69 lines
2.4 KiB
Go
69 lines
2.4 KiB
Go
/*
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Copyright 2026.
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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 kubernetes 提供 Database 所需的 Kubernetes API 薄适配。
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package kubernetes
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import (
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"context"
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"errors"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/validation"
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typedcore "k8s.io/client-go/kubernetes/typed/core/v1"
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"k8s.io/client-go/rest"
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"git.ddupan.top/panxiao81/ayatori/internal/database/application"
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"git.ddupan.top/panxiao81/ayatori/internal/database/domain/instance"
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)
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// SecretCredentials 直接读取 API server，不将 Secret 数据纳入共享 informer cache。
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// namespace 在装配时固定，Instance 不能选择跨 namespace 读取。
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type SecretCredentials struct {
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secrets typedcore.SecretInterface
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}
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func NewSecretCredentials(config *rest.Config, namespace string) (*SecretCredentials, error) {
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if config == nil || len(validation.IsDNS1123Label(namespace)) != 0 {
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return nil, errors.New("valid controller namespace and API configuration required")
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}
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client, err := typedcore.NewForConfig(config)
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if err != nil {
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return nil, application.ErrCredentialsUnavailable
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}
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return &SecretCredentials{secrets: client.Secrets(namespace)}, nil
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}
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func (r *SecretCredentials) Read(ctx context.Context, ref instance.CredentialReference) (application.Credentials, error) {
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if err := ref.Validate(); err != nil {
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return application.Credentials{}, application.ErrCredentialsInvalid
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}
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keys := ref.Values()
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secret, err := r.secrets.Get(ctx, keys.Name, metav1.GetOptions{})
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if err != nil {
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return application.Credentials{}, application.ErrCredentialsUnavailable
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}
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return decode(secret, keys)
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}
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func decode(secret *corev1.Secret, keys instance.CredentialReferenceValues) (application.Credentials, error) {
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if secret.DeletionTimestamp != nil {
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return application.Credentials{}, application.ErrCredentialsUnavailable
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}
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return application.NewCredentials(string(secret.Data[keys.UsernameKey]), string(secret.Data[keys.PasswordKey]))
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}
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