// letter. At least 2 characters long.
var validSiteNameRegex = regexp.MustCompile("^[a-z][a-z0-9-]+$")

// LookupSite - get site related configuration. Loads configuration from legacy
// region sub-system as well.
func LookupSite(siteKV KVS, regionKV KVS) (s Site, err error) {
	if err = CheckValidKeys(SiteSubSys, siteKV, DefaultSiteKVS); err != nil {
		return
	}
	region := env.Get(EnvRegion, "")
	if region == "" {