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Merge pull request #20520 from thockin/iptables-test-nits
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0cc0bd342f
@ -36,7 +36,6 @@ func checkAllLines(t *testing.T, table utiliptables.Table, save []byte, expected
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}
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func TestReadLinesFromByteBuffer(t *testing.T) {
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testFn := func(byteArray []byte, expected []string) {
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index := 0
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readIndex := 0
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@ -68,7 +67,7 @@ func TestReadLinesFromByteBuffer(t *testing.T) {
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testFn(byteArray1, expected1)
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}
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func TestgetChainLines(t *testing.T) {
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func TestGetChainLines(t *testing.T) {
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iptables_save := `# Generated by iptables-save v1.4.7 on Wed Oct 29 14:56:01 2014
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*nat
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:PREROUTING ACCEPT [2136997:197881818]
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@ -85,7 +84,7 @@ func TestgetChainLines(t *testing.T) {
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checkAllLines(t, utiliptables.TableNAT, []byte(iptables_save), expected)
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}
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func TestgetChainLinesMultipleTables(t *testing.T) {
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func TestGetChainLinesMultipleTables(t *testing.T) {
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iptables_save := `# Generated by iptables-save v1.4.21 on Fri Aug 7 14:47:37 2015
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*nat
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:PREROUTING ACCEPT [2:138]
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@ -97,12 +96,12 @@ func TestgetChainLinesMultipleTables(t *testing.T) {
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:KUBE-NODEPORT-HOST - [0:0]
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:KUBE-PORTALS-CONTAINER - [0:0]
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:KUBE-PORTALS-HOST - [0:0]
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:KUBE-SVC-Dgkr8H9s4LQ2mn-Py5U - [0:0]
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:KUBE-SVC-PknUqKuv-LNZiCKRqGm - [0:0]
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:KUBE-SVC-RWEx6uDf8yWGww1OQ8E - [0:0]
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:KUBE-SVC-UvIpe7oTYVlacW1-G4C - [0:0]
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:KUBE-SVC-g_TrwxBdTXDbEtecmNo - [0:0]
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:KUBE-SVC-gvTMDzeC8lcXUan15iP - [0:0]
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:KUBE-SVC-1111111111111111 - [0:0]
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:KUBE-SVC-2222222222222222 - [0:0]
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:KUBE-SVC-3333333333333333 - [0:0]
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:KUBE-SVC-4444444444444444 - [0:0]
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:KUBE-SVC-5555555555555555 - [0:0]
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:KUBE-SVC-6666666666666666 - [0:0]
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-A PREROUTING -m comment --comment "handle ClusterIPs; NOTE: this must be before the NodePort rules" -j KUBE-PORTALS-CONTAINER
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-A PREROUTING -m addrtype --dst-type LOCAL -j DOCKER
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-A PREROUTING -m addrtype --dst-type LOCAL -m comment --comment "handle service NodePorts; NOTE: this must be the last rule in the chain" -j KUBE-NODEPORT-CONTAINER
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@ -111,18 +110,18 @@ func TestgetChainLinesMultipleTables(t *testing.T) {
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-A OUTPUT -m addrtype --dst-type LOCAL -m comment --comment "handle service NodePorts; NOTE: this must be the last rule in the chain" -j KUBE-NODEPORT-HOST
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-A POSTROUTING -s 10.246.1.0/24 ! -o cbr0 -j MASQUERADE
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-A POSTROUTING -s 10.0.2.15/32 -d 10.0.2.15/32 -m comment --comment "handle pod connecting to self" -j MASQUERADE
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-A KUBE-PORTALS-CONTAINER -d 10.247.0.1/32 -p tcp -m comment --comment "portal for default/kubernetes:" -m state --state NEW -m tcp --dport 443 -j KUBE-SVC-g_TrwxBdTXDbEtecmNo
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-A KUBE-PORTALS-CONTAINER -d 10.247.0.10/32 -p udp -m comment --comment "portal for kube-system/kube-dns:dns" -m state --state NEW -m udp --dport 53 -j KUBE-SVC-gvTMDzeC8lcXUan15iP
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-A KUBE-PORTALS-CONTAINER -d 10.247.0.10/32 -p tcp -m comment --comment "portal for kube-system/kube-dns:dns-tcp" -m state --state NEW -m tcp --dport 53 -j KUBE-SVC-PknUqKuv-LNZiCKRqGm
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-A KUBE-PORTALS-HOST -d 10.247.0.1/32 -p tcp -m comment --comment "portal for default/kubernetes:" -m state --state NEW -m tcp --dport 443 -j KUBE-SVC-g_TrwxBdTXDbEtecmNo
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-A KUBE-PORTALS-HOST -d 10.247.0.10/32 -p udp -m comment --comment "portal for kube-system/kube-dns:dns" -m state --state NEW -m udp --dport 53 -j KUBE-SVC-gvTMDzeC8lcXUan15iP
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-A KUBE-PORTALS-HOST -d 10.247.0.10/32 -p tcp -m comment --comment "portal for kube-system/kube-dns:dns-tcp" -m state --state NEW -m tcp --dport 53 -j KUBE-SVC-PknUqKuv-LNZiCKRqGm
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-A KUBE-SVC-Dgkr8H9s4LQ2mn-Py5U -p udp -m comment --comment "kube-system/kube-dns:dns" -m recent --set --name KUBE-SVC-Dgkr8H9s4LQ2mn-Py5U --mask 255.255.255.255 --rsource -j DNAT --to-destination 10.246.1.2:53
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-A KUBE-SVC-PknUqKuv-LNZiCKRqGm -m comment --comment "kube-system/kube-dns:dns-tcp" -j KUBE-SVC-RWEx6uDf8yWGww1OQ8E
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-A KUBE-SVC-RWEx6uDf8yWGww1OQ8E -p tcp -m comment --comment "kube-system/kube-dns:dns-tcp" -m recent --set --name KUBE-SVC-RWEx6uDf8yWGww1OQ8E --mask 255.255.255.255 --rsource -j DNAT --to-destination 10.246.1.2:53
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-A KUBE-SVC-UvIpe7oTYVlacW1-G4C -p tcp -m comment --comment "default/kubernetes:" -m recent --set --name KUBE-SVC-UvIpe7oTYVlacW1-G4C --mask 255.255.255.255 --rsource -j DNAT --to-destination 10.245.1.2:443
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-A KUBE-SVC-g_TrwxBdTXDbEtecmNo -m comment --comment "default/kubernetes:" -j KUBE-SVC-UvIpe7oTYVlacW1-G4C
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-A KUBE-SVC-gvTMDzeC8lcXUan15iP -m comment --comment "kube-system/kube-dns:dns" -j KUBE-SVC-Dgkr8H9s4LQ2mn-Py5U
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-A KUBE-PORTALS-CONTAINER -d 10.247.0.1/32 -p tcp -m comment --comment "portal for default/kubernetes:" -m state --state NEW -m tcp --dport 443 -j KUBE-SVC-5555555555555555
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-A KUBE-PORTALS-CONTAINER -d 10.247.0.10/32 -p udp -m comment --comment "portal for kube-system/kube-dns:dns" -m state --state NEW -m udp --dport 53 -j KUBE-SVC-6666666666666666
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-A KUBE-PORTALS-CONTAINER -d 10.247.0.10/32 -p tcp -m comment --comment "portal for kube-system/kube-dns:dns-tcp" -m state --state NEW -m tcp --dport 53 -j KUBE-SVC-2222222222222222
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-A KUBE-PORTALS-HOST -d 10.247.0.1/32 -p tcp -m comment --comment "portal for default/kubernetes:" -m state --state NEW -m tcp --dport 443 -j KUBE-SVC-5555555555555555
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-A KUBE-PORTALS-HOST -d 10.247.0.10/32 -p udp -m comment --comment "portal for kube-system/kube-dns:dns" -m state --state NEW -m udp --dport 53 -j KUBE-SVC-6666666666666666
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-A KUBE-PORTALS-HOST -d 10.247.0.10/32 -p tcp -m comment --comment "portal for kube-system/kube-dns:dns-tcp" -m state --state NEW -m tcp --dport 53 -j KUBE-SVC-2222222222222222
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-A KUBE-SVC-1111111111111111 -p udp -m comment --comment "kube-system/kube-dns:dns" -m recent --set --name KUBE-SVC-1111111111111111 --mask 255.255.255.255 --rsource -j DNAT --to-destination 10.246.1.2:53
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-A KUBE-SVC-2222222222222222 -m comment --comment "kube-system/kube-dns:dns-tcp" -j KUBE-SVC-3333333333333333
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-A KUBE-SVC-3333333333333333 -p tcp -m comment --comment "kube-system/kube-dns:dns-tcp" -m recent --set --name KUBE-SVC-3333333333333333 --mask 255.255.255.255 --rsource -j DNAT --to-destination 10.246.1.2:53
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-A KUBE-SVC-4444444444444444 -p tcp -m comment --comment "default/kubernetes:" -m recent --set --name KUBE-SVC-4444444444444444 --mask 255.255.255.255 --rsource -j DNAT --to-destination 10.245.1.2:443
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-A KUBE-SVC-5555555555555555 -m comment --comment "default/kubernetes:" -j KUBE-SVC-4444444444444444
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-A KUBE-SVC-6666666666666666 -m comment --comment "kube-system/kube-dns:dns" -j KUBE-SVC-1111111111111111
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COMMIT
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# Completed on Fri Aug 7 14:47:37 2015
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# Generated by iptables-save v1.4.21 on Fri Aug 7 14:47:37 2015
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@ -138,21 +137,23 @@ func TestgetChainLinesMultipleTables(t *testing.T) {
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COMMIT
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`
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expected := map[utiliptables.Chain]string{
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utiliptables.ChainPrerouting: ":PREROUTING ACCEPT [2:138]",
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utiliptables.Chain("INPUT"): ":INPUT ACCEPT [0:0]",
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utiliptables.Chain("OUTPUT"): ":OUTPUT ACCEPT [0:0]",
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utiliptables.ChainPostrouting: ":POSTROUTING ACCEPT [0:0]",
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utiliptables.Chain("DOCKER"): ":DOCKER - [0:0]",
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utiliptables.Chain("KUBE-NODEPORT-CONTAINER"): ":KUBE-NODEPORT-CONTAINER - [0:0]",
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utiliptables.Chain("KUBE-NODEPORT-HOST"): ":KUBE-NODEPORT-HOST - [0:0]",
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utiliptables.Chain("KUBE-PORTALS-CONTAINER"): ":KUBE-PORTALS-CONTAINER - [0:0]",
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utiliptables.Chain("KUBE-PORTALS-HOST"): ":KUBE-PORTALS-HOST - [0:0]",
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utiliptables.Chain("KUBE-SVC-Dgkr8H9s4LQ2mn-Py5U"): ":KUBE-SVC-Dgkr8H9s4LQ2mn-Py5U - [0:0]",
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utiliptables.Chain("KUBE-SVC-PknUqKuv-LNZiCKRqGm"): ":KUBE-SVC-PknUqKuv-LNZiCKRqGm - [0:0]",
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utiliptables.Chain("KUBE-SVC-RWEx6uDf8yWGww1OQ8E"): ":KUBE-SVC-RWEx6uDf8yWGww1OQ8E - [0:0]",
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utiliptables.Chain("KUBE-SVC-UvIpe7oTYVlacW1-G4C"): ":KUBE-SVC-UvIpe7oTYVlacW1-G4C - [0:0]",
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utiliptables.Chain("KUBE-SVC-g_TrwxBdTXDbEtecmNo"): ":KUBE-SVC-g_TrwxBdTXDbEtecmNo - [0:0]",
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utiliptables.Chain("KUBE-SVC-gvTMDzeC8lcXUan15iP"): ":KUBE-SVC-gvTMDzeC8lcXUan15iP - [0:0]",
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utiliptables.ChainPrerouting: ":PREROUTING ACCEPT [2:138]",
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utiliptables.Chain("INPUT"): ":INPUT ACCEPT [0:0]",
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utiliptables.Chain("OUTPUT"): ":OUTPUT ACCEPT [0:0]",
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utiliptables.ChainPostrouting: ":POSTROUTING ACCEPT [0:0]",
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utiliptables.Chain("DOCKER"): ":DOCKER - [0:0]",
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utiliptables.Chain("KUBE-NODEPORT-CONTAINER"): ":KUBE-NODEPORT-CONTAINER - [0:0]",
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utiliptables.Chain("KUBE-NODEPORT-HOST"): ":KUBE-NODEPORT-HOST - [0:0]",
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utiliptables.Chain("KUBE-PORTALS-CONTAINER"): ":KUBE-PORTALS-CONTAINER - [0:0]",
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utiliptables.Chain("KUBE-PORTALS-HOST"): ":KUBE-PORTALS-HOST - [0:0]",
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utiliptables.Chain("KUBE-SVC-1111111111111111"): ":KUBE-SVC-1111111111111111 - [0:0]",
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utiliptables.Chain("KUBE-SVC-2222222222222222"): ":KUBE-SVC-2222222222222222 - [0:0]",
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utiliptables.Chain("KUBE-SVC-3333333333333333"): ":KUBE-SVC-3333333333333333 - [0:0]",
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utiliptables.Chain("KUBE-SVC-4444444444444444"): ":KUBE-SVC-4444444444444444 - [0:0]",
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utiliptables.Chain("KUBE-SVC-5555555555555555"): ":KUBE-SVC-5555555555555555 - [0:0]",
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utiliptables.Chain("KUBE-SVC-6666666666666666"): ":KUBE-SVC-6666666666666666 - [0:0]",
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}
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checkAllLines(t, utiliptables.TableNAT, []byte(iptables_save), expected)
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}
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// TODO(thockin): add a test for syncProxyRules() or break it down further and test the pieces.
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