kea-manage/ipv4/reservation/reservation.go

package reservation

import (
	"log/slog"
	"net"

	"git.staur.ca/stobbsm/kea-manage/lib/types"
	"git.staur.ca/stobbsm/kea-manage/lib/validators/macaddr"
)

type ReservationV4 struct {
	IdentifierType types.Identifier
	SubnetID       int
	Identifier     string
	Ipv4           string
	Hostname       string
}

func ReserveV4MacAddr(identifierType string, identifier string, addr string, hostname string, subnet int) *ReservationV4 {
	r := &ReservationV4{
		IdentifierType: types.LookupIdentifier(identifierType),
		SubnetID:       subnet,
		Identifier:     identifier,
		Ipv4:           addr,
		Hostname:       hostname,
	}

	return r
}

// Validate implements the Validator interface. Returns true when valid, false when not.
// Will print message to the slog Error channel when an error is found to provide more information
// This does not validate against the database, just validates that the written configuration
// is correct
func (r *ReservationV4) Validate() bool {
	if r.IdentifierType == 255 {
		slog.Error("validate", slog.Any("reservationV4.type", "invalid"))
		return false
	}

	if net.ParseIP(r.Ipv4) == nil {
		slog.Error("validate", slog.Any("reservationV4.ipv4", r.Ipv4))
		return false
	}

	if !macaddr.IsValid(r.Identifier) {
		slog.Error("validate", slog.Any("reservationV4.identifier", r.Identifier))
		return false
	}

	return true
}