Handle error case when fixed-cidr-ipv6 is empty
When IPv6 is enabled, make sure fixed-cidr-ipv6 is set
by the user since there is no default IPv6 local subnet
in the IPAM
@@ -1018,7 +1018,9 @@ func initBridgeDriver(controller libnetwork.NetworkController, config *config.Co
ipamV6Conf *libnetwork.IpamConf
)
- if config.BridgeConfig.FixedCIDRv6 != "" {
+ if config.BridgeConfig.EnableIPv6 && config.BridgeConfig.FixedCIDRv6 == "" {
+ return errdefs.InvalidParameter(errors.New("IPv6 is enabled for the default bridge, but no subnet is configured. Specify an IPv6 subnet using --fixed-cidr-v6"))
+ } else if config.BridgeConfig.FixedCIDRv6 != "" {
_, fCIDRv6, err := net.ParseCIDR(config.BridgeConfig.FixedCIDRv6)
if err != nil {
return err
