338d148c78
* fix external ns records * use k8s service name for ns record * update test, add func comment * expand nsAddrs() test cases * support local ipv6 ip * use less confusing pod ip in test
45 lines
858 B
Go
45 lines
858 B
Go
package kubernetes
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import (
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"net"
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)
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func localPodIP() net.IP {
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return nil
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}
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for _, addr := range addrs {
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ip, _, _ := net.ParseCIDR(addr.String())
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ip4 := ip.To4()
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if ip4 != nil && !ip4.IsLoopback() {
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return ip4
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}
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ip6 := ip.To16()
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if ip6 != nil && !ip6.IsLoopback() {
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return ip6
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}
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}
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return nil
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}
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// LocalNodeName is exclusively used in federation plugin, will be deprecated later.
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func (k *Kubernetes) LocalNodeName() string {
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localIP := k.interfaceAddrsFunc()
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if localIP == nil {
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return ""
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}
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// Find endpoint matching localIP
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for _, ep := range k.APIConn.EpIndexReverse(localIP.String()) {
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for _, eps := range ep.Subsets {
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for _, addr := range eps.Addresses {
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if localIP.Equal(net.ParseIP(addr.IP)) {
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return addr.NodeName
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}
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}
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}
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}
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return ""
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}
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