Examples with InMemoryResourceMetric com.vmware.photon.controller.model.monitoring.InMemoryResourceMetricService.InMemoryResourceMetric used on opensource projects

Example 1 with InMemoryResourceMetric

use of com.vmware.photon.controller.model.monitoring.InMemoryResourceMetricService.InMemoryResourceMetric in project photon-model by vmware.

the class SingleResourceStatsCollectionTaskService method updateAndPersistStats.

private void updateAndPersistStats(SingleResourceStatsCollectionTaskState currentState) {
    if (currentState.statsAdapterReference == null) {
        throw new IllegalStateException("stats adapter reference should not be null");
    }
    if (currentState.statsList.size() == 0) {
        // If there are no stats reported and if it's a final batch, just finish the task.
        if (currentState.isFinalBatch) {
            SingleResourceStatsCollectionTaskState nextStatePatch = new SingleResourceStatsCollectionTaskState();
            nextStatePatch.taskInfo = TaskUtils.createTaskState(TaskStage.FINISHED);
            TaskUtils.sendPatch(this, nextStatePatch);
        }
        return;
    }
    long expirationTime = Utils.getNowMicrosUtc() + TimeUnit.DAYS.toMicros(EXPIRATION_INTERVAL);
    List<Operation> operations = new ArrayList<>();
    List<ResourceMetrics> metricsList = new ArrayList<>();
    List<InMemoryResourceMetric> inMemoryMetricsList = new ArrayList<>();
    // Push the last collection metric to the in memory stats available at the
    // compute-link/stats URI.
    ServiceStats.ServiceStat minuteStats = new ServiceStats.ServiceStat();
    String statsLink = getAdapterLinkFromURI(currentState.statsAdapterReference);
    minuteStats.name = getLastCollectionMetricKeyForAdapterLink(statsLink, true);
    minuteStats.latestValue = Utils.getNowMicrosUtc();
    minuteStats.sourceTimeMicrosUtc = Utils.getNowMicrosUtc();
    minuteStats.unit = PhotonModelConstants.UNIT_MICROSECONDS;
    URI inMemoryStatsUri = UriUtils.buildStatsUri(UriUtils.extendUri(UriUtils.buildUri(ClusterUtil.getClusterUri(getHost(), ServiceTypeCluster.INVENTORY_SERVICE)), currentState.computeLink));
    operations.add(Operation.createPost(inMemoryStatsUri).setBody(minuteStats));
    populateResourceMetrics(metricsList, getLastCollectionMetricKeyForAdapterLink(statsLink, false), minuteStats, currentState.computeLink, expirationTime, null);
    for (ComputeStats stats : currentState.statsList) {
        // TODO: https://jira-hzn.eng.vmware.com/browse/VSYM-330
        InMemoryResourceMetric hourlyMemoryState = new InMemoryResourceMetric();
        if (currentState.publishInMemory) {
            String computeId = UriUtils.getLastPathSegment(stats.computeLink);
            hourlyMemoryState.timeSeriesStats = new HashMap<>();
            hourlyMemoryState.documentSelfLink = computeId + StatsConstants.HOUR_SUFFIX;
            inMemoryMetricsList.add(hourlyMemoryState);
        }
        for (Entry<String, List<ServiceStat>> entries : stats.statValues.entrySet()) {
            // sort stats by source time
            entries.getValue().sort(Comparator.comparing(o -> o.sourceTimeMicrosUtc));
            // Persist every data point
            for (ServiceStat serviceStat : entries.getValue()) {
                String computeLink = stats.computeLink;
                if (computeLink == null) {
                    computeLink = currentState.computeLink;
                }
                if (currentState.publishInMemory) {
                    // update in-memory stats
                    updateInMemoryStats(hourlyMemoryState, entries.getKey(), serviceStat, StatsConstants.BUCKET_SIZE_HOURS_IN_MILLIS);
                }
                populateResourceMetrics(metricsList, entries.getKey(), serviceStat, computeLink, expirationTime, stats.getCustomProperties());
            }
        }
    }
    for (ResourceMetrics metrics : metricsList) {
        operations.add(Operation.createPost(UriUtils.buildUri(ClusterUtil.getClusterUri(getHost(), ServiceTypeCluster.METRIC_SERVICE), ResourceMetricsService.FACTORY_LINK)).setBodyNoCloning(metrics));
    }
    if (currentState.publishInMemory) {
        for (InMemoryResourceMetric metric : inMemoryMetricsList) {
            operations.add(Operation.createPost(getHost(), InMemoryResourceMetricService.FACTORY_LINK).setBodyNoCloning(metric));
        }
    }
    // Save each data point sequentially to create time based monotonically increasing sequence.
    batchPersistStats(operations, 0, currentState.isFinalBatch);
}