mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-21 19:01:49 +00:00
Elide the -FW- chain when possible
This makes it epsilon harder to reason about but saves one chain declaration and one rule per service-port usually.
This commit is contained in:
Tim Hockin
parent
7726b5f9fc
commit
40e21e310f
@ -1217,18 +1217,26 @@ func (proxier *Proxier) syncProxyRules() {
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// Capture load-balancer ingress.
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if len(svcInfo.LoadBalancerIPStrings()) > 0 && hasEndpoints {
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// We could elide the firewall chain when loadBalancerSourceRanges
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// is empty, but that adds code and makes the flow harder to reason
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// about, for not much gain.
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fwChain := svcInfo.firewallChainName
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// Normally we send LB matches to the "external destination" chain.
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nextChain := externalTrafficChain
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// create service firewall chain
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if chain, ok := existingNATChains[fwChain]; ok {
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proxier.natChains.WriteBytes(chain)
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} else {
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proxier.natChains.Write(utiliptables.MakeChainLine(fwChain))
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// If the service specifies any LB source ranges, we need to insert
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// a firewall chain first.
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if len(svcInfo.LoadBalancerSourceRanges()) > 0 {
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fwChain := svcInfo.firewallChainName
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// Declare the service firewall chain.
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if chain, ok := existingNATChains[fwChain]; ok {
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proxier.natChains.WriteBytes(chain)
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} else {
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proxier.natChains.Write(utiliptables.MakeChainLine(fwChain))
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}
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activeNATChains[fwChain] = true
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// The firewall chain will jump to the "external destination"
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// chain.
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nextChain = svcInfo.firewallChainName
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}
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activeNATChains[fwChain] = true
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for _, lbip := range svcInfo.LoadBalancerIPStrings() {
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proxier.natRules.Write(
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@ -1237,22 +1245,19 @@ func (proxier *Proxier) syncProxyRules() {
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"-m", protocol, "-p", protocol,
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"-d", lbip,
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"--dport", strconv.Itoa(svcInfo.Port()),
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"-j", string(fwChain))
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args = append(args[:0],
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"-A", string(fwChain),
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"-m", "comment", "--comment", fmt.Sprintf(`"%s loadbalancer IP"`, svcNameString),
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)
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"-j", string(nextChain))
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// The service firewall rules are created based on the
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// loadBalancerSourceRanges field. This only works for
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// VIP-like loadbalancers that preserve source IPs. For
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// loadbalancers which direct traffic to service NodePort, the
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// firewall rules will not apply.
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if len(svcInfo.LoadBalancerSourceRanges()) == 0 {
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// allow all sources, so jump directly to the next chain
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proxier.natRules.Write(args, "-j", string(externalTrafficChain))
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} else {
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if len(svcInfo.LoadBalancerSourceRanges()) > 0 {
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args = append(args[:0],
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"-A", string(nextChain),
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"-m", "comment", "--comment", fmt.Sprintf(`"%s loadbalancer IP"`, svcNameString),
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)
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// firewall filter based on each source range
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allowFromNode := false
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for _, src := range svcInfo.LoadBalancerSourceRanges() {
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@ -1535,7 +1535,6 @@ func TestOverallIPTablesRulesWithMultipleServices(t *testing.T) {
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:KUBE-EXT-PAZTZYUUMV5KCDZL - [0:0]
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:KUBE-EXT-X27LE4BHSL4DOUIK - [0:0]
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:KUBE-FW-GNZBNJ2PO5MGZ6GT - [0:0]
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:KUBE-FW-PAZTZYUUMV5KCDZL - [0:0]
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:KUBE-MARK-MASQ - [0:0]
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:KUBE-NODEPORTS - [0:0]
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:KUBE-POSTROUTING - [0:0]
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@ -1561,7 +1560,7 @@ func TestOverallIPTablesRulesWithMultipleServices(t *testing.T) {
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-A KUBE-SERVICES -m comment --comment "ns2/svc2:p80 external IP" -m tcp -p tcp -d 192.168.99.22 --dport 80 -j KUBE-EXT-GNZBNJ2PO5MGZ6GT
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-A KUBE-SERVICES -m comment --comment "ns2/svc2:p80 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-FW-GNZBNJ2PO5MGZ6GT
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-A KUBE-SERVICES -m comment --comment "ns2b/svc2b:p80 cluster IP" -m tcp -p tcp -d 172.30.0.43 --dport 80 -j KUBE-SVC-PAZTZYUUMV5KCDZL
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-A KUBE-SERVICES -m comment --comment "ns2b/svc2b:p80 loadbalancer IP" -m tcp -p tcp -d 5.6.7.8 --dport 80 -j KUBE-FW-PAZTZYUUMV5KCDZL
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-A KUBE-SERVICES -m comment --comment "ns2b/svc2b:p80 loadbalancer IP" -m tcp -p tcp -d 5.6.7.8 --dport 80 -j KUBE-EXT-PAZTZYUUMV5KCDZL
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-A KUBE-SERVICES -m comment --comment "ns3/svc3:p80 cluster IP" -m tcp -p tcp -d 172.30.0.43 --dport 80 -j KUBE-SVC-X27LE4BHSL4DOUIK
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-A KUBE-SERVICES -m comment --comment "ns4/svc4:p80 cluster IP" -m tcp -p tcp -d 172.30.0.44 --dport 80 -j KUBE-SVC-4SW47YFZTEDKD3PK
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-A KUBE-SERVICES -m comment --comment "ns4/svc4:p80 external IP" -m tcp -p tcp -d 192.168.99.33 --dport 80 -j KUBE-EXT-4SW47YFZTEDKD3PK
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@ -1577,7 +1576,6 @@ func TestOverallIPTablesRulesWithMultipleServices(t *testing.T) {
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-A KUBE-EXT-X27LE4BHSL4DOUIK -j KUBE-SVC-X27LE4BHSL4DOUIK
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-A KUBE-FW-GNZBNJ2PO5MGZ6GT -m comment --comment "ns2/svc2:p80 loadbalancer IP" -s 203.0.113.0/25 -j KUBE-EXT-GNZBNJ2PO5MGZ6GT
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-A KUBE-FW-GNZBNJ2PO5MGZ6GT -m comment --comment "ns2/svc2:p80 loadbalancer IP" -j KUBE-MARK-DROP
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-A KUBE-FW-PAZTZYUUMV5KCDZL -m comment --comment "ns2b/svc2b:p80 loadbalancer IP" -j KUBE-EXT-PAZTZYUUMV5KCDZL
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-A KUBE-MARK-MASQ -j MARK --or-mark 0x4000
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-A KUBE-POSTROUTING -m mark ! --mark 0x4000/0x4000 -j RETURN
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-A KUBE-POSTROUTING -j MARK --xor-mark 0x4000
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@ -2439,7 +2437,6 @@ func TestOnlyLocalLoadBalancing(t *testing.T) {
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COMMIT
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*nat
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:KUBE-EXT-XPGD46QRK7WJZT7O - [0:0]
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:KUBE-FW-XPGD46QRK7WJZT7O - [0:0]
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:KUBE-MARK-MASQ - [0:0]
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:KUBE-NODEPORTS - [0:0]
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:KUBE-POSTROUTING - [0:0]
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@ -2451,12 +2448,11 @@ func TestOnlyLocalLoadBalancing(t *testing.T) {
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-A KUBE-NODEPORTS -m comment --comment ns1/svc1:p80 -m tcp -p tcp --dport 3001 -j KUBE-EXT-XPGD46QRK7WJZT7O
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-A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -m addrtype --dst-type LOCAL -j KUBE-NODEPORTS
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-A KUBE-SERVICES -m comment --comment "ns1/svc1:p80 cluster IP" -m tcp -p tcp -d 172.30.0.41 --dport 80 -j KUBE-SVC-XPGD46QRK7WJZT7O
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-A KUBE-SERVICES -m comment --comment "ns1/svc1:p80 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-FW-XPGD46QRK7WJZT7O
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-A KUBE-SERVICES -m comment --comment "ns1/svc1:p80 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-EXT-XPGD46QRK7WJZT7O
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-A KUBE-EXT-XPGD46QRK7WJZT7O -m comment --comment "pod traffic for ns1/svc1:p80 external destinations" -s 10.0.0.0/8 -j KUBE-SVC-XPGD46QRK7WJZT7O
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-A KUBE-EXT-XPGD46QRK7WJZT7O -m comment --comment "masquerade LOCAL traffic for ns1/svc1:p80 external destinations" -m addrtype --src-type LOCAL -j KUBE-MARK-MASQ
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-A KUBE-EXT-XPGD46QRK7WJZT7O -m comment --comment "route LOCAL traffic for ns1/svc1:p80 external destinations" -m addrtype --src-type LOCAL -j KUBE-SVC-XPGD46QRK7WJZT7O
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-A KUBE-EXT-XPGD46QRK7WJZT7O -j KUBE-SVL-XPGD46QRK7WJZT7O
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-A KUBE-FW-XPGD46QRK7WJZT7O -m comment --comment "ns1/svc1:p80 loadbalancer IP" -j KUBE-EXT-XPGD46QRK7WJZT7O
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-A KUBE-MARK-MASQ -j MARK --or-mark 0x4000
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-A KUBE-POSTROUTING -m mark ! --mark 0x4000/0x4000 -j RETURN
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-A KUBE-POSTROUTING -j MARK --xor-mark 0x4000
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@ -4705,7 +4701,6 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyLocal(t *testing.T) {
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COMMIT
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*nat
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:KUBE-EXT-AQI2S6QIMU7PVVRP - [0:0]
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:KUBE-FW-AQI2S6QIMU7PVVRP - [0:0]
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:KUBE-MARK-MASQ - [0:0]
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:KUBE-NODEPORTS - [0:0]
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:KUBE-POSTROUTING - [0:0]
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@ -4717,12 +4712,11 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyLocal(t *testing.T) {
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:KUBE-SVL-AQI2S6QIMU7PVVRP - [0:0]
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-A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -m addrtype --dst-type LOCAL -j KUBE-NODEPORTS
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-A KUBE-SERVICES -m comment --comment "ns1/svc1 cluster IP" -m tcp -p tcp -d 172.30.1.1 --dport 80 -j KUBE-SVC-AQI2S6QIMU7PVVRP
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-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-FW-AQI2S6QIMU7PVVRP
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-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-EXT-AQI2S6QIMU7PVVRP
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "pod traffic for ns1/svc1 external destinations" -s 10.0.0.0/8 -j KUBE-SVC-AQI2S6QIMU7PVVRP
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "masquerade LOCAL traffic for ns1/svc1 external destinations" -m addrtype --src-type LOCAL -j KUBE-MARK-MASQ
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "route LOCAL traffic for ns1/svc1 external destinations" -m addrtype --src-type LOCAL -j KUBE-SVC-AQI2S6QIMU7PVVRP
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -j KUBE-SVL-AQI2S6QIMU7PVVRP
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-A KUBE-FW-AQI2S6QIMU7PVVRP -m comment --comment "ns1/svc1 loadbalancer IP" -j KUBE-EXT-AQI2S6QIMU7PVVRP
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-A KUBE-MARK-MASQ -j MARK --or-mark 0x4000
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-A KUBE-POSTROUTING -m mark ! --mark 0x4000/0x4000 -j RETURN
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-A KUBE-POSTROUTING -j MARK --xor-mark 0x4000
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@ -4827,7 +4821,6 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyLocal(t *testing.T) {
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COMMIT
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*nat
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:KUBE-EXT-AQI2S6QIMU7PVVRP - [0:0]
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:KUBE-FW-AQI2S6QIMU7PVVRP - [0:0]
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:KUBE-MARK-MASQ - [0:0]
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:KUBE-NODEPORTS - [0:0]
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:KUBE-POSTROUTING - [0:0]
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@ -4839,12 +4832,11 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyLocal(t *testing.T) {
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:KUBE-SVL-AQI2S6QIMU7PVVRP - [0:0]
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-A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -m addrtype --dst-type LOCAL -j KUBE-NODEPORTS
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-A KUBE-SERVICES -m comment --comment "ns1/svc1 cluster IP" -m tcp -p tcp -d 172.30.1.1 --dport 80 -j KUBE-SVC-AQI2S6QIMU7PVVRP
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-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-FW-AQI2S6QIMU7PVVRP
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-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-EXT-AQI2S6QIMU7PVVRP
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "pod traffic for ns1/svc1 external destinations" -s 10.0.0.0/8 -j KUBE-SVC-AQI2S6QIMU7PVVRP
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "masquerade LOCAL traffic for ns1/svc1 external destinations" -m addrtype --src-type LOCAL -j KUBE-MARK-MASQ
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "route LOCAL traffic for ns1/svc1 external destinations" -m addrtype --src-type LOCAL -j KUBE-SVC-AQI2S6QIMU7PVVRP
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -j KUBE-SVL-AQI2S6QIMU7PVVRP
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-A KUBE-FW-AQI2S6QIMU7PVVRP -m comment --comment "ns1/svc1 loadbalancer IP" -j KUBE-EXT-AQI2S6QIMU7PVVRP
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-A KUBE-MARK-MASQ -j MARK --or-mark 0x4000
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-A KUBE-POSTROUTING -m mark ! --mark 0x4000/0x4000 -j RETURN
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-A KUBE-POSTROUTING -j MARK --xor-mark 0x4000
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@ -4941,7 +4933,6 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyLocal(t *testing.T) {
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COMMIT
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*nat
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:KUBE-EXT-AQI2S6QIMU7PVVRP - [0:0]
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:KUBE-FW-AQI2S6QIMU7PVVRP - [0:0]
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:KUBE-MARK-MASQ - [0:0]
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:KUBE-NODEPORTS - [0:0]
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:KUBE-POSTROUTING - [0:0]
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@ -4953,12 +4944,11 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyLocal(t *testing.T) {
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:KUBE-SVL-AQI2S6QIMU7PVVRP - [0:0]
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-A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -m addrtype --dst-type LOCAL -j KUBE-NODEPORTS
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-A KUBE-SERVICES -m comment --comment "ns1/svc1 cluster IP" -m tcp -p tcp -d 172.30.1.1 --dport 80 -j KUBE-SVC-AQI2S6QIMU7PVVRP
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-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-FW-AQI2S6QIMU7PVVRP
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-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-EXT-AQI2S6QIMU7PVVRP
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "pod traffic for ns1/svc1 external destinations" -s 10.0.0.0/8 -j KUBE-SVC-AQI2S6QIMU7PVVRP
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "masquerade LOCAL traffic for ns1/svc1 external destinations" -m addrtype --src-type LOCAL -j KUBE-MARK-MASQ
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "route LOCAL traffic for ns1/svc1 external destinations" -m addrtype --src-type LOCAL -j KUBE-SVC-AQI2S6QIMU7PVVRP
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -j KUBE-SVL-AQI2S6QIMU7PVVRP
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-A KUBE-FW-AQI2S6QIMU7PVVRP -m comment --comment "ns1/svc1 loadbalancer IP" -j KUBE-EXT-AQI2S6QIMU7PVVRP
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-A KUBE-MARK-MASQ -j MARK --or-mark 0x4000
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-A KUBE-POSTROUTING -m mark ! --mark 0x4000/0x4000 -j RETURN
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-A KUBE-POSTROUTING -j MARK --xor-mark 0x4000
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@ -5056,7 +5046,6 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyLocal(t *testing.T) {
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COMMIT
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*nat
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:KUBE-EXT-AQI2S6QIMU7PVVRP - [0:0]
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:KUBE-FW-AQI2S6QIMU7PVVRP - [0:0]
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:KUBE-MARK-MASQ - [0:0]
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:KUBE-NODEPORTS - [0:0]
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:KUBE-POSTROUTING - [0:0]
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@ -5066,12 +5055,11 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyLocal(t *testing.T) {
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:KUBE-SVL-AQI2S6QIMU7PVVRP - [0:0]
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-A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -m addrtype --dst-type LOCAL -j KUBE-NODEPORTS
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-A KUBE-SERVICES -m comment --comment "ns1/svc1 cluster IP" -m tcp -p tcp -d 172.30.1.1 --dport 80 -j KUBE-SVC-AQI2S6QIMU7PVVRP
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-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-FW-AQI2S6QIMU7PVVRP
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-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-EXT-AQI2S6QIMU7PVVRP
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "pod traffic for ns1/svc1 external destinations" -s 10.0.0.0/8 -j KUBE-SVC-AQI2S6QIMU7PVVRP
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "masquerade LOCAL traffic for ns1/svc1 external destinations" -m addrtype --src-type LOCAL -j KUBE-MARK-MASQ
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "route LOCAL traffic for ns1/svc1 external destinations" -m addrtype --src-type LOCAL -j KUBE-SVC-AQI2S6QIMU7PVVRP
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-A KUBE-EXT-AQI2S6QIMU7PVVRP -j KUBE-SVL-AQI2S6QIMU7PVVRP
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-A KUBE-FW-AQI2S6QIMU7PVVRP -m comment --comment "ns1/svc1 loadbalancer IP" -j KUBE-EXT-AQI2S6QIMU7PVVRP
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-A KUBE-MARK-MASQ -j MARK --or-mark 0x4000
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-A KUBE-POSTROUTING -m mark ! --mark 0x4000/0x4000 -j RETURN
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-A KUBE-POSTROUTING -j MARK --xor-mark 0x4000
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@ -5128,7 +5116,6 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyLocal(t *testing.T) {
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COMMIT
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*nat
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:KUBE-EXT-AQI2S6QIMU7PVVRP - [0:0]
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:KUBE-FW-AQI2S6QIMU7PVVRP - [0:0]
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:KUBE-MARK-MASQ - [0:0]
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:KUBE-NODEPORTS - [0:0]
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:KUBE-POSTROUTING - [0:0]
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@ -5138,12 +5125,11 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyLocal(t *testing.T) {
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:KUBE-SVL-AQI2S6QIMU7PVVRP - [0:0]
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-A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -m addrtype --dst-type LOCAL -j KUBE-NODEPORTS
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-A KUBE-SERVICES -m comment --comment "ns1/svc1 cluster IP" -m tcp -p tcp -d 172.30.1.1 --dport 80 -j KUBE-SVC-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-FW-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-EXT-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "pod traffic for ns1/svc1 external destinations" -s 10.0.0.0/8 -j KUBE-SVC-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "masquerade LOCAL traffic for ns1/svc1 external destinations" -m addrtype --src-type LOCAL -j KUBE-MARK-MASQ
|
||||
-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "route LOCAL traffic for ns1/svc1 external destinations" -m addrtype --src-type LOCAL -j KUBE-SVC-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-EXT-AQI2S6QIMU7PVVRP -j KUBE-SVL-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-FW-AQI2S6QIMU7PVVRP -m comment --comment "ns1/svc1 loadbalancer IP" -j KUBE-EXT-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-MARK-MASQ -j MARK --or-mark 0x4000
|
||||
-A KUBE-POSTROUTING -m mark ! --mark 0x4000/0x4000 -j RETURN
|
||||
-A KUBE-POSTROUTING -j MARK --xor-mark 0x4000
|
||||
@ -5375,7 +5361,6 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyCluster(t *testing.T)
|
||||
COMMIT
|
||||
*nat
|
||||
:KUBE-EXT-AQI2S6QIMU7PVVRP - [0:0]
|
||||
:KUBE-FW-AQI2S6QIMU7PVVRP - [0:0]
|
||||
:KUBE-MARK-MASQ - [0:0]
|
||||
:KUBE-NODEPORTS - [0:0]
|
||||
:KUBE-POSTROUTING - [0:0]
|
||||
@ -5386,10 +5371,9 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyCluster(t *testing.T)
|
||||
:KUBE-SVC-AQI2S6QIMU7PVVRP - [0:0]
|
||||
-A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -m addrtype --dst-type LOCAL -j KUBE-NODEPORTS
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1 cluster IP" -m tcp -p tcp -d 172.30.1.1 --dport 80 -j KUBE-SVC-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-FW-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-EXT-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "masquerade traffic for ns1/svc1 external destinations" -j KUBE-MARK-MASQ
|
||||
-A KUBE-EXT-AQI2S6QIMU7PVVRP -j KUBE-SVC-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-FW-AQI2S6QIMU7PVVRP -m comment --comment "ns1/svc1 loadbalancer IP" -j KUBE-EXT-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-MARK-MASQ -j MARK --or-mark 0x4000
|
||||
-A KUBE-POSTROUTING -m mark ! --mark 0x4000/0x4000 -j RETURN
|
||||
-A KUBE-POSTROUTING -j MARK --xor-mark 0x4000
|
||||
@ -5488,7 +5472,6 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyCluster(t *testing.T)
|
||||
COMMIT
|
||||
*nat
|
||||
:KUBE-EXT-AQI2S6QIMU7PVVRP - [0:0]
|
||||
:KUBE-FW-AQI2S6QIMU7PVVRP - [0:0]
|
||||
:KUBE-MARK-MASQ - [0:0]
|
||||
:KUBE-NODEPORTS - [0:0]
|
||||
:KUBE-POSTROUTING - [0:0]
|
||||
@ -5499,10 +5482,9 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyCluster(t *testing.T)
|
||||
:KUBE-SVC-AQI2S6QIMU7PVVRP - [0:0]
|
||||
-A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -m addrtype --dst-type LOCAL -j KUBE-NODEPORTS
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1 cluster IP" -m tcp -p tcp -d 172.30.1.1 --dport 80 -j KUBE-SVC-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-FW-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-EXT-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "masquerade traffic for ns1/svc1 external destinations" -j KUBE-MARK-MASQ
|
||||
-A KUBE-EXT-AQI2S6QIMU7PVVRP -j KUBE-SVC-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-FW-AQI2S6QIMU7PVVRP -m comment --comment "ns1/svc1 loadbalancer IP" -j KUBE-EXT-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-MARK-MASQ -j MARK --or-mark 0x4000
|
||||
-A KUBE-POSTROUTING -m mark ! --mark 0x4000/0x4000 -j RETURN
|
||||
-A KUBE-POSTROUTING -j MARK --xor-mark 0x4000
|
||||
@ -5594,7 +5576,6 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyCluster(t *testing.T)
|
||||
COMMIT
|
||||
*nat
|
||||
:KUBE-EXT-AQI2S6QIMU7PVVRP - [0:0]
|
||||
:KUBE-FW-AQI2S6QIMU7PVVRP - [0:0]
|
||||
:KUBE-MARK-MASQ - [0:0]
|
||||
:KUBE-NODEPORTS - [0:0]
|
||||
:KUBE-POSTROUTING - [0:0]
|
||||
@ -5605,10 +5586,9 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyCluster(t *testing.T)
|
||||
:KUBE-SVC-AQI2S6QIMU7PVVRP - [0:0]
|
||||
-A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -m addrtype --dst-type LOCAL -j KUBE-NODEPORTS
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1 cluster IP" -m tcp -p tcp -d 172.30.1.1 --dport 80 -j KUBE-SVC-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-FW-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-EXT-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "masquerade traffic for ns1/svc1 external destinations" -j KUBE-MARK-MASQ
|
||||
-A KUBE-EXT-AQI2S6QIMU7PVVRP -j KUBE-SVC-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-FW-AQI2S6QIMU7PVVRP -m comment --comment "ns1/svc1 loadbalancer IP" -j KUBE-EXT-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-MARK-MASQ -j MARK --or-mark 0x4000
|
||||
-A KUBE-POSTROUTING -m mark ! --mark 0x4000/0x4000 -j RETURN
|
||||
-A KUBE-POSTROUTING -j MARK --xor-mark 0x4000
|
||||
@ -5759,7 +5739,6 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyCluster(t *testing.T)
|
||||
COMMIT
|
||||
*nat
|
||||
:KUBE-EXT-AQI2S6QIMU7PVVRP - [0:0]
|
||||
:KUBE-FW-AQI2S6QIMU7PVVRP - [0:0]
|
||||
:KUBE-MARK-MASQ - [0:0]
|
||||
:KUBE-NODEPORTS - [0:0]
|
||||
:KUBE-POSTROUTING - [0:0]
|
||||
@ -5768,10 +5747,9 @@ func TestEndpointSliceWithTerminatingEndpointsTrafficPolicyCluster(t *testing.T)
|
||||
:KUBE-SVC-AQI2S6QIMU7PVVRP - [0:0]
|
||||
-A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -m addrtype --dst-type LOCAL -j KUBE-NODEPORTS
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1 cluster IP" -m tcp -p tcp -d 172.30.1.1 --dport 80 -j KUBE-SVC-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-FW-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-EXT-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-EXT-AQI2S6QIMU7PVVRP -m comment --comment "masquerade traffic for ns1/svc1 external destinations" -j KUBE-MARK-MASQ
|
||||
-A KUBE-EXT-AQI2S6QIMU7PVVRP -j KUBE-SVC-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-FW-AQI2S6QIMU7PVVRP -m comment --comment "ns1/svc1 loadbalancer IP" -j KUBE-EXT-AQI2S6QIMU7PVVRP
|
||||
-A KUBE-MARK-MASQ -j MARK --or-mark 0x4000
|
||||
-A KUBE-POSTROUTING -m mark ! --mark 0x4000/0x4000 -j RETURN
|
||||
-A KUBE-POSTROUTING -j MARK --xor-mark 0x4000
|
||||
@ -5928,7 +5906,6 @@ func TestMasqueradeAll(t *testing.T) {
|
||||
COMMIT
|
||||
*nat
|
||||
:KUBE-EXT-XPGD46QRK7WJZT7O - [0:0]
|
||||
:KUBE-FW-XPGD46QRK7WJZT7O - [0:0]
|
||||
:KUBE-MARK-MASQ - [0:0]
|
||||
:KUBE-NODEPORTS - [0:0]
|
||||
:KUBE-POSTROUTING - [0:0]
|
||||
@ -5938,10 +5915,9 @@ func TestMasqueradeAll(t *testing.T) {
|
||||
-A KUBE-NODEPORTS -m comment --comment ns1/svc1:p80 -m tcp -p tcp --dport 3001 -j KUBE-EXT-XPGD46QRK7WJZT7O
|
||||
-A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -m addrtype --dst-type LOCAL -j KUBE-NODEPORTS
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1:p80 cluster IP" -m tcp -p tcp -d 172.30.0.41 --dport 80 -j KUBE-SVC-XPGD46QRK7WJZT7O
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1:p80 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-FW-XPGD46QRK7WJZT7O
|
||||
-A KUBE-SERVICES -m comment --comment "ns1/svc1:p80 loadbalancer IP" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j KUBE-EXT-XPGD46QRK7WJZT7O
|
||||
-A KUBE-EXT-XPGD46QRK7WJZT7O -m comment --comment "masquerade traffic for ns1/svc1:p80 external destinations" -j KUBE-MARK-MASQ
|
||||
-A KUBE-EXT-XPGD46QRK7WJZT7O -j KUBE-SVC-XPGD46QRK7WJZT7O
|
||||
-A KUBE-FW-XPGD46QRK7WJZT7O -m comment --comment "ns1/svc1:p80 loadbalancer IP" -j KUBE-EXT-XPGD46QRK7WJZT7O
|
||||
-A KUBE-MARK-MASQ -j MARK --or-mark 0x4000
|
||||
-A KUBE-POSTROUTING -m mark ! --mark 0x4000/0x4000 -j RETURN
|
||||
-A KUBE-POSTROUTING -j MARK --xor-mark 0x4000
|
||||
|
||||
Loading…
Reference in New Issue
Block a user