Examples with GetPathsResult org.openkilda.pce.GetPathsResult used on opensource projects

Example 1 with GetPathsResult

use of org.openkilda.pce.GetPathsResult in project open-kilda by telstra.

the class ResourcesAllocationAction method allocateProtectedPath.

private void allocateProtectedPath(FlowCreateFsm stateMachine) throws UnroutableFlowException, RecoverableException, ResourceAllocationException, FlowNotFoundException {
    String flowId = stateMachine.getFlowId();
    Flow tmpFlow = getFlow(flowId);
    if (!tmpFlow.isAllocateProtectedPath()) {
        return;
    }
    tmpFlow.setDiverseGroupId(getFlowDiverseGroupFromContext(flowId).orElseThrow(() -> new FlowNotFoundException(flowId)));
    GetPathsResult protectedPath = pathComputer.getPath(tmpFlow);
    stateMachine.setBackUpProtectedPathComputationWayUsed(protectedPath.isBackUpPathComputationWayUsed());
    boolean overlappingProtectedPathFound = flowPathBuilder.arePathsOverlapped(protectedPath.getForward(), tmpFlow.getForwardPath()) || flowPathBuilder.arePathsOverlapped(protectedPath.getReverse(), tmpFlow.getReversePath());
    if (overlappingProtectedPathFound) {
        log.info("Couldn't find non overlapping protected path. Result flow state: {}", tmpFlow);
        throw new UnroutableFlowException("Couldn't find non overlapping protected path", tmpFlow.getFlowId());
    }
    log.debug("Creating the protected path {} for flow {}", protectedPath, tmpFlow);
    transactionManager.doInTransaction(() -> {
        Flow flow = getFlow(flowId);
        FlowResources flowResources = resourcesManager.allocateFlowResources(flow);
        final FlowSegmentCookieBuilder cookieBuilder = FlowSegmentCookie.builder().flowEffectiveId(flowResources.getUnmaskedCookie());
        FlowPath forward = flowPathBuilder.buildFlowPath(flow, flowResources.getForward(), protectedPath.getForward(), cookieBuilder.direction(FlowPathDirection.FORWARD).build(), false, stateMachine.getSharedBandwidthGroupId());
        forward.setStatus(FlowPathStatus.IN_PROGRESS);
        flowPathRepository.add(forward);
        flow.setProtectedForwardPath(forward);
        FlowPath reverse = flowPathBuilder.buildFlowPath(flow, flowResources.getReverse(), protectedPath.getReverse(), cookieBuilder.direction(FlowPathDirection.REVERSE).build(), false, stateMachine.getSharedBandwidthGroupId());
        reverse.setStatus(FlowPathStatus.IN_PROGRESS);
        flowPathRepository.add(reverse);
        flow.setProtectedReversePath(reverse);
        updateIslsForFlowPath(forward.getPathId());
        updateIslsForFlowPath(reverse.getPathId());
        stateMachine.setProtectedForwardPathId(forward.getPathId());
        stateMachine.setProtectedReversePathId(reverse.getPathId());
        log.debug("Allocated resources for the flow {}: {}", flow.getFlowId(), flowResources);
        stateMachine.getFlowResources().add(flowResources);
    });
}

Example 2 with GetPathsResult

use of org.openkilda.pce.GetPathsResult 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 3 with GetPathsResult

use of org.openkilda.pce.GetPathsResult in project open-kilda by telstra.

the class FlowRerouteServiceTest method shouldFailRerouteOnUnsuccessfulInstallation.

@Test
public void shouldFailRerouteOnUnsuccessfulInstallation() throws RecoverableException, UnroutableFlowException, UnknownKeyException {
    Flow origin = makeFlow();
    GetPathsResult newPathPair = make3SwitchesPathPair();
    preparePathComputation(origin.getFlowId(), newPathPair);
    FlowRerouteService service = makeService();
    FlowRerouteRequest request = new FlowRerouteRequest(origin.getFlowId(), false, false, false, Collections.emptySet(), null, false);
    service.handleRequest(currentRequestKey, request, commandContext);
    verifyFlowStatus(origin.getFlowId(), FlowStatus.IN_PROGRESS);
    verifyNorthboundSuccessResponse(carrier);
    FlowSegmentRequest speakerRequest;
    while ((speakerRequest = requests.poll()) != null) {
        if (speakerRequest.isInstallRequest()) {
            service.handleAsyncResponse(currentRequestKey, FlowErrorResponse.errorBuilder().messageContext(speakerRequest.getMessageContext()).errorCode(ErrorCode.UNKNOWN).description(injectedErrorMessage).commandId(speakerRequest.getCommandId()).metadata(speakerRequest.getMetadata()).switchId(speakerRequest.getSwitchId()).build());
        } else {
            produceAsyncResponse(service, speakerRequest);
        }
    }
    Flow result = verifyFlowStatus(origin.getFlowId(), FlowStatus.UP);
    verifyNoPathReplace(origin, result);
    verify(carrier).sendRerouteResultStatus(eq(origin.getFlowId()), argThat(hasProperty("message", equalTo("Failed to install rules"))), any(String.class));
}

Example 4 with GetPathsResult

use of org.openkilda.pce.GetPathsResult in project open-kilda by telstra.

the class FlowRerouteServiceTest method shouldFailRerouteOnUnsuccessfulValidation.

@Test
public void shouldFailRerouteOnUnsuccessfulValidation() throws RecoverableException, UnroutableFlowException, UnknownKeyException {
    Flow origin = makeFlow();
    GetPathsResult newPathPair = make3SwitchesPathPair();
    preparePathComputation(origin.getFlowId(), newPathPair);
    FlowRerouteService service = makeService();
    FlowRerouteRequest request = new FlowRerouteRequest(origin.getFlowId(), false, false, false, Collections.emptySet(), null, false);
    service.handleRequest(currentRequestKey, request, commandContext);
    verifyFlowStatus(origin.getFlowId(), FlowStatus.IN_PROGRESS);
    verifyNorthboundSuccessResponse(carrier);
    FlowSegmentRequest speakerRequest;
    while ((speakerRequest = requests.poll()) != null) {
        if (speakerRequest.isVerifyRequest()) {
            service.handleAsyncResponse(currentRequestKey, FlowErrorResponse.errorBuilder().errorCode(ErrorCode.UNKNOWN).description(injectedErrorMessage).messageContext(speakerRequest.getMessageContext()).commandId(speakerRequest.getCommandId()).metadata(speakerRequest.getMetadata()).switchId(speakerRequest.getSwitchId()).build());
        } else {
            produceAsyncResponse(service, speakerRequest);
        }
    }
    Flow result = verifyFlowStatus(origin.getFlowId(), FlowStatus.UP);
    verifyNoPathReplace(origin, result);
    verify(carrier).sendRerouteResultStatus(eq(origin.getFlowId()), argThat(hasProperty("message", equalTo("Failed to validate rules"))), any(String.class));
}

Example 5 with GetPathsResult

use of org.openkilda.pce.GetPathsResult in project open-kilda by telstra.

the class FlowRerouteServiceTest method shouldFailRerouteOnTimeoutDuringInstallation.

@Test
public void shouldFailRerouteOnTimeoutDuringInstallation() throws RecoverableException, UnroutableFlowException, UnknownKeyException {
    Flow origin = makeFlow();
    GetPathsResult newPathPair = make3SwitchesPathPair();
    preparePathComputation(origin.getFlowId(), newPathPair);
    FlowRerouteService service = makeService();
    FlowRerouteRequest request = new FlowRerouteRequest(origin.getFlowId(), false, false, false, Collections.emptySet(), null, false);
    service.handleRequest(currentRequestKey, request, commandContext);
    verifyFlowStatus(origin.getFlowId(), FlowStatus.IN_PROGRESS);
    verifyNorthboundSuccessResponse(carrier);
    service.handleTimeout(currentRequestKey);
    FlowSegmentRequest speakerRequest;
    while ((speakerRequest = requests.poll()) != null) {
        produceAsyncResponse(service, speakerRequest);
    }
    Flow result = verifyFlowStatus(origin.getFlowId(), FlowStatus.UP);
    verifyNoPathReplace(origin, result);
    verify(carrier).sendRerouteResultStatus(eq(origin.getFlowId()), argThat(hasProperty("message", equalTo("Failed to install rules"))), any(String.class));
}