132 lines
2.7 KiB
Go
132 lines
2.7 KiB
Go
package meter
|
|
|
|
import (
|
|
"context"
|
|
|
|
"go.unistack.org/micro/v3/logger"
|
|
)
|
|
|
|
// Option powers the configuration for metrics implementations:
|
|
type Option func(*Options)
|
|
|
|
// Options for metrics implementations
|
|
type Options struct {
|
|
// Logger used for logging
|
|
Logger logger.Logger
|
|
// Context holds external options
|
|
Context context.Context
|
|
// Name holds the meter name
|
|
Name string
|
|
// Address holds the address that serves metrics
|
|
Address string
|
|
// Path holds the path for metrics
|
|
Path string
|
|
// MetricPrefix holds the prefix for all metrics
|
|
MetricPrefix string
|
|
// LabelPrefix holds the prefix for all labels
|
|
LabelPrefix string
|
|
// Labels holds the default labels
|
|
Labels []string
|
|
// WriteProcessMetrics flag to write process metrics
|
|
WriteProcessMetrics bool
|
|
// WriteFDMetrics flag to write fd metrics
|
|
WriteFDMetrics bool
|
|
}
|
|
|
|
// NewOptions prepares a set of options:
|
|
func NewOptions(opt ...Option) Options {
|
|
opts := Options{
|
|
Address: DefaultAddress,
|
|
Path: DefaultPath,
|
|
Context: context.Background(),
|
|
Logger: logger.DefaultLogger,
|
|
MetricPrefix: DefaultMetricPrefix,
|
|
LabelPrefix: DefaultLabelPrefix,
|
|
}
|
|
|
|
for _, o := range opt {
|
|
o(&opts)
|
|
}
|
|
|
|
return opts
|
|
}
|
|
|
|
// LabelPrefix sets the labels prefix
|
|
func LabelPrefix(pref string) Option {
|
|
return func(o *Options) {
|
|
o.LabelPrefix = pref
|
|
}
|
|
}
|
|
|
|
// MetricPrefix sets the metric prefix
|
|
func MetricPrefix(pref string) Option {
|
|
return func(o *Options) {
|
|
o.MetricPrefix = pref
|
|
}
|
|
}
|
|
|
|
// Context sets the metrics context
|
|
func Context(ctx context.Context) Option {
|
|
return func(o *Options) {
|
|
o.Context = ctx
|
|
}
|
|
}
|
|
|
|
// Path used to serve metrics over HTTP
|
|
func Path(value string) Option {
|
|
return func(o *Options) {
|
|
o.Path = value
|
|
}
|
|
}
|
|
|
|
// Address is the listen address to serve metrics
|
|
func Address(value string) Option {
|
|
return func(o *Options) {
|
|
o.Address = value
|
|
}
|
|
}
|
|
|
|
/*
|
|
// TimingObjectives defines the desired spread of statistics for histogram / timing metrics:
|
|
func TimingObjectives(value map[float64]float64) Option {
|
|
return func(o *Options) {
|
|
o.TimingObjectives = value
|
|
}
|
|
}
|
|
*/
|
|
|
|
// Logger sets the logger
|
|
func Logger(l logger.Logger) Option {
|
|
return func(o *Options) {
|
|
o.Logger = l
|
|
}
|
|
}
|
|
|
|
// Labels sets the meter labels
|
|
func Labels(ls ...string) Option {
|
|
return func(o *Options) {
|
|
o.Labels = append(o.Labels, ls...)
|
|
}
|
|
}
|
|
|
|
// Name sets the name
|
|
func Name(n string) Option {
|
|
return func(o *Options) {
|
|
o.Name = n
|
|
}
|
|
}
|
|
|
|
// WriteProcessMetrics enable process metrics output for write
|
|
func WriteProcessMetrics(b bool) Option {
|
|
return func(o *Options) {
|
|
o.WriteProcessMetrics = b
|
|
}
|
|
}
|
|
|
|
// WriteFDMetrics enable fd metrics output for write
|
|
func WriteFDMetrics(b bool) Option {
|
|
return func(o *Options) {
|
|
o.WriteFDMetrics = b
|
|
}
|
|
}
|