util

Documentation

Index

• func GetAvailableSpace(path string) int64
• func GetNamespace() string
• func MinQuantity(availableSpace, imageSize *resource.Quantity) resource.Quantity
• func ParseEnvVar(envVarName string, decode bool) (string, error)
• func RandAlphaNum(n int) string
• func StartPrometheusEndpoint(certsDirectory string)
• func UnArchiveLocalTar(filePath, destDir string, arg ...string) error
• func UnArchiveTar(reader io.Reader, destDir string, arg ...string) error
• type CountingReader
  • func (r *CountingReader) Close() error
  • func (r *CountingReader) Read(p []byte) (n int, err error)

Functions

func GetAvailableSpace

func GetAvailableSpace(path string) int64

GetAvailableSpace gets the amount of available space at the path specified.

func GetNamespace

func GetNamespace() string

GetNamespace returns the namespace the pod is executing in

func MinQuantity

func MinQuantity(availableSpace, imageSize *resource.Quantity) resource.Quantity

MinQuantity calculates the minimum of two quantities.

func ParseEnvVar

func ParseEnvVar(envVarName string, decode bool) (string, error)

ParseEnvVar provides a wrapper to attempt to fetch the specified env var

func RandAlphaNum

func RandAlphaNum(n int) string

RandAlphaNum provides an implementation to generate a random alpha numeric string of the specified length

func StartPrometheusEndpoint

func StartPrometheusEndpoint(certsDirectory string)

StartPrometheusEndpoint starts an http server providing a prometheus endpoint using the passed in directory to store the self signed certificates that will be generated before starting the http server.

func UnArchiveLocalTar

func UnArchiveLocalTar(filePath, destDir string, arg ...string) error

UnArchiveLocalTar unarchives a local tar file to the specified destination.

func UnArchiveTar

func UnArchiveTar(reader io.Reader, destDir string, arg ...string) error

UnArchiveTar unarchives a tar file and streams its files using the specified io.Reader to the specified destination.

Types

type CountingReader

type CountingReader struct {
	Reader  io.ReadCloser
	Current int64
}

CountingReader is a reader that keeps track of how much has been read

func (*CountingReader) Close

func (r *CountingReader) Close() error

Close closes the stream

func (*CountingReader) Read

func (r *CountingReader) Read(p []byte) (n int, err error)

Read reads bytes from the stream and updates the prometheus clone_progress metric according to the progress.