96 lines
3.7 KiB
Go
96 lines
3.7 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 webhook
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import (
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"fmt"
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appsv1 "k8s.io/api/apps/v1"
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corev1 "k8s.io/api/core/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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operatorv1alpha1 "github.com/karmada-io/karmada/operator/pkg/apis/operator/v1alpha1"
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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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"github.com/karmada-io/karmada/operator/pkg/util/patcher"
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)
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// EnsureKarmadaWebhook creates karmada webhook deployment and service resource.
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func EnsureKarmadaWebhook(client clientset.Interface, cfg *operatorv1alpha1.KarmadaWebhook, name, namespace string, featureGates map[string]bool) error {
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if err := installKarmadaWebhook(client, cfg, name, namespace, featureGates); err != nil {
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return err
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}
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return createKarmadaWebhookService(client, name, namespace)
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}
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func installKarmadaWebhook(client clientset.Interface, cfg *operatorv1alpha1.KarmadaWebhook, name, namespace string, _ map[string]bool) error {
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webhookDeploymentSetBytes, err := util.ParseTemplate(KarmadaWebhookDeployment, struct {
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DeploymentName, Namespace, Image, ImagePullPolicy string
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KubeconfigSecret, WebhookCertsSecret string
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Replicas *int32
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}{
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DeploymentName: util.KarmadaWebhookName(name),
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Namespace: namespace,
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Image: cfg.Image.Name(),
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ImagePullPolicy: string(cfg.ImagePullPolicy),
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Replicas: cfg.Replicas,
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KubeconfigSecret: util.AdminKubeconfigSecretName(name),
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WebhookCertsSecret: util.WebhookCertSecretName(name),
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})
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if err != nil {
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return fmt.Errorf("error when parsing KarmadaWebhook Deployment template: %w", err)
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}
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webhookDeployment := &appsv1.Deployment{}
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if err := kuberuntime.DecodeInto(clientsetscheme.Codecs.UniversalDecoder(), webhookDeploymentSetBytes, webhookDeployment); err != nil {
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return fmt.Errorf("err when decoding KarmadaWebhook Deployment: %w", err)
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}
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patcher.NewPatcher().WithAnnotations(cfg.Annotations).WithLabels(cfg.Labels).
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WithExtraArgs(cfg.ExtraArgs).WithResources(cfg.Resources).ForDeployment(webhookDeployment)
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if err := apiclient.CreateOrUpdateDeployment(client, webhookDeployment); err != nil {
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return fmt.Errorf("error when creating deployment for %s, err: %w", webhookDeployment.Name, err)
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}
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return nil
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}
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func createKarmadaWebhookService(client clientset.Interface, name, namespace string) error {
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webhookServiceSetBytes, err := util.ParseTemplate(KarmadaWebhookService, struct {
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ServiceName, Namespace string
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}{
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ServiceName: util.KarmadaWebhookName(name),
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Namespace: namespace,
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})
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if err != nil {
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return fmt.Errorf("error when parsing KarmadaWebhook Service template: %w", err)
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}
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webhookService := &corev1.Service{}
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if err := kuberuntime.DecodeInto(clientsetscheme.Codecs.UniversalDecoder(), webhookServiceSetBytes, webhookService); err != nil {
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return fmt.Errorf("err when decoding KarmadaWebhook Service: %w", err)
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}
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if err := apiclient.CreateOrUpdateService(client, webhookService); err != nil {
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return fmt.Errorf("err when creating service for %s, err: %w", webhookService.Name, err)
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}
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return nil
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}
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