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Merge pull request #74341 from paulsubrata55/kube_proxy_sctp_fix

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Issue in kube-proxy when IPVS is enabled and SCTP traffic is sent.
This commit is contained in:
Kubernetes Prow Robot 2019-03-26 12:33:33 -07:00 committed by GitHub
commit 29566d0a65
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1 changed files with 22 additions and 10 deletions
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32
pkg/proxy/ipvs/proxier.go
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@ -127,8 +127,8 @@ var ipsetInfo = []struct {
{kubeNodePortLocalSetTCP, utilipset.BitmapPort, kubeNodePortLocalSetTCPComment},
{kubeNodePortSetUDP, utilipset.BitmapPort, kubeNodePortSetUDPComment},
{kubeNodePortLocalSetUDP, utilipset.BitmapPort, kubeNodePortLocalSetUDPComment},
{kubeNodePortSetSCTP, utilipset.BitmapPort, kubeNodePortSetSCTPComment},
{kubeNodePortLocalSetSCTP, utilipset.BitmapPort, kubeNodePortLocalSetSCTPComment},
{kubeNodePortSetSCTP, utilipset.HashIPPort, kubeNodePortSetSCTPComment},
{kubeNodePortLocalSetSCTP, utilipset.HashIPPort, kubeNodePortLocalSetSCTPComment},
}
// ipsetWithIptablesChain is the ipsets list with iptables source chain and the chain jump to
@ -153,8 +153,8 @@ var ipsetWithIptablesChain = []struct {
{kubeNodePortSetTCP, string(KubeNodePortChain), string(KubeMarkMasqChain), "dst", "tcp"},
{kubeNodePortLocalSetUDP, string(KubeNodePortChain), "RETURN", "dst", "udp"},
{kubeNodePortSetUDP, string(KubeNodePortChain), string(KubeMarkMasqChain), "dst", "udp"},
{kubeNodePortSetSCTP, string(kubeServicesChain), string(KubeNodePortChain), "dst", "sctp"},
{kubeNodePortLocalSetSCTP, string(KubeNodePortChain), "RETURN", "dst", "sctp"},
{kubeNodePortSetSCTP, string(KubeNodePortChain), string(KubeMarkMasqChain), "dst,dst", "sctp"},
{kubeNodePortLocalSetSCTP, string(KubeNodePortChain), "RETURN", "dst,dst", "sctp"},
}
// In IPVS proxy mode, the following flags need to be set
@ -1096,20 +1096,32 @@ func (proxier *Proxier) syncProxyRules() {
// Nodeports need SNAT, unless they're local.
// ipset call
entry = &utilipset.Entry{
// No need to provide ip info
Port: svcInfo.NodePort,
Protocol: protocol,
SetType: utilipset.BitmapPort,
}
var nodePortSet *IPSet
switch protocol {
case "tcp":
nodePortSet = proxier.ipsetList[kubeNodePortSetTCP]
entry = &utilipset.Entry{
// No need to provide ip info
Port: svcInfo.NodePort,
Protocol: protocol,
SetType: utilipset.BitmapPort,
}
case "udp":
nodePortSet = proxier.ipsetList[kubeNodePortSetUDP]
entry = &utilipset.Entry{
// No need to provide ip info
Port: svcInfo.NodePort,
Protocol: protocol,
SetType: utilipset.BitmapPort,
}
case "sctp":
nodePortSet = proxier.ipsetList[kubeNodePortSetSCTP]
entry = &utilipset.Entry{
IP: proxier.nodeIP.String(),
Port: svcInfo.NodePort,
Protocol: protocol,
SetType: utilipset.HashIPPort,
}
default:
// It should never hit
klog.Errorf("Unsupported protocol type: %s", protocol)