templates

Documentation

Index

• func FuncsWithQuery(query QueryFn) textTpl.FuncMap
• func GetWithFuncs(funcs textTpl.FuncMap) (*textTpl.Template, error)
• func Load(pathPatterns []string, externalURL url.URL) error
• func Reload()
• type QueryFn
• type Time
  • func (t Time) Time() time.Time

Functions

func FuncsWithQuery

func FuncsWithQuery(query QueryFn) textTpl.FuncMap

FuncsWithQuery returns a function map that depends on metric data

func GetWithFuncs

func GetWithFuncs(funcs textTpl.FuncMap) (*textTpl.Template, error)

GetWithFuncs returns a copy of current template with additional FuncMap provided with funcs argument

func Load

func Load(pathPatterns []string, externalURL url.URL) error

Load func loads templates from multiple globs specified in pathPatterns and either sets them directly to current template if it's the first init; or sets replacement templates and wait for Reload() to replace current template with replacement.

func Reload

func Reload()

Reload func replaces current template with a replacement template which was set by Load with override=false

Types

type QueryFn

type QueryFn func(query string) ([]datasource.Metric, error)

QueryFn is used to wrap a call to datasource into simple-to-use function for templating functions.

type Time

type Time int64

Time is the number of milliseconds since the epoch (1970-01-01 00:00 UTC) excluding leap seconds.

func (Time) Time

func (t Time) Time() time.Time

Time returns the time.Time representation of t.