f9f61d29de
* Removing logging from the NOOP implementatino * Simplifying the percentiles option * Simple logging implementation Co-authored-by: chris <chris@Profanity.local>
66 lines
1.6 KiB
Go
66 lines
1.6 KiB
Go
package metrics
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var (
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// The Prometheus metrics will be made available on this port:
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defaultPrometheusListenAddress = ":9000"
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// This is the endpoint where the Prometheus metrics will be made available ("/metrics" is the default with Prometheus):
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defaultPath = "/metrics"
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// defaultPercentiles is the default spread of percentiles/quantiles we maintain for timings / histogram metrics:
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defaultPercentiles = []float64{0, 0.5, 0.75, 0.90, 0.95, 0.98, 0.99, 1}
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)
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// Option powers the configuration for metrics implementations:
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type Option func(*Options)
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// Options for metrics implementations:
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type Options struct {
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Address string
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DefaultTags Tags
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Path string
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Percentiles []float64
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}
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// NewOptions prepares a set of options:
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func NewOptions(opt ...Option) Options {
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opts := Options{
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Address: defaultPrometheusListenAddress,
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DefaultTags: make(Tags),
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Path: defaultPath,
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Percentiles: defaultPercentiles,
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}
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for _, o := range opt {
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o(&opts)
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}
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return opts
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}
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// Path used to serve metrics over HTTP:
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func Path(value string) Option {
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return func(o *Options) {
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o.Path = value
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}
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}
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// Address is the listen address to serve metrics on:
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func Address(value string) Option {
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return func(o *Options) {
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o.Address = value
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}
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}
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// DefaultTags will be added to every metric:
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func DefaultTags(value Tags) Option {
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return func(o *Options) {
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o.DefaultTags = value
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}
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}
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// Percentiles defines the desired spread of statistics for histogram / timing metrics:
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func Percentiles(value []float64) Option {
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return func(o *Options) {
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o.Percentiles = value
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}
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}
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