ignore docker interfaces in default private IP determination

CyCoreSystems · Jul 23, 2018 · 382d9ed · 382d9ed
1 parent c20ac3a
commit 382d9ed
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/discover/discover.go b/discover/discover.go
@@ -207,13 +207,20 @@ func defaultPublicIPv6() (net.IP, error) {
 	return ip, nil
 }
 
+// nolint: gocyclo
 func defaultPrivateIPv4() (net.IP, error) {
 	netifs, err := net.Interfaces()
 	if err != nil {
 		return nil, fmt.Errorf("failed to get list of local interfaces: %v", err)
 	}
 
 	for _, i := range netifs {
+
+		// Skip docker interfaces
+		if strings.HasPrefix(i.Name, "docker") {
+			continue
+		}
+
 		addresses, err := i.Addrs()
 		if err != nil {
 			continue // next interface