Github user JPercivall commented on a diff in the pull request:
https://github.com/apache/nifi/pull/655#discussion_r71027088
--- Diff:
nifi-nar-bundles/nifi-datadog-bundle/nifi-datadog-reporting-task/src/main/java/org/apache/nifi/reporting/datadog/DataDogReportingTask.java
---
@@ -0,0 +1,185 @@
+package org.apache.nifi.reporting.datadog;
+
+
+import com.codahale.metrics.Gauge;
+import com.codahale.metrics.MetricRegistry;
+import com.google.common.base.Optional;
+import com.google.common.util.concurrent.AtomicDouble;
+import com.yammer.metrics.core.VirtualMachineMetrics;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.annotation.lifecycle.OnScheduled;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.controller.ConfigurationContext;
+import org.apache.nifi.controller.status.ProcessGroupStatus;
+import org.apache.nifi.controller.status.ProcessorStatus;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.reporting.AbstractReportingTask;
+import org.apache.nifi.reporting.ReportingContext;
+import org.apache.nifi.reporting.datadog.metrics.MetricsService;
+import org.coursera.metrics.datadog.DynamicTagsCallback;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+@Tags({"reporting", "datadog", "metrics"})
+@CapabilityDescription("Publishes metrics from NiFi to datadog")
+public class DataDogReportingTask extends AbstractReportingTask {
+
+ //the amount of time between polls
+ static final PropertyDescriptor REPORTING_PERIOD = new
PropertyDescriptor.Builder()
+ .name("DataDog reporting period")
+ .description("The amount of time in seconds between polls")
+ .required(true)
+ .expressionLanguageSupported(false)
+ .defaultValue("10")
+ .addValidator(StandardValidators.LONG_VALIDATOR)
+ .build();
+
+ static final PropertyDescriptor METRICS_PREFIX = new
PropertyDescriptor.Builder()
+ .name("Metrics prefix")
+ .description("Prefix to be added before every metric")
+ .required(true)
+ .expressionLanguageSupported(false)
+ .defaultValue("nifi")
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+ .build();
+
+ static final PropertyDescriptor ENVIRONMENT = new
PropertyDescriptor.Builder()
+ .name("Environment")
+ .description("Environment, dataflow is running in. " +
+ "This property will be included as metrics tag.")
+ .required(true)
+ .expressionLanguageSupported(false)
+ .defaultValue("dev")
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+ .build();
+
+ private MetricsService metricsService;
+ private DDMetricRegistryBuilder ddMetricRegistryBuilder;
+ private MetricRegistry metricRegistry;
+ private String metricsPrefix;
+ private String environment;
+ private String statusId;
+ private ConcurrentHashMap<String, AtomicDouble> metricsMap;
+ private volatile VirtualMachineMetrics virtualMachineMetrics;
+ private Logger logger = LoggerFactory.getLogger(getClass().getName());
--- End diff --
The framework provides a logger to use with the "getLogger()" method.
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