mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-04 04:08:16 +00:00
86 lines
2.9 KiB
Go
86 lines
2.9 KiB
Go
/*
|
|
Copyright 2015 The Kubernetes Authors.
|
|
|
|
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"
|
|
|
|
"k8s.io/api/core/v1"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
)
|
|
|
|
// ProxyProvider is the interface provided by proxier implementations.
|
|
type ProxyProvider interface {
|
|
// Sync immediately synchronizes the ProxyProvider's current state to proxy rules.
|
|
Sync()
|
|
// SyncLoop runs periodic work.
|
|
// This is expected to run as a goroutine or as the main loop of the app.
|
|
// It does not return.
|
|
SyncLoop()
|
|
}
|
|
|
|
// ServicePortName carries a namespace + name + portname. This is the unique
|
|
// identifier 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)
|
|
}
|
|
|
|
// ServicePort is an interface which abstracts information about a service.
|
|
type ServicePort interface {
|
|
// String returns service string. An example format can be: `IP:Port/Protocol`.
|
|
String() string
|
|
// ClusterIPString returns service cluster IP in string format.
|
|
ClusterIPString() string
|
|
// ExternalIPStrings returns service ExternalIPs as a string array.
|
|
ExternalIPStrings() []string
|
|
// LoadBalancerIPStrings returns service LoadBalancerIPs as a string array.
|
|
LoadBalancerIPStrings() []string
|
|
// GetProtocol returns service protocol.
|
|
GetProtocol() v1.Protocol
|
|
// GetHealthCheckNodePort returns service health check node port if present. If return 0, it means not present.
|
|
GetHealthCheckNodePort() int
|
|
// GetNodePort returns a service Node port if present. If return 0, it means not present.
|
|
GetNodePort() int
|
|
}
|
|
|
|
// Endpoint in an interface which abstracts information about an endpoint.
|
|
// TODO: Rename functions to be consistent with ServicePort.
|
|
type Endpoint interface {
|
|
// String returns endpoint string. An example format can be: `IP:Port`.
|
|
// We take the returned value as ServiceEndpoint.Endpoint.
|
|
String() string
|
|
// GetIsLocal returns true if the endpoint is running in same host as kube-proxy, otherwise returns false.
|
|
GetIsLocal() bool
|
|
// IP returns IP part of the endpoint.
|
|
IP() string
|
|
// Port returns the Port part of the endpoint.
|
|
Port() (int, error)
|
|
// Equal checks if two endpoints are equal.
|
|
Equal(Endpoint) bool
|
|
}
|
|
|
|
// ServiceEndpoint is used to identify a service and one of its endpoint pair.
|
|
type ServiceEndpoint struct {
|
|
Endpoint string
|
|
ServicePortName ServicePortName
|
|
}
|