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Ensure webhook/quota/deny admission comes last

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This commit is contained in:
Jordan Liggitt 2020-02-25 17:28:59 -05:00
parent e4a5012de6
commit c80dcf56ee
3 changed files with 41 additions and 5 deletions
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1
pkg/kubeapiserver/options/BUILD
View File

@ -89,6 +89,7 @@ go_test(
"admission_test.go", "admission_test.go",
"authentication_test.go", "authentication_test.go",
"authorization_test.go", "authorization_test.go",
"plugins_test.go",
], ],
data = [ data = [
"testdata/client-expired.pem", "testdata/client-expired.pem",

6
pkg/kubeapiserver/options/plugins.go
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@ -86,9 +86,13 @@ var AllOrderedPlugins = []string{
storageobjectinuseprotection.PluginName, // StorageObjectInUseProtection storageobjectinuseprotection.PluginName, // StorageObjectInUseProtection
gc.PluginName, // OwnerReferencesPermissionEnforcement gc.PluginName, // OwnerReferencesPermissionEnforcement
resize.PluginName, // PersistentVolumeClaimResize resize.PluginName, // PersistentVolumeClaimResize
runtimeclass.PluginName, // RuntimeClass
// new admission plugins should generally be inserted above here
// webhook, resourcequota, and deny plugins must go at the end
mutatingwebhook.PluginName, // MutatingAdmissionWebhook mutatingwebhook.PluginName, // MutatingAdmissionWebhook
validatingwebhook.PluginName, // ValidatingAdmissionWebhook validatingwebhook.PluginName, // ValidatingAdmissionWebhook
runtimeclass.PluginName, //RuntimeClass
resourcequota.PluginName, // ResourceQuota resourcequota.PluginName, // ResourceQuota
deny.PluginName, // AlwaysDeny deny.PluginName, // AlwaysDeny
} }

31
pkg/kubeapiserver/options/plugins_test.go Normal file
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@ -0,0 +1,31 @@
/*
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 options
import (
"strings"
"testing"
)
func TestAdmissionPluginOrder(t *testing.T) {
// Ensure the last four admission plugins listed are webhooks, quota, and deny
allplugins := strings.Join(AllOrderedPlugins, ",")
expectSuffix := ",MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota,AlwaysDeny"
if !strings.HasSuffix(allplugins, expectSuffix) {
t.Fatalf("AllOrderedPlugins must end with ...%s", expectSuffix)
}
}