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Merge pull request #98297 from JornShen/replace_ipvs_proxier_protocal_str

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use exist const to replace ipvs/proxier.go tcp,udp,sctp str
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Kubernetes Prow Robot 2021-01-28 14:41:52 -08:00 committed by GitHub
commit 97076f6647
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1 changed files with 22 additions and 20 deletions
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42
pkg/proxy/ipvs/proxier.go
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@ -181,23 +181,25 @@ var ipsetWithIptablesChain = []struct {
{kubeLoadBalancerSourceCIDRSet, string(KubeFireWallChain), "RETURN", "dst,dst,src", ""},
{kubeLoadBalancerSourceIPSet, string(KubeFireWallChain), "RETURN", "dst,dst,src", ""},
{kubeLoadBalancerLocalSet, string(KubeLoadBalancerChain), "RETURN", "dst,dst", ""},
{kubeNodePortLocalSetTCP, string(KubeNodePortChain), "RETURN", "dst", "tcp"},
{kubeNodePortSetTCP, string(KubeNodePortChain), string(KubeMarkMasqChain), "dst", "tcp"},
{kubeNodePortLocalSetUDP, string(KubeNodePortChain), "RETURN", "dst", "udp"},
{kubeNodePortSetUDP, string(KubeNodePortChain), string(KubeMarkMasqChain), "dst", "udp"},
{kubeNodePortSetSCTP, string(KubeNodePortChain), string(KubeMarkMasqChain), "dst,dst", "sctp"},
{kubeNodePortLocalSetSCTP, string(KubeNodePortChain), "RETURN", "dst,dst", "sctp"},
{kubeNodePortLocalSetTCP, string(KubeNodePortChain), "RETURN", "dst", utilipset.ProtocolTCP},
{kubeNodePortSetTCP, string(KubeNodePortChain), string(KubeMarkMasqChain), "dst", utilipset.ProtocolTCP},
{kubeNodePortLocalSetUDP, string(KubeNodePortChain), "RETURN", "dst", utilipset.ProtocolUDP},
{kubeNodePortSetUDP, string(KubeNodePortChain), string(KubeMarkMasqChain), "dst", utilipset.ProtocolUDP},
{kubeNodePortSetSCTP, string(KubeNodePortChain), string(KubeMarkMasqChain), "dst,dst", utilipset.ProtocolSCTP},
{kubeNodePortLocalSetSCTP, string(KubeNodePortChain), "RETURN", "dst,dst", utilipset.ProtocolSCTP},
}
// In IPVS proxy mode, the following flags need to be set
const sysctlBridgeCallIPTables = "net/bridge/bridge-nf-call-iptables"
const sysctlVSConnTrack = "net/ipv4/vs/conntrack"
const sysctlConnReuse = "net/ipv4/vs/conn_reuse_mode"
const sysctlExpireNoDestConn = "net/ipv4/vs/expire_nodest_conn"
const sysctlExpireQuiescentTemplate = "net/ipv4/vs/expire_quiescent_template"
const sysctlForward = "net/ipv4/ip_forward"
const sysctlArpIgnore = "net/ipv4/conf/all/arp_ignore"
const sysctlArpAnnounce = "net/ipv4/conf/all/arp_announce"
const (
sysctlBridgeCallIPTables = "net/bridge/bridge-nf-call-iptables"
sysctlVSConnTrack = "net/ipv4/vs/conntrack"
sysctlConnReuse = "net/ipv4/vs/conn_reuse_mode"
sysctlExpireNoDestConn = "net/ipv4/vs/expire_nodest_conn"
sysctlExpireQuiescentTemplate = "net/ipv4/vs/expire_quiescent_template"
sysctlForward = "net/ipv4/ip_forward"
sysctlArpIgnore = "net/ipv4/conf/all/arp_ignore"
sysctlArpAnnounce = "net/ipv4/conf/all/arp_announce"
)
// Proxier is an ipvs based proxy for connections between a localhost:lport
// and services that provide the actual backends.
@ -1480,7 +1482,7 @@ func (proxier *Proxier) syncProxyRules() {
)
switch protocol {
case "tcp":
case utilipset.ProtocolTCP:
nodePortSet = proxier.ipsetList[kubeNodePortSetTCP]
entries = []*utilipset.Entry{{
// No need to provide ip info
@ -1488,7 +1490,7 @@ func (proxier *Proxier) syncProxyRules() {
Protocol: protocol,
SetType: utilipset.BitmapPort,
}}
case "udp":
case utilipset.ProtocolUDP:
nodePortSet = proxier.ipsetList[kubeNodePortSetUDP]
entries = []*utilipset.Entry{{
// No need to provide ip info
@ -1496,7 +1498,7 @@ func (proxier *Proxier) syncProxyRules() {
Protocol: protocol,
SetType: utilipset.BitmapPort,
}}
case "sctp":
case utilipset.ProtocolSCTP:
nodePortSet = proxier.ipsetList[kubeNodePortSetSCTP]
// Since hash ip:port is used for SCTP, all the nodeIPs to be used in the SCTP ipset entries.
entries = []*utilipset.Entry{}
@ -1531,11 +1533,11 @@ func (proxier *Proxier) syncProxyRules() {
if svcInfo.OnlyNodeLocalEndpoints() {
var nodePortLocalSet *IPSet
switch protocol {
case "tcp":
case utilipset.ProtocolTCP:
nodePortLocalSet = proxier.ipsetList[kubeNodePortLocalSetTCP]
case "udp":
case utilipset.ProtocolUDP:
nodePortLocalSet = proxier.ipsetList[kubeNodePortLocalSetUDP]
case "sctp":
case utilipset.ProtocolSCTP:
nodePortLocalSet = proxier.ipsetList[kubeNodePortLocalSetSCTP]
default:
// It should never hit