Examples with EphemeralClustersUpgradeTriggerEvent com.sequenceiq.cloudbreak.reactor.api.event.orchestration.EphemeralClustersUpgradeTriggerEvent used on opensource projects

Example 1 with EphemeralClustersUpgradeTriggerEvent

use of com.sequenceiq.cloudbreak.reactor.api.event.orchestration.EphemeralClustersUpgradeTriggerEvent in project cloudbreak by hortonworks.

the class ClusterRepairFlowEventChainFactory method createFlowTriggerEventQueue.

@Override
public Queue<Selectable> createFlowTriggerEventQueue(ClusterRepairTriggerEvent event) {
    StackView stackView = stackService.getByIdView(event.getStackId());
    Queue<Selectable> flowChainTriggers = new ConcurrentLinkedDeque<>();
    Map<String, List<String>> failedNodesMap = event.getFailedNodesMap();
    for (Entry<String, List<String>> failedNodes : failedNodesMap.entrySet()) {
        String hostGroupName = failedNodes.getKey();
        List<String> hostNames = failedNodes.getValue();
        HostGroup hostGroup = hostGroupService.getByClusterIdAndName(stackView.getClusterView().getId(), hostGroupName);
        InstanceGroup instanceGroup = hostGroup.getConstraint().getInstanceGroup();
        if (InstanceGroupType.GATEWAY.equals(instanceGroup.getInstanceGroupType())) {
            List<InstanceMetaData> primary = instanceMetadataRepository.findAllByInstanceGroup(instanceGroup).stream().filter(imd -> hostNames.contains(imd.getDiscoveryFQDN()) && imd.getInstanceMetadataType() == InstanceMetadataType.GATEWAY_PRIMARY).collect(Collectors.toList());
            if (!primary.isEmpty()) {
                flowChainTriggers.add(new ChangePrimaryGatewayTriggerEvent(ChangePrimaryGatewayEvent.CHANGE_PRIMARY_GATEWAY_TRIGGER_EVENT.event(), event.getStackId(), event.accepted()));
            }
        }
        flowChainTriggers.add(new ClusterAndStackDownscaleTriggerEvent(FlowChainTriggers.FULL_DOWNSCALE_TRIGGER_EVENT, event.getStackId(), hostGroupName, new HashSet<>(hostNames), ScalingType.DOWNSCALE_TOGETHER, event.accepted()));
        if (!event.isRemoveOnly()) {
            flowChainTriggers.add(new StackAndClusterUpscaleTriggerEvent(FlowChainTriggers.FULL_UPSCALE_TRIGGER_EVENT, event.getStackId(), hostGroupName, hostNames.size(), ScalingType.UPSCALE_TOGETHER, Sets.newHashSet(hostNames)));
            // we need to update all ephemeral clusters that are connected to a datalake
            if (InstanceGroupType.GATEWAY.equals(instanceGroup.getInstanceGroupType()) && !stackService.findClustersConnectedToDatalake(event.getStackId()).isEmpty()) {
                flowChainTriggers.add(new EphemeralClustersUpgradeTriggerEvent(FlowChainTriggers.EPHEMERAL_CLUSTERS_UPDATE_TRIGGER_EVENT, event.getStackId(), event.accepted()));
            }
        }
    }
    return flowChainTriggers;
}