metrics

Documentation

Overview

Package metrics implements prometheus metrics and exposes the metrics HTTP listener

Index

• Variables
• func Handler() http.Handler

Variables

var BuildInfo *prometheus.GaugeVec

BuildInfo is a Gauge representing the Trickster binary build information of the running server instance

var CacheByteOperations *prometheus.CounterVec

CacheByteOperations is a Counter of operations (in # of bytes) performed on a Trickster cache

var CacheBytes *prometheus.GaugeVec

CacheBytes is a Gauge representing the number of bytes in a Trickster cache

var CacheEvents *prometheus.CounterVec

CacheEvents is a Counter of events performed on a Trickster cache

var CacheMaxBytes *prometheus.GaugeVec

CacheMaxBytes is a Gauge for the Trickster cache's Max Object Threshold for triggering an eviction exercise

var CacheMaxObjects *prometheus.GaugeVec

CacheMaxObjects is a Gauge for the Trickster cache's Max Object Threshold for triggering an eviction exercise

var CacheObjectOperations *prometheus.CounterVec

CacheObjectOperations is a Counter of operations (in # of objects) performed on a Trickster cache

var CacheObjects *prometheus.GaugeVec

CacheObjects is a Gauge representing the number of objects in a Trickster cache

var FrontendRequestDuration *prometheus.HistogramVec

FrontendRequestDuration is a histogram that tracks the time it takes to process a request

var FrontendRequestStatus *prometheus.CounterVec

FrontendRequestStatus is a Counter of front end requests that have been processed with their status

var FrontendRequestWrittenBytes *prometheus.CounterVec

FrontendRequestWrittenBytes is a Counter of bytes written for front end requests

var LastReloadSuccessful prometheus.Gauge

LastReloadSuccessful gauge will be set to 1 if Trickster's last config reload succeeded else 0

var LastReloadSuccessfulTimestamp prometheus.Gauge

LastReloadSuccessfulTimestamp gauge is the epoch time of the most recent successful config load

var ProxyActiveConnections prometheus.Gauge

ProxyActiveConnections is a Gauge representing the number of active connections in the server

var ProxyConnectionAccepted prometheus.Counter

ProxyConnectionAccepted is a counter representing the total number of connections accepted by the Proxy

var ProxyConnectionClosed prometheus.Counter

ProxyConnectionClosed is a counter representing the total number of connections closed by the Proxy

var ProxyConnectionFailed prometheus.Counter

ProxyConnectionFailed is a counter for the total number of connections failed to connect for whatever reason

var ProxyConnectionRequested prometheus.Counter

ProxyConnectionRequested is a counter representing the total number of connections requested by clients to the Proxy

var ProxyMaxConnections prometheus.Gauge

ProxyMaxConnections is a Gauge representing the max number of active concurrent connections in the server

var ProxyRequestDuration *prometheus.HistogramVec

ProxyRequestDuration is a Histogram of time required in seconds to proxy a given Prometheus query

var ProxyRequestElements *prometheus.CounterVec

ProxyRequestElements is a Counter of data points in the timeseries returned to the requesting client

var ProxyRequestStatus *prometheus.CounterVec

ProxyRequestStatus is a Counter of downstream client requests handled by Trickster

Functions

func Handler

func Handler() http.Handler

Handler returns the http handler for the listener