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|
package system
import (
"context"
"errors"
"io/ioutil"
"strings"
"github.com/goss-org/goss/util"
)
type KernelParam interface {
Key() string
Exists() (bool, error)
Value() (string, error)
}
type DefKernelParam struct {
key string
}
func NewDefKernelParam(_ context.Context, 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) {
keyData, err := ioutil.ReadFile("/proc/sys/" + strings.Replace(k.key, ".", "/", -1))
if err != nil {
return "", errors.New("could not find the given key")
}
return strings.TrimSpace(string(keyData)), nil
}
|
