Files
kubernetes/pkg/proxy/apis/config/validation/validation_test.go

1242 lines
50 KiB
Go

/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package validation
import (
"runtime"
"testing"
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/validation/field"
componentbaseconfig "k8s.io/component-base/config"
logsapi "k8s.io/component-base/logs/api/v1"
kubeproxyconfig "k8s.io/kubernetes/pkg/proxy/apis/config"
"k8s.io/utils/ptr"
)
func TestValidateKubeProxyConfiguration(t *testing.T) {
var proxyMode kubeproxyconfig.ProxyMode
if runtime.GOOS == "windows" {
proxyMode = kubeproxyconfig.ProxyModeKernelspace
} else {
proxyMode = kubeproxyconfig.ProxyModeIPVS
}
successCases := map[string]struct {
config kubeproxyconfig.KubeProxyConfiguration
}{
"Mode specified, extra mode-specific configs": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "192.168.59.103",
HealthzBindAddress: "0.0.0.0:10256",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Mode: proxyMode,
IPVS: kubeproxyconfig.KubeProxyIPVSConfiguration{
SyncPeriod: metav1.Duration{Duration: 10 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 5 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
},
"basic config, unspecified Mode": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "192.168.59.103",
HealthzBindAddress: "0.0.0.0:10256",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
},
"empty HealthzBindAddress": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "192.168.59.103",
HealthzBindAddress: "",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
},
"IPv6": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "fd00:192:168:59::103",
HealthzBindAddress: "",
MetricsBindAddress: "[::1]:10249",
ClusterCIDR: "fd00:192:168:59::/64",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
},
"alternate healthz port": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11",
HealthzBindAddress: "0.0.0.0:12345",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
},
"ClusterCIDR is wrong IP family": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11",
HealthzBindAddress: "0.0.0.0:12345",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "fd00:192:168::/64",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
},
"ClusterCIDR is dual-stack": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11",
HealthzBindAddress: "0.0.0.0:12345",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24,fd00:192:168::/64",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
},
"LocalModeInterfaceNamePrefix": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11",
HealthzBindAddress: "0.0.0.0:12345",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
DetectLocalMode: kubeproxyconfig.LocalModeInterfaceNamePrefix,
DetectLocal: kubeproxyconfig.DetectLocalConfiguration{
InterfaceNamePrefix: "vethabcde",
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
},
"LocalModeBridgeInterface": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11",
HealthzBindAddress: "0.0.0.0:12345",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
DetectLocalMode: kubeproxyconfig.LocalModeBridgeInterface,
DetectLocal: kubeproxyconfig.DetectLocalConfiguration{
BridgeInterface: "avz",
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
},
}
for _, successCase := range successCases {
if errs := Validate(&successCase.config); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
newPath := field.NewPath("KubeProxyConfiguration")
testCases := map[string]struct {
config kubeproxyconfig.KubeProxyConfiguration
expectedErrs field.ErrorList
}{
"invalid BindAddress": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11:2000",
HealthzBindAddress: "0.0.0.0:10256",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("BindAddress"), "10.10.12.11:2000", "not a valid textual representation of an IP address")},
},
"invalid HealthzBindAddress": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11",
HealthzBindAddress: "0.0.0.0",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("HealthzBindAddress"), "0.0.0.0", "must be IP:port")},
},
"invalid MetricsBindAddress": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11",
HealthzBindAddress: "0.0.0.0:12345",
MetricsBindAddress: "127.0.0.1",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("MetricsBindAddress"), "127.0.0.1", "must be IP:port")},
},
"ClusterCIDR missing subset range": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11",
HealthzBindAddress: "0.0.0.0:12345",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ClusterCIDR"), "192.168.59.0", "must be a valid CIDR block (e.g. 10.100.0.0/16 or fde4:8dba:82e1::/48)")},
},
"Invalid number of ClusterCIDRs": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11",
HealthzBindAddress: "0.0.0.0:12345",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24,fd00:192:168::/64,10.0.0.0/16",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ClusterCIDR"), "192.168.59.0/24,fd00:192:168::/64,10.0.0.0/16", "only one CIDR allowed or a valid DualStack CIDR (e.g. 10.100.0.0/16,fde4:8dba:82e1::/48)")},
},
"ConfigSyncPeriod must be > 0": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11",
HealthzBindAddress: "0.0.0.0:12345",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: -1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ConfigSyncPeriod"), metav1.Duration{Duration: -1 * time.Second}, "must be greater than 0")},
},
"IPVS mode selected without providing required SyncPeriod": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "192.168.59.103",
HealthzBindAddress: "0.0.0.0:10256",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
// not specifying valid period in IPVS mode.
Mode: kubeproxyconfig.ProxyModeIPVS,
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeProxyIPVSConfiguration.SyncPeriod"), metav1.Duration{Duration: 0}, "must be greater than 0")},
},
"interfacePrefix is empty": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11",
HealthzBindAddress: "0.0.0.0:12345",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
DetectLocalMode: kubeproxyconfig.LocalModeInterfaceNamePrefix,
DetectLocal: kubeproxyconfig.DetectLocalConfiguration{
InterfaceNamePrefix: "",
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("InterfacePrefix"), "", "must not be empty")},
},
"bridgeInterfaceName is empty": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11",
HealthzBindAddress: "0.0.0.0:12345",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
DetectLocalMode: kubeproxyconfig.LocalModeBridgeInterface,
DetectLocal: kubeproxyconfig.DetectLocalConfiguration{
InterfaceNamePrefix: "eth0", // we won't care about prefix since mode is not prefix
},
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("InterfaceName"), "", "must not be empty")},
},
"invalid DetectLocalMode": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11",
HealthzBindAddress: "0.0.0.0:12345",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
DetectLocalMode: "Guess",
Logging: logsapi.LoggingConfiguration{
Format: "text",
},
},
expectedErrs: field.ErrorList{field.NotSupported(newPath.Child("DetectLocalMode"), "Guess", []string{"ClusterCIDR", "NodeCIDR", "BridgeInterface", "InterfaceNamePrefix", ""})},
},
"invalid logging format": {
config: kubeproxyconfig.KubeProxyConfiguration{
BindAddress: "10.10.12.11",
HealthzBindAddress: "0.0.0.0:12345",
MetricsBindAddress: "127.0.0.1:10249",
ClusterCIDR: "192.168.59.0/24",
ConfigSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
IPTables: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
Conntrack: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
},
Logging: logsapi.LoggingConfiguration{
Format: "unsupported format",
},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("logging.format"), "unsupported format", "Unsupported log format")},
},
}
for name, testCase := range testCases {
if runtime.GOOS == "windows" && testCase.config.Mode == kubeproxyconfig.ProxyModeIPVS {
// IPVS is not supported on Windows.
t.Log("Skipping test on Windows: ", name)
continue
}
t.Run(name, func(t *testing.T) {
errs := Validate(&testCase.config)
if len(testCase.expectedErrs) != len(errs) {
t.Fatalf("Expected %d errors, got %d errors: %v", len(testCase.expectedErrs), len(errs), errs)
}
for i, err := range errs {
if err.Error() != testCase.expectedErrs[i].Error() {
t.Fatalf("Expected error: %s, got %s", testCase.expectedErrs[i], err.Error())
}
}
})
}
}
func TestValidateKubeProxyIPTablesConfiguration(t *testing.T) {
newPath := field.NewPath("KubeProxyConfiguration")
testCases := map[string]struct {
config kubeproxyconfig.KubeProxyIPTablesConfiguration
expectedErrs field.ErrorList
}{
"valid iptables config": {
config: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
expectedErrs: field.ErrorList{},
},
"valid custom MasqueradeBit": {
config: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeBit: ptr.To[int32](5),
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
expectedErrs: field.ErrorList{},
},
"SyncPeriod must be > 0": {
config: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: -5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeIPTablesConfiguration.SyncPeriod"), metav1.Duration{Duration: -5 * time.Second}, "must be greater than 0"),
field.Invalid(newPath.Child("KubeIPTablesConfiguration.SyncPeriod"), metav1.Duration{Duration: 2 * time.Second}, "must be greater than or equal to KubeProxyConfiguration.KubeIPTablesConfiguration.MinSyncPeriod")},
},
"MinSyncPeriod must be > 0": {
config: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeBit: ptr.To[int32](5),
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: -1 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeIPTablesConfiguration.MinSyncPeriod"), metav1.Duration{Duration: -1 * time.Second}, "must be greater than or equal to 0")},
},
"MasqueradeBit cannot be < 0": {
config: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeBit: ptr.To[int32](-10),
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeIPTablesConfiguration.MasqueradeBit"), -10, "must be within the range [0, 31]")},
},
"SyncPeriod must be >= MinSyncPeriod": {
config: kubeproxyconfig.KubeProxyIPTablesConfiguration{
MasqueradeBit: ptr.To[int32](5),
MasqueradeAll: true,
SyncPeriod: metav1.Duration{Duration: 1 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 5 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeIPTablesConfiguration.SyncPeriod"), metav1.Duration{Duration: 5 * time.Second}, "must be greater than or equal to KubeProxyConfiguration.KubeIPTablesConfiguration.MinSyncPeriod")},
},
}
for _, testCase := range testCases {
errs := validateKubeProxyIPTablesConfiguration(testCase.config, newPath.Child("KubeIPTablesConfiguration"))
if len(testCase.expectedErrs) != len(errs) {
t.Fatalf("Expected %d errors, got %d errors: %v", len(testCase.expectedErrs), len(errs), errs)
}
for i, err := range errs {
if err.Error() != testCase.expectedErrs[i].Error() {
t.Errorf("Expected error: %s, got %s", testCase.expectedErrs[i], err.Error())
}
}
}
}
func TestValidateKubeProxyIPVSConfiguration(t *testing.T) {
newPath := field.NewPath("KubeProxyConfiguration")
testCases := map[string]struct {
config kubeproxyconfig.KubeProxyIPVSConfiguration
expectedErrs field.ErrorList
}{
"SyncPeriod is not greater than 0": {
config: kubeproxyconfig.KubeProxyIPVSConfiguration{
SyncPeriod: metav1.Duration{Duration: -5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 2 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeIPVSConfiguration.SyncPeriod"), metav1.Duration{Duration: -5 * time.Second}, "must be greater than 0"),
field.Invalid(newPath.Child("KubeIPVSConfiguration.SyncPeriod"), metav1.Duration{Duration: 2 * time.Second}, "must be greater than or equal to KubeProxyConfiguration.KubeIPVSConfiguration.MinSyncPeriod")},
},
"SyncPeriod cannot be 0": {
config: kubeproxyconfig.KubeProxyIPVSConfiguration{
SyncPeriod: metav1.Duration{Duration: 0 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 10 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeIPVSConfiguration.SyncPeriod"), metav1.Duration{Duration: 0}, "must be greater than 0"),
field.Invalid(newPath.Child("KubeIPVSConfiguration.SyncPeriod"), metav1.Duration{Duration: 10 * time.Second}, "must be greater than or equal to KubeProxyConfiguration.KubeIPVSConfiguration.MinSyncPeriod")},
},
"MinSyncPeriod cannot be less than 0": {
config: kubeproxyconfig.KubeProxyIPVSConfiguration{
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: -1 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeIPVSConfiguration.MinSyncPeriod"), metav1.Duration{Duration: -1 * time.Second}, "must be greater than or equal to 0")},
},
"SyncPeriod must be greater than MinSyncPeriod": {
config: kubeproxyconfig.KubeProxyIPVSConfiguration{
SyncPeriod: metav1.Duration{Duration: 1 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 5 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeIPVSConfiguration.SyncPeriod"), metav1.Duration{Duration: 5 * time.Second}, "must be greater than or equal to KubeProxyConfiguration.KubeIPVSConfiguration.MinSyncPeriod")},
},
"SyncPeriod == MinSyncPeriod": {
config: kubeproxyconfig.KubeProxyIPVSConfiguration{
SyncPeriod: metav1.Duration{Duration: 10 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 10 * time.Second},
},
expectedErrs: field.ErrorList{},
},
"SyncPeriod should be > MinSyncPeriod": {
config: kubeproxyconfig.KubeProxyIPVSConfiguration{
SyncPeriod: metav1.Duration{Duration: 10 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 5 * time.Second},
},
expectedErrs: field.ErrorList{},
},
"MinSyncPeriod can be 0": {
config: kubeproxyconfig.KubeProxyIPVSConfiguration{
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 0 * time.Second},
},
expectedErrs: field.ErrorList{},
},
"IPVS Timeout can be 0": {
config: kubeproxyconfig.KubeProxyIPVSConfiguration{
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
TCPTimeout: metav1.Duration{Duration: 0 * time.Second},
TCPFinTimeout: metav1.Duration{Duration: 0 * time.Second},
UDPTimeout: metav1.Duration{Duration: 0 * time.Second},
},
expectedErrs: field.ErrorList{},
},
"IPVS Timeout > 0": {
config: kubeproxyconfig.KubeProxyIPVSConfiguration{
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
TCPTimeout: metav1.Duration{Duration: 1 * time.Second},
TCPFinTimeout: metav1.Duration{Duration: 2 * time.Second},
UDPTimeout: metav1.Duration{Duration: 3 * time.Second},
},
expectedErrs: field.ErrorList{},
},
"TCP,TCPFin,UDP Timeouts < 0": {
config: kubeproxyconfig.KubeProxyIPVSConfiguration{
SyncPeriod: metav1.Duration{Duration: 5 * time.Second},
TCPTimeout: metav1.Duration{Duration: -1 * time.Second},
UDPTimeout: metav1.Duration{Duration: -1 * time.Second},
TCPFinTimeout: metav1.Duration{Duration: -1 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeIPVSConfiguration.TCPTimeout"), metav1.Duration{Duration: -1 * time.Second}, "must be greater than or equal to 0"),
field.Invalid(newPath.Child("KubeIPVSConfiguration.TCPFinTimeout"), metav1.Duration{Duration: -1 * time.Second}, "must be greater than or equal to 0"),
field.Invalid(newPath.Child("KubeIPVSConfiguration.UDPTimeout"), metav1.Duration{Duration: -1 * time.Second}, "must be greater than or equal to 0")},
},
}
for _, testCase := range testCases {
errs := validateKubeProxyIPVSConfiguration(testCase.config, newPath.Child("KubeIPVSConfiguration"))
if len(testCase.expectedErrs) != len(errs) {
t.Fatalf("Expected %d errors, got %d errors: %v", len(testCase.expectedErrs), len(errs), errs)
}
for i, err := range errs {
if err.Error() != testCase.expectedErrs[i].Error() {
t.Errorf("Expected error: %s, got %s", testCase.expectedErrs[i], err.Error())
}
}
}
}
func TestValidateKubeProxyConntrackConfiguration(t *testing.T) {
newPath := field.NewPath("KubeProxyConfiguration")
testCases := map[string]struct {
config kubeproxyconfig.KubeProxyConntrackConfiguration
expectedErrs field.ErrorList
}{
"valid 5 second timeouts": {
config: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
UDPTimeout: metav1.Duration{Duration: 5 * time.Second},
UDPStreamTimeout: metav1.Duration{Duration: 5 * time.Second},
},
expectedErrs: field.ErrorList{},
},
"valid duration equal to 0 second timeout": {
config: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 0 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 0 * time.Second},
UDPTimeout: metav1.Duration{Duration: 0 * time.Second},
UDPStreamTimeout: metav1.Duration{Duration: 0 * time.Second},
},
expectedErrs: field.ErrorList{},
},
"invalid MaxPerCore < 0": {
config: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](-1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
UDPTimeout: metav1.Duration{Duration: 5 * time.Second},
UDPStreamTimeout: metav1.Duration{Duration: 5 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeConntrackConfiguration.MaxPerCore"), -1, "must be greater than or equal to 0")},
},
"invalid minimum < 0": {
config: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](-1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
UDPTimeout: metav1.Duration{Duration: 5 * time.Second},
UDPStreamTimeout: metav1.Duration{Duration: 5 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeConntrackConfiguration.Min"), -1, "must be greater than or equal to 0")},
},
"invalid TCPEstablishedTimeout < 0": {
config: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: -5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
UDPTimeout: metav1.Duration{Duration: 5 * time.Second},
UDPStreamTimeout: metav1.Duration{Duration: 5 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeConntrackConfiguration.TCPEstablishedTimeout"), metav1.Duration{Duration: -5 * time.Second}, "must be greater than or equal to 0")},
},
"invalid TCPCloseWaitTimeout < 0": {
config: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: -5 * time.Second},
UDPTimeout: metav1.Duration{Duration: 5 * time.Second},
UDPStreamTimeout: metav1.Duration{Duration: 5 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeConntrackConfiguration.TCPCloseWaitTimeout"), metav1.Duration{Duration: -5 * time.Second}, "must be greater than or equal to 0")},
},
"invalid UDPTimeout < 0": {
config: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
UDPTimeout: metav1.Duration{Duration: -5 * time.Second},
UDPStreamTimeout: metav1.Duration{Duration: 5 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeConntrackConfiguration.UDPTimeout"), metav1.Duration{Duration: -5 * time.Second}, "must be greater than or equal to 0")},
},
"invalid UDPStreamTimeout < 0": {
config: kubeproxyconfig.KubeProxyConntrackConfiguration{
MaxPerCore: ptr.To[int32](1),
Min: ptr.To[int32](1),
TCPEstablishedTimeout: &metav1.Duration{Duration: 5 * time.Second},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 5 * time.Second},
UDPTimeout: metav1.Duration{Duration: 5 * time.Second},
UDPStreamTimeout: metav1.Duration{Duration: -5 * time.Second},
},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("KubeConntrackConfiguration.UDPStreamTimeout"), metav1.Duration{Duration: -5 * time.Second}, "must be greater than or equal to 0")},
},
}
for _, testCase := range testCases {
errs := validateKubeProxyConntrackConfiguration(testCase.config, newPath.Child("KubeConntrackConfiguration"))
if len(testCase.expectedErrs) != len(errs) {
t.Fatalf("Expected %d errors, got %d errors: %v", len(testCase.expectedErrs), len(errs), errs)
}
for i, err := range errs {
if err.Error() != testCase.expectedErrs[i].Error() {
t.Errorf("Expected error: %s, got %s", testCase.expectedErrs[i], err.Error())
}
}
}
}
func TestValidateProxyMode(t *testing.T) {
if runtime.GOOS == "windows" {
testValidateProxyModeWindows(t)
} else {
testValidateProxyModeLinux(t)
}
}
func testValidateProxyModeLinux(t *testing.T) {
newPath := field.NewPath("KubeProxyConfiguration")
testCases := map[string]struct {
mode kubeproxyconfig.ProxyMode
expectedErrs field.ErrorList
}{
"blank mode should default": {
mode: kubeproxyconfig.ProxyMode(""),
},
"iptables is allowed": {
mode: kubeproxyconfig.ProxyModeIPTables,
},
"ipvs is allowed": {
mode: kubeproxyconfig.ProxyModeIPVS,
},
"nftables is allowed": {
mode: kubeproxyconfig.ProxyModeNFTables,
},
"winkernel is not allowed": {
mode: kubeproxyconfig.ProxyModeKernelspace,
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ProxyMode"), "kernelspace", "must be iptables, ipvs, nftables or blank (blank means the best-available proxy [currently iptables])")},
},
"invalid mode non-existent": {
mode: kubeproxyconfig.ProxyMode("non-existing"),
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ProxyMode"), "non-existing", "must be iptables, ipvs, nftables or blank (blank means the best-available proxy [currently iptables])")},
},
}
for _, testCase := range testCases {
errs := validateProxyMode(testCase.mode, newPath)
if len(testCase.expectedErrs) != len(errs) {
t.Fatalf("Expected %d errors, got %d errors: %v", len(testCase.expectedErrs), len(errs), errs)
}
for i, err := range errs {
if err.Error() != testCase.expectedErrs[i].Error() {
t.Errorf("Expected error: %s, got %v", testCase.expectedErrs[i], err.Error())
}
}
}
}
func testValidateProxyModeWindows(t *testing.T) {
newPath := field.NewPath("KubeProxyConfiguration")
testCases := map[string]struct {
mode kubeproxyconfig.ProxyMode
expectedErrs field.ErrorList
}{
"blank mode should default": {
mode: kubeproxyconfig.ProxyMode(""),
},
"winkernel is allowed": {
mode: kubeproxyconfig.ProxyModeKernelspace,
},
"iptables is not allowed": {
mode: kubeproxyconfig.ProxyModeIPTables,
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ProxyMode"), "iptables", "must be kernelspace or blank (blank means the most-available proxy [currently kernelspace])")},
},
"ipvs is not allowed": {
mode: kubeproxyconfig.ProxyModeIPVS,
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ProxyMode"), "ipvs", "must be kernelspace or blank (blank means the most-available proxy [currently kernelspace])")},
},
"nftables is not allowed": {
mode: kubeproxyconfig.ProxyModeNFTables,
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ProxyMode"), "nftables", "must be kernelspace or blank (blank means the most-available proxy [currently kernelspace])")},
},
"invalid mode non-existent": {
mode: kubeproxyconfig.ProxyMode("non-existing"),
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ProxyMode"), "non-existing", "must be kernelspace or blank (blank means the most-available proxy [currently kernelspace])")},
},
}
for _, testCase := range testCases {
errs := validateProxyMode(testCase.mode, newPath)
if len(testCase.expectedErrs) != len(errs) {
t.Fatalf("Expected %d errors, got %d errors: %v", len(testCase.expectedErrs), len(errs), errs)
}
for i, err := range errs {
if err.Error() != testCase.expectedErrs[i].Error() {
t.Errorf("Expected error: %s, got %v", testCase.expectedErrs[i], err.Error())
}
}
}
}
func TestValidateClientConnectionConfiguration(t *testing.T) {
newPath := field.NewPath("KubeProxyConfiguration")
testCases := map[string]struct {
ccc componentbaseconfig.ClientConnectionConfiguration
expectedErrs field.ErrorList
}{
"successful 0 value": {
ccc: componentbaseconfig.ClientConnectionConfiguration{Burst: 0},
expectedErrs: field.ErrorList{},
},
"successful 5 value": {
ccc: componentbaseconfig.ClientConnectionConfiguration{Burst: 5},
expectedErrs: field.ErrorList{},
},
"burst < 0": {
ccc: componentbaseconfig.ClientConnectionConfiguration{Burst: -5},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("Burst"), -5, "must be greater than or equal to 0")},
},
}
for _, testCase := range testCases {
errs := validateClientConnectionConfiguration(testCase.ccc, newPath)
if len(testCase.expectedErrs) != len(errs) {
t.Fatalf("Expected %d errors, got %d errors: %v", len(testCase.expectedErrs), len(errs), errs)
}
for i, err := range errs {
if err.Error() != testCase.expectedErrs[i].Error() {
t.Errorf("Expected error: %s, got %s", testCase.expectedErrs[i], err.Error())
}
}
}
}
func TestValidateHostPort(t *testing.T) {
newPath := field.NewPath("KubeProxyConfiguration")
successCases := map[string]struct {
ip string
}{
"all IPs": {
ip: "0.0.0.0:10256",
},
"localhost": {
ip: "127.0.0.1:10256",
},
"specific IP": {
ip: "10.10.10.10:10256",
},
}
for _, successCase := range successCases {
if errs := validateHostPort(successCase.ip, newPath.Child("HealthzBindAddress")); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
errorCases := map[string]struct {
ip string
expectedErrs field.ErrorList
}{
"missing port": {
ip: "10.10.10.10",
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("HealthzBindAddress"), "10.10.10.10", "must be IP:port")},
},
"digits outside of 1-255": {
ip: "123.456.789.10:12345",
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("HealthzBindAddress"), "123.456.789.10", "must be a valid IP")},
},
"invalid named-port": {
ip: "10.10.10.10:foo",
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("HealthzBindAddress"), "foo", "must be a valid port")},
},
"port cannot be 0": {
ip: "10.10.10.10:0",
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("HealthzBindAddress"), "0", "must be a valid port")},
},
"port is greater than allowed range": {
ip: "10.10.10.10:65536",
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("HealthzBindAddress"), "65536", "must be a valid port")},
},
}
for _, errorCase := range errorCases {
errs := validateHostPort(errorCase.ip, newPath.Child("HealthzBindAddress"))
if len(errorCase.expectedErrs) != len(errs) {
t.Fatalf("Expected %d errors, got %d errors: %v", len(errorCase.expectedErrs), len(errs), errs)
}
for i, err := range errs {
if err.Error() != errorCase.expectedErrs[i].Error() {
t.Errorf("Expected error: %s, got %s", errorCase.expectedErrs[i], err.Error())
}
}
}
}
func TestValidateKubeProxyNodePortAddress(t *testing.T) {
newPath := field.NewPath("KubeProxyConfiguration")
successCases := map[string]struct {
addresses []string
}{
"no addresses": {
addresses: []string{},
},
"valid 1": {
addresses: []string{"127.0.0.0/8"},
},
"valid 2": {
addresses: []string{"0.0.0.0/0"},
},
"valid 3": {
addresses: []string{"::/0"},
},
"valid 4": {
addresses: []string{"127.0.0.1/32", "1.2.3.0/24"},
},
"valid 5": {
addresses: []string{"127.0.0.1/32"},
},
"valid 6": {
addresses: []string{"::1/128"},
},
"valid 7": {
addresses: []string{"1.2.3.4/32"},
},
"valid 8": {
addresses: []string{"10.20.30.0/24"},
},
"valid 9": {
addresses: []string{"10.20.0.0/16", "100.200.0.0/16"},
},
"valid 10": {
addresses: []string{"10.0.0.0/8"},
},
"valid 11": {
addresses: []string{"2001:db8::/32"},
},
"primary": {
addresses: []string{kubeproxyconfig.NodePortAddressesPrimary},
},
}
for _, successCase := range successCases {
if errs := validateKubeProxyNodePortAddress(successCase.addresses, newPath.Child("NodePortAddresses")); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
testCases := map[string]struct {
addresses []string
expectedErrs field.ErrorList
}{
"invalid foo address": {
addresses: []string{"foo"},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("NodePortAddresses[0]"), "foo", "must be a valid CIDR")},
},
"invalid octet address": {
addresses: []string{"10.0.0.0/0", "1.2.3"},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("NodePortAddresses[1]"), "1.2.3", "must be a valid CIDR")},
},
"address cannot be 0": {
addresses: []string{"127.0.0.1/32", "0", "1.2.3.0/24"},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("NodePortAddresses[1]"), "0", "must be a valid CIDR")},
},
"address missing subnet range": {
addresses: []string{"127.0.0.1/32", "10.20.30.40", "1.2.3.0/24"},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("NodePortAddresses[1]"), "10.20.30.40", "must be a valid CIDR")},
},
"missing ipv6 subnet ranges": {
addresses: []string{"::0", "::1", "2001:db8::/32"},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("NodePortAddresses[0]"), "::0", "must be a valid CIDR"),
field.Invalid(newPath.Child("NodePortAddresses[1]"), "::1", "must be a valid CIDR")},
},
"invalid ipv6 ip format": {
addresses: []string{"::1/128", "2001:db8::/32", "2001:db8:xyz/64"},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("NodePortAddresses[2]"), "2001:db8:xyz/64", "must be a valid CIDR")},
},
"invalid primary/CIDR mix 1": {
addresses: []string{"primary", "127.0.0.1/32"},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("NodePortAddresses[0]"), "primary", "can't use both 'primary' and CIDRs")},
},
"invalid primary/CIDR mix 2": {
addresses: []string{"127.0.0.1/32", "primary"},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("NodePortAddresses[1]"), "primary", "can't use both 'primary' and CIDRs")},
},
}
for _, testCase := range testCases {
errs := validateKubeProxyNodePortAddress(testCase.addresses, newPath.Child("NodePortAddresses"))
if len(testCase.expectedErrs) != len(errs) {
t.Errorf("Expected %d errors, got %d errors: %v", len(testCase.expectedErrs), len(errs), errs)
}
for i, err := range errs {
if err.Error() != testCase.expectedErrs[i].Error() {
t.Errorf("Expected error: %s, got %s", testCase.expectedErrs[i], err.Error())
}
}
}
}
func TestValidateKubeProxyExcludeCIDRs(t *testing.T) {
newPath := field.NewPath("KubeProxyConfiguration")
successCases := map[string]struct {
addresses []string
}{
"no cidrs": {
addresses: []string{},
},
"valid 1": {
addresses: []string{"127.0.0.0/8"},
},
"valid 2": {
addresses: []string{"0.0.0.0/0"},
},
"valid 3": {
addresses: []string{"::/0"},
},
"valid 4": {
addresses: []string{"127.0.0.1/32", "1.2.3.0/24"},
},
"valid 5": {
addresses: []string{"127.0.0.1/32"},
},
"valid 6": {
addresses: []string{"::1/128"},
},
"valid 7": {
addresses: []string{"1.2.3.4/32"},
},
"valid 8": {
addresses: []string{"10.20.30.0/24"},
},
"valid 9": {
addresses: []string{"10.20.0.0/16", "100.200.0.0/16"},
},
"valid 10": {
addresses: []string{"10.0.0.0/8"},
},
"valid 11": {
addresses: []string{"2001:db8::/32"},
},
}
for _, successCase := range successCases {
if errs := validateIPVSExcludeCIDRs(successCase.addresses, newPath.Child("ExcludeCIDRs")); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
testCases := map[string]struct {
addresses []string
expectedErrs field.ErrorList
}{
"invalid foo address": {
addresses: []string{"foo"},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ExcludeCIDRS[0]"), "foo", "must be a valid CIDR")},
},
"invalid octet address": {
addresses: []string{"10.0.0.0/0", "1.2.3"},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ExcludeCIDRS[1]"), "1.2.3", "must be a valid CIDR")},
},
"address cannot be 0": {
addresses: []string{"127.0.0.1/32", "0", "1.2.3.0/24"},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ExcludeCIDRS[1]"), "0", "must be a valid CIDR")},
},
"address missing subnet range": {
addresses: []string{"127.0.0.1/32", "10.20.30.40", "1.2.3.0/24"},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ExcludeCIDRS[1]"), "10.20.30.40", "must be a valid CIDR")},
},
"missing ipv6 subnet ranges": {
addresses: []string{"::0", "::1", "2001:db8::/32"},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ExcludeCIDRS[0]"), "::0", "must be a valid CIDR"),
field.Invalid(newPath.Child("ExcludeCIDRS[1]"), "::1", "must be a valid CIDR")},
},
"invalid ipv6 ip format": {
addresses: []string{"::1/128", "2001:db8::/32", "2001:db8:xyz/64"},
expectedErrs: field.ErrorList{field.Invalid(newPath.Child("ExcludeCIDRS[2]"), "2001:db8:xyz/64", "must be a valid CIDR")},
},
}
for _, testCase := range testCases {
errs := validateIPVSExcludeCIDRs(testCase.addresses, newPath.Child("ExcludeCIDRS"))
if len(testCase.expectedErrs) != len(errs) {
t.Errorf("Expected %d errors, got %d errors: %v", len(testCase.expectedErrs), len(errs), errs)
}
for i, err := range errs {
if err.Error() != testCase.expectedErrs[i].Error() {
t.Errorf("Expected error: %s, got %s", testCase.expectedErrs[i], err.Error())
}
}
}
}