103 lines
1.9 KiB
Go
103 lines
1.9 KiB
Go
package meter
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import (
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"context"
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"github.com/unistack-org/micro/v3/logger"
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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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Name string
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Address string
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Path string
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Labels Labels
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//TimingObjectives map[float64]float64
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Logger logger.Logger
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Context context.Context
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MetricPrefix string
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LabelPrefix string
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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: DefaultAddress,
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Path: DefaultPath,
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Context: context.Background(),
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Logger: logger.DefaultLogger,
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MetricPrefix: DefaultMetricPrefix,
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LabelPrefix: DefaultLabelPrefix,
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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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// Context sets the metrics context
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func Context(ctx context.Context) Option {
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return func(o *Options) {
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o.Context = ctx
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}
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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
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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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/*
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// Labels be added to every metric
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func Labels(labels []string) Option {
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return func(o *Options) {
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o.Labels = labels
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}
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}
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*/
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/*
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// TimingObjectives defines the desired spread of statistics for histogram / timing metrics:
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func TimingObjectives(value map[float64]float64) Option {
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return func(o *Options) {
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o.TimingObjectives = value
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}
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}
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*/
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// Logger sets the logger
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func Logger(l logger.Logger) Option {
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return func(o *Options) {
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o.Logger = l
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}
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}
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// Label sets the label
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func Label(key, val string) Option {
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return func(o *Options) {
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o.Labels.keys = append(o.Labels.keys, key)
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o.Labels.vals = append(o.Labels.vals, val)
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}
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}
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// Name sets the name
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func Name(n string) Option {
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return func(o *Options) {
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o.Name = n
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}
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}
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