metrics

Documentation

Index

• type Backend
• type RegistryInterface
  • func Registry() RegistryInterface

Types

type Backend

type Backend interface {
	// GetValue queries the backend and returns the raw numerical value of the
	// requested metric (with the given configuration) for the given nodes
	// at this point in time.
	GetValue(metric string, configuration map[string]string, nodeSelector map[string]string) (float64, error)
}

A Backend is used to interface with a metrics backend.

type RegistryInterface

type RegistryInterface interface {
	Get(name string) (Backend, error)
	Delete(name string)
	Put(name string, backend Backend)
}

RegistryInterface is an interface to a Backend registry. See function comments for implementation limitations.

func Registry

func Registry() RegistryInterface

Registry provides an interface to the single Backend registry.