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• 1.0.0-rc3
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• GangliaReporterFactory.java

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io.dropwizard.metrics.ganglia.GangliaReporterFactory Maven / Gradle / Ivy

package io.dropwizard.metrics.ganglia;

import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.ScheduledReporter;
import com.codahale.metrics.ganglia.GangliaReporter;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonTypeName;
import info.ganglia.gmetric4j.gmetric.GMetric;
import io.dropwizard.metrics.BaseReporterFactory;
import io.dropwizard.util.Duration;
import io.dropwizard.validation.MinDuration;
import org.hibernate.validator.constraints.NotEmpty;
import org.hibernate.validator.constraints.Range;

import javax.validation.constraints.NotNull;
import java.io.IOException;
import java.util.Optional;
import java.util.UUID;

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

 * Configuration Parameters:
 * 
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 * 
Name
Default
Description
host
localhost
The hostname (or group) of the Ganglia server(s) to report to.
port
8649
The port of the Ganglia server(s) to report to.
mode
unicast
The UDP addressing mode to announce the metrics with. One of {@code unicast} or
 *         {@code multicast}.
ttl
1
The time-to-live of the UDP packets for the announced metrics.
uuid
None
The UUID to tag announced metrics with.
spoof
None
The hostname and port to use instead of this nodes for the announced metrics. In the
 *         format {@code hostname:port}.
tmax
60
The tmax value to annouce metrics with.
dmax
0
The dmax value to announce metrics with.
 */
@JsonTypeName("ganglia")
public class GangliaReporterFactory extends BaseReporterFactory {
    @NotNull
    @MinDuration(0)
    private Duration tmax = Duration.seconds(1);

    @NotNull
    @MinDuration(0)
    private Duration dmax = Duration.seconds(0);

    @NotEmpty
    private String host = "localhost";

    @Range(min = 1, max = 49151)
    private int port = 8649;

    @NotNull
    private GMetric.UDPAddressingMode mode = GMetric.UDPAddressingMode.UNICAST;

    @Range(min = 0, max = 255)
    private int ttl = 1;

    private String prefix;
    private UUID uuid;
    private String spoof;

    @JsonProperty
    public Duration getTmax() {
        return tmax;
    }

    @JsonProperty
    public void setTmax(Duration tmax) {
        this.tmax = tmax;
    }

    @JsonProperty
    public Duration getDmax() {
        return dmax;
    }

    @JsonProperty
    public void setDmax(Duration dmax) {
        this.dmax = dmax;
    }

    @JsonProperty
    public String getHost() {
        return host;
    }

    @JsonProperty
    public void setHost(String host) {
        this.host = host;
    }

    @JsonProperty
    public int getPort() {
        return port;
    }

    @JsonProperty
    public void setPort(int port) {
        this.port = port;
    }

    @JsonProperty
    public GMetric.UDPAddressingMode getMode() {
        return mode;
    }

    @JsonProperty
    public void setMode(GMetric.UDPAddressingMode mode) {
        this.mode = mode;
    }

    @JsonProperty
    public int getTtl() {
        return ttl;
    }

    @JsonProperty
    public void setTtl(int ttl) {
        this.ttl = ttl;
    }

    public String getPrefix() {
        return prefix;
    }

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

    @JsonProperty
    public Optional getUuid() {
        return Optional.ofNullable(uuid);
    }

    @JsonProperty
    public void setUuid(UUID uuid) {
        this.uuid = uuid;
    }

    @JsonProperty
    public Optional getSpoof() {
        return Optional.ofNullable(spoof);
    }

    @JsonProperty
    public void setSpoof(String spoof) {
        this.spoof = spoof;
    }

    @Override
    public ScheduledReporter build(MetricRegistry registry) {
        try {
            final GMetric ganglia = new GMetric(host,
                                          port,
                                          mode,
                                          ttl,
                                          uuid != null || spoof != null,
                                          uuid,
                                          spoof);

            return GangliaReporter.forRegistry(registry)
                                  .convertDurationsTo(getDurationUnit())
                                  .convertRatesTo(getRateUnit())
                                  .filter(getFilter())
                                  .prefixedWith(getPrefix())
                                  .withDMax((int) dmax.toSeconds())
                                  .withTMax((int) tmax.toSeconds())
                                  .build(ganglia);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}