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kube-proxy: internal renames

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This commit is contained in:
Tim Hockin 2022-03-26 23:13:51 -07:00
parent 699aeb735f
commit 99330d407a
1 changed files with 28 additions and 28 deletions
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56
pkg/proxy/iptables/proxier.go
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@ -115,11 +115,11 @@ const sysctlBridgeCallIPTables = "net/bridge/bridge-nf-call-iptables"
type serviceInfo struct {
*proxy.BaseServiceInfo
// The following fields are computed and stored for performance reasons.
serviceNameString string
servicePortChainName utiliptables.Chain
serviceLocalChainName utiliptables.Chain
serviceFirewallChainName utiliptables.Chain
serviceLBChainName utiliptables.Chain
nameString string
policyClusterChainName utiliptables.Chain
policyLocalChainName utiliptables.Chain
firewallChainName utiliptables.Chain
xlbChainName utiliptables.Chain
}
// returns a new proxy.ServicePort which abstracts a serviceInfo
@ -130,11 +130,11 @@ func newServiceInfo(port *v1.ServicePort, service *v1.Service, baseInfo *proxy.B
svcName := types.NamespacedName{Namespace: service.Namespace, Name: service.Name}
svcPortName := proxy.ServicePortName{NamespacedName: svcName, Port: port.Name}
protocol := strings.ToLower(string(info.Protocol()))
info.serviceNameString = svcPortName.String()
info.servicePortChainName = servicePortChainName(info.serviceNameString, protocol)
info.serviceLocalChainName = serviceLocalChainName(info.serviceNameString, protocol)
info.serviceFirewallChainName = serviceFirewallChainName(info.serviceNameString, protocol)
info.serviceLBChainName = serviceLBChainName(info.serviceNameString, protocol)
info.nameString = svcPortName.String()
info.policyClusterChainName = servicePortPolicyClusterChain(info.nameString, protocol)
info.policyLocalChainName = servicePortPolicyLocalChainName(info.nameString, protocol)
info.firewallChainName = serviceFirewallChainName(info.nameString, protocol)
info.xlbChainName = serviceLBChainName(info.nameString, protocol)
return info
}
@ -684,25 +684,25 @@ func portProtoHash(servicePortName string, protocol string) string {
}
const (
servicePortChainNamePrefix = "KUBE-SVC-"
serviceLocalChainNamePrefix = "KUBE-SVL-"
serviceFirewallChainNamePrefix = "KUBE-FW-"
serviceLBChainNamePrefix = "KUBE-XLB-"
servicePortEndpointChainNamePrefix = "KUBE-SEP-"
servicePortPolicyClusterChainNamePrefix = "KUBE-SVC-"
servicePortPolicyLocalChainNamePrefix = "KUBE-SVL-"
serviceFirewallChainNamePrefix = "KUBE-FW-"
serviceLBChainNamePrefix = "KUBE-XLB-"
servicePortEndpointChainNamePrefix = "KUBE-SEP-"
)
// servicePortChainName returns the name of the KUBE-SVC-XXXX chain for a service, which is the
// servicePortPolicyClusterChain returns the name of the KUBE-SVC-XXXX chain for a service, which is the
// main iptables chain for that service, used for dispatching to endpoints when using `Cluster`
// traffic policy.
func servicePortChainName(servicePortName string, protocol string) utiliptables.Chain {
return utiliptables.Chain(servicePortChainNamePrefix + portProtoHash(servicePortName, protocol))
func servicePortPolicyClusterChain(servicePortName string, protocol string) utiliptables.Chain {
return utiliptables.Chain(servicePortPolicyClusterChainNamePrefix + portProtoHash(servicePortName, protocol))
}
// serviceLocalChainName returns the name of the KUBE-SVL-XXXX chain for a service, which
// servicePortPolicyLocalChainName returns the name of the KUBE-SVL-XXXX chain for a service, which
// handles dispatching to local endpoints when using `Local` traffic policy. This chain only
// exists if the service has `Local` internal or external traffic policy.
func serviceLocalChainName(servicePortName string, protocol string) utiliptables.Chain {
return utiliptables.Chain(serviceLocalChainNamePrefix + portProtoHash(servicePortName, protocol))
func servicePortPolicyLocalChainName(servicePortName string, protocol string) utiliptables.Chain {
return utiliptables.Chain(servicePortPolicyLocalChainNamePrefix + portProtoHash(servicePortName, protocol))
}
// serviceFirewallChainName returns the name of the KUBE-FW-XXXX chain for a service, which
@ -729,8 +729,8 @@ func servicePortEndpointChainName(servicePortName string, protocol string, endpo
func isServiceChainName(chainString string) bool {
prefixes := []string{
servicePortChainNamePrefix,
serviceLocalChainNamePrefix,
servicePortPolicyClusterChainNamePrefix,
servicePortPolicyLocalChainNamePrefix,
servicePortEndpointChainNamePrefix,
serviceFirewallChainNamePrefix,
serviceLBChainNamePrefix,
@ -998,7 +998,7 @@ func (proxier *Proxier) syncProxyRules() {
}
isIPv6 := netutils.IsIPv6(svcInfo.ClusterIP())
protocol := strings.ToLower(string(svcInfo.Protocol()))
svcNameString := svcInfo.serviceNameString
svcNameString := svcInfo.nameString
allEndpoints := proxier.endpointsMap[svcName]
@ -1042,9 +1042,9 @@ func (proxier *Proxier) syncProxyRules() {
proxier.natRules.Write(args)
}
policyClusterChain := svcInfo.servicePortChainName
policyLocalChain := svcInfo.serviceLocalChainName
svcXlbChain := svcInfo.serviceLBChainName
policyClusterChain := svcInfo.policyClusterChainName
policyLocalChain := svcInfo.policyLocalChainName
svcXlbChain := svcInfo.xlbChainName
internalTrafficChain := policyClusterChain
externalTrafficChain := policyClusterChain
@ -1208,7 +1208,7 @@ func (proxier *Proxier) syncProxyRules() {
}
// Capture load-balancer ingress.
fwChain := svcInfo.serviceFirewallChainName
fwChain := svcInfo.firewallChainName
for _, ingress := range svcInfo.LoadBalancerIPStrings() {
if hasEndpoints {
// create service firewall chain