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Merge pull request #95254 from cmluciano/cml/proxyconfigdefaults

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proxy: Add tests for kube-proxy config defaulting
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Kubernetes Prow Robot 2020-10-05 07:31:06 -07:00 committed by GitHub
commit 9f0a783fb8
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13
pkg/proxy/apis/config/v1alpha1/BUILD
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@ -3,6 +3,7 @@ package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_library(
@ -43,3 +44,15 @@ filegroup(
srcs = [":package-srcs"],
tags = ["automanaged"],
)
go_test(
name = "go_default_test",
srcs = ["defaults_test.go"],
embed = [":go_default_library"],
deps = [
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/component-base/config/v1alpha1:go_default_library",
"//staging/src/k8s.io/kube-proxy/config/v1alpha1:go_default_library",
"//vendor/github.com/google/go-cmp/cmp:go_default_library",
],
)

117
pkg/proxy/apis/config/v1alpha1/defaults_test.go Normal file
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@ -0,0 +1,117 @@
/*
Copyright 2020 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 v1alpha1
import (
"testing"
"time"
"github.com/google/go-cmp/cmp"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
componentbaseconfig "k8s.io/component-base/config/v1alpha1"
kubeproxyconfigv1alpha1 "k8s.io/kube-proxy/config/v1alpha1"
)
func TestDefaultsKubeProxyConfiguration(t *testing.T) {
masqBit := int32(14)
oomScore := int32(-999)
ctMaxPerCore := int32(32768)
ctMin := int32(131072)
testCases := []struct {
name string
original *kubeproxyconfigv1alpha1.KubeProxyConfiguration
expected *kubeproxyconfigv1alpha1.KubeProxyConfiguration
}{
{
name: "empty-config",
original: &kubeproxyconfigv1alpha1.KubeProxyConfiguration{},
expected: &kubeproxyconfigv1alpha1.KubeProxyConfiguration{
FeatureGates: map[string]bool{},
BindAddress: "0.0.0.0",
HealthzBindAddress: "0.0.0.0:10256",
MetricsBindAddress: "127.0.0.1:10249",
ClientConnection: componentbaseconfig.ClientConnectionConfiguration{
ContentType: "application/vnd.kubernetes.protobuf",
QPS: 5,
Burst: 10,
},
IPTables: kubeproxyconfigv1alpha1.KubeProxyIPTablesConfiguration{
MasqueradeBit: &masqBit,
MasqueradeAll: false,
SyncPeriod: metav1.Duration{Duration: 30 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
},
IPVS: kubeproxyconfigv1alpha1.KubeProxyIPVSConfiguration{
SyncPeriod: metav1.Duration{Duration: 30 * time.Second},
},
OOMScoreAdj: &oomScore,
UDPIdleTimeout: metav1.Duration{Duration: 250 * time.Millisecond},
Conntrack: kubeproxyconfigv1alpha1.KubeProxyConntrackConfiguration{
MaxPerCore: &ctMaxPerCore,
Min: &ctMin,
TCPEstablishedTimeout: &metav1.Duration{Duration: 24 * time.Hour},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 1 * time.Hour},
},
ConfigSyncPeriod: metav1.Duration{Duration: 15 * time.Minute},
},
},
{
name: "metrics and healthz address with no port",
original: &kubeproxyconfigv1alpha1.KubeProxyConfiguration{
MetricsBindAddress: "127.0.0.1",
HealthzBindAddress: "127.0.0.1",
},
expected: &kubeproxyconfigv1alpha1.KubeProxyConfiguration{
FeatureGates: map[string]bool{},
BindAddress: "0.0.0.0",
HealthzBindAddress: "127.0.0.1:10256",
MetricsBindAddress: "127.0.0.1:10249",
ClientConnection: componentbaseconfig.ClientConnectionConfiguration{
ContentType: "application/vnd.kubernetes.protobuf",
QPS: 5,
Burst: 10,
},
IPTables: kubeproxyconfigv1alpha1.KubeProxyIPTablesConfiguration{
MasqueradeBit: &masqBit,
MasqueradeAll: false,
SyncPeriod: metav1.Duration{Duration: 30 * time.Second},
MinSyncPeriod: metav1.Duration{Duration: 1 * time.Second},
},
IPVS: kubeproxyconfigv1alpha1.KubeProxyIPVSConfiguration{
SyncPeriod: metav1.Duration{Duration: 30 * time.Second},
},
OOMScoreAdj: &oomScore,
UDPIdleTimeout: metav1.Duration{Duration: 250 * time.Millisecond},
Conntrack: kubeproxyconfigv1alpha1.KubeProxyConntrackConfiguration{
MaxPerCore: &ctMaxPerCore,
Min: &ctMin,
TCPEstablishedTimeout: &metav1.Duration{Duration: 24 * time.Hour},
TCPCloseWaitTimeout: &metav1.Duration{Duration: 1 * time.Hour},
},
ConfigSyncPeriod: metav1.Duration{Duration: 15 * time.Minute},
},
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
SetDefaults_KubeProxyConfiguration(tc.original)
if diff := cmp.Diff(tc.expected, tc.original); diff != "" {
t.Errorf("Got unexpected defaults (-want, +got):\n%s", diff)
}
})
}
}