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Fixes NodePort in ipv6 with proxy-mode=ipvs. #68437 

Use ipv6 addresses for NodePort with proxy-mode=ipvs in a
ipv6-only cluster.
pull/564/head
Lars Ekman 2018-11-14 12:27:59 +01:00
parent a44c2b9eeb
commit e2409a054b
2 changed files with 11 additions and 6 deletions
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11
pkg/proxy/ipvs/netlink_linux.go
View File

@ -30,11 +30,12 @@ import (
type netlinkHandle struct {
netlink.Handle
ipv6 bool
}
// NewNetLinkHandle will crate a new NetLinkHandle
func NewNetLinkHandle() NetLinkHandle {
return &netlinkHandle{netlink.Handle{}}
func NewNetLinkHandle(ipv6 bool) NetLinkHandle {
return &netlinkHandle{netlink.Handle{}, ipv6}
}
// EnsureAddressBind checks if address is bound to the interface and, if not, binds it. If the address is already bound, return true.
@ -181,7 +182,11 @@ func (h *netlinkHandle) GetLocalAddresses(dev, filterDev string) (sets.String, e
if route.LinkIndex == filterLinkIndex {
continue
}
if route.Src != nil {
if h.ipv6 {
if route.Dst.IP.To4() == nil && ! route.Dst.IP.IsLinkLocalUnicast() {
res.Insert(route.Dst.IP.String())
}
} else if route.Src != nil {
res.Insert(route.Src.String())
}
}

6
pkg/proxy/ipvs/proxier.go
View File

@ -382,14 +382,14 @@ func NewProxier(ipt utiliptables.Interface,
healthzServer: healthzServer,
ipvs: ipvs,
ipvsScheduler: scheduler,
ipGetter: &realIPGetter{nl: NewNetLinkHandle()},
ipGetter: &realIPGetter{nl: NewNetLinkHandle(nodeIP.To4() == nil)},
iptablesData: bytes.NewBuffer(nil),
filterChainsData: bytes.NewBuffer(nil),
natChains: bytes.NewBuffer(nil),
natRules: bytes.NewBuffer(nil),
filterChains: bytes.NewBuffer(nil),
filterRules: bytes.NewBuffer(nil),
netlinkHandle: NewNetLinkHandle(),
netlinkHandle: NewNetLinkHandle(nodeIP.To4() == nil),
ipset: ipset,
nodePortAddresses: nodePortAddresses,
networkInterfacer: utilproxy.RealNetwork{},
@ -576,7 +576,7 @@ func CleanupLeftovers(ipvs utilipvs.Interface, ipt utiliptables.Interface, ipset
}
}
// Delete dummy interface created by ipvs Proxier.
nl := NewNetLinkHandle()
nl := NewNetLinkHandle(false)
err := nl.DeleteDummyDevice(DefaultDummyDevice)
if err != nil {
klog.Errorf("Error deleting dummy device %s created by IPVS proxier: %v", DefaultDummyDevice, err)