registry

func Add ¶

func Add(m types.Metric)

Add adds a metric to the metric registry.

Panics if - the metric name is invalid. - a metric with the same name and target type is defined already. - a field name is invalid.

func Iter ¶

func Iter(cb func(m types.Metric))

Iter calls a callback for each registered metric.

Metrics are visited in no particular order. The callback must not modify the registry.

func ValidateMetricFieldName ¶

func ValidateMetricFieldName(fName string) error

ValidateMetricFieldName validates a metric field name.

func ValidateMetricName ¶

func ValidateMetricName(name string) error

ValidateMetricName validates the provided metric name. * if the provided name starts with "/", validate it as is; * otherwise prepend monitor.MetricNamePrefix to it then validate.