sysctl

package

v1.15.4 Latest Latest Go to latest Published: Apr 11, 2024 License: Apache-2.0 Imports: 12 Imported by: 12

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Repository

github.com/cilium/cilium

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Documentation ¶

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Overview ¶

Package sysctl allows to change kernel parameters at runtime.

Index ¶

func ApplySettings(sysSettings []Setting) error
func Disable(name string) error
func Enable(name string) error
func GetProcfs() string
func Read(name string) (string, error)
func ReadInt(name string) (int64, error)
func SetProcfs(path string)
func Write(name string, val string) error
func WriteInt(name string, val int64) error
type ErrInvalidSysctlParameter
- func (e ErrInvalidSysctlParameter) Error() string
type Setting

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func ApplySettings ¶

func ApplySettings(sysSettings []Setting) error

ApplySettings applies all settings in sysSettings.

func Disable ¶

func Disable(name string) error

Disable disables the given sysctl parameter.

func Enable ¶

func Enable(name string) error

Enable enables the given sysctl parameter.

func GetProcfs ¶

func GetProcfs() string

GetProcfs returns the path set in procFs. Executing SetProcFs after GetProcfs might panic depending. See SetProcfs for more info.

func Read ¶

func Read(name string) (string, error)

Read reads the given sysctl parameter.

func ReadInt ¶

func ReadInt(name string) (int64, error)

ReadInt reads the given sysctl parameter, return an int64 value.

func SetProcfs ¶

func SetProcfs(path string)

SetProcfs sets path for the root's /proc. Calling it after GetProcfs causes panic.

func Write ¶

func Write(name string, val string) error

Write writes the given sysctl parameter.

func WriteInt ¶

func WriteInt(name string, val int64) error

WriteInt writes the given integer type sysctl parameter.

Types ¶

type ErrInvalidSysctlParameter ¶

type ErrInvalidSysctlParameter string

An ErrInvalidSysctlParameter is returned when a parameter is invalid.

func (ErrInvalidSysctlParameter) Error ¶

func (e ErrInvalidSysctlParameter) Error() string

type Setting ¶

type Setting struct {
	Name      string
	Val       string
	IgnoreErr bool

	// Warn if non-empty is the alternative warning log message to use when IgnoreErr is false.
	Warn string
}

Setting represents a sysctl setting. Its purpose it to be able to iterate over a slice of settings.

Source Files ¶

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