4b40299133
NFTables proxy will now drop traffic directed towards unallocated ClusterIPs and reject traffic directed towards invalid ports of Cluster IPs. Signed-off-by: Daman Arora <aroradaman@gmail.com>
66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package proxy
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import (
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"fmt"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/kubernetes/pkg/proxy/config"
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)
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// Provider is the interface provided by proxier implementations.
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type Provider interface {
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config.EndpointSliceHandler
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config.ServiceHandler
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config.NodeHandler
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config.ServiceCIDRHandler
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// Sync immediately synchronizes the Provider's current state to proxy rules.
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Sync()
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// SyncLoop runs periodic work.
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// This is expected to run as a goroutine or as the main loop of the app.
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// It does not return.
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SyncLoop()
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}
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// ServicePortName carries a namespace + name + portname. This is the unique
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// identifier for a load-balanced service.
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type ServicePortName struct {
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types.NamespacedName
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Port string
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Protocol v1.Protocol
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}
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func (spn ServicePortName) String() string {
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return fmt.Sprintf("%s%s", spn.NamespacedName.String(), fmtPortName(spn.Port))
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}
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func fmtPortName(in string) string {
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if in == "" {
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return ""
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}
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return fmt.Sprintf(":%s", in)
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}
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// ServiceEndpoint is used to identify a service and one of its endpoint pair.
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type ServiceEndpoint struct {
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Endpoint string
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ServicePortName ServicePortName
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}
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