winuserspace

package
v1.10.6-lite1 Latest Latest
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Published: Aug 5, 2018 License: Apache-2.0 Imports: 22 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	ErrMissingServiceEntry = errors.New("missing service entry")
	ErrMissingEndpoints    = errors.New("missing endpoints")
)
View Source
var (
	// ErrProxyOnLocalhost is returned by NewProxier if the user requests a proxier on
	// the loopback address. May be checked for by callers of NewProxier to know whether
	// the caller provided invalid input.
	ErrProxyOnLocalhost = fmt.Errorf("cannot proxy on localhost")
)

Functions

This section is empty.

Types

type LoadBalancer

type LoadBalancer interface {
	// NextEndpoint returns the endpoint to handle a request for the given
	// service-port and source address.
	NextEndpoint(service proxy.ServicePortName, srcAddr net.Addr, sessionAffinityReset bool) (string, error)
	NewService(service proxy.ServicePortName, sessionAffinityType api.ServiceAffinity, stickyMaxAgeMinutes int) error
	DeleteService(service proxy.ServicePortName)
	CleanupStaleStickySessions(service proxy.ServicePortName)
}

LoadBalancer is an interface for distributing incoming requests to service endpoints.

type LoadBalancerRR

type LoadBalancerRR struct {
	// contains filtered or unexported fields
}

LoadBalancerRR is a round-robin load balancer.

func NewLoadBalancerRR

func NewLoadBalancerRR() *LoadBalancerRR

NewLoadBalancerRR returns a new LoadBalancerRR.

func (*LoadBalancerRR) CleanupStaleStickySessions

func (lb *LoadBalancerRR) CleanupStaleStickySessions(svcPort proxy.ServicePortName)

func (*LoadBalancerRR) DeleteService

func (lb *LoadBalancerRR) DeleteService(svcPort proxy.ServicePortName)

func (*LoadBalancerRR) NewService

func (lb *LoadBalancerRR) NewService(svcPort proxy.ServicePortName, affinityType api.ServiceAffinity, ttlSeconds int) error

func (*LoadBalancerRR) NextEndpoint

func (lb *LoadBalancerRR) NextEndpoint(svcPort proxy.ServicePortName, srcAddr net.Addr, sessionAffinityReset bool) (string, error)

NextEndpoint returns a service endpoint. The service endpoint is chosen using the round-robin algorithm.

func (*LoadBalancerRR) OnEndpointsAdd

func (lb *LoadBalancerRR) OnEndpointsAdd(endpoints *api.Endpoints)

func (*LoadBalancerRR) OnEndpointsDelete

func (lb *LoadBalancerRR) OnEndpointsDelete(endpoints *api.Endpoints)

func (*LoadBalancerRR) OnEndpointsSynced

func (lb *LoadBalancerRR) OnEndpointsSynced()

func (*LoadBalancerRR) OnEndpointsUpdate

func (lb *LoadBalancerRR) OnEndpointsUpdate(oldEndpoints, endpoints *api.Endpoints)

type Proxier

type Proxier struct {
	// contains filtered or unexported fields
}

Proxier is a simple proxy for TCP connections between a localhost:lport and services that provide the actual implementations.

func NewProxier

func NewProxier(loadBalancer LoadBalancer, listenIP net.IP, netsh netsh.Interface, pr utilnet.PortRange, syncPeriod, udpIdleTimeout time.Duration) (*Proxier, error)

NewProxier returns a new Proxier given a LoadBalancer and an address on which to listen. It is assumed that there is only a single Proxier active on a machine. An error will be returned if the proxier cannot be started due to an invalid ListenIP (loopback)

func (*Proxier) OnServiceAdd

func (proxier *Proxier) OnServiceAdd(service *api.Service)

func (*Proxier) OnServiceDelete

func (proxier *Proxier) OnServiceDelete(service *api.Service)

func (*Proxier) OnServiceSynced

func (proxier *Proxier) OnServiceSynced()

func (*Proxier) OnServiceUpdate

func (proxier *Proxier) OnServiceUpdate(oldService, service *api.Service)

func (*Proxier) Sync

func (proxier *Proxier) Sync()

Sync is called to immediately synchronize the proxier state

func (*Proxier) SyncLoop

func (proxier *Proxier) SyncLoop()

SyncLoop runs periodic work. This is expected to run as a goroutine or as the main loop of the app. It does not return.

type ServicePortPortalName

type ServicePortPortalName struct {
	types.NamespacedName
	Port         string
	PortalIPName string
}

ServicePortPortalName carries a namespace + name + portname + portalip. This is the unique identifier for a windows service port portal.

func (ServicePortPortalName) String

func (spn ServicePortPortalName) String() string

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