mirror of https://github.com/k3s-io/k3s
46 lines
1.5 KiB
Go
46 lines
1.5 KiB
Go
/*
|
|
Copyright 2014 The Kubernetes Authors All rights reserved.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package proxy
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
|
|
"github.com/GoogleCloudPlatform/kubernetes/pkg/types"
|
|
)
|
|
|
|
// LoadBalancer is an interface for distributing incoming requests to service endpoints.
|
|
type LoadBalancer interface {
|
|
// NextEndpoint returns the endpoint to handle a request for the given
|
|
// service-port and source address.
|
|
NextEndpoint(service ServicePortName, srcAddr net.Addr) (string, error)
|
|
NewService(service ServicePortName, sessionAffinityType api.ServiceAffinity, stickyMaxAgeMinutes int) error
|
|
CleanupStaleStickySessions(service ServicePortName)
|
|
}
|
|
|
|
// ServicePortName carries a namespace + name + portname. This is the unique
|
|
// identfier for a load-balanced service.
|
|
type ServicePortName struct {
|
|
types.NamespacedName
|
|
Port string
|
|
}
|
|
|
|
func (spn ServicePortName) String() string {
|
|
return fmt.Sprintf("%s:%s", spn.NamespacedName.String(), spn.Port)
|
|
}
|