Make networking code reusable

To prevent code duplication when creating new network backends move
reusable code into a separate internal package.

This allows all network backends to use the same code as long as they
implement the new NetUtil interface.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

1 files changed, 0 insertions, 52 deletions

diff --git a/libpod/network/util/ip_test.go b/libpod/network/util/ip_test.go
index c26ad140a..63ac555f0 100644
--- a/libpod/network/util/ip_test.go
+++ b/libpod/network/util/ip_test.go
@@ -1,9 +1,7 @@
 package util
 
 import (
-	"fmt"
 	"net"
-	"reflect"
 	"testing"
 )
 
@@ -12,34 +10,6 @@ func parseCIDR(n string) *net.IPNet {
 	return parsedNet
 }
 
-func TestNextSubnet(t *testing.T) {
-	type args struct {
-		subnet *net.IPNet
-	}
-	tests := []struct {
-		name    string
-		args    args
-		want    *net.IPNet
-		wantErr bool
-	}{
-		{"class b", args{subnet: parseCIDR("192.168.0.0/16")}, parseCIDR("192.169.0.0/16"), false},
-		{"class c", args{subnet: parseCIDR("192.168.1.0/24")}, parseCIDR("192.168.2.0/24"), false},
-	}
-	for _, tt := range tests {
-		test := tt
-		t.Run(test.name, func(t *testing.T) {
-			got, err := NextSubnet(test.args.subnet)
-			if (err != nil) != test.wantErr {
-				t.Errorf("NextSubnet() error = %v, wantErr %v", err, test.wantErr)
-				return
-			}
-			if !reflect.DeepEqual(got, test.want) {
-				t.Errorf("NextSubnet() got = %v, want %v", got, test.want)
-			}
-		})
-	}
-}
-
 func TestFirstIPInSubnet(t *testing.T) {
 	tests := []struct {
 		name    string
@@ -101,25 +71,3 @@ func TestLastIPInSubnet(t *testing.T) {
 		})
 	}
 }
-
-func TestGetRandomIPv6Subnet(t *testing.T) {
-	for i := 0; i < 1000; i++ {
-		t.Run(fmt.Sprintf("GetRandomIPv6Subnet %d", i), func(t *testing.T) {
-			sub, err := GetRandomIPv6Subnet()
-			if err != nil {
-				t.Errorf("GetRandomIPv6Subnet() error should be nil: %v", err)
-				return
-			}
-			if sub.IP.To4() != nil {
-				t.Errorf("ip %s is not an ipv6 address", sub.IP)
-			}
-			if sub.IP[0] != 0xfd {
-				t.Errorf("ipv6 %s does not start with fd", sub.IP)
-			}
-			ones, bytes := sub.Mask.Size()
-			if ones != 64 || bytes != 128 {
-				t.Errorf("wrong network mask %v, it should be /64", sub.Mask)
-			}
-		})
-	}
-}