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Merge pull request #113742 from princepereira/ppereira-kubeproxy-flags

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Add a flag to HNS Load Balancer policy to hint HNS about the VIP being an External IP
This commit is contained in:
Kubernetes Prow Robot 2022-12-12 04:23:33 -08:00 committed by GitHub
commit 0e19bbb916
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 9 additions and 3 deletions
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5
pkg/proxy/winkernel/hns.go
View File

@ -48,6 +48,8 @@ type hns struct{}
var (
// LoadBalancerFlagsIPv6 enables IPV6.
LoadBalancerFlagsIPv6 hcn.LoadBalancerFlags = 2
// LoadBalancerPortMappingFlagsVipExternalIP enables VipExternalIP.
LoadBalancerPortMappingFlagsVipExternalIP hcn.LoadBalancerPortMappingFlags = 16
)
func (hns hns) getNetworkByName(name string) (*hnsNetworkInfo, error) {
@ -305,6 +307,9 @@ func (hns hns) getLoadBalancer(endpoints []endpointsInfo, flags loadBalancerFlag
if flags.localRoutedVIP {
lbPortMappingFlags |= hcn.LoadBalancerPortMappingFlagsLocalRoutedVIP
}
if flags.isVipExternalIP {
lbPortMappingFlags |= LoadBalancerPortMappingFlagsVipExternalIP
}
lbFlags := hcn.LoadBalancerFlagsNone
if flags.isDSR {

7
pkg/proxy/winkernel/proxier.go
View File

@ -107,6 +107,7 @@ type loadBalancerIdentifier struct {
type loadBalancerFlags struct {
isILB bool
isDSR bool
isVipExternalIP bool
localRoutedVIP bool
useMUX bool
preserveDIP bool
@ -1313,7 +1314,7 @@ func (proxier *Proxier) syncProxyRules() {
if len(nodePortEndpoints) > 0 {
hnsLoadBalancer, err := hns.getLoadBalancer(
nodePortEndpoints,
loadBalancerFlags{isDSR: svcInfo.localTrafficDSR, localRoutedVIP: true, sessionAffinity: sessionAffinityClientIP, isIPv6: proxier.isIPv6Mode},
loadBalancerFlags{isVipExternalIP: true, isDSR: svcInfo.localTrafficDSR, localRoutedVIP: true, sessionAffinity: sessionAffinityClientIP, isIPv6: proxier.isIPv6Mode},
sourceVip,
"",
Enum(svcInfo.Protocol()),
@ -1345,7 +1346,7 @@ func (proxier *Proxier) syncProxyRules() {
// Try loading existing policies, if already available
hnsLoadBalancer, err = hns.getLoadBalancer(
externalIPEndpoints,
loadBalancerFlags{isDSR: svcInfo.localTrafficDSR, sessionAffinity: sessionAffinityClientIP, isIPv6: proxier.isIPv6Mode},
loadBalancerFlags{isVipExternalIP: true, isDSR: svcInfo.localTrafficDSR, sessionAffinity: sessionAffinityClientIP, isIPv6: proxier.isIPv6Mode},
sourceVip,
externalIP.ip,
Enum(svcInfo.Protocol()),
@ -1374,7 +1375,7 @@ func (proxier *Proxier) syncProxyRules() {
if len(lbIngressEndpoints) > 0 {
hnsLoadBalancer, err := hns.getLoadBalancer(
lbIngressEndpoints,
loadBalancerFlags{isDSR: svcInfo.preserveDIP || svcInfo.localTrafficDSR, useMUX: svcInfo.preserveDIP, preserveDIP: svcInfo.preserveDIP, sessionAffinity: sessionAffinityClientIP, isIPv6: proxier.isIPv6Mode},
loadBalancerFlags{isVipExternalIP: true, isDSR: svcInfo.preserveDIP || svcInfo.localTrafficDSR, useMUX: svcInfo.preserveDIP, preserveDIP: svcInfo.preserveDIP, sessionAffinity: sessionAffinityClientIP, isIPv6: proxier.isIPv6Mode},
sourceVip,
lbIngressIP.ip,
Enum(svcInfo.Protocol()),