Examples with Alert co.cask.cdap.etl.api.Alert used on opensource projects

Example 6 with Alert

use of co.cask.cdap.etl.api.Alert in project cdap by caskdata.

the class StreamingAlertPublishFunction method call.

@Override
public Void call(JavaRDD<Alert> data, Time batchTime) throws Exception {
    MacroEvaluator evaluator = new DefaultMacroEvaluator(new BasicArguments(sec), batchTime.milliseconds(), sec.getSecureStore(), sec.getNamespace());
    PluginContext pluginContext = new SparkPipelinePluginContext(sec.getPluginContext(), sec.getMetrics(), stageSpec.isStageLoggingEnabled(), stageSpec.isProcessTimingEnabled());
    String stageName = stageSpec.getName();
    AlertPublisher alertPublisher = pluginContext.newPluginInstance(stageName, evaluator);
    PipelineRuntime pipelineRuntime = new SparkPipelineRuntime(sec, batchTime.milliseconds());
    AlertPublisherContext alertPublisherContext = new DefaultAlertPublisherContext(pipelineRuntime, stageSpec, sec.getMessagingContext(), sec.getAdmin());
    alertPublisher.initialize(alertPublisherContext);
    StageMetrics stageMetrics = new DefaultStageMetrics(sec.getMetrics(), stageName);
    TrackedIterator<Alert> trackedAlerts = new TrackedIterator<>(data.collect().iterator(), stageMetrics, Constants.Metrics.RECORDS_IN);
    alertPublisher.publish(trackedAlerts);
    alertPublisher.destroy();
    return null;
}

Example 7 with Alert

use of co.cask.cdap.etl.api.Alert in project cdap by caskdata.

the class SmartWorkflow method destroy.

@Override
public void destroy() {
    WorkflowContext workflowContext = getContext();
    PipelineRuntime pipelineRuntime = new PipelineRuntime(workflowContext, workflowMetrics);
    // Execute the post actions only if pipeline is not running in preview mode.
    if (!workflowContext.getDataTracer(PostAction.PLUGIN_TYPE).isEnabled()) {
        for (Map.Entry<String, PostAction> endingActionEntry : postActions.entrySet()) {
            String name = endingActionEntry.getKey();
            PostAction action = endingActionEntry.getValue();
            StageSpec stageSpec = stageSpecs.get(name);
            BatchActionContext context = new WorkflowBackedActionContext(workflowContext, pipelineRuntime, stageSpec);
            try {
                action.run(context);
            } catch (Throwable t) {
                LOG.error("Error while running post action {}.", name, t);
            }
        }
    }
    // publish all alerts
    for (Map.Entry<String, AlertPublisher> alertPublisherEntry : alertPublishers.entrySet()) {
        String name = alertPublisherEntry.getKey();
        AlertPublisher alertPublisher = alertPublisherEntry.getValue();
        PartitionedFileSet alertConnector = workflowContext.getDataset(name);
        try (CloseableIterator<Alert> alerts = new AlertReader(alertConnector.getPartitions(PartitionFilter.ALWAYS_MATCH))) {
            if (!alerts.hasNext()) {
                continue;
            }
            StageMetrics stageMetrics = new DefaultStageMetrics(workflowMetrics, name);
            StageSpec stageSpec = stageSpecs.get(name);
            AlertPublisherContext alertContext = new DefaultAlertPublisherContext(pipelineRuntime, stageSpec, workflowContext, workflowContext.getAdmin());
            alertPublisher.initialize(alertContext);
            TrackedIterator<Alert> trackedIterator = new TrackedIterator<>(alerts, stageMetrics, Constants.Metrics.RECORDS_IN);
            alertPublisher.publish(trackedIterator);
        } catch (Exception e) {
            LOG.warn("Stage {} had errors publishing alerts. Alerts may not have been published.", name, e);
        } finally {
            try {
                alertPublisher.destroy();
            } catch (Exception e) {
                LOG.warn("Error destroying alert publisher for stage {}", name, e);
            }
        }
    }
    ProgramStatus status = getContext().getState().getStatus();
    if (status == ProgramStatus.FAILED) {
        WRAPPERLOGGER.error("Pipeline '{}' failed.", getContext().getApplicationSpecification().getName());
    } else {
        WRAPPERLOGGER.info("Pipeline '{}' {}.", getContext().getApplicationSpecification().getName(), status == ProgramStatus.COMPLETED ? "succeeded" : status.name().toLowerCase());
    }
    MacroEvaluator macroEvaluator = new DefaultMacroEvaluator(pipelineRuntime.getArguments(), workflowContext.getLogicalStartTime(), workflowContext, workflowContext.getNamespace());
    // Get resolved plugin properties
    Map<String, Map<String, String>> resolvedProperties = new HashMap<>();
    for (StageSpec spec : stageSpecs.values()) {
        String stageName = spec.getName();
        resolvedProperties.put(stageName, workflowContext.getPluginProperties(stageName, macroEvaluator).getProperties());
    }
    // Add resolved plugin properties to workflow token as a JSON String
    workflowContext.getToken().put(RESOLVED_PLUGIN_PROPERTIES_MAP, GSON.toJson(resolvedProperties));
}

Example 8 with Alert

use of co.cask.cdap.etl.api.Alert in project cdap by caskdata.

the class DataStreamsTest method testAlertPublisher.

@Test
public void testAlertPublisher() throws Exception {
    String sinkName = "alertSink";
    final String topic = "alertTopic";
    Schema schema = Schema.recordOf("x", Schema.Field.of("id", Schema.nullableOf(Schema.of(Schema.Type.LONG))));
    StructuredRecord record1 = StructuredRecord.builder(schema).set("id", 1L).build();
    StructuredRecord record2 = StructuredRecord.builder(schema).set("id", 2L).build();
    StructuredRecord alertRecord = StructuredRecord.builder(schema).build();
    /*
     * source --> nullAlert --> sink
     *               |
     *               |--> TMS publisher
     */
    DataStreamsConfig config = DataStreamsConfig.builder().setBatchInterval("5s").addStage(new ETLStage("source", MockSource.getPlugin(schema, ImmutableList.of(record1, record2, alertRecord)))).addStage(new ETLStage("nullAlert", NullAlertTransform.getPlugin("id"))).addStage(new ETLStage("sink", MockSink.getPlugin(sinkName))).addStage(new ETLStage("tms", TMSAlertPublisher.getPlugin(topic, NamespaceId.DEFAULT.getNamespace()))).addConnection("source", "nullAlert").addConnection("nullAlert", "sink").addConnection("nullAlert", "tms").build();
    AppRequest<DataStreamsConfig> appRequest = new AppRequest<>(APP_ARTIFACT, config);
    ApplicationId appId = NamespaceId.DEFAULT.app("AlertTest");
    ApplicationManager appManager = deployApplication(appId, appRequest);
    SparkManager sparkManager = appManager.getSparkManager(DataStreamsSparkLauncher.NAME);
    sparkManager.start();
    sparkManager.waitForStatus(true, 10, 1);
    final Set<StructuredRecord> expectedRecords = ImmutableSet.of(record1, record2);
    final Set<Alert> expectedMessages = ImmutableSet.of(new Alert("nullAlert", new HashMap<String, String>()));
    final DataSetManager<Table> sinkTable = getDataset(sinkName);
    Tasks.waitFor(true, new Callable<Boolean>() {

        @Override
        public Boolean call() throws Exception {
            // get alerts from TMS
            try {
                getMessagingAdmin(NamespaceId.DEFAULT.getNamespace()).getTopicProperties(topic);
            } catch (TopicNotFoundException e) {
                return false;
            }
            MessageFetcher messageFetcher = getMessagingContext().getMessageFetcher();
            Set<Alert> actualMessages = new HashSet<>();
            try (CloseableIterator<Message> iter = messageFetcher.fetch(NamespaceId.DEFAULT.getNamespace(), topic, 5, 0)) {
                while (iter.hasNext()) {
                    Message message = iter.next();
                    Alert alert = GSON.fromJson(message.getPayloadAsString(), Alert.class);
                    actualMessages.add(alert);
                }
            }
            // get records from sink
            sinkTable.flush();
            Set<StructuredRecord> outputRecords = new HashSet<>();
            outputRecords.addAll(MockSink.readOutput(sinkTable));
            return expectedRecords.equals(outputRecords) && expectedMessages.equals(actualMessages);
        }
    }, 4, TimeUnit.MINUTES);
    sparkManager.stop();
    sparkManager.waitForStatus(false, 10, 1);
    validateMetric(appId, "source.records.out", 3);
    validateMetric(appId, "nullAlert.records.in", 3);
    validateMetric(appId, "nullAlert.records.out", 2);
    validateMetric(appId, "nullAlert.records.alert", 1);
    validateMetric(appId, "sink.records.in", 2);
    validateMetric(appId, "tms.records.in", 1);
}