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Ipvlan internal network should not change gw

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Since docker container can be connected to combination of several
internal and external networks change of default gateway of the internal
ones breaks communication via the external ones.

This fixes only ipvlan network type

Signed-off-by: Pavel Matěja <pavel@verotel.cz>
This commit is contained in:
Pavel Matěja 2020-02-20 17:39:19 +00:00
parent 66a82d7268
commit 76bccc5ad4
1 changed files with 62 additions and 51 deletions
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11
libnetwork/drivers/ipvlan/ipvlan_joinleave.go
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@ -50,6 +50,7 @@ func (d *driver) Join(nid, eid string, sboxKey string, jinfo driverapi.JoinInfo,
if ep == nil {
return fmt.Errorf("could not find endpoint with id %s", eid)
}
if !n.config.Internal {
if n.config.IpvlanMode == modeL3 {
// disable gateway services to add a default gw using dev eth0 only
jinfo.DisableGatewayService()
@ -111,6 +112,16 @@ func (d *driver) Join(nid, eid string, sboxKey string, jinfo driverapi.JoinInfo,
ep.addrv6.IP.String(), v6gw.String(), n.config.IpvlanMode, n.config.Parent)
}
}
} else {
if len(n.config.Ipv4Subnets) > 0 {
logrus.Debugf("Ipvlan Endpoint Joined with IPv4_Addr: %s, IpVlan_Mode: %s, Parent: %s",
ep.addr.IP.String(), n.config.IpvlanMode, n.config.Parent)
}
if len(n.config.Ipv6Subnets) > 0 {
logrus.Debugf("Ipvlan Endpoint Joined with IPv6_Addr: %s IpVlan_Mode: %s, Parent: %s",
ep.addrv6.IP.String(), n.config.IpvlanMode, n.config.Parent)
}
}
iNames := jinfo.InterfaceName()
err = iNames.SetNames(vethName, containerVethPrefix)
if err != nil {