Class PrometheusScrapeHandler

java.lang.Object

io.prometheus.metrics.exporter.common.PrometheusScrapeHandler

public class PrometheusScrapeHandler
extends Object

Prometheus scrape endpoint.

Field Summary

Fields

Modifier and Type	Field	Description
private final ExpositionFormats	expositionFormats
private final AtomicInteger	lastResponseSize
private final Predicate<String>	nameFilter
private final boolean	preferUncompressedResponse
private final PrometheusRegistry	registry
private final List<String>	supportedFormats

Constructor Summary

Constructors

Constructor	Description
PrometheusScrapeHandler()
PrometheusScrapeHandler(PrometheusProperties config)
PrometheusScrapeHandler(PrometheusProperties config, PrometheusRegistry registry)
PrometheusScrapeHandler(PrometheusRegistry registry)

Method Summary

Modifier and Type	Method	Description
void	handleRequest(PrometheusHttpExchange exchange)
private Predicate<String>	makeNameFilter(ExporterFilterProperties props)
private Predicate<String>	makeNameFilter(String[] includedNames)
private MetricSnapshots	scrape(PrometheusHttpRequest request)
private boolean	shouldUseCompression(PrometheusHttpRequest request)
private boolean	writeDebugResponse(MetricSnapshots snapshots, EscapingScheme escapingScheme, PrometheusHttpExchange exchange)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

registry

private final PrometheusRegistry registry

expositionFormats

private final ExpositionFormats expositionFormats

nameFilter

private final Predicate<String> nameFilter

lastResponseSize

private final AtomicInteger lastResponseSize

supportedFormats

private final List<String> supportedFormats

preferUncompressedResponse

private final boolean preferUncompressedResponse

Constructor Details

PrometheusScrapeHandler

public PrometheusScrapeHandler()

PrometheusScrapeHandler

public PrometheusScrapeHandler(PrometheusRegistry registry)

PrometheusScrapeHandler

public PrometheusScrapeHandler(PrometheusProperties config)

PrometheusScrapeHandler

public PrometheusScrapeHandler(PrometheusProperties config,
 PrometheusRegistry registry)

Method Details

handleRequest

public void handleRequest(PrometheusHttpExchange exchange)
                   throws IOException

Throws:

IOException

makeNameFilter

private Predicate<String> makeNameFilter(ExporterFilterProperties props)

makeNameFilter

private Predicate<String> makeNameFilter(String[] includedNames)

scrape

private MetricSnapshots scrape(PrometheusHttpRequest request)

writeDebugResponse

private boolean writeDebugResponse(MetricSnapshots snapshots,
 EscapingScheme escapingScheme,
 PrometheusHttpExchange exchange)
                            throws IOException

Throws:

IOException

shouldUseCompression

private boolean shouldUseCompression(PrometheusHttpRequest request)