Examples with LeaderSelectorListenerImpl com.emc.storageos.coordinator.client.service.impl.LeaderSelectorListenerImpl used on opensource projects

Example 1 with LeaderSelectorListenerImpl

use of com.emc.storageos.coordinator.client.service.impl.LeaderSelectorListenerImpl in project coprhd-controller by CoprHD.

the class ControllerServiceImpl method loadCustomConfigDefaults.

private void loadCustomConfigDefaults() {
    LeaderSelectorListenerImpl executor = new LeaderSelectorListenerImpl() {

        @Override
        protected void startLeadership() throws Exception {
            customConfigHandler.loadSystemCustomConfigs();
        }

        @Override
        protected void stopLeadership() {
        }
    };
    LeaderSelector service = _coordinator.getLeaderSelector(CUSTOM_CONFIG_PATH, executor);
    service.autoRequeue();
    service.start();
}

Example 2 with LeaderSelectorListenerImpl

use of com.emc.storageos.coordinator.client.service.impl.LeaderSelectorListenerImpl in project coprhd-controller by CoprHD.

the class DataCollectionJobScheduler method start.

public void start() throws Exception {
    _dataCollectionExecutorService = Executors.newScheduledThreadPool(1);
    for (JobIntervals intervals : JobIntervals.values()) {
        // Override intervals and refresh intervals with system properties, if set.
        // Requires these system props start with "controller_" and uses underscores instead of hyphens.
        String prop = _coordinator.getPropertyInfo().getProperty(PROP_HEADER_CONTROLLER + intervals._interval.replace('-', '_'));
        if (prop != null) {
            _configInfo.put(intervals._interval, prop);
        }
        prop = _coordinator.getPropertyInfo().getProperty(PROP_HEADER_CONTROLLER + intervals._refreshInterval.replace('-', '_'));
        if (prop != null) {
            _configInfo.put(intervals._refreshInterval, prop);
        }
        intervals.initialize(_configInfo);
    }
    boolean enableAutoScan = Boolean.parseBoolean(_configInfo.get(ENABLE_AUTOSCAN));
    boolean enableAutoDiscovery = Boolean.parseBoolean(_configInfo.get(ENABLE_AUTODISCOVER));
    boolean enableArrayAffinityDiscovery = Boolean.parseBoolean(_configInfo.get(ENABLE_ARRAYAFFINITY_DISCOVER));
    boolean enableAutoMetering = Boolean.parseBoolean(_configInfo.get(ENABLE_METERING));
    // standalone, or 1+0.  CoprHD are single-node deployments typically, so ignore this variable in CoprHD.
    if (!PlatformUtils.isOssBuild() && (enableAutoScan || enableAutoDiscovery || enableAutoMetering)) {
        String numOfNodesString = _coordinator.getPropertyInfo().getProperty(PropertyConstants.NODE_COUNT_KEY);
        if (numOfNodesString != null && numOfNodesString.equals("1")) {
            boolean enableAutoOpsSingleNodeString = false;
            String enableAutoOpsSingleNode = _configInfo.get(ENABLE_AUTO_OPS_SINGLENODE);
            if (enableAutoOpsSingleNode != null) {
                enableAutoOpsSingleNodeString = Boolean.parseBoolean(enableAutoOpsSingleNode);
            }
            if (!enableAutoOpsSingleNodeString) {
                enableAutoScan = enableAutoDiscovery = enableAutoMetering = false;
            }
        }
    }
    LeaderSelectorListenerForPeriodicTask schedulingProcessor = new LeaderSelectorListenerForPeriodicTask(_dataCollectionExecutorService);
    if (enableAutoScan) {
        JobIntervals intervals = JobIntervals.get(ControllerServiceImpl.SCANNER);
        schedulingProcessor.addScheduledTask(new DiscoveryScheduler(ControllerServiceImpl.SCANNER), intervals.getInitialDelay(), intervals.getInterval());
    } else {
        _logger.info("Auto scan is disabled.");
    }
    if (enableAutoDiscovery) {
        JobIntervals intervals = JobIntervals.get(ControllerServiceImpl.DISCOVERY);
        schedulingProcessor.addScheduledTask(new DiscoveryScheduler(ControllerServiceImpl.DISCOVERY), intervals.getInitialDelay(), intervals.getInterval());
        intervals = JobIntervals.get(ControllerServiceImpl.NS_DISCOVERY);
        schedulingProcessor.addScheduledTask(new DiscoveryScheduler(ControllerServiceImpl.NS_DISCOVERY), intervals.getInitialDelay(), intervals.getInterval());
        intervals = JobIntervals.get(ControllerServiceImpl.COMPUTE_DISCOVERY);
        schedulingProcessor.addScheduledTask(new DiscoveryScheduler(ControllerServiceImpl.COMPUTE_DISCOVERY), intervals.getInitialDelay(), intervals.getInterval());
        intervals = JobIntervals.get(ControllerServiceImpl.CS_DISCOVERY);
        schedulingProcessor.addScheduledTask(new DiscoveryScheduler(ControllerServiceImpl.CS_DISCOVERY), intervals.getInitialDelay(), intervals.getInterval());
    } else {
        _logger.info("Auto discovery is disabled.");
    }
    if (enableArrayAffinityDiscovery) {
        JobIntervals intervals = JobIntervals.get(ControllerServiceImpl.ARRAYAFFINITY_DISCOVERY);
        schedulingProcessor.addScheduledTask(new DiscoveryScheduler(ControllerServiceImpl.ARRAYAFFINITY_DISCOVERY), intervals.getInitialDelay(), intervals.getInterval());
        _logger.info("Array Affinity discovery is enabled with interval {}", intervals.getInterval());
    } else {
        _logger.info("Array Affinity discovery is disabled");
    }
    if (enableAutoMetering) {
        JobIntervals intervals = JobIntervals.get(ControllerServiceImpl.METERING);
        schedulingProcessor.addScheduledTask(new DiscoveryScheduler(ControllerServiceImpl.METERING), intervals.getInitialDelay(), intervals.getInterval());
    } else {
        _logger.info("Metering is disabled.");
    }
    discoverySchedulingSelector = _coordinator.getLeaderSelector(leaderSelectorPath, schedulingProcessor);
    discoverySchedulingSelector.autoRequeue();
    discoverySchedulingSelector.start();
    // run provider refresh in it's own thread so we don't hold up the scheduling
    // thread if it takes longer than expected
    _dataCollectionExecutorService.scheduleAtFixedRate(new Runnable() {

        @Override
        public void run() {
            try {
                (new Thread(new RefreshProviderConnectionsThread())).start();
            } catch (Exception e) {
                _logger.error("Failed to start refresh connections thread: {}", e.getMessage());
                _logger.error(e.getMessage(), e);
            }
        }
    }, initialConnectionRefreshDelay, JobIntervals.SCAN_INTERVALS.getInterval(), TimeUnit.SECONDS);
    // recompute storage ports's metrics for all storage system
    // Since traverse through all storage ports in all storage systems may take a while, it best to perform the
    // task in a thread. We definitely do not want all nodes in cluster to do the same task, select a leader to
    // do it there.
    computePortMetricsSelector = _coordinator.getLeaderSelector(leaderSelectorComputePortMetricsPath, new LeaderSelectorListenerImpl() {

        @Override
        protected void stopLeadership() {
        }

        @Override
        protected void startLeadership() throws Exception {
            _dataCollectionExecutorService.schedule(new Runnable() {

                @Override
                public void run() {
                    _portMetricsProcessor.computeStoragePortUsage();
                }
            }, 1, TimeUnit.MILLISECONDS);
        }
    });
    computePortMetricsSelector.autoRequeue();
    computePortMetricsSelector.start();
}