return l, err
		}
	}

	// Lookup bind user configuration
	l.LDAP.LookupBindDN = getCfgVal(LookupBindDN)
	l.LDAP.LookupBindPassword = getCfgVal(LookupBindPassword)

	// User DN search configuration
	l.LDAP.UserDNSearchFilter = getCfgVal(UserDNSearchFilter)
	l.LDAP.UserDNSearchBaseDistName = getCfgVal(UserDNSearchBaseDN)

	// Group search params configuration
	l.LDAP.GroupSearchFilter = getCfgVal(GroupSearchFilter)

	// Whether ambient DNS capture is enabled
	AmbientDNSCapture bool

	// Whether ipv6 is enabled for ambient capture
	AmbientIPv6 bool
}

// RepairConfig struct defines the Istio CNI race repair configuration
type RepairConfig struct {
	// Whether to enable CNI race repair
	Enabled bool

	// The node name that the CNI DaemonSet runs on
	NodeName string

	// Key and value for broken pod label
	LabelKey   string

type Args struct {
	URL         *xnet.URL
	AuthToken   string
	Transport   http.RoundTripper
	CloseRespFn func(r io.ReadCloser)

	RolePolicy string
	RoleARN    arn.ARN
}

// Validate - validate configuration params.
func (a *Args) Validate() error {
	req, err := http.NewRequest(http.MethodPost, a.URL.String(), bytes.NewReader([]byte("")))
	if err != nil {
		return err
	}

// 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
	}