metrics

type Aggregate int

type Condition struct {
	// Metric is the name of the metric to check.
	Metric string

	// Op is the operator to use for the comparison.
	Op Operator

	// Value is the value to compare the metric with.
	Value float64

	// Readiness is the time after which the condition is ready to be checked.
	Readiness time.Duration
}

type Config struct {
	// Metrics is a list of metric definitions.
	Metrics []Metric

	// Healthcheck is a list of conditions that must be met for the healthcheck
	// endpoint to return 200 OK.
	Healthcheck []Condition

	// Listen address for the HTTP server that will be serving metrics.
	ListenAddr string

	// Logger used to log errors related to this logger, such as connection errors.
	Logger log.Logger
}

type Metric struct {
	// MatchMessage is a regexp that must match the log message.
	MatchMessage *regexp.Regexp

	// MatchFields is a list of regexp's that must match the values of the
	// fields defined in the map keys.
	MatchFields map[string]*regexp.Regexp

	// Value is the dot-separated path of the field with the metric value.
	// If empty, the value 1 will be used as the metric value.
	Value string

	// Name is the name of the metric. It can contain references to log fields
	// in the format %{path}, where path is the dot-separated path to the field.
	Name string

	// Labels is a list of metric labels. They can contain references to log fields
	// in the format %{path}, where path is the dot-separated path to the field.
	Labels map[string]string

	// WindowLengthMin is the length of the window in minutes. If 0, the last
	// value is always used.
	WindowLengthMin uint

	// Aggregate specifies how to aggregate values in the time window.
	Aggregate Aggregate

	// TransformFunc defines the function applied to the value before setting it.
	TransformFunc func(float64) float64

	// ParserFunc is going to be applied to transform the value reflection to an actual float64 value
	ParserFunc func(reflect.Value) (float64, bool)
	// contains filtered or unexported fields
}

type Operator string