Sanket SudakeandGitHub
ded13229c0
This change mainly fixes few things around router and executor exposed metrices. 1. We are trying to follow standard in metric names. 2. Lables such as namespace are colliding with kube-prometheus standards so they are getting relabled to exported_namespace. Added function prefix to resolve this. Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>
101 lines
3.4 KiB
Go
101 lines
3.4 KiB
Go
package fscache
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import (
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"github.com/prometheus/client_golang/prometheus"
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)
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var (
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// function_name: the function's name
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// function_uid: the function's version id
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// function_address: the address of the pod from which the function was called
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functionLabels = []string{"function_name", "function_uid"}
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functionPodLabels = []string{"function_name", "function_address"}
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coldStarts = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Name: "fission_function_cold_starts_total",
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Help: "How many cold starts are made by function_name, function_uid.",
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},
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functionLabels,
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)
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funcRunningSummary = prometheus.NewSummaryVec(
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prometheus.SummaryOpts{
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Name: "fission_function_running_seconds",
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Help: "The running time (last access - create) in seconds of the function.",
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Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001},
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},
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functionLabels,
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)
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funcAliveSummary = prometheus.NewSummaryVec(
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prometheus.SummaryOpts{
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Name: "fission_function_alive_seconds",
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Help: "The alive time in seconds of the function.",
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Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001},
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},
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functionLabels,
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)
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funcIsAlive = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "fission_function_is_alive",
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Help: "A binary value indicating is the function_name, function_uid alive",
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},
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functionLabels,
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)
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funcReapTime = prometheus.NewSummaryVec(
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prometheus.SummaryOpts{
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Name: "fission_function_pod_reaptime_seconds",
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Help: "Amount of seconds to reap a pod",
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Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001},
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},
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functionPodLabels,
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)
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idleTime = prometheus.NewSummaryVec(
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prometheus.SummaryOpts{
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Name: "fission_function_idle_pod_time",
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Help: "Number of seconds it took for Reaper to detect the pod was idle",
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Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001},
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},
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functionPodLabels,
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)
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)
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func init() {
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// Register the function calls counter with Prometheus's default registry.
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prometheus.MustRegister(coldStarts)
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prometheus.MustRegister(funcRunningSummary)
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prometheus.MustRegister(funcAliveSummary)
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prometheus.MustRegister(funcIsAlive)
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prometheus.MustRegister(funcReapTime)
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prometheus.MustRegister(idleTime)
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}
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// IncreaseColdStarts increments the counter by 1.
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func (fsc *FunctionServiceCache) IncreaseColdStarts(funcname, funcuid string) {
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coldStarts.WithLabelValues(funcname, funcuid).Inc()
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}
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func (fsc *FunctionServiceCache) observeFuncRunningTime(funcname, funcuid string, running float64) {
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funcRunningSummary.WithLabelValues(funcname, funcuid).Observe(running)
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}
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func (fsc *FunctionServiceCache) observeFuncAliveTime(funcname, funcuid string, alive float64) {
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funcAliveSummary.WithLabelValues(funcname, funcuid).Observe(alive)
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}
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func (fsc *FunctionServiceCache) setFuncAlive(funcname, funcuid string, isAlive bool) {
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count := 0
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if isAlive {
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count = 1
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}
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funcIsAlive.WithLabelValues(funcname, funcuid).Set(float64(count))
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}
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// ReapTime is the amount of time taken to reap a pod
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func (fsc *FunctionServiceCache) ReapTime(funcName, funcAddress string, time float64) {
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funcReapTime.WithLabelValues(funcName, funcAddress).Observe(time)
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}
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// IdleTime is the amount of time it took Reaper to find out the pod was idle
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func (fsc *FunctionServiceCache) IdleTime(funcName, funcAddress string, time float64) {
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idleTime.WithLabelValues(funcName, funcAddress).Observe(time)
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}
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