82 lines
2.9 KiB
Go
82 lines
2.9 KiB
Go
/*
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Copyright 2023 The Karmada Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package webhookconfiguration
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import (
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"fmt"
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admissionregistrationv1 "k8s.io/api/admissionregistration/v1"
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kuberuntime "k8s.io/apimachinery/pkg/runtime"
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clientset "k8s.io/client-go/kubernetes"
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clientsetscheme "k8s.io/client-go/kubernetes/scheme"
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"github.com/karmada-io/karmada/operator/pkg/util"
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"github.com/karmada-io/karmada/operator/pkg/util/apiclient"
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)
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// EnsureWebhookConfiguration creates karmada webhook mutatingWebhookConfiguration and validatingWebhookConfiguration
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func EnsureWebhookConfiguration(client clientset.Interface, namespace, name, caBundle string) error {
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if err := mutatingWebhookConfiguration(client, namespace, name, caBundle); err != nil {
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return err
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}
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return validatingWebhookConfiguration(client, namespace, name, caBundle)
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}
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func mutatingWebhookConfiguration(client clientset.Interface, namespace, name, caBundle string) error {
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configurationBytes, err := util.ParseTemplate(KarmadaWebhookMutatingWebhookConfiguration, struct {
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Service string
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Namespace string
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CaBundle string
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}{
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Service: util.KarmadaWebhookName(name),
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Namespace: namespace,
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CaBundle: caBundle,
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})
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if err != nil {
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return fmt.Errorf("error when parsing Webhook MutatingWebhookConfiguration template: %w", err)
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}
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mwc := &admissionregistrationv1.MutatingWebhookConfiguration{}
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if err := kuberuntime.DecodeInto(clientsetscheme.Codecs.UniversalDecoder(), configurationBytes, mwc); err != nil {
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return fmt.Errorf("err when decoding Webhook MutatingWebhookConfiguration: %w", err)
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}
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return apiclient.CreateOrUpdateMutatingWebhookConfiguration(client, mwc)
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}
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func validatingWebhookConfiguration(client clientset.Interface, namespace, name, caBundle string) error {
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configurationBytes, err := util.ParseTemplate(KarmadaWebhookValidatingWebhookConfiguration, struct {
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Service string
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Namespace string
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CaBundle string
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}{
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Service: util.KarmadaWebhookName(name),
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Namespace: namespace,
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CaBundle: caBundle,
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})
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if err != nil {
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return fmt.Errorf("error when parsing Webhook ValidatingWebhookConfiguration template: %w", err)
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}
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vwc := &admissionregistrationv1.ValidatingWebhookConfiguration{}
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if err := kuberuntime.DecodeInto(clientsetscheme.Codecs.UniversalDecoder(), configurationBytes, vwc); err != nil {
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return fmt.Errorf("err when decoding Webhook ValidatingWebhookConfiguration: %w", err)
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}
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return apiclient.CreateOrUpdateValidatingWebhookConfiguration(client, vwc)
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}
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