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Remove conntrack entry on udp rule add.

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Moved conntrack util outside of proxy pkg
Added warning message if conntrack binary is not found
Addressed review comments.
ran gofmt
This commit is contained in:
Pavithra Ramesh
2018-01-31 18:20:22 -08:00
parent fa5c815cca
commit 098a4467fe
15 changed files with 142 additions and 44 deletions
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11
pkg/proxy/ipvs/proxier.go
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@@ -45,6 +45,7 @@ import (
"k8s.io/kubernetes/pkg/proxy/metrics"
utilproxy "k8s.io/kubernetes/pkg/proxy/util"
"k8s.io/kubernetes/pkg/util/async"
"k8s.io/kubernetes/pkg/util/conntrack"
utilipset "k8s.io/kubernetes/pkg/util/ipset"
utiliptables "k8s.io/kubernetes/pkg/util/iptables"
utilipvs "k8s.io/kubernetes/pkg/util/ipvs"
@@ -295,7 +296,7 @@ func NewProxier(ipt utiliptables.Interface,
healthChecker := healthcheck.NewServer(hostname, recorder, nil, nil) // use default implementations of deps
isIPv6 := utilproxy.IsIPv6(nodeIP)
isIPv6 := conntrack.IsIPv6(nodeIP)
glog.V(2).Infof("nodeIP: %v, isIPv6: %v", nodeIP, isIPv6)
@@ -1116,8 +1117,8 @@ func (proxier *Proxier) syncProxyRules() {
continue
}
if lp.Protocol == "udp" {
isIPv6 := utilproxy.IsIPv6(svcInfo.clusterIP)
utilproxy.ClearUDPConntrackForPort(proxier.exec, lp.Port, isIPv6)
isIPv6 := conntrack.IsIPv6(svcInfo.clusterIP)
conntrack.ClearEntriesForPort(proxier.exec, lp.Port, isIPv6, clientv1.ProtocolUDP)
}
replacementPortsMap[lp] = socket
} // We're holding the port, so it's OK to install ipvs rules.
@@ -1349,7 +1350,7 @@ func (proxier *Proxier) syncProxyRules() {
// Finish housekeeping.
// TODO: these could be made more consistent.
for _, svcIP := range staleServices.UnsortedList() {
if err := utilproxy.ClearUDPConntrackForIP(proxier.exec, svcIP); err != nil {
if err := conntrack.ClearEntriesForIP(proxier.exec, svcIP, clientv1.ProtocolUDP); err != nil {
glog.Errorf("Failed to delete stale service IP %s connections, error: %v", svcIP, err)
}
}
@@ -1363,7 +1364,7 @@ func (proxier *Proxier) deleteEndpointConnections(connectionMap []proxy.ServiceE
for _, epSvcPair := range connectionMap {
if svcInfo, ok := proxier.serviceMap[epSvcPair.ServicePortName]; ok && svcInfo.Protocol() == api.ProtocolUDP {
endpointIP := utilproxy.IPPart(epSvcPair.Endpoint)
err := utilproxy.ClearUDPConntrackForPeers(proxier.exec, svcInfo.ClusterIP(), endpointIP)
err := conntrack.ClearEntriesForNAT(proxier.exec, svcInfo.ClusterIP(), endpointIP, clientv1.ProtocolUDP)
if err != nil {
glog.Errorf("Failed to delete %s endpoint connections, error: %v", epSvcPair.ServicePortName.String(), err)
}