prometheus

type CounterDefinition struct {
	Name      string
	ConstTags []metrics.Tag
	Help      string
}

type GaugeDefinition struct {
	Name      string
	ConstTags []metrics.Tag
	Help      string
}

type Opts struct {
	// Expiration is the duration a gauge or summary is valid for, after which
	// it will be untracked. If the value is not positive, they are never
	// expired. Counters are controlled by CounterExpiration instead.
	Expiration time.Duration

	// CounterExpiration is the duration after which a counter created at
	// runtime is removed, when it has not been updated. The zero value, which
	// is the default, keeps every counter for the lifetime of the process, as
	// does a negative one.
	//
	// Deleting a counter resets the series, which makes rate() over the gap
	// wrong, so only set this when the label cardinality is unbounded and a
	// reset is the lesser problem.
	CounterExpiration time.Duration

	// Registerer the Sink registers itself with.
	// Defaults to prometheus.DefaultRegisterer.
	Registerer prometheus.Registerer

	// GaugeDefinitions pre-declares gauges by Name, Help and ConstTags.
	// Metrics declared in this way will be initialized at zero and will not be
	// deleted or altered when their expiry is reached.
	//
	// Ex: Opts{
	//     Expiration: 10 * time.Second,
	//     GaugeDefinitions: []GaugeDefinition{
	//         {
	//           Name: "application_component_measurement",
	//           Help: "application_component_measurement provides an example of how to declare static metrics",
	//           ConstTags: []metrics.Tag{ { Name: "my_label", Value: "does_not_change" } },
	//         },
	//     },
	// }
	GaugeDefinitions []GaugeDefinition
	// SummaryDefinitions pre-declares summaries, see GaugeDefinitions.
	SummaryDefinitions []SummaryDefinition
	// CounterDefinitions pre-declares counters, see GaugeDefinitions.
	CounterDefinitions []CounterDefinition

	// Name of the sink, used as the descriptor exposed by Describe.
	// Two sinks registered with the same Registerer must have different names.
	Name string

	// Help of the metrics, keyed by the final metric name.
	// Use metrics.Config.Help to build it from the metric descriptions, so the
	// exported HELP text matches the name the configuration produces.
	// The map is retained and written to by the pre-declared definitions; it
	// must not be modified once the sink is constructed.
	Help map[string]string
}

type PushSink struct {
	*Sink
	// contains filtered or unexported fields
}

type Sink struct {
	// contains filtered or unexported fields
}

type SummaryDefinition struct {
	Name      string
	ConstTags []metrics.Tag
	Help      string
}