sysctl

package
v1.13.5-k3s.1 Latest Latest
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Published: Mar 28, 2019 License: Apache-2.0 Imports: 4 Imported by: 0

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Constants

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const (
	VmOvercommitMemory = "vm/overcommit_memory"
	VmPanicOnOOM       = "vm/panic_on_oom"
	KernelPanic        = "kernel/panic"
	KernelPanicOnOops  = "kernel/panic_on_oops"
	RootMaxKeys        = "kernel/keys/root_maxkeys"
	RootMaxBytes       = "kernel/keys/root_maxbytes"

	VmOvercommitMemoryAlways    = 1 // kernel performs no memory over-commit handling
	VmPanicOnOOMInvokeOOMKiller = 0 // kernel calls the oom_killer function when OOM occurs

	KernelPanicOnOopsAlways  = 1  // kernel panics on kernel oops
	KernelPanicRebootTimeout = 10 // seconds after a panic for the kernel to reboot

	RootMaxKeysSetting  = 1000000                 // Needed since docker creates a new key per container
	RootMaxBytesSetting = RootMaxKeysSetting * 25 // allocate 25 bytes per key * number of MaxKeys
)

Variables

This section is empty.

Functions

This section is empty.

Types

type Interface

type Interface interface {
	// GetSysctl returns the value for the specified sysctl setting
	GetSysctl(sysctl string) (int, error)
	// SetSysctl modifies the specified sysctl flag to the new value
	SetSysctl(sysctl string, newVal int) error
}

An injectable interface for running sysctl commands.

func New

func New() Interface

New returns a new Interface for accessing sysctl

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