Package org.apache.pulsar.broker.stats.prometheus

Class PrometheusMetricsServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.apache.pulsar.broker.stats.prometheus.PrometheusMetricsServlet

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class PrometheusMetricsServlet
extends javax.servlet.http.HttpServlet

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.List<PrometheusRawMetricsProvider>	metricsProviders

Constructor Summary

Constructors

Constructor	Description
PrometheusMetricsServlet(long metricsServletTimeoutMs, java.lang.String cluster)

Method Summary

Modifier and Type	Method	Description
void	addRawMetricsProvider(PrometheusRawMetricsProvider metricsProvider)
void	destroy()
protected void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
protected void	generateMetrics(java.lang.String cluster, javax.servlet.ServletOutputStream outputStream)
void	init()

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

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

Field Detail

metricsProviders

protected java.util.List<PrometheusRawMetricsProvider> metricsProviders

Constructor Detail

PrometheusMetricsServlet

public PrometheusMetricsServlet(long metricsServletTimeoutMs,
                                java.lang.String cluster)

Method Detail

init

public void init()
          throws javax.servlet.ServletException

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException

doGet

protected void doGet(javax.servlet.http.HttpServletRequest request,
                     javax.servlet.http.HttpServletResponse response)

Overrides:

doGet in class javax.servlet.http.HttpServlet

generateMetrics

protected void generateMetrics(java.lang.String cluster,
                               javax.servlet.ServletOutputStream outputStream)
                        throws java.io.IOException

Throws:

java.io.IOException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Servlet

Overrides:

destroy in class javax.servlet.GenericServlet

addRawMetricsProvider

public void addRawMetricsProvider(PrometheusRawMetricsProvider metricsProvider)