Function GetTelemetryKeys

telemetrykeys/telemetrykeys.go:38–52

GetTelemetryKeys retrieves the (de-duplicated) set of all telemetry keys present in the direct causal chain of the error. The keys may not be sorted.

(err error)

// all telemetry keys present in the direct causal chain
// of the error. The keys may not be sorted.
func GetTelemetryKeys(err error) []string {
	keys := map[string]struct{}{}
	for ; err != nil; err = errbase.UnwrapOnce(err) {
		if w, ok := err.(*withTelemetry); ok {
			for _, k := range w.keys {
				keys[k] = struct{}{}
			}
		}
	}
	res := make([]string, 0, len(keys))
	for k := range keys {
		res = append(res, k)
	}
	return res
}