Method Describe

prometheus/collector.go:49–49

Describe sends the super-set of all possible descriptors of metrics collected by this Collector to the provided channel and returns once the last descriptor has been sent. The sent descriptors fulfill the consistency and uniqueness requirements described in the Desc documentation. It is valid if on

(chan<- *Desc)

	// must send an invalid descriptor (created with NewInvalidDesc) to
	// signal the error to the registry.
	Describe(chan<- *Desc)
	// Collect is called by the Prometheus registry when collecting
	// metrics. The implementation sends each collected metric via the
	// provided channel and returns once the last metric has been sent. The