Fix #1191: Ignore yggdrasil IP as public subnets (#1200)

Signed-off-by: Lee Smet <lee.smet@hotmail.com>
threefoldtech · Feb 25, 2021 · 1fe6b18 · 1fe6b18
1 parent 28f74c9
commit 1fe6b18
Showing 1 changed file with 10 additions and 1 deletion.
diff --git a/pkg/network/networker.go b/pkg/network/networker.go
@@ -512,7 +512,7 @@ func (n *networker) GetPublicIPv6Subnet() (net.IPNet, error) {
 	}
 
 	for _, addr := range addrs {
-		if addr.IP.IsGlobalUnicast() && !isULA(addr.IP) {
+		if addr.IP.IsGlobalUnicast() && !isULA(addr.IP) && !isYgg(addr.IP) {
 			return addr, nil
 		}
 	}
@@ -1088,3 +1088,12 @@ var ulaPrefix = net.IPNet{
 func isULA(ip net.IP) bool {
 	return ulaPrefix.Contains(ip)
 }
+
+var yggPrefix = net.IPNet{
+	IP:   net.ParseIP("200::"),
+	Mask: net.CIDRMask(7, 128),
+}
+
+func isYgg(ip net.IP) bool {
+	return yggPrefix.Contains(ip)
+}