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kube-proxy: don't use invalid cidrs in unit test

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CIDRs like 192.168.200.3/24 and fd00:20::1/64 replaced with
192.168.200.0/24 and fd00:20::/64
This commit is contained in:
Lars Ekman 2024-01-09 07:15:31 +01:00
parent 85097f3d2c
commit 41ba76d23e
3 changed files with 50 additions and 54 deletions
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54
cmd/kube-proxy/app/server_linux_test.go
View File

@ -129,9 +129,9 @@ func Test_getLocalDetector(t *testing.T) {
{
name: "LocalModeClusterCIDR, IPv6 cluster",
mode: proxyconfigapi.LocalModeClusterCIDR,
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002::1234:abcd:ffff:c0a8:101/64"},
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002:0:0:1234::/64"},
family: v1.IPv6Protocol,
expected: resolveLocalDetector(t)(proxyutiliptables.NewDetectLocalByCIDR("2002::1234:abcd:ffff:c0a8:101/64")),
expected: resolveLocalDetector(t)(proxyutiliptables.NewDetectLocalByCIDR("2002:0:0:1234::/64")),
errExpected: false,
},
{
@ -145,7 +145,7 @@ func Test_getLocalDetector(t *testing.T) {
{
name: "LocalModeClusterCIDR, IPv4 cluster with IPv6 config",
mode: proxyconfigapi.LocalModeClusterCIDR,
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002::1234:abcd:ffff:c0a8:101/64"},
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002:0:0:1234::/64"},
family: v1.IPv4Protocol,
expected: proxyutiliptables.NewNoOpLocalDetector(),
errExpected: false,
@ -153,7 +153,7 @@ func Test_getLocalDetector(t *testing.T) {
{
name: "LocalModeClusterCIDR, IPv4 kube-proxy in dual-stack IPv6-primary cluster",
mode: proxyconfigapi.LocalModeClusterCIDR,
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002::1234:abcd:ffff:c0a8:101/64,10.0.0.0/14"},
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002:0:0:1234::/64,10.0.0.0/14"},
family: v1.IPv4Protocol,
expected: resolveLocalDetector(t)(proxyutiliptables.NewDetectLocalByCIDR("10.0.0.0/14")),
errExpected: false,
@ -179,10 +179,10 @@ func Test_getLocalDetector(t *testing.T) {
{
name: "LocalModeNodeCIDR, IPv6 cluster",
mode: proxyconfigapi.LocalModeNodeCIDR,
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002::1234:abcd:ffff:c0a8:101/64"},
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002:0:0:1234::/64"},
family: v1.IPv6Protocol,
expected: resolveLocalDetector(t)(proxyutiliptables.NewDetectLocalByCIDR("2002::1234:abcd:ffff:c0a8:101/96")),
nodePodCIDRs: []string{"2002::1234:abcd:ffff:c0a8:101/96"},
expected: resolveLocalDetector(t)(proxyutiliptables.NewDetectLocalByCIDR("2002::1234:abcd:ffff:0:0/96")),
nodePodCIDRs: []string{"2002::1234:abcd:ffff:0:0/96"},
errExpected: false,
},
{
@ -197,19 +197,19 @@ func Test_getLocalDetector(t *testing.T) {
{
name: "LocalModeNodeCIDR, IPv4 cluster with IPv6 config",
mode: proxyconfigapi.LocalModeNodeCIDR,
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002::1234:abcd:ffff:c0a8:101/64"},
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002:0:0:1234::/64"},
family: v1.IPv4Protocol,
expected: proxyutiliptables.NewNoOpLocalDetector(),
nodePodCIDRs: []string{"2002::1234:abcd:ffff:c0a8:101/96"},
nodePodCIDRs: []string{"2002::1234:abcd:ffff:0:0/96"},
errExpected: false,
},
{
name: "LocalModeNodeCIDR, IPv6 kube-proxy in dual-stack IPv4-primary cluster",
mode: proxyconfigapi.LocalModeNodeCIDR,
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "10.0.0.0/14,2002::1234:abcd:ffff:c0a8:101/64"},
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "10.0.0.0/14,2002:0:0:1234::/64"},
family: v1.IPv6Protocol,
expected: resolveLocalDetector(t)(proxyutiliptables.NewDetectLocalByCIDR("2002::1234:abcd:ffff:c0a8:101/96")),
nodePodCIDRs: []string{"10.0.0.0/24", "2002::1234:abcd:ffff:c0a8:101/96"},
expected: resolveLocalDetector(t)(proxyutiliptables.NewDetectLocalByCIDR("2002::1234:abcd:ffff:0:0/96")),
nodePodCIDRs: []string{"10.0.0.0/24", "2002::1234:abcd:ffff:0:0/96"},
errExpected: false,
},
{
@ -307,19 +307,19 @@ func Test_getDualStackLocalDetectorTuple(t *testing.T) {
{
name: "LocalModeClusterCIDR, dual-stack IPv4-primary cluster",
mode: proxyconfigapi.LocalModeClusterCIDR,
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "10.0.0.0/14,2002::1234:abcd:ffff:c0a8:101/64"},
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "10.0.0.0/14,2002:0:0:1234::/64"},
expected: resolveDualStackLocalDetectors(t)(
proxyutiliptables.NewDetectLocalByCIDR("10.0.0.0/14"))(
proxyutiliptables.NewDetectLocalByCIDR("2002::1234:abcd:ffff:c0a8:101/64")),
proxyutiliptables.NewDetectLocalByCIDR("2002:0:0:1234::/64")),
errExpected: false,
},
{
name: "LocalModeClusterCIDR, dual-stack IPv6-primary cluster",
mode: proxyconfigapi.LocalModeClusterCIDR,
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002::1234:abcd:ffff:c0a8:101/64,10.0.0.0/14"},
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002:0:0:1234::/64,10.0.0.0/14"},
expected: resolveDualStackLocalDetectors(t)(
proxyutiliptables.NewDetectLocalByCIDR("10.0.0.0/14"))(
proxyutiliptables.NewDetectLocalByCIDR("2002::1234:abcd:ffff:c0a8:101/64")),
proxyutiliptables.NewDetectLocalByCIDR("2002:0:0:1234::/64")),
errExpected: false,
},
{
@ -334,10 +334,10 @@ func Test_getDualStackLocalDetectorTuple(t *testing.T) {
{
name: "LocalModeClusterCIDR, single-stack IPv6 cluster",
mode: proxyconfigapi.LocalModeClusterCIDR,
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002::1234:abcd:ffff:c0a8:101/64"},
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002:0:0:1234::/64"},
expected: [2]proxyutiliptables.LocalTrafficDetector{
proxyutiliptables.NewNoOpLocalDetector(),
resolveLocalDetector(t)(proxyutiliptables.NewDetectLocalByCIDR("2002::1234:abcd:ffff:c0a8:101/64"))},
resolveLocalDetector(t)(proxyutiliptables.NewDetectLocalByCIDR("2002:0:0:1234::/64"))},
errExpected: false,
},
{
@ -351,21 +351,21 @@ func Test_getDualStackLocalDetectorTuple(t *testing.T) {
{
name: "LocalModeNodeCIDR, dual-stack IPv4-primary cluster",
mode: proxyconfigapi.LocalModeNodeCIDR,
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "10.0.0.0/14,2002::1234:abcd:ffff:c0a8:101/64"},
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "10.0.0.0/14,2002:0:0:1234::/64"},
expected: resolveDualStackLocalDetectors(t)(
proxyutiliptables.NewDetectLocalByCIDR("10.0.0.0/24"))(
proxyutiliptables.NewDetectLocalByCIDR("2002::1234:abcd:ffff:c0a8:101/96")),
nodePodCIDRs: []string{"10.0.0.0/24", "2002::1234:abcd:ffff:c0a8:101/96"},
proxyutiliptables.NewDetectLocalByCIDR("2002::1234:abcd:ffff:0:0/96")),
nodePodCIDRs: []string{"10.0.0.0/24", "2002::1234:abcd:ffff:0:0/96"},
errExpected: false,
},
{
name: "LocalModeNodeCIDR, dual-stack IPv6-primary cluster",
mode: proxyconfigapi.LocalModeNodeCIDR,
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002::1234:abcd:ffff:c0a8:101/64,10.0.0.0/14"},
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002:0:0:1234::/64,10.0.0.0/14"},
expected: resolveDualStackLocalDetectors(t)(
proxyutiliptables.NewDetectLocalByCIDR("10.0.0.0/24"))(
proxyutiliptables.NewDetectLocalByCIDR("2002::1234:abcd:ffff:c0a8:101/96")),
nodePodCIDRs: []string{"2002::1234:abcd:ffff:c0a8:101/96", "10.0.0.0/24"},
proxyutiliptables.NewDetectLocalByCIDR("2002::1234:abcd:ffff:0:0/96")),
nodePodCIDRs: []string{"2002::1234:abcd:ffff:0:0/96", "10.0.0.0/24"},
errExpected: false,
},
{
@ -381,11 +381,11 @@ func Test_getDualStackLocalDetectorTuple(t *testing.T) {
{
name: "LocalModeNodeCIDR, single-stack IPv6 cluster",
mode: proxyconfigapi.LocalModeNodeCIDR,
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002::1234:abcd:ffff:c0a8:101/64"},
config: &proxyconfigapi.KubeProxyConfiguration{ClusterCIDR: "2002:0:0:1234::/64"},
expected: [2]proxyutiliptables.LocalTrafficDetector{
proxyutiliptables.NewNoOpLocalDetector(),
resolveLocalDetector(t)(proxyutiliptables.NewDetectLocalByCIDR("2002::1234:abcd:ffff:c0a8:101/96"))},
nodePodCIDRs: []string{"2002::1234:abcd:ffff:c0a8:101/96"},
resolveLocalDetector(t)(proxyutiliptables.NewDetectLocalByCIDR("2002::1234:abcd:ffff:0:0/96"))},
nodePodCIDRs: []string{"2002::1234:abcd:ffff:0:0/96"},
errExpected: false,
},
{

14
pkg/proxy/util/iptables/traffic_test.go
View File

@ -48,7 +48,7 @@ func TestNewDetectLocalByCIDR(t *testing.T) {
errExpected: false,
},
{
cidr: "2002::1234:abcd:ffff:c0a8:101/64",
cidr: "2002:0:0:1234::/64",
errExpected: false,
},
{
@ -56,11 +56,7 @@ func TestNewDetectLocalByCIDR(t *testing.T) {
errExpected: true,
},
{
cidr: "2002::1234:abcd:ffff:c0a8:101",
errExpected: true,
},
{
cidr: "",
cidr: "2002:0:0:1234::",
errExpected: true,
},
{
@ -94,9 +90,9 @@ func TestDetectLocalByCIDR(t *testing.T) {
expectedIfNotLocalOutput: []string{"!", "-s", "10.0.0.0/14"},
},
{
cidr: "2002::1234:abcd:ffff:c0a8:101/64",
expectedIfLocalOutput: []string{"-s", "2002::1234:abcd:ffff:c0a8:101/64"},
expectedIfNotLocalOutput: []string{"!", "-s", "2002::1234:abcd:ffff:c0a8:101/64"},
cidr: "2002:0:0:1234::/64",
expectedIfLocalOutput: []string{"-s", "2002:0:0:1234::/64"},
expectedIfNotLocalOutput: []string{"!", "-s", "2002:0:0:1234::/64"},
},
}
for _, c := range cases {

36
pkg/proxy/util/utils_test.go
View File

@ -372,58 +372,58 @@ func TestMapCIDRsByIPFamily(t *testing.T) {
},
{
desc: "want IPv4 and receive IPv6",
ipString: []string{"fd00:20::1/64"},
ipString: []string{"fd00:20::/64"},
wantIPv6: false,
expectCorrect: nil,
expectIncorrect: []string{"fd00:20::1/64"},
expectIncorrect: []string{"fd00:20::/64"},
},
{
desc: "want IPv6 and receive IPv4",
ipString: []string{"192.168.200.2/24"},
ipString: []string{"192.168.200.0/24"},
wantIPv6: true,
expectCorrect: nil,
expectIncorrect: []string{"192.168.200.2/24"},
expectIncorrect: []string{"192.168.200.0/24"},
},
{
desc: "want IPv6 and receive IPv4 and IPv6",
ipString: []string{"192.168.200.2/24", "192.1.34.23/24", "fd00:20::1/64", "2001:db9::3/64"},
ipString: []string{"192.168.200.0/24", "192.1.34.0/24", "fd00:20::/64", "2001:db9::/64"},
wantIPv6: true,
expectCorrect: []string{"fd00:20::1/64", "2001:db9::3/64"},
expectIncorrect: []string{"192.168.200.2/24", "192.1.34.23/24"},
expectCorrect: []string{"fd00:20::/64", "2001:db9::/64"},
expectIncorrect: []string{"192.168.200.0/24", "192.1.34.0/24"},
},
{
desc: "want IPv4 and receive IPv4 and IPv6",
ipString: []string{"192.168.200.2/24", "192.1.34.23/24", "fd00:20::1/64", "2001:db9::3/64"},
ipString: []string{"192.168.200.0/24", "192.1.34.0/24", "fd00:20::/64", "2001:db9::/64"},
wantIPv6: false,
expectCorrect: []string{"192.168.200.2/24", "192.1.34.23/24"},
expectIncorrect: []string{"fd00:20::1/64", "2001:db9::3/64"},
expectCorrect: []string{"192.168.200.0/24", "192.1.34.0/24"},
expectIncorrect: []string{"fd00:20::/64", "2001:db9::/64"},
},
{
desc: "want IPv4 and receive IPv4 only",
ipString: []string{"192.168.200.2/24", "192.1.34.23/24"},
ipString: []string{"192.168.200.0/24", "192.1.34.0/24"},
wantIPv6: false,
expectCorrect: []string{"192.168.200.2/24", "192.1.34.23/24"},
expectCorrect: []string{"192.168.200.0/24", "192.1.34.0/24"},
expectIncorrect: nil,
},
{
desc: "want IPv6 and receive IPv4 only",
ipString: []string{"192.168.200.2/24", "192.1.34.23/24"},
ipString: []string{"192.168.200.0/24", "192.1.34.0/24"},
wantIPv6: true,
expectCorrect: nil,
expectIncorrect: []string{"192.168.200.2/24", "192.1.34.23/24"},
expectIncorrect: []string{"192.168.200.0/24", "192.1.34.0/24"},
},
{
desc: "want IPv4 and receive IPv6 only",
ipString: []string{"fd00:20::1/64", "2001:db9::3/64"},
ipString: []string{"fd00:20::/64", "2001:db9::/64"},
wantIPv6: false,
expectCorrect: nil,
expectIncorrect: []string{"fd00:20::1/64", "2001:db9::3/64"},
expectIncorrect: []string{"fd00:20::/64", "2001:db9::/64"},
},
{
desc: "want IPv6 and receive IPv6 only",
ipString: []string{"fd00:20::1/64", "2001:db9::3/64"},
ipString: []string{"fd00:20::/64", "2001:db9::/64"},
wantIPv6: true,
expectCorrect: []string{"fd00:20::1/64", "2001:db9::3/64"},
expectCorrect: []string{"fd00:20::/64", "2001:db9::/64"},
expectIncorrect: nil,
},
}