func validateHTTPRouteRewrite()

in webhooks/appmesh/gatewayroute_validator.go [188:202]

• 15 lines of code
• 9 McCabe index (conditional complexity)

func validateHTTPRouteRewrite(rewrite *appmesh.HTTPGatewayRouteRewrite, match appmesh.HTTPGatewayRouteMatch) error {
	if rewrite.Prefix == nil && rewrite.Path == nil && rewrite.Hostname == nil {
		return errors.New("Either prefix, path or hostname for rewrite must be specified")
	}
	if rewrite.Prefix != nil && rewrite.Path != nil {
		return errors.New("Both prefix and path for rewrites cannot be specified. Only 1 allowed")
	}
	if rewrite.Prefix != nil {
		if match.Prefix != nil && !strings.HasPrefix(*match.Prefix, "/") {
			return errors.New("Prefix to be matched on must start with '/'")
		}
		return validatePrefixRewrite(rewrite.Prefix)
	}
	return nil
}