convert

Documentation

Index

• func ESEscape(field string) string
• func KeyToMetric(key string) (*bus.Metric, error)
• func MetricToKey(m bus.Metric) (string, error)
• func PromTextToSG(in io.Reader) (bus.SampleGroup, error)

Functions

func ESEscape

func ESEscape(field string) string

ESEscape escapes out "." characters which are illegal in fieldnames in es 2.x This turns existing "_" characters into double "__" characters, and then turns "." characters into "_" characters

func KeyToMetric

func KeyToMetric(key string) (*bus.Metric, error)

KeyToMetric produces a Vulcan metric for a consistent key.

func MetricToKey

func MetricToKey(m bus.Metric) (string, error)

MetricToKey creates a consistent key for a metric. It piggy-backs off the property that golang json package sorts map keys while marshalling https://golang.org/src/encoding/json/encode.go#L615

func PromTextToSG

func PromTextToSG(in io.Reader) (bus.SampleGroup, error)

PromTextToSG reads prometheus metrics in text exposition format and produces a SampleGroup