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

Example 6 with FlowResources

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

the class HandleNotRevertedResourceAllocationAction method perform.

@Override
public void perform(State from, State to, Event event, FlowUpdateContext context, FlowUpdateFsm stateMachine) {
    FlowResources newPrimaryResources = stateMachine.getNewPrimaryResources();
    if (newPrimaryResources != null) {
        stateMachine.saveErrorToHistory("Failed to revert resource allocation", format("Failed to revert resource allocation: %s", newPrimaryResources));
    }
    FlowResources newProtectedResources = stateMachine.getNewProtectedResources();
    if (newProtectedResources != null) {
        stateMachine.saveErrorToHistory("Failed to revert resource allocation", format("Failed to revert resource allocation: %s", newProtectedResources));
    }
}

Example 7 with FlowResources

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

the class AllocateProtectedResourcesAction 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 protected path ids for flows {}", flowIds);
    List<PathId> pathIdsToReuse = new ArrayList<>(flowPathRepository.findActualPathIdsByFlowIds(flowIds));
    pathIdsToReuse.addAll(stateMachine.getRejectedPaths());
    Flow tmpFlow = getFlow(flowId);
    FlowPathPair oldPaths = new FlowPathPair(tmpFlow.getProtectedForwardPath(), tmpFlow.getProtectedReversePath());
    FlowPath primaryForward = getFlowPath(tmpFlow, stateMachine.getNewPrimaryForwardPath());
    FlowPath primaryReverse = getFlowPath(tmpFlow, stateMachine.getNewPrimaryReversePath());
    Predicate<GetPathsResult> testNonOverlappingPath = path -> (primaryForward == null || !flowPathBuilder.arePathsOverlapped(path.getForward(), primaryForward)) && (primaryReverse == null || !flowPathBuilder.arePathsOverlapped(path.getReverse(), primaryReverse));
    PathId newForwardPathId = resourcesManager.generatePathId(flowId);
    PathId newReversePathId = resourcesManager.generatePathId(flowId);
    log.debug("Finding a new protected path for flow {}", flowId);
    GetPathsResult allocatedPaths = allocatePathPair(tmpFlow, newForwardPathId, newReversePathId, false, pathIdsToReuse, oldPaths, true, stateMachine.getSharedBandwidthGroupId(), testNonOverlappingPath);
    if (allocatedPaths == null) {
        throw new ResourceAllocationException("Unable to allocate a path");
    }
    if (!testNonOverlappingPath.test(allocatedPaths)) {
        stateMachine.saveActionToHistory("Couldn't find non overlapping protected path");
    } else {
        log.debug("New protected paths have been allocated: {}", allocatedPaths);
        stateMachine.setNewProtectedForwardPath(newForwardPathId);
        stateMachine.setNewProtectedReversePath(newReversePathId);
        stateMachine.setBackUpProtectedPathComputationWayUsed(allocatedPaths.isBackUpPathComputationWayUsed());
        log.debug("Allocating resources for a new protected path of flow {}", flowId);
        FlowResources flowResources = allocateFlowResources(tmpFlow, newForwardPathId, newReversePathId);
        stateMachine.setNewProtectedResources(flowResources);
        FlowPathPair createdPaths = createFlowPathPair(flowId, flowResources, allocatedPaths, false, stateMachine.getSharedBandwidthGroupId());
        log.debug("New protected path has been created: {}", createdPaths);
        saveAllocationActionWithDumpsToHistory(stateMachine, tmpFlow, "protected", createdPaths);
    }
}

Example 8 with FlowResources

use of org.openkilda.wfm.share.flow.resources.FlowResources 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 9 with FlowResources

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

the class ResourcesAllocationAction method allocateMainPath.

private void allocateMainPath(FlowCreateFsm stateMachine) throws UnroutableFlowException, RecoverableException, ResourceAllocationException {
    GetPathsResult paths = pathComputer.getPath(getFlow(stateMachine.getFlowId()));
    stateMachine.setBackUpPrimaryPathComputationWayUsed(paths.isBackUpPathComputationWayUsed());
    log.debug("Creating the primary path {} for flow {}", paths, stateMachine.getFlowId());
    transactionManager.doInTransaction(() -> {
        Flow flow = getFlow(stateMachine.getFlowId());
        FlowResources flowResources = resourcesManager.allocateFlowResources(flow);
        final FlowSegmentCookieBuilder cookieBuilder = FlowSegmentCookie.builder().flowEffectiveId(flowResources.getUnmaskedCookie());
        updateSwitchRelatedFlowProperties(flow);
        FlowPath forward = flowPathBuilder.buildFlowPath(flow, flowResources.getForward(), paths.getForward(), cookieBuilder.direction(FlowPathDirection.FORWARD).build(), false, stateMachine.getSharedBandwidthGroupId());
        forward.setStatus(FlowPathStatus.IN_PROGRESS);
        flowPathRepository.add(forward);
        flow.setForwardPath(forward);
        FlowPath reverse = flowPathBuilder.buildFlowPath(flow, flowResources.getReverse(), paths.getReverse(), cookieBuilder.direction(FlowPathDirection.REVERSE).build(), false, stateMachine.getSharedBandwidthGroupId());
        reverse.setStatus(FlowPathStatus.IN_PROGRESS);
        flowPathRepository.add(reverse);
        flow.setReversePath(reverse);
        updateIslsForFlowPath(forward.getPathId());
        updateIslsForFlowPath(reverse.getPathId());
        stateMachine.setForwardPathId(forward.getPathId());
        stateMachine.setReversePathId(reverse.getPathId());
        log.debug("Allocated resources for the flow {}: {}", flow.getFlowId(), flowResources);
        stateMachine.getFlowResources().add(flowResources);
    });
}

Example 10 with FlowResources

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

the class SwapFlowPathsAction method swapProtectedPaths.

private void swapProtectedPaths(FlowRerouteFsm stateMachine) {
    PathId newForward = stateMachine.getNewProtectedForwardPath();
    PathId newReverse = stateMachine.getNewProtectedReversePath();
    if (newForward != null && newReverse != null) {
        transactionManager.doInTransaction(() -> {
            Flow flow = getFlow(stateMachine.getFlowId());
            FlowPath oldForward = flow.getProtectedForwardPath();
            if (oldForward != null) {
                stateMachine.setOldProtectedForwardPath(oldForward.getPathId());
                stateMachine.setOldProtectedForwardPathStatus(oldForward.getStatus());
                oldForward.setStatus(FlowPathStatus.IN_PROGRESS);
            }
            FlowPath oldReverse = flow.getProtectedReversePath();
            if (oldReverse != null) {
                stateMachine.setOldProtectedReversePath(oldReverse.getPathId());
                stateMachine.setOldProtectedReversePathStatus(oldReverse.getStatus());
                oldReverse.setStatus(FlowPathStatus.IN_PROGRESS);
            }
            if (oldForward != null || oldReverse != null) {
                FlowResources oldResources = getResources(flow, oldForward != null ? oldForward : oldReverse, oldReverse != null ? oldReverse : oldForward);
                stateMachine.getOldResources().add(oldResources);
            }
            flow.setProtectedForwardPathId(newForward);
            flow.setProtectedReversePathId(newReverse);
            log.debug("Swapping the protected paths {}/{} with {}/{}", oldForward != null ? oldForward.getPathId() : null, oldReverse != null ? oldReverse.getPathId() : null, newForward, newReverse);
        });
        saveHistory(stateMachine, stateMachine.getFlowId(), newForward, newReverse);
    }
}