sysctl

package

v1.10.0 Latest Latest Go to latest Published: Mar 23, 2018 License: Apache-2.0 Imports: 7 Imported by: 0

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Repository

github.com/appscode/kubernetes

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Documentation ¶

Index ¶

Constants
func NewRuntimeAdmitHandler(runtime container.Runtime) (*runtimeAdmitHandler, error)
func NewWhitelist(patterns []string, annotationKey string) (*patternWhitelist, error)
func SafeSysctlWhitelist() []string
type Namespace
- func NamespacedBy(val string) Namespace

Constants ¶

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const (
	// the Linux IPC namespace
	IpcNamespace = Namespace("ipc")

	// the network namespace
	NetNamespace = Namespace("net")

	// the zero value if no namespace is known
	UnknownNamespace = Namespace("")
)

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const (
	AnnotationInvalidReason = "InvalidSysctlAnnotation"
	ForbiddenReason         = "SysctlForbidden"
)

View Source

const (
	UnsupportedReason = "SysctlUnsupported"
)

Variables ¶

This section is empty.

Functions ¶

func NewRuntimeAdmitHandler ¶

func NewRuntimeAdmitHandler(runtime container.Runtime) (*runtimeAdmitHandler, error)

NewRuntimeAdmitHandler returns a sysctlRuntimeAdmitHandler which checks whether the given runtime support sysctls.

func NewWhitelist ¶

func NewWhitelist(patterns []string, annotationKey string) (*patternWhitelist, error)

NewWhitelist creates a new Whitelist from a list of sysctls and sysctl pattern (ending in *).

func SafeSysctlWhitelist ¶

func SafeSysctlWhitelist() []string

SafeSysctlWhitelist returns the whitelist of safe sysctls and safe sysctl patterns (ending in *).

A sysctl is called safe iff - it is namespaced in the container or the pod - it is isolated, i.e. has no influence on any other pod on the same node.

Types ¶

type Namespace ¶

type Namespace string

Namespace represents a kernel namespace name.

func NamespacedBy ¶

func NamespacedBy(val string) Namespace

NamespacedBy returns the namespace of the Linux kernel for a sysctl, or UnknownNamespace if the sysctl is not known to be namespaced.

Source Files ¶

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