sdn

Documentation

Overview

Package sdn provides OpenShift-internal SDN-related APIs

Index

• Constants
• Variables
• func DeleteChangePodNetworkAnnotation(netns *sdnapi.NetNamespace)
• func IsOpenShiftMultitenantNetworkPlugin(pluginName string) bool
• func IsOpenShiftNetworkPlugin(pluginName string) bool
• func SetChangePodNetworkAnnotation(netns *sdnapi.NetNamespace, action PodNetworkAction, params string)
• func ValidVNID(vnid uint32) error
• type NodeInterface
• type PodNetworkAction
  • func GetChangePodNetworkAnnotation(netns *sdnapi.NetNamespace) (PodNetworkAction, string, error)
• type ProxyInterface

Constants

const (
	// Maximum VXLAN Virtual Network Identifier(VNID) as per RFC#7348
	MaxVNID = uint32((1 << 24) - 1)
	// VNID: 1 to 9 are internally reserved for any special cases in the future
	MinVNID = uint32(10)
	// VNID: 0 reserved for default namespace and can reach any network in the cluster
	GlobalVNID = uint32(0)

	// ChangePodNetworkAnnotation is an annotation on NetNamespace to request change of pod network
	ChangePodNetworkAnnotation string = "pod.network.openshift.io/multitenant.change-network"

	// Acceptable values for ChangePodNetworkAnnotation
	GlobalPodNetwork  PodNetworkAction = "global"
	JoinPodNetwork    PodNetworkAction = "join"
	IsolatePodNetwork PodNetworkAction = "isolate"
)

const (
	SingleTenantPluginName  = "redhat/openshift-ovs-subnet"
	MultiTenantPluginName   = "redhat/openshift-ovs-multitenant"
	NetworkPolicyPluginName = "redhat/openshift-ovs-networkpolicy"
)

Variables

var (
	ErrorPodNetworkAnnotationNotFound = fmt.Errorf("ChangePodNetworkAnnotation not found")
)

Functions

func DeleteChangePodNetworkAnnotation

func DeleteChangePodNetworkAnnotation(netns *sdnapi.NetNamespace)

DeleteChangePodNetworkAnnotation removes network change intent from NetNamespace

func IsOpenShiftMultitenantNetworkPlugin

func IsOpenShiftMultitenantNetworkPlugin(pluginName string) bool

func IsOpenShiftNetworkPlugin

func IsOpenShiftNetworkPlugin(pluginName string) bool

func SetChangePodNetworkAnnotation

func SetChangePodNetworkAnnotation(netns *sdnapi.NetNamespace, action PodNetworkAction, params string)

SetChangePodNetworkAnnotation sets network change intent on NetNamespace

func ValidVNID

func ValidVNID(vnid uint32) error

Check if the given vnid is valid or not

Types

type NodeInterface

type NodeInterface interface {
	Start() error
}

type PodNetworkAction

type PodNetworkAction string

func GetChangePodNetworkAnnotation

func GetChangePodNetworkAnnotation(netns *sdnapi.NetNamespace) (PodNetworkAction, string, error)

GetChangePodNetworkAnnotation fetches network change intent from NetNamespace

type ProxyInterface

type ProxyInterface interface {
	proxyconfig.EndpointsHandler

	Start(proxyconfig.EndpointsHandler) error
}