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types.go
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types.go
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/*
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"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/proxy/config"
)
// Provider is the interface provided by proxier implementations.
type Provider interface {
config.EndpointSliceHandler
config.ServiceHandler
config.NodeHandler
config.ServiceCIDRHandler
// Sync immediately synchronizes the Provider'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
Protocol v1.Protocol
}
func (spn ServicePortName) String() string {
return fmt.Sprintf("%s%s", spn.NamespacedName.String(), fmtPortName(spn.Port))
}
func fmtPortName(in string) string {
if in == "" {
return ""
}
return fmt.Sprintf(":%s", in)
}
// ServiceEndpoint is used to identify a service and one of its endpoint pair.
type ServiceEndpoint struct {
Endpoint string
ServicePortName ServicePortName
}