Examples with DownscaleStackRequest com.sequenceiq.cloudbreak.cloud.event.resource.DownscaleStackRequest used on opensource projects

Example 1 with DownscaleStackRequest

use of com.sequenceiq.cloudbreak.cloud.event.resource.DownscaleStackRequest in project cloudbreak by hortonworks.

the class StackDownscaleActions method stackDownscaleAction.

@Bean(name = "DOWNSCALE_STATE")
public Action<?, ?> stackDownscaleAction() {
    return new AbstractStackDownscaleAction<DownscaleStackCollectResourcesResult>(DownscaleStackCollectResourcesResult.class) {

        @Override
        protected void doExecute(StackScalingFlowContext context, DownscaleStackCollectResourcesResult payload, Map<Object, Object> variables) {
            Selectable request = new DownscaleStackRequest(context.getCloudContext(), context.getCloudCredential(), context.getCloudStack(), (List<CloudResource>) variables.get(RESOURCES), (List<CloudInstance>) variables.get(INSTANCES), payload.getResourcesToScale());
            sendEvent(context.getFlowId(), request);
        }
    };
}

Example 2 with DownscaleStackRequest

use of com.sequenceiq.cloudbreak.cloud.event.resource.DownscaleStackRequest in project cloudbreak by hortonworks.

the class ServiceProviderConnectorAdapter method removeInstances.

public Set<String> removeInstances(Stack stack, Set<String> instanceIds, String instanceGroup) {
    LOGGER.debug("Assembling downscale stack event for stack: {}", stack);
    Location location = location(region(stack.getRegion()), availabilityZone(stack.getAvailabilityZone()));
    CloudContext cloudContext = new CloudContext(stack.getId(), stack.getName(), stack.cloudPlatform(), stack.getOwner(), stack.getPlatformVariant(), location);
    CloudCredential cloudCredential = credentialConverter.convert(stack.getCredential());
    List<CloudResource> resources = cloudResourceConverter.convert(stack.getResources());
    List<CloudInstance> instances = new ArrayList<>();
    InstanceGroup group = stack.getInstanceGroupByInstanceGroupName(instanceGroup);
    for (InstanceMetaData metaData : group.getAllInstanceMetaData()) {
        if (instanceIds.contains(metaData.getInstanceId())) {
            CloudInstance cloudInstance = metadataConverter.convert(metaData);
            instances.add(cloudInstance);
        }
    }
    CloudStack cloudStack = cloudStackConverter.convertForDownscale(stack, instanceIds);
    DownscaleStackRequest downscaleRequest = new DownscaleStackRequest(cloudContext, cloudCredential, cloudStack, resources, instances);
    LOGGER.info("Triggering downscale stack event: {}", downscaleRequest);
    eventBus.notify(downscaleRequest.selector(), eventFactory.createEvent(downscaleRequest));
    try {
        DownscaleStackResult res = downscaleRequest.await();
        LOGGER.info("Downscale stack result: {}", res);
        if (res.getStatus().equals(EventStatus.FAILED)) {
            LOGGER.error("Failed to downscale the stack", res.getErrorDetails());
            throw new OperationException(res.getErrorDetails());
        }
        return instanceIds;
    } catch (InterruptedException e) {
        LOGGER.error("Error while downscaling the stack", e);
        throw new OperationException(e);
    }
}

Example 3 with DownscaleStackRequest

use of com.sequenceiq.cloudbreak.cloud.event.resource.DownscaleStackRequest in project cloudbreak by hortonworks.

the class DownscaleStackHandler method accept.

@Override
public void accept(Event<DownscaleStackRequest> downscaleStackRequestEvent) {
    LOGGER.info("Received event: {}", downscaleStackRequestEvent);
    DownscaleStackRequest request = downscaleStackRequestEvent.getData();
    DownscaleStackResult result;
    try {
        CloudContext cloudContext = request.getCloudContext();
        CloudConnector connector = cloudPlatformConnectors.get(cloudContext.getPlatformVariant());
        AuthenticatedContext ac = connector.authentication().authenticate(cloudContext, request.getCloudCredential());
        List<CloudResourceStatus> resourceStatus = connector.resources().downscale(ac, request.getCloudStack(), request.getCloudResources(), request.getInstances(), request.getResourcesToScale());
        List<CloudResource> resources = ResourceLists.transform(resourceStatus);
        PollTask<ResourcesStatePollerResult> task = statusCheckFactory.newPollResourcesStateTask(ac, resources, true);
        ResourcesStatePollerResult statePollerResult = ResourcesStatePollerResults.build(cloudContext, resourceStatus);
        if (!task.completed(statePollerResult)) {
            statePollerResult = syncPollingScheduler.schedule(task);
        }
        LOGGER.info("Downscale successfully finished for {}", cloudContext);
        result = new DownscaleStackResult(request, ResourceLists.transform(statePollerResult.getResults()));
    } catch (Exception e) {
        LOGGER.error("Failed to handle DownscaleStackRequest.", e);
        result = new DownscaleStackResult(e.getMessage(), e, request);
    }
    request.getResult().onNext(result);
    eventBus.notify(result.selector(), new Event<>(downscaleStackRequestEvent.getHeaders(), result));
}