Examples with YFlow org.openkilda.model.YFlow used on opensource projects

Example 46 with YFlow

use of org.openkilda.model.YFlow in project open-kilda by telstra.

the class RerouteQueueService method isRetryRequired.

private boolean isRetryRequired(String flowId, RerouteError rerouteError, boolean isYFlow) {
    if (rerouteError instanceof NoPathFoundError) {
        log.info("Received no path found error for flow {}", flowId);
        return true;
    } else if (rerouteError instanceof RerouteInProgressError) {
        log.info("Received reroute in progress error for flow {}", flowId);
        return true;
    } else if (rerouteError instanceof SpeakerRequestError) {
        if (isYFlow) {
            log.info("Received speaker request error for y-flow {}", flowId);
            YFlow yFlow = yFlowRepository.findById(flowId).orElse(null);
            if (yFlow == null) {
                log.error("Y-flow {} not found", flowId);
                return false;
            }
            Set<SwitchId> yFlowSwitchIds = yFlow.getSubFlows().stream().map(YSubFlow::getEndpointSwitchId).collect(Collectors.toSet());
            yFlowSwitchIds.add(yFlow.getSharedEndpoint().getSwitchId());
            boolean isRetryRequired = true;
            SpeakerRequestError ruleFailedError = (SpeakerRequestError) rerouteError;
            for (SwitchId switchId : yFlowSwitchIds) {
                isRetryRequired &= !ruleFailedError.getSwitches().contains(switchId);
            }
            return isRetryRequired;
        } else {
            log.info("Received speaker request error for flow {}", flowId);
            Flow flow = flowRepository.findById(flowId).orElse(null);
            if (flow == null) {
                log.error("Flow {} not found", flowId);
                return false;
            }
            SpeakerRequestError ruleFailedError = (SpeakerRequestError) rerouteError;
            return !ruleFailedError.getSwitches().contains(flow.getSrcSwitchId()) && !ruleFailedError.getSwitches().contains(flow.getDestSwitchId());
        }
    }
    return false;
}

Example 47 with YFlow

use of org.openkilda.model.YFlow in project open-kilda by telstra.

the class RerouteQueueService method processManualRequest.

/**
 * Process manual reroute request.
 *
 * @param flowId flow id
 * @param throttlingData reroute request params
 */
public void processManualRequest(String flowId, FlowThrottlingData throttlingData) {
    if (throttlingData.isYFlow()) {
        Optional<YFlow> yFlow = yFlowRepository.findById(flowId);
        if (!yFlow.isPresent()) {
            String description = format("Y-flow %s not found", flowId);
            ErrorData errorData = new ErrorData(ErrorType.NOT_FOUND, "Could not reroute y-flow", description);
            carrier.emitFlowRerouteError(errorData);
            return;
        } else if (yFlow.get().isPinned()) {
            String description = "Can't reroute pinned y-flow";
            ErrorData errorData = new ErrorData(ErrorType.UNPROCESSABLE_REQUEST, "Could not reroute y-flow", description);
            carrier.emitFlowRerouteError(errorData);
            return;
        }
    } else {
        Optional<Flow> flow = flowRepository.findById(flowId);
        if (!flow.isPresent()) {
            String description = format("Flow %s not found", flowId);
            ErrorData errorData = new ErrorData(ErrorType.NOT_FOUND, "Could not reroute flow", description);
            carrier.emitFlowRerouteError(errorData);
            return;
        } else if (flow.get().isPinned()) {
            String description = "Can't reroute pinned flow";
            ErrorData errorData = new ErrorData(ErrorType.UNPROCESSABLE_REQUEST, "Could not reroute flow", description);
            carrier.emitFlowRerouteError(errorData);
            return;
        }
    }
    RerouteQueue rerouteQueue = getRerouteQueue(flowId);
    if (rerouteQueue.hasInProgress()) {
        String description = format("Flow %s is in reroute process", flowId);
        ErrorData errorData = new ErrorData(ErrorType.UNPROCESSABLE_REQUEST, "Could not reroute flow", description);
        carrier.emitFlowRerouteError(errorData);
    } else {
        rerouteQueue.putToInProgress(throttlingData);
        sendRerouteRequest(flowId, throttlingData);
    }
}

Example 48 with YFlow

use of org.openkilda.model.YFlow in project open-kilda by telstra.

the class AllocateYFlowResourcesAction method perform.

@Override
public void perform(S from, S to, E event, C context, T stateMachine) {
    try {
        String yFlowId = stateMachine.getYFlowId();
        YFlowResources newResources;
        // This could be a retry.
        if (stateMachine.getNewResources() != null) {
            newResources = stateMachine.getNewResources();
        } else {
            newResources = new YFlowResources();
            stateMachine.setNewResources(newResources);
        }
        YFlow yFlow = getYFlow(yFlowId);
        SwitchId sharedEndpoint = yFlow.getSharedEndpoint().getSwitchId();
        if (newResources.getSharedEndpointResources() == null) {
            EndpointResources sharedEndpointResources = allocateMeterAsEndpointResources(yFlowId, sharedEndpoint, yFlow.getMaximumBandwidth());
            newResources.setSharedEndpointResources(sharedEndpointResources);
            stateMachine.saveActionToHistory("A new meter was allocated for the y-flow shared endpoint", format("A new meter %s / %s was allocated", sharedEndpointResources.getMeterId(), sharedEndpointResources.getEndpoint()));
        }
        if (newResources.getMainPathYPointResources() == null) {
            List<FlowPath> subFlowsReversePaths = new ArrayList<>();
            yFlow.getSubFlows().forEach(subFlow -> {
                Flow flow = subFlow.getFlow();
                FlowPath path = flow.getReversePath();
                if (path == null) {
                    throw new FlowProcessingException(ErrorType.INTERNAL_ERROR, format("Missing a reverse path for %s sub-flow", flow.getFlowId()));
                } else {
                    subFlowsReversePaths.add(path);
                }
            });
            EndpointResources yPointResources = allocateYPointResources(yFlowId, sharedEndpoint, yFlow.getMaximumBandwidth(), subFlowsReversePaths.toArray(new FlowPath[0]));
            newResources.setMainPathYPointResources(yPointResources);
            stateMachine.saveActionToHistory("A new meter was allocated for the y-flow y-point", format("A new meter %s / %s was allocated", yPointResources.getMeterId(), yPointResources.getEndpoint()));
        }
        if (yFlow.isAllocateProtectedPath() && newResources.getProtectedPathYPointResources() == null) {
            List<FlowPath> subFlowsReversePaths = new ArrayList<>();
            yFlow.getSubFlows().forEach(subFlow -> {
                Flow flow = subFlow.getFlow();
                FlowPath path = flow.getProtectedReversePath();
                if (path == null) {
                    if (flow.getStatus() == FlowStatus.UP) {
                        throw new FlowProcessingException(ErrorType.INTERNAL_ERROR, format("Missing a protected path for %s sub-flow", flow.getFlowId()));
                    } else {
                        log.warn("Sub-flow {} has no expected protected path and status {}", flow.getFlowId(), flow.getStatus());
                    }
                } else {
                    subFlowsReversePaths.add(path);
                }
            });
            if (subFlowsReversePaths.size() > 1) {
                EndpointResources yPointResources = allocateYPointResources(yFlowId, sharedEndpoint, yFlow.getMaximumBandwidth(), subFlowsReversePaths.toArray(new FlowPath[0]));
                newResources.setProtectedPathYPointResources(yPointResources);
                stateMachine.saveActionToHistory("A new meter was allocated for the y-flow protected path y-point", format("A new meter %s / %s was allocated", yPointResources.getMeterId(), yPointResources.getEndpoint()));
            } else {
                stateMachine.saveActionToHistory("Skip meter allocation for the y-flow protected path y-point", "Y-flow protected path y-point can't be found - sub-flow(s) lacks a protected path");
            }
        }
        transactionManager.doInTransaction(() -> {
            YFlow yFlowToUpdate = getYFlow(yFlowId);
            yFlowToUpdate.setYPoint(newResources.getMainPathYPointResources().getEndpoint());
            yFlowToUpdate.setMeterId(newResources.getMainPathYPointResources().getMeterId());
            if (newResources.getProtectedPathYPointResources() != null) {
                yFlowToUpdate.setProtectedPathYPoint(newResources.getProtectedPathYPointResources().getEndpoint());
                yFlowToUpdate.setProtectedPathMeterId(newResources.getProtectedPathYPointResources().getMeterId());
            } else {
                yFlowToUpdate.setProtectedPathYPoint(null);
                yFlowToUpdate.setProtectedPathMeterId(null);
            }
            yFlowToUpdate.setSharedEndpointMeterId(newResources.getSharedEndpointResources().getMeterId());
        });
        notifyStats(stateMachine, newResources);
    } catch (ResourceAllocationException ex) {
        String errorMessage = format("Failed to allocate y-flow resources. %s", ex.getMessage());
        stateMachine.saveErrorToHistory(errorMessage, ex);
        stateMachine.fireError(errorMessage);
    }
}

Example 49 with YFlow

use of org.openkilda.model.YFlow in project open-kilda by telstra.

the class AbstractFlowTest method createTestYFlowForSubFlow.

protected void createTestYFlowForSubFlow(Flow subFlow) {
    YFlow yFlow = YFlow.builder().yFlowId("test_y_flow").sharedEndpoint(new SharedEndpoint(subFlow.getSrcSwitchId(), subFlow.getSrcPort())).status(FlowStatus.UP).build();
    yFlow.setSubFlows(singleton(YSubFlow.builder().sharedEndpointVlan(subFlow.getSrcVlan()).sharedEndpointInnerVlan(subFlow.getSrcInnerVlan()).endpointSwitchId(subFlow.getDestSwitchId()).endpointPort(subFlow.getDestPort()).endpointVlan(subFlow.getDestVlan()).endpointInnerVlan(subFlow.getDestInnerVlan()).flow(subFlow).yFlow(yFlow).build()));
    YFlowRepository yFlowRepository = persistenceManager.getRepositoryFactory().createYFlowRepository();
    yFlowRepository.add(yFlow);
}

Example 50 with YFlow

use of org.openkilda.model.YFlow in project open-kilda by telstra.

the class YFlowUpdateService method handlePartialUpdateRequest.

/**
 * Handles request for y-flow patch updating.
 *
 * @param key command identifier.
 * @param request request data.
 */
public void handlePartialUpdateRequest(@NonNull String key, @NonNull CommandContext commandContext, @NonNull YFlowPartialUpdateRequest request) throws DuplicateKeyException {
    YFlowRequest target;
    if (request.getYFlowId() != null) {
        YFlow yFlow = yFlowRepository.findById(request.getYFlowId()).orElse(null);
        target = YFlowRequestMapper.INSTANCE.toYFlowRequest(yFlow);
    } else {
        throw new FlowProcessingException(ErrorType.REQUEST_INVALID, "Need to specify the y-flow id");
    }
    if (target == null) {
        throw new FlowProcessingException(ErrorType.NOT_FOUND, format("Y-flow was not found by the specified y-flow id: %s", request.getYFlowId()));
    }
    if (request.getSharedEndpoint() != null) {
        if (target.getSharedEndpoint() == null) {
            target.setSharedEndpoint(new FlowEndpoint(request.getSharedEndpoint().getSwitchId(), request.getSharedEndpoint().getPortNumber()));
        } else {
            SwitchId switchId = Optional.ofNullable(request.getSharedEndpoint().getSwitchId()).orElse(target.getSharedEndpoint().getSwitchId());
            int portNumber = Optional.ofNullable(request.getSharedEndpoint().getPortNumber()).orElse(target.getSharedEndpoint().getPortNumber());
            target.setSharedEndpoint(new FlowEndpoint(switchId, portNumber));
        }
    }
    Optional.ofNullable(request.getMaximumBandwidth()).ifPresent(target::setMaximumBandwidth);
    Optional.ofNullable(request.getPathComputationStrategy()).ifPresent(target::setPathComputationStrategy);
    Optional.ofNullable(request.getEncapsulationType()).ifPresent(target::setEncapsulationType);
    Optional.ofNullable(request.getMaxLatency()).ifPresent(target::setMaxLatency);
    Optional.ofNullable(request.getMaxLatencyTier2()).ifPresent(target::setMaxLatencyTier2);
    Optional.ofNullable(request.getIgnoreBandwidth()).ifPresent(target::setIgnoreBandwidth);
    Optional.ofNullable(request.getPeriodicPings()).ifPresent(target::setPeriodicPings);
    Optional.ofNullable(request.getPinned()).ifPresent(target::setPinned);
    Optional.ofNullable(request.getPriority()).ifPresent(target::setPriority);
    Optional.ofNullable(request.getStrictBandwidth()).ifPresent(target::setStrictBandwidth);
    Optional.ofNullable(request.getDescription()).ifPresent(target::setDescription);
    Optional.ofNullable(request.getAllocateProtectedPath()).ifPresent(target::setAllocateProtectedPath);
    Optional.ofNullable(request.getDiverseFlowId()).ifPresent(target::setDiverseFlowId);
    if (request.getSubFlows() != null && !request.getSubFlows().isEmpty()) {
        Map<String, SubFlowDto> stringSubFlowDtoMap;
        if (target.getSubFlows() != null) {
            stringSubFlowDtoMap = target.getSubFlows().stream().collect(Collectors.toMap(SubFlowDto::getFlowId, Function.identity()));
        } else {
            throw new FlowProcessingException(ErrorType.INTERNAL_ERROR, format("Sub-flows for y-flow %s not found", target.getYFlowId()));
        }
        List<SubFlowDto> subFlows = new ArrayList<>();
        for (SubFlowPartialUpdateDto subFlowPartialUpdate : request.getSubFlows()) {
            SubFlowDto subFlow = stringSubFlowDtoMap.get(subFlowPartialUpdate.getFlowId());
            if (subFlow != null) {
                if (subFlowPartialUpdate.getEndpoint() != null) {
                    if (subFlow.getEndpoint() == null) {
                        subFlow.setEndpoint(new FlowEndpoint(subFlowPartialUpdate.getEndpoint().getSwitchId(), subFlowPartialUpdate.getEndpoint().getPortNumber(), subFlowPartialUpdate.getEndpoint().getVlanId(), subFlowPartialUpdate.getEndpoint().getInnerVlanId()));
                    } else {
                        SwitchId switchId = Optional.ofNullable(subFlowPartialUpdate.getEndpoint().getSwitchId()).orElse(subFlow.getEndpoint().getSwitchId());
                        int portNumber = Optional.ofNullable(subFlowPartialUpdate.getEndpoint().getPortNumber()).orElse(subFlow.getEndpoint().getPortNumber());
                        int vlanId = Optional.ofNullable(subFlowPartialUpdate.getEndpoint().getVlanId()).orElse(subFlow.getEndpoint().getOuterVlanId());
                        int innerVlanId = Optional.ofNullable(subFlowPartialUpdate.getEndpoint().getInnerVlanId()).orElse(subFlow.getEndpoint().getInnerVlanId());
                        subFlow.setEndpoint(new FlowEndpoint(switchId, portNumber, vlanId, innerVlanId));
                    }
                }
                if (subFlowPartialUpdate.getSharedEndpoint() != null) {
                    if (subFlow.getSharedEndpoint() == null) {
                        subFlow.setSharedEndpoint(new SubFlowSharedEndpointEncapsulation(subFlowPartialUpdate.getSharedEndpoint().getVlanId(), subFlowPartialUpdate.getSharedEndpoint().getInnerVlanId()));
                    } else {
                        int vlanId = Optional.ofNullable(subFlowPartialUpdate.getSharedEndpoint().getVlanId()).orElse(subFlow.getSharedEndpoint().getVlanId());
                        int innerVlanId = Optional.ofNullable(subFlowPartialUpdate.getSharedEndpoint().getInnerVlanId()).orElse(subFlow.getSharedEndpoint().getInnerVlanId());
                        subFlow.setSharedEndpoint(new SubFlowSharedEndpointEncapsulation(vlanId, innerVlanId));
                    }
                }
                Optional.ofNullable(subFlowPartialUpdate.getDescription()).ifPresent(subFlow::setDescription);
                subFlows.add(subFlow);
            } else {
                throw new FlowProcessingException(ErrorType.REQUEST_INVALID, format("There is no sub-flows with sub-flow id: %s", subFlowPartialUpdate.getFlowId()));
            }
        }
        target.setSubFlows(subFlows);
    }
    target.setType(Type.UPDATE);
    handleRequest(key, commandContext, target);
}