141 lines
3.9 KiB
Go
141 lines
3.9 KiB
Go
/*
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Copyright 2021 The Dapr 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 kubernetes
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import (
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"context"
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"errors"
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"fmt"
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"os"
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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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kubeclient "github.com/dapr/components-contrib/common/authentication/kubernetes"
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"github.com/dapr/components-contrib/metadata"
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"github.com/dapr/components-contrib/secretstores"
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"github.com/dapr/kit/logger"
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)
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var _ secretstores.SecretStore = (*kubernetesSecretStore)(nil)
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type kubernetesSecretStore struct {
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kubeClient kubernetes.Interface
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md kubernetesMetadata
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logger logger.Logger
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}
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// NewKubernetesSecretStore returns a new Kubernetes secret store.
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func NewKubernetesSecretStore(logger logger.Logger) secretstores.SecretStore {
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return &kubernetesSecretStore{logger: logger}
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}
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// Init creates a Kubernetes client.
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func (k *kubernetesSecretStore) Init(_ context.Context, metadata secretstores.Metadata) error {
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// Init metadata
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err := k.md.InitWithMetadata(metadata)
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if err != nil {
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return fmt.Errorf("failed to load metadata: %w", err)
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}
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// Init Kubernetes client
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kubeconfigPath := k.md.KubeconfigPath
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if kubeconfigPath == "" {
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kubeconfigPath = kubeclient.GetKubeconfigPath(k.logger, os.Args)
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}
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k.kubeClient, err = kubeclient.GetKubeClient(kubeconfigPath)
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if err != nil {
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return err
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}
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return nil
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}
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// GetSecret retrieves a secret using a key and returns a map of decrypted string/string values.
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func (k *kubernetesSecretStore) GetSecret(ctx context.Context, req secretstores.GetSecretRequest) (secretstores.GetSecretResponse, error) {
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resp := secretstores.GetSecretResponse{
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Data: map[string]string{},
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}
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namespace, err := k.getNamespaceFromMetadata(req.Metadata)
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if err != nil {
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return resp, err
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}
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secret, err := k.kubeClient.CoreV1().Secrets(namespace).Get(ctx, req.Name, metav1.GetOptions{})
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if err != nil {
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return resp, err
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}
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for k, v := range secret.Data {
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resp.Data[k] = string(v)
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}
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return resp, nil
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}
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// BulkGetSecret retrieves all secrets in the store and returns a map of decrypted string/string values.
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func (k *kubernetesSecretStore) BulkGetSecret(ctx context.Context, req secretstores.BulkGetSecretRequest) (secretstores.BulkGetSecretResponse, error) {
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resp := secretstores.BulkGetSecretResponse{
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Data: map[string]map[string]string{},
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}
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namespace, err := k.getNamespaceFromMetadata(req.Metadata)
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if err != nil {
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return resp, err
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}
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secrets, err := k.kubeClient.CoreV1().Secrets(namespace).List(ctx, metav1.ListOptions{})
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if err != nil {
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return resp, err
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}
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for _, s := range secrets.Items {
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resp.Data[s.Name] = map[string]string{}
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for k, v := range s.Data {
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resp.Data[s.Name][k] = string(v)
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}
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}
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return resp, nil
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}
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func (k *kubernetesSecretStore) getNamespaceFromMetadata(metadata map[string]string) (string, error) {
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if val, ok := metadata["namespace"]; ok && val != "" {
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return val, nil
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}
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if val := os.Getenv("NAMESPACE"); val != "" {
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return val, nil
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}
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if k.md.DefaultNamespace != "" {
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return k.md.DefaultNamespace, nil
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}
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return "", errors.New("namespace is missing on metadata and NAMESPACE env variable, and no default namespace is set")
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}
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// Features returns the features available in this secret store.
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func (k *kubernetesSecretStore) Features() []secretstores.Feature {
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return []secretstores.Feature{}
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}
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func (k *kubernetesSecretStore) GetComponentMetadata() (metadataInfo metadata.MetadataMap) {
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// No component metadata
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return
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}
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func (k *kubernetesSecretStore) Close() error {
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return nil
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}
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