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Convert /128 addresses to /64 again #42

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Jan 16, 2020
Merged

Convert /128 addresses to /64 again #42

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8 changes: 7 additions & 1 deletion pkg/config/net.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ package config
import (
"fmt"
"net"
"strings"
)

func getInterfaceAndNonVIPAddr(vips []net.IP) (vipIface net.Interface, nonVipAddr *net.IPNet, err error) {
Expand All @@ -27,7 +28,12 @@ func getInterfaceAndNonVIPAddr(vips []net.IP) (vipIface net.Interface, nonVipAdd
if _, ok := vipMap[n.IP.String()]; ok {
continue // This is a VIP, let's skip
}
if n.Contains(vips[0]) {
// FIXME: Breaks if more then one interface on the host has the same prefix
// DHCPv6 assigns addresses with a /128 if encountered assume /64
// so that the n.Contains returns true if the VIP has the same prefix
_, nn, _ := net.ParseCIDR(strings.Replace(addr.String(), "/128", "/64", 1))

if nn.Contains(vips[0]) {
return iface, n, err
}
default:
Expand Down