pedroMMM/goss

package system

import (
    "github.com/achanda/go-sysctl"
    "github.com/aelsabbahy/goss/util"
)

type KernelParam interface {
    Key() string
    Exists() (bool, error)
    Value() (string, error)
}

type DefKernelParam struct {
    key   string
    value string
}

func NewDefKernelParam(key string, system *System, config util.Config) KernelParam {
    return &DefKernelParam{
        key: key,
    }
}

func (k *DefKernelParam) ID() string {
    return k.key
}

func (k *DefKernelParam) Key() string {
    return k.key
}

func (k *DefKernelParam) Exists() (bool, error) {
    if _, err := k.Value(); err != nil {
        return false, nil
    }
    return true, nil
}

func (k *DefKernelParam) Value() (string, error) {
    return sysctl.Get(k.key)
}