._vrLockMap.put(routerName, lock);
    }
    lock.lock();
    try {
        final ExecutionResult rc = this._vrDeployer.prepareCommand(cmd);
        if (!rc.isSuccess()) {
            s_logger.error("Failed to prepare VR command due to " + rc.getDetails());
            return new Answer(cmd, false, rc.getDetails());
        }
        assert cmd.getRouterAccessIp() != null : "Why there is no access IP for VR?";
        if (cmd.isQuery()) {
            return executeQueryCommand(cmd);
        }
        if (cmd instanceof AggregationControlCommand) {
            return execute((AggregationControlCommand) cmd);
        }
        if (this._vrAggregateCommandsSet.containsKey(routerName)) {
            this._vrAggregateCommandsSet.get(routerName).add(cmd);
            aggregated = true;
            // TODO: Deal with group answer as well
            return new Answer(cmd);
        }
        final List<ConfigItem> cfg = generateCommandCfg(cmd);
        if (cfg == null) {
            return Answer.createUnsupportedCommandAnswer(cmd);
        }
        return applyConfig(cmd, cfg);
    } catch (final IllegalArgumentException e) {
        return new Answer(cmd, false, e.getMessage());
    } finally {
        lock.unlock();
        if (!aggregated) {
            final ExecutionResult rc = this._vrDeployer.cleanupCommand(cmd);
            if (!rc.isSuccess()) {
                s_logger.error("Failed to cleanup VR command due to " + rc.getDetails());
            }
        }
    }
}

Example 78 with Answer

use of com.cloud.legacymodel.communication.answer.Answer in project cosmic by MissionCriticalCloud.

the class ServerResourceBase method createErrorAnswer.

protected Answer createErrorAnswer(final Command cmd, final String msg, final Throwable th) {
    final StringWriter writer = new StringWriter();
    if (msg != null) {
        writer.append(msg);
    }
    writer.append("===>Stack<===");
    th.printStackTrace(new PrintWriter(writer));
    return new Answer(cmd, false, writer.toString());
}

Example 79 with Answer

use of com.cloud.legacymodel.communication.answer.Answer in project cosmic by MissionCriticalCloud.

the class DefaultVMSnapshotStrategy method deleteVMSnapshot.

@Override
public boolean deleteVMSnapshot(final VMSnapshot vmSnapshot) {
    final UserVmVO userVm = userVmDao.findById(vmSnapshot.getVmId());
    final VMSnapshotVO vmSnapshotVO = (VMSnapshotVO) vmSnapshot;
    try {
        vmSnapshotHelper.vmSnapshotStateTransitTo(vmSnapshot, VMSnapshot.Event.ExpungeRequested);
    } catch (final 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 {
        final Long hostId = vmSnapshotHelper.pickRunningHost(vmSnapshot.getVmId());
        final List<VolumeObjectTO> volumeTOs = vmSnapshotHelper.getVolumeTOList(vmSnapshot.getVmId());
        final String vmInstanceName = userVm.getInstanceName();
        final VMSnapshotTO parent = vmSnapshotHelper.getSnapshotWithParents(vmSnapshotVO).getParent();
        final VMSnapshotTO vmSnapshotTO = new VMSnapshotTO(vmSnapshot.getId(), vmSnapshot.getName(), vmSnapshot.getType(), vmSnapshot.getCreated().getTime(), vmSnapshot.getDescription(), vmSnapshot.getCurrent(), parent, true);
        final GuestOSVO guestOS = guestOSDao.findById(userVm.getGuestOSId());
        final DeleteVMSnapshotCommand deleteSnapshotCommand = new DeleteVMSnapshotCommand(vmInstanceName, vmSnapshotTO, volumeTOs, guestOS.getDisplayName());
        final Answer answer = agentMgr.send(hostId, deleteSnapshotCommand);
        if (answer != null && answer.getResult()) {
            processAnswer(vmSnapshotVO, userVm, answer, hostId);
            return true;
        } else {
            final 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 (final OperationTimedoutException | AgentUnavailableException e) {
        throw new CloudRuntimeException("Delete vm snapshot " + vmSnapshot.getName() + " of vm " + userVm.getInstanceName() + " failed due to " + e.getMessage());
    }
}

Example 80 with Answer

use of com.cloud.legacymodel.communication.answer.Answer in project cosmic by MissionCriticalCloud.

the class VolumeServiceImpl method resizeVolumeOnHypervisor.

@Override
public void resizeVolumeOnHypervisor(final long volumeId, final long newSize, final long destHostId, final String instanceName) {
    final String errMsg = "Resize command failed";
    try {
        Answer answer = null;
        final Host destHost = _hostDao.findById(destHostId);
        final EndPoint ep = RemoteHostEndPoint.getHypervisorHostEndPoint(destHost);
        if (ep != null) {
            final VolumeVO volume = volDao.findById(volumeId);
            final PrimaryDataStore primaryDataStore = this.dataStoreMgr.getPrimaryDataStore(volume.getPoolId());
            final ResizeVolumeCommand resizeCmd = new ResizeVolumeCommand(volume.getPath(), new StorageFilerTO(primaryDataStore), volume.getSize(), newSize, true, instanceName);
            answer = ep.sendMessage(resizeCmd);
        } else {
            throw new CloudRuntimeException("Could not find a remote endpoint to send command to. Check if host or SSVM is down.");
        }
        if (answer == null || !answer.getResult()) {
            throw new CloudRuntimeException(answer != null ? answer.getDetails() : errMsg);
        }
    } catch (final Exception e) {
        throw new CloudRuntimeException(errMsg, e);
    }
}