mirror of
https://github.com/alibaba/higress.git
synced 2026-02-25 13:10:50 +08:00
109 lines
3.5 KiB
Go
109 lines
3.5 KiB
Go
// Copyright (c) 2022 Alibaba Group Holding Ltd.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package cert
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import (
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"context"
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"fmt"
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"strconv"
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"strings"
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"time"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/kubernetes"
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)
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const (
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SecretNamePrefix = "higress-secret-"
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)
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type SecretMgr struct {
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client kubernetes.Interface
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namespace string
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}
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func NewSecretMgr(namespace string, client kubernetes.Interface) (*SecretMgr, error) {
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secretMgr := &SecretMgr{
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namespace: namespace,
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client: client,
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}
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return secretMgr, nil
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}
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func (s *SecretMgr) Update(domain string, secretName string, privateKey []byte, certificate []byte, notBefore time.Time, notAfter time.Time, isRenew bool) error {
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//secretName := s.getSecretName(domain)
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secret := s.constructSecret(domain, privateKey, certificate, notBefore, notAfter, isRenew)
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_, err := s.client.CoreV1().Secrets(s.namespace).Get(context.Background(), secretName, metav1.GetOptions{})
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if err != nil {
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if errors.IsNotFound(err) {
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// create secret
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_, err2 := s.client.CoreV1().Secrets(s.namespace).Create(context.Background(), secret, metav1.CreateOptions{})
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return err2
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}
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return err
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}
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// check secret annotations
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if _, ok := secret.Annotations["higress.io/cert-domain"]; !ok {
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return fmt.Errorf("the secret name %s is not automatic https secret name for the domain:%s, please rename it in config", secretName, domain)
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}
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_, err1 := s.client.CoreV1().Secrets(s.namespace).Update(context.Background(), secret, metav1.UpdateOptions{})
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if err1 != nil {
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return err1
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}
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return nil
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}
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func (s *SecretMgr) Delete(domain string) error {
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secretName := s.getSecretName(domain)
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err := s.client.CoreV1().Secrets(s.namespace).Delete(context.Background(), secretName, metav1.DeleteOptions{})
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return err
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}
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func (s *SecretMgr) getSecretName(domain string) string {
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return SecretNamePrefix + strings.ReplaceAll(strings.TrimSpace(domain), ".", "-")
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}
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func (s *SecretMgr) constructSecret(domain string, privateKey []byte, certificate []byte, notBefore time.Time, notAfter time.Time, isRenew bool) *v1.Secret {
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secretName := s.getSecretName(domain)
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annotationMap := make(map[string]string, 0)
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annotationMap["higress.io/cert-domain"] = domain
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annotationMap["higress.io/cert-notAfter"] = notAfter.Format("2006-01-02 15:04:05")
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annotationMap["higress.io/cert-notBefore"] = notBefore.Format("2006-01-02 15:04:05")
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annotationMap["higress.io/cert-renew"] = strconv.FormatBool(isRenew)
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if isRenew {
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annotationMap["higress.io/cert-renew-time"] = time.Now().Format("2006-01-02 15:04:05")
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}
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// Required fields:
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// - Secret.Data["tls.key"] - TLS private key.
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// Secret.Data["tls.crt"] - TLS certificate.
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dataMap := make(map[string][]byte, 0)
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dataMap["tls.key"] = privateKey
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dataMap["tls.crt"] = certificate
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secret := &v1.Secret{
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ObjectMeta: metav1.ObjectMeta{
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Name: secretName,
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Namespace: s.namespace,
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Annotations: annotationMap,
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},
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Type: v1.SecretTypeTLS,
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Data: dataMap,
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}
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return secret
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}
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