jx/internal/resource/os.go

// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.

package resource

import (
	"os/user"
	"strconv"
)

func LookupUIDString(userName string) string {
	user, userLookupErr := user.Lookup(userName)
	if userLookupErr != nil {
		return ""
	}
	return user.Uid
}

func LookupUID(userName string) (int, error) {
	user, userLookupErr := user.Lookup(userName)
	if userLookupErr != nil {
		return -1, userLookupErr
	}

	uid, uidErr := strconv.Atoi(user.Uid)
	if uidErr != nil {
		return -1, uidErr
	}

	return uid, nil
}

func LookupGID(groupName string) (int, error) {
	group, groupLookupErr := user.LookupGroup(groupName)
	if groupLookupErr != nil {
		return -1, groupLookupErr
	}

	gid, gidErr := strconv.Atoi(group.Gid)
	if gidErr != nil {
		return -1, gidErr
	}

	return gid, nil
}