Version: v1.14.0 Latest Latest

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Published: Mar 21, 2019 License: Apache-2.0 Imports: 18 Imported by: 0




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func NewFakeIPTables

func NewFakeIPTables() *fakeIPTables


type HostPortManager

type HostPortManager interface {
	// Add implements port mappings.
	// id should be a unique identifier for a pod, e.g. podSandboxID.
	// podPortMapping is the associated port mapping information for the pod.
	// natInterfaceName is the interface that localhost used to talk to the given pod.
	Add(id string, podPortMapping *PodPortMapping, natInterfaceName string) error
	// Remove cleans up matching port mappings
	// Remove must be able to clean up port mappings without pod IP
	Remove(id string, podPortMapping *PodPortMapping) error

HostPortManager is an interface for adding and removing hostport for a given pod sandbox.

func NewHostportManager

func NewHostportManager(iptables utiliptables.Interface) HostPortManager

type HostportSyncer

type HostportSyncer interface {
	// SyncHostports gathers all hostports on node and setup iptables rules to enable them.
	// On each invocation existing ports are synced and stale rules are deleted.
	SyncHostports(natInterfaceName string, activePodPortMappings []*PodPortMapping) error
	// OpenPodHostportsAndSync opens hostports for a new PodPortMapping, gathers all hostports on
	// node, sets up iptables rules enable them. On each invocation existing ports are synced and stale rules are deleted.
	// 'newPortMapping' must also be present in 'activePodPortMappings'.
	OpenPodHostportsAndSync(newPortMapping *PodPortMapping, natInterfaceName string, activePodPortMappings []*PodPortMapping) error

HostportSyncer takes a list of PodPortMappings and implements hostport all at once

func NewHostportSyncer

func NewHostportSyncer(iptables utiliptables.Interface) HostportSyncer

type PodPortMapping

type PodPortMapping struct {
	Namespace    string
	Name         string
	PortMappings []*PortMapping
	HostNetwork  bool
	IP           net.IP

PodPortMapping represents a pod's network state and associated container port mappings

type PortMapping

type PortMapping struct {
	Name          string
	HostPort      int32
	ContainerPort int32
	Protocol      v1.Protocol
	HostIP        string

PortMapping represents a network port in a container


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