Examples with PollingResult com.sequenceiq.cloudbreak.service.PollingResult used on opensource projects

Example 16 with PollingResult

use of com.sequenceiq.cloudbreak.service.PollingResult in project cloudbreak by hortonworks.

the class AmbariDecommissioner method decommissionAmbariNodes.

private Collection<String> decommissionAmbariNodes(Stack stack, Map<String, HostMetadata> hostsToRemove, Map<String, Map<String, String>> runningComponents, AmbariClient ambariClient) throws CloudbreakException {
    Collection<String> result = new HashSet<>();
    PollingResult pollingResult = startServicesIfNeeded(stack, ambariClient, runningComponents);
    if (isSuccess(pollingResult)) {
        List<String> hostList = new ArrayList<>(hostsToRemove.keySet());
        Map<String, Integer> decommissionRequests = decommissionComponents(ambariClient, hostList, runningComponents);
        if (!decommissionRequests.isEmpty()) {
            pollingResult = ambariOperationService.waitForOperations(stack, ambariClient, decommissionRequests, DECOMMISSION_AMBARI_PROGRESS_STATE).getLeft();
        }
        if (isSuccess(pollingResult)) {
            pollingResult = waitForDataNodeDecommission(stack, ambariClient, hostList, runningComponents);
            if (isSuccess(pollingResult)) {
                pollingResult = waitForRegionServerDecommission(stack, ambariClient, hostList, runningComponents);
                if (isSuccess(pollingResult)) {
                    pollingResult = stopHadoopComponents(stack, ambariClient, hostList, runningComponents);
                    if (isSuccess(pollingResult)) {
                        pollingResult = removeHostsFromOrchestrator(stack, ambariClient, hostList);
                        if (isSuccess(pollingResult) || isTimeout(pollingResult)) {
                            deleteHosts(hostList, runningComponents, ambariClient);
                            result.addAll(hostsToRemove.keySet());
                        }
                    }
                }
            }
        }
    }
    return result;
}

Example 17 with PollingResult

use of com.sequenceiq.cloudbreak.service.PollingResult in project cloudbreak by hortonworks.

the class AmbariClusterModificationService method startCluster.

@Override
public int startCluster(Stack stack) throws CloudbreakException {
    AmbariClient ambariClient = clientFactory.getAmbariClient(stack, stack.getCluster());
    PollingResult ambariHealthCheckResult = ambariPollingServiceProvider.ambariHealthChecker(stack, ambariClient);
    if (isExited(ambariHealthCheckResult)) {
        throw new CancellationException("Cluster was terminated while waiting for Ambari to start.");
    } else if (isTimeout(ambariHealthCheckResult)) {
        throw new CloudbreakException("Ambari server was not restarted properly.");
    }
    LOGGER.info("Starting Ambari agents on the hosts.");
    Set<HostMetadata> hostsInCluster = hostMetadataRepository.findHostsInCluster(stack.getCluster().getId());
    PollingResult hostsJoinedResult = ambariPollingServiceProvider.ambariHostJoin(stack, ambariClient, hostsInCluster);
    if (isExited(hostsJoinedResult)) {
        throw new CancellationException("Cluster was terminated while starting Ambari agents.");
    }
    LOGGER.info("Start all Hadoop services");
    eventService.fireCloudbreakEvent(stack.getId(), UPDATE_IN_PROGRESS.name(), cloudbreakMessagesService.getMessage(AMBARI_CLUSTER_SERVICES_STARTING.code()));
    int requestId = ambariClient.startAllServices();
    if (requestId == -1) {
        LOGGER.error("Failed to start Hadoop services.");
        throw new CloudbreakException("Failed to start Hadoop services.");
    }
    return requestId;
}

Example 18 with PollingResult

use of com.sequenceiq.cloudbreak.service.PollingResult in project cloudbreak by hortonworks.

the class AmbariClusterModificationService method stopCluster.

@Override
public void stopCluster(Stack stack) throws CloudbreakException {
    AmbariClient ambariClient = clientFactory.getAmbariClient(stack, stack.getCluster());
    try {
        boolean stopped = true;
        Collection<Map<String, String>> values = ambariClient.getHostComponentsStates().values();
        for (Map<String, String> value : values) {
            for (String state : value.values()) {
                if (!"INSTALLED".equals(state)) {
                    stopped = false;
                }
            }
        }
        if (!stopped) {
            LOGGER.info("Stop all Hadoop services");
            eventService.fireCloudbreakEvent(stack.getId(), UPDATE_IN_PROGRESS.name(), cloudbreakMessagesService.getMessage(AMBARI_CLUSTER_SERVICES_STOPPING.code()));
            int requestId = ambariClient.stopAllServices();
            if (requestId != -1) {
                LOGGER.info("Waiting for Hadoop services to stop on stack");
                PollingResult servicesStopResult = ambariOperationService.waitForOperations(stack, ambariClient, singletonMap("stop services", requestId), STOP_AMBARI_PROGRESS_STATE).getLeft();
                if (isExited(servicesStopResult)) {
                    throw new CancellationException("Cluster was terminated while waiting for Hadoop services to start");
                } else if (isTimeout(servicesStopResult)) {
                    throw new CloudbreakException("Timeout while stopping Ambari services.");
                }
            } else {
                LOGGER.warn("Failed to stop Hadoop services.");
                throw new CloudbreakException("Failed to stop Hadoop services.");
            }
            eventService.fireCloudbreakEvent(stack.getId(), UPDATE_IN_PROGRESS.name(), cloudbreakMessagesService.getMessage(AMBARI_CLUSTER_SERVICES_STOPPED.code()));
        }
    } catch (AmbariConnectionException ignored) {
        LOGGER.debug("Ambari not running on the gateway machine, no need to stop it.");
    }
}

Example 19 with PollingResult

use of com.sequenceiq.cloudbreak.service.PollingResult in project cloudbreak by hortonworks.

the class AmbariClusterSecurityService method disableSecurity.

@Override
public void disableSecurity(Stack stack) {
    try {
        AmbariClient ambariClient = clientFactory.getAmbariClient(stack, stack.getCluster());
        int opId = ambariClient.disableKerberos();
        if (opId == -1) {
            return;
        }
        Map<String, Integer> operationRequests = singletonMap("DISABLE_KERBEROS_REQUEST", opId);
        Pair<PollingResult, Exception> pair = ambariOperationService.waitForOperations(stack, ambariClient, operationRequests, DISABLE_KERBEROS_STATE);
        ambariClusterConnectorPollingResultChecker.checkPollingResult(pair.getLeft(), cloudbreakMessagesService.getMessage(AMBARI_CLUSTER_DISABLE_KERBEROS_FAILED.code()));
    } catch (CancellationException cancellationException) {
        throw cancellationException;
    } catch (Exception e) {
        throw new AmbariOperationFailedException(e.getMessage(), e);
    }
}