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Merge pull request #19254 from aboch/v6b 

Account docker0 IPv6 address on daemon start
This commit is contained in:
Alexander Morozov 2016-01-13 09:48:41 -08:00
parent ba15b6f049 cfa3682ca4
commit 7ea65da7ef
1 changed files with 21 additions and 10 deletions
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31
daemon/daemon_unix.go
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@ -556,12 +556,16 @@ func initBridgeDriver(controller libnetwork.NetworkController, config *Config) e
netOption[bridge.DefaultBindingIP] = config.Bridge.DefaultIP.String()
}
ipamV4Conf := libnetwork.IpamConf{}
var (
ipamV4Conf *libnetwork.IpamConf
ipamV6Conf *libnetwork.IpamConf
)
ipamV4Conf.AuxAddresses = make(map[string]string)
ipamV4Conf = &libnetwork.IpamConf{AuxAddresses: make(map[string]string)}
if nw, _, err := ipamutils.ElectInterfaceAddresses(bridgeName); err == nil {
ipamV4Conf.PreferredPool = nw.String()
nw, nw6List, err := ipamutils.ElectInterfaceAddresses(bridgeName)
if err == nil {
ipamV4Conf.PreferredPool = types.GetIPNetCanonical(nw).String()
hip, _ := types.GetHostPartIP(nw.IP, nw.Mask)
if hip.IsGlobalUnicast() {
ipamV4Conf.Gateway = nw.IP.String()
@ -592,10 +596,7 @@ func initBridgeDriver(controller libnetwork.NetworkController, config *Config) e
ipamV4Conf.AuxAddresses["DefaultGatewayIPv4"] = config.Bridge.DefaultGatewayIPv4.String()
}
var (
ipamV6Conf *libnetwork.IpamConf
deferIPv6Alloc bool
)
var deferIPv6Alloc bool
if config.Bridge.FixedCIDRv6 != "" {
_, fCIDRv6, err := net.ParseCIDR(config.Bridge.FixedCIDRv6)
if err != nil {
@ -615,6 +616,16 @@ func initBridgeDriver(controller libnetwork.NetworkController, config *Config) e
ipamV6Conf = &libnetwork.IpamConf{AuxAddresses: make(map[string]string)}
}
ipamV6Conf.PreferredPool = fCIDRv6.String()
// In case the --fixed-cidr-v6 is specified and the current docker0 bridge IPv6
// address belongs to the same network, we need to inform libnetwork about it, so
// that it can be reserved with IPAM and it will not be given away to somebody else
for _, nw6 := range nw6List {
if fCIDRv6.Contains(nw6.IP) {
ipamV6Conf.Gateway = nw6.IP.String()
break
}
}
}
if config.Bridge.DefaultGatewayIPv6 != nil {
@ -624,13 +635,13 @@ func initBridgeDriver(controller libnetwork.NetworkController, config *Config) e
ipamV6Conf.AuxAddresses["DefaultGatewayIPv6"] = config.Bridge.DefaultGatewayIPv6.String()
}
v4Conf := []*libnetwork.IpamConf{&ipamV4Conf}
v4Conf := []*libnetwork.IpamConf{ipamV4Conf}
v6Conf := []*libnetwork.IpamConf{}
if ipamV6Conf != nil {
v6Conf = append(v6Conf, ipamV6Conf)
}
// Initialize default network on "bridge" with the same name
_, err := controller.NewNetwork("bridge", "bridge",
_, err = controller.NewNetwork("bridge", "bridge",
libnetwork.NetworkOptionGeneric(options.Generic{
netlabel.GenericData: netOption,
netlabel.EnableIPv6: config.Bridge.EnableIPv6,