69 lines
2.1 KiB
Go
69 lines
2.1 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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// funcname: the function's name
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// funcuid: the function's version id
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coldStarts = prometheus.NewCounterVec(
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prometheus.CounterOpts{
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Name: "fission_cold_starts_total",
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Help: "How many cold starts are made by funcname, funcuid.",
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},
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[]string{"funcname", "funcuid"},
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)
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funcRunningSummary = prometheus.NewSummaryVec(
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prometheus.SummaryOpts{
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Name: "fission_func_running_seconds_summary",
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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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[]string{"funcname", "funcuid"},
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)
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funcAliveSummary = prometheus.NewSummaryVec(
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prometheus.SummaryOpts{
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Name: "fission_func_alive_seconds_summary",
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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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[]string{"funcname", "funcuid"},
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)
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funcIsAlive = prometheus.NewGaugeVec(
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prometheus.GaugeOpts{
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Name: "fission_func_is_alive",
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Help: "A binary value indicating is the funcname, funcuid alive",
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},
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[]string{"funcname", "funcuid"},
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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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}
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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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