Examples with ClusterDownscaleTriggerEvent com.sequenceiq.cloudbreak.core.flow2.event.ClusterDownscaleTriggerEvent used on opensource projects

Example 1 with ClusterDownscaleTriggerEvent

use of com.sequenceiq.cloudbreak.core.flow2.event.ClusterDownscaleTriggerEvent in project cloudbreak by hortonworks.

the class ClusterDownscaleActions method collectCandidatesAction.

@Bean(name = "COLLECT_CANDIDATES_STATE")
public Action<?, ?> collectCandidatesAction() {
    return new AbstractClusterAction<ClusterDownscaleTriggerEvent>(ClusterDownscaleTriggerEvent.class) {

        @Override
        protected void doExecute(ClusterViewContext context, ClusterDownscaleTriggerEvent payload, Map<Object, Object> variables) {
            clusterDownscaleService.clusterDownscaleStarted(context.getStackId(), payload.getHostGroupName(), payload.getAdjustment(), payload.getHostNames());
            Selectable request = new CollectDownscaleCandidatesRequest(context.getStackId(), payload.getHostGroupName(), payload.getAdjustment(), payload.getHostNames());
            sendEvent(context.getFlowId(), request.selector(), request);
        }
    };
}

Example 2 with ClusterDownscaleTriggerEvent

use of com.sequenceiq.cloudbreak.core.flow2.event.ClusterDownscaleTriggerEvent in project cloudbreak by hortonworks.

the class DownscaleFlowEventChainFactory method createFlowTriggerEventQueue.

@Override
public Queue<Selectable> createFlowTriggerEventQueue(ClusterAndStackDownscaleTriggerEvent event) {
    Queue<Selectable> flowEventChain = new ConcurrentLinkedQueue<>();
    ClusterScaleTriggerEvent cste;
    cste = event.getHostNames() == null ? new ClusterDownscaleTriggerEvent(DECOMMISSION_EVENT.event(), event.getStackId(), event.getHostGroupName(), event.getAdjustment(), event.accepted()) : new ClusterDownscaleTriggerEvent(DECOMMISSION_EVENT.event(), event.getStackId(), event.getHostGroupName(), event.getHostNames(), event.accepted());
    flowEventChain.add(cste);
    if (event.getScalingType() == ScalingType.DOWNSCALE_TOGETHER) {
        StackView stackView = stackService.getByIdView(event.getStackId());
        HostGroup hostGroup = hostGroupService.getByClusterIdAndName(stackView.getClusterView().getId(), event.getHostGroupName());
        Constraint hostGroupConstraint = hostGroup.getConstraint();
        String instanceGroupName = Optional.ofNullable(hostGroupConstraint.getInstanceGroup()).map(InstanceGroup::getGroupName).orElse(null);
        StackScaleTriggerEvent sste;
        sste = event.getHostNames() == null ? new StackDownscaleTriggerEvent(STACK_DOWNSCALE_EVENT.event(), event.getStackId(), instanceGroupName, event.getAdjustment()) : new StackDownscaleTriggerEvent(STACK_DOWNSCALE_EVENT.event(), event.getStackId(), instanceGroupName, event.getHostNames());
        flowEventChain.add(sste);
    }
    return flowEventChain;
}