diff --git a/pkg/proxy/iptables/proxier_test.go b/pkg/proxy/iptables/proxier_test.go index 1d3e23d1903..6dc6a2c8335 100644 --- a/pkg/proxy/iptables/proxier_test.go +++ b/pkg/proxy/iptables/proxier_test.go @@ -2322,55 +2322,6 @@ func TestLoadBalancer(t *testing.T) { fp.syncProxyRules() - expected := dedent.Dedent(` - *filter - :KUBE-NODEPORTS - [0:0] - :KUBE-SERVICES - [0:0] - :KUBE-EXTERNAL-SERVICES - [0:0] - :KUBE-FIREWALL - [0:0] - :KUBE-FORWARD - [0:0] - :KUBE-PROXY-FIREWALL - [0:0] - -A KUBE-FIREWALL -m comment --comment "block incoming localnet connections" -d 127.0.0.0/8 ! -s 127.0.0.0/8 -m conntrack ! --ctstate RELATED,ESTABLISHED,DNAT -j DROP - -A KUBE-FORWARD -m conntrack --ctstate INVALID -j DROP - -A KUBE-FORWARD -m comment --comment "kubernetes forwarding rules" -m mark --mark 0x4000/0x4000 -j ACCEPT - -A KUBE-FORWARD -m comment --comment "kubernetes forwarding conntrack rule" -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT - -A KUBE-PROXY-FIREWALL -m comment --comment "ns1/svc1:p80 traffic not accepted by KUBE-FW-XPGD46QRK7WJZT7O" -m tcp -p tcp -d 1.2.3.4 --dport 80 -j DROP - -A KUBE-PROXY-FIREWALL -m comment --comment "ns1/svc1:p80 traffic not accepted by KUBE-FW-XPGD46QRK7WJZT7O" -m tcp -p tcp -d 5.6.7.8 --dport 80 -j DROP - COMMIT - *nat - :KUBE-NODEPORTS - [0:0] - :KUBE-SERVICES - [0:0] - :KUBE-EXT-XPGD46QRK7WJZT7O - [0:0] - :KUBE-FW-XPGD46QRK7WJZT7O - [0:0] - :KUBE-MARK-MASQ - [0:0] - :KUBE-POSTROUTING - [0:0] - :KUBE-SEP-SXIVWICOYRO3J4NJ - [0:0] - :KUBE-SVC-XPGD46QRK7WJZT7O - [0:0] - -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 "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 5.6.7.8 --dport 80 -j KUBE-FW-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-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" -s 192.168.0.0/24 -j KUBE-EXT-XPGD46QRK7WJZT7O - -A KUBE-FW-XPGD46QRK7WJZT7O -m comment --comment "ns1/svc1:p80 loadbalancer IP" -s 203.0.113.0/25 -j KUBE-EXT-XPGD46QRK7WJZT7O - -A KUBE-FW-XPGD46QRK7WJZT7O -m comment --comment "ns1/svc1:p80 loadbalancer IP" -s 1.2.3.4 -j KUBE-EXT-XPGD46QRK7WJZT7O - -A KUBE-FW-XPGD46QRK7WJZT7O -m comment --comment "ns1/svc1:p80 loadbalancer IP" -s 5.6.7.8 -j KUBE-EXT-XPGD46QRK7WJZT7O - -A KUBE-FW-XPGD46QRK7WJZT7O -m comment --comment "other traffic to ns1/svc1:p80 will be dropped by KUBE-PROXY-FIREWALL" - -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 - -A KUBE-POSTROUTING -m comment --comment "kubernetes service traffic requiring SNAT" -j MASQUERADE - -A KUBE-SEP-SXIVWICOYRO3J4NJ -m comment --comment ns1/svc1:p80 -s 10.180.0.1 -j KUBE-MARK-MASQ - -A KUBE-SEP-SXIVWICOYRO3J4NJ -m comment --comment ns1/svc1:p80 -m tcp -p tcp -j DNAT --to-destination 10.180.0.1:80 - -A KUBE-SVC-XPGD46QRK7WJZT7O -m comment --comment "ns1/svc1:p80 cluster IP" -m tcp -p tcp -d 172.30.0.41 --dport 80 ! -s 10.0.0.0/8 -j KUBE-MARK-MASQ - -A KUBE-SVC-XPGD46QRK7WJZT7O -m comment --comment "ns1/svc1:p80 -> 10.180.0.1:80" -j KUBE-SEP-SXIVWICOYRO3J4NJ - COMMIT - `) - - assertIPTablesRulesEqual(t, getLine(), true, expected, fp.iptablesData.String()) - runPacketFlowTests(t, getLine(), ipt, testNodeIPs, []packetFlowTest{ { name: "pod to cluster IP", @@ -2763,37 +2714,6 @@ func TestHealthCheckNodePort(t *testing.T) { makeServiceMap(fp, svc) fp.syncProxyRules() - expected := dedent.Dedent(` - *filter - :KUBE-NODEPORTS - [0:0] - :KUBE-SERVICES - [0:0] - :KUBE-EXTERNAL-SERVICES - [0:0] - :KUBE-FIREWALL - [0:0] - :KUBE-FORWARD - [0:0] - :KUBE-PROXY-FIREWALL - [0:0] - -A KUBE-NODEPORTS -m comment --comment "ns1/svc1:p80 health check node port" -m tcp -p tcp --dport 30000 -j ACCEPT - -A KUBE-SERVICES -m comment --comment "ns1/svc1:p80 has no endpoints" -m tcp -p tcp -d 172.30.0.42 --dport 80 -j REJECT - -A KUBE-EXTERNAL-SERVICES -m comment --comment "ns1/svc1:p80 has no endpoints" -m addrtype --dst-type LOCAL -m tcp -p tcp --dport 3001 -j REJECT - -A KUBE-FIREWALL -m comment --comment "block incoming localnet connections" -d 127.0.0.0/8 ! -s 127.0.0.0/8 -m conntrack ! --ctstate RELATED,ESTABLISHED,DNAT -j DROP - -A KUBE-FORWARD -m conntrack --ctstate INVALID -j DROP - -A KUBE-FORWARD -m comment --comment "kubernetes forwarding rules" -m mark --mark 0x4000/0x4000 -j ACCEPT - -A KUBE-FORWARD -m comment --comment "kubernetes forwarding conntrack rule" -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT - COMMIT - *nat - :KUBE-NODEPORTS - [0:0] - :KUBE-SERVICES - [0:0] - :KUBE-MARK-MASQ - [0:0] - :KUBE-POSTROUTING - [0:0] - -A KUBE-SERVICES -m comment --comment "kubernetes service nodeports; NOTE: this must be the last rule in this chain" -d 127.0.0.1 -j KUBE-NODEPORTS - -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 - -A KUBE-POSTROUTING -m comment --comment "kubernetes service traffic requiring SNAT" -j MASQUERADE - COMMIT - `) - - assertIPTablesRulesEqual(t, getLine(), true, expected, fp.iptablesData.String()) - runPacketFlowTests(t, getLine(), ipt, testNodeIPs, []packetFlowTest{ { name: "firewall accepts HealthCheckNodePort",