func SetAvailabilityZone(availabilityZone string) error {
	lock.Lock()
	defer lock.Unlock()
	if availabilityZone == "" {
		return fmt.Errorf("invalid availability zone")
	}
	cachedAvailabilityZone = availabilityZone
	return nil
}
// SetAvailabilityZone overrides the platform availability zone
SetAvailabilityZone overrides the platform availability zone
// SetAvailabilityZone overrides the platform availability zone
func SetAvailabilityZone(availabilityZone string) error {
	lock.Lock()
	defer lock.Unlock()
	if availabilityZone == "" {
		return fmt.Errorf("invalid availability zone")
	}
	cachedAvailabilityZone = availabilityZone
	return nil
}
func SetAvailabilityZone ( availabilityZone string ) error { lock . Lock ( ) defer lock . Unlock ( ) if availabilityZone == " " { return fmt . Errorf ( " " ) } cachedAvailabilityZone = availabilityZone return nil }
SetAvailabilityZone overrides the platform availability zone
SetAvailabilityZone overrides the platform availability zone