// UnmarshalJSON - decodes JSON data.
func (a *Args) UnmarshalJSON(data []byte) error {
	// subtype to avoid recursive call to UnmarshalJSON()
	type subArgs Args
	var so subArgs

	if err := json.Unmarshal(data, &so); err != nil {
		return err
	}

	oa := Args(so)
	if oa.URL == nil || oa.URL.String() == "" {
		*a = oa
		return nil
	}

	*a = oa
	return nil
}

// Opa - implements opa policy agent calls.

	}

	resourceID := "idmp-"
	roleID := env.Get(EnvIdentityPluginRoleID, kv.Get(RoleID))
	if roleID == "" {
		// We use a hash of the plugin URL so that the ARN remains
		// constant across restarts.
		h := sha1.New()
		h.Write([]byte(pluginURL))
		bs := h.Sum(nil)
		resourceID += base64.RawURLEncoding.EncodeToString(bs)
	} else {

// UnmarshalJSON - decodes JSON data.
func (a *Args) UnmarshalJSON(data []byte) error {
	// subtype to avoid recursive call to UnmarshalJSON()
	type subArgs Args
	var so subArgs

	if err := json.Unmarshal(data, &so); err != nil {
		return err
	}

	oa := Args(so)
	if oa.URL == nil || oa.URL.String() == "" {
		*a = oa
		return nil
	}

	*a = oa
	return nil
}

	if region == "" {
		env.Get(EnvRegionName, "")
	}
	if region == "" {
		region = env.Get(EnvSiteRegion, siteKV.Get(RegionKey))
	}
	if region == "" {
		// No region config found in the site-subsystem. So lookup the legacy
		// region sub-system.
		if err = CheckValidKeys(RegionSubSys, regionKV, DefaultRegionKVS); err != nil {
			// An invalid key was found in the region sub-system.