Examples with ResourceAllocationException org.openkilda.wfm.share.flow.resources.ResourceAllocationException used on opensource projects

Example 6 with ResourceAllocationException

use of org.openkilda.wfm.share.flow.resources.ResourceAllocationException in project open-kilda by telstra.

the class YFlowCreateServiceTest method shouldFailIfNoResourcesAvailable.

@Test
public void shouldFailIfNoResourcesAvailable() throws RecoverableException, UnroutableFlowException, ResourceAllocationException, DuplicateKeyException {
    // given
    YFlowRequest request = buildYFlowRequest("test_failed_yflow", "test_flow_1", "test_flow_2").build();
    preparePathComputation("test_flow_1", buildFirstSubFlowPathPair());
    preparePathComputation("test_flow_2", buildSecondSubFlowPathPair());
    prepareYPointComputation(SWITCH_SHARED, SWITCH_FIRST_EP, SWITCH_SECOND_EP, SWITCH_TRANSIT);
    doThrow(new ResourceAllocationException(injectedErrorMessage)).when(flowResourcesManager).allocateMeter(eq(request.getYFlowId()), eq(SWITCH_TRANSIT));
    // when
    processRequestAndSpeakerCommands(request);
    // then
    verifyNoSpeakerInteraction(yFlowCreateHubCarrier);
    verify(flowResourcesManager, times(METER_ALLOCATION_RETRIES_LIMIT + 1)).allocateMeter(eq(request.getYFlowId()), eq(SWITCH_TRANSIT));
    verifyYFlowIsAbsent(request.getYFlowId());
}

Example 7 with ResourceAllocationException

use of org.openkilda.wfm.share.flow.resources.ResourceAllocationException in project open-kilda by telstra.

the class BaseResourceAllocationAction method allocateFlowResources.

@SneakyThrows
protected FlowResources allocateFlowResources(Flow flow, PathId forwardPathId, PathId reversePathId) throws ResourceAllocationException {
    RetryPolicy<FlowResources> resourceAllocationRetryPolicy = transactionManager.<FlowResources>getDefaultRetryPolicy().handle(ResourceAllocationException.class).handle(ConstraintViolationException.class).onRetry(e -> log.warn("Failure in resource allocation. Retrying #{}...", e.getAttemptCount(), e.getLastFailure())).onRetriesExceeded(e -> log.warn("Failure in resource allocation. No more retries", e.getFailure())).withMaxRetries(resourceAllocationRetriesLimit);
    FlowResources flowResources = transactionManager.doInTransaction(resourceAllocationRetryPolicy, () -> resourcesManager.allocateFlowResources(flow, forwardPathId, reversePathId));
    log.debug("Resources have been allocated: {}", flowResources);
    return flowResources;
}

Example 8 with ResourceAllocationException

use of org.openkilda.wfm.share.flow.resources.ResourceAllocationException in project open-kilda by telstra.

the class BaseResourceAllocationAction method allocatePathPair.

@SneakyThrows
protected GetPathsResult allocatePathPair(Flow flow, PathId newForwardPathId, PathId newReversePathId, boolean forceToIgnoreBandwidth, List<PathId> pathsToReuseBandwidth, FlowPathPair oldPaths, boolean allowOldPaths, String sharedBandwidthGroupId, Predicate<GetPathsResult> whetherCreatePathSegments) throws RecoverableException, UnroutableFlowException, ResourceAllocationException {
    // Lazy initialisable map with reused bandwidth...
    Supplier<Map<IslEndpoints, Long>> reuseBandwidthPerIsl = Suppliers.memoize(() -> {
        Map<IslEndpoints, Long> result = new HashMap<>();
        if (pathsToReuseBandwidth != null && !pathsToReuseBandwidth.isEmpty()) {
            pathsToReuseBandwidth.stream().map(pathId -> flow.getPath(pathId).orElse(flowPathRepository.findById(pathId).orElse(null))).filter(Objects::nonNull).flatMap(path -> path.getSegments().stream()).forEach(segment -> {
                IslEndpoints isl = new IslEndpoints(segment.getSrcSwitchId().toString(), segment.getSrcPort(), segment.getDestSwitchId().toString(), segment.getDestPort());
                result.put(isl, result.getOrDefault(isl, 0L) + segment.getBandwidth());
            });
        }
        return result;
    });
    RetryPolicy<GetPathsResult> pathAllocationRetryPolicy = new RetryPolicy<GetPathsResult>().handle(RecoverableException.class).handle(ResourceAllocationException.class).handle(UnroutableFlowException.class).handle(PersistenceException.class).onRetry(e -> log.warn("Failure in path allocation. Retrying #{}...", e.getAttemptCount(), e.getLastFailure())).onRetriesExceeded(e -> log.warn("Failure in path allocation. No more retries", e.getFailure())).withMaxRetries(pathAllocationRetriesLimit);
    if (pathAllocationRetryDelay > 0) {
        pathAllocationRetryPolicy.withDelay(Duration.ofMillis(pathAllocationRetryDelay));
    }
    try {
        return Failsafe.with(pathAllocationRetryPolicy).get(() -> {
            GetPathsResult potentialPath;
            if (forceToIgnoreBandwidth) {
                boolean originalIgnoreBandwidth = flow.isIgnoreBandwidth();
                flow.setIgnoreBandwidth(true);
                potentialPath = pathComputer.getPath(flow);
                flow.setIgnoreBandwidth(originalIgnoreBandwidth);
            } else {
                potentialPath = pathComputer.getPath(flow, pathsToReuseBandwidth);
            }
            boolean newPathFound = isNotSamePath(potentialPath, oldPaths);
            if (allowOldPaths || newPathFound) {
                if (!newPathFound) {
                    log.debug("Found the same path for flow {}. Proceed with recreating it", flow.getFlowId());
                }
                if (whetherCreatePathSegments.test(potentialPath)) {
                    boolean ignoreBandwidth = forceToIgnoreBandwidth || flow.isIgnoreBandwidth();
                    List<PathSegment> forwardSegments = flowPathBuilder.buildPathSegments(newForwardPathId, potentialPath.getForward(), flow.getBandwidth(), ignoreBandwidth, sharedBandwidthGroupId);
                    List<PathSegment> reverseSegments = flowPathBuilder.buildPathSegments(newReversePathId, potentialPath.getReverse(), flow.getBandwidth(), ignoreBandwidth, sharedBandwidthGroupId);
                    transactionManager.doInTransaction(() -> {
                        createPathSegments(forwardSegments, reuseBandwidthPerIsl);
                        createPathSegments(reverseSegments, reuseBandwidthPerIsl);
                    });
                }
                return potentialPath;
            }
            return null;
        });
    } catch (FailsafeException ex) {
        throw ex.getCause();
    }
}

Example 9 with ResourceAllocationException

use of org.openkilda.wfm.share.flow.resources.ResourceAllocationException 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 10 with ResourceAllocationException

use of org.openkilda.wfm.share.flow.resources.ResourceAllocationException in project open-kilda by telstra.

the class AllocatePrimaryResourcesAction method allocate.

@Override
protected void allocate(FlowUpdateFsm stateMachine) throws RecoverableException, UnroutableFlowException, ResourceAllocationException {
    String flowId = stateMachine.getFlowId();
    Set<String> flowIds = Sets.newHashSet(flowId);
    if (stateMachine.getBulkUpdateFlowIds() != null) {
        flowIds.addAll(stateMachine.getBulkUpdateFlowIds());
    }
    log.debug("Finding paths for flows {}", flowIds);
    List<PathId> pathIdsToReuse = new ArrayList<>(flowPathRepository.findActualPathIdsByFlowIds(flowIds));
    pathIdsToReuse.addAll(stateMachine.getRejectedPaths());
    Flow tmpFlow = getFlow(flowId);
    FlowPathPair oldPaths = new FlowPathPair(tmpFlow.getForwardPath(), tmpFlow.getReversePath());
    PathId newForwardPathId = resourcesManager.generatePathId(flowId);
    PathId newReversePathId = resourcesManager.generatePathId(flowId);
    log.debug("Finding a new primary path for flow {}", flowId);
    GetPathsResult allocatedPaths = allocatePathPair(tmpFlow, newForwardPathId, newReversePathId, false, pathIdsToReuse, oldPaths, true, stateMachine.getSharedBandwidthGroupId(), path -> true);
    if (allocatedPaths == null) {
        throw new ResourceAllocationException("Unable to allocate a path");
    }
    log.debug("New primary paths have been allocated: {}", allocatedPaths);
    stateMachine.setBackUpPrimaryPathComputationWayUsed(allocatedPaths.isBackUpPathComputationWayUsed());
    stateMachine.setNewPrimaryForwardPath(newForwardPathId);
    stateMachine.setNewPrimaryReversePath(newReversePathId);
    log.debug("Allocating resources for a new primary path of flow {}", flowId);
    FlowResources flowResources = allocateFlowResources(tmpFlow, newForwardPathId, newReversePathId);
    stateMachine.setNewPrimaryResources(flowResources);
    FlowPathPair createdPaths = createFlowPathPair(flowId, flowResources, allocatedPaths, false, stateMachine.getSharedBandwidthGroupId());
    log.debug("New primary path has been created: {}", createdPaths);
    setMirrorPointsToNewPath(oldPaths.getForwardPathId(), newForwardPathId);
    setMirrorPointsToNewPath(oldPaths.getReversePathId(), newReversePathId);
    saveAllocationActionWithDumpsToHistory(stateMachine, tmpFlow, "primary", createdPaths);
}