utils.go

/*
   Helper functions for zabbix-netbox-sync
   Copyright (C) 2025  SUSE LLC <georg.pfuetzenreuter@suse.com>

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

package main

import (
	"fmt"
	"github.com/seancfoley/ipaddress-go/ipaddr"
	"log/slog"
	"os"
)

func convertLogLevel(levelStr string) slog.Level {
	switch levelStr {
	case "debug":
		return slog.LevelDebug
	case "info":
		return slog.LevelInfo
	case "warn":
		return slog.LevelWarn
	case "error":
		return slog.LevelError
	default:
		return slog.LevelInfo
	}
}

func Debug(format string, args ...any) {
	logger.Debug(fmt.Sprintf(format, args...))
}

func Info(format string, args ...any) {
	logger.Info(fmt.Sprintf(format, args...))
}

func Warn(format string, args ...any) {
	logger.Warn(fmt.Sprintf(format, args...))
}

func Error(format string, args ...any) {
	logger.Error(fmt.Sprintf(format, args...))
}

func Fatal(format string, args ...any) {
	Error(format, args...)
	os.Exit(1)
}

func handleError(action string, err error) {
	if err != nil {
		Fatal("%s failed: %s", action, err)
	}
}

func contains(values []string, value string) bool {
	for _, entry := range values {
		if entry == value {
			return true
		}
	}

	return false
}

func isLinkLocal(address string) bool {
	ip := ipaddr.NewIPAddressString(address).GetAddress()
	if ip == nil {
		Fatal("Invalid IP address")
	}

	return ip.IsLinkLocal()
}