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• WavefrontReporterFactory.java

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com.wavefront.integrations.metrics.WavefrontReporterFactory Maven / Gradle / Ivy

package com.wavefront.integrations.metrics;

import com.google.common.base.Strings;
import com.google.common.collect.ImmutableMap;

import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.ScheduledReporter;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonTypeName;

import org.hibernate.validator.constraints.NotEmpty;

import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Collections;
import java.util.Map;

import javax.validation.constraints.NotNull;

import io.dropwizard.metrics.BaseReporterFactory;
import io.dropwizard.validation.PortRange;

/**
 * A factory for {@link WavefrontReporter} instances.
 * 

 * Configuration Parameters:
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 * 
Name
Default
Description
proxyHost
localhost
The hostname of the Wavefront proxy to report to.
proxyPort
2003
The port of the Wavefront proxy to report to.
prefix
None
The prefix for Metric key names to report to Wavefront.
metricSource
canonical name of localhost
This is the source name all metrics will report to Wavefront under.
pointTags
None
Key-value pairs for point tags to be added to each point reporting to Wavefront.
 */
@JsonTypeName("wavefront")
public class WavefrontReporterFactory extends BaseReporterFactory {
  @NotEmpty
  private String proxyHost = "localhost";

  @PortRange
  private int proxyPort = 2878;

  @NotNull
  private String prefix = "";

  @NotNull
  private String metricSource = "";

  @NotNull
  private Map pointTags = Collections.emptyMap();

  @JsonProperty
  public String getProxyHost() {
    return proxyHost;
  }

  @JsonProperty
  public void setProxyHost(String proxyHost) {
    this.proxyHost = proxyHost;
  }

  @JsonProperty
  public int getProxyPort() {
    return proxyPort;
  }

  @JsonProperty
  public void setProxyPort(int proxyPort) {
    this.proxyPort = proxyPort;
  }

  @JsonProperty
  public String getPrefix() {
    return prefix;
  }

  @JsonProperty
  public void setPrefix(String prefix) {
    this.prefix = prefix;
  }

  @JsonProperty
  public String getMetricSource() {
    return metricSource;
  }

  @JsonProperty
  public void setMetricSource(String metricSource) {
    this.metricSource = metricSource;
  }

  @JsonProperty("pointTags")
  public Map getPointTags() {
    return pointTags;
  }

  @JsonProperty("pointTags")
  public void setPointTags(Map pointTags) {
    this.pointTags = ImmutableMap.copyOf(pointTags);
  }


  @Override
  public ScheduledReporter build(MetricRegistry registry) {
    return WavefrontReporter.forRegistry(registry)
        .convertDurationsTo(getDurationUnit())
        .convertRatesTo(getRateUnit())
        .filter(getFilter())
        .prefixedWith(getPrefix())
        .withSource(getSource())
        .disabledMetricAttributes(getDisabledAttributes())
        .withPointTags(pointTags)
        .build(proxyHost, proxyPort);
  }

  private String getSource() {
    try {
      return Strings.isNullOrEmpty(getMetricSource()) ?
          InetAddress.getLocalHost().getCanonicalHostName() :
          getMetricSource();
    } catch (UnknownHostException ex) {
      return "localhost";
    }
  }
}