58 lines
1.6 KiB
Go
58 lines
1.6 KiB
Go
/*
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Copyright 2017 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 util
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import (
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"net"
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"k8s.io/apimachinery/pkg/types"
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api "k8s.io/kubernetes/pkg/apis/core"
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"k8s.io/kubernetes/pkg/apis/core/helper"
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"github.com/golang/glog"
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)
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func IsLocalIP(ip string) (bool, error) {
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return false, err
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}
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for i := range addrs {
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intf, _, err := net.ParseCIDR(addrs[i].String())
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if err != nil {
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return false, err
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}
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if net.ParseIP(ip).Equal(intf) {
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return true, nil
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}
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}
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return false, nil
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}
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func ShouldSkipService(svcName types.NamespacedName, service *api.Service) bool {
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// if ClusterIP is "None" or empty, skip proxying
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if !helper.IsServiceIPSet(service) {
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glog.V(3).Infof("Skipping service %s due to clusterIP = %q", svcName, service.Spec.ClusterIP)
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return true
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}
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// Even if ClusterIP is set, ServiceTypeExternalName services don't get proxied
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if service.Spec.Type == api.ServiceTypeExternalName {
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glog.V(3).Infof("Skipping service %s due to Type=ExternalName", svcName)
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return true
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}
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return false
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}
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