pedroMMM/goss

package system

import (
    "github.com/aelsabbahy/goss/util"
    "github.com/opencontainers/runc/libcontainer/user"
)

type Group interface {
    Groupname() string
    Exists() (bool, error)
    GID() (int, error)
}

type DefGroup struct {
    groupname string
}

func NewDefGroup(groupname string, system *System, config util.Config) Group {
    return &DefGroup{groupname: groupname}
}

func (u *DefGroup) Groupname() string {
    return u.groupname
}

func (u *DefGroup) Exists() (bool, error) {
    _, err := user.LookupGroup(u.groupname)
    if err != nil {
        return false, nil
    }
    return true, nil
}

func (u *DefGroup) GID() (int, error) {
    group, err := user.LookupGroup(u.groupname)
    if err != nil {
        return 0, err
    }

    return group.Gid, nil
}