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helm: use chunking release driver in systemNamespace
Signed-off-by: Joe Lanford <joe.lanford@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| package action | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "helm.sh/helm/v3/pkg/storage/driver" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/fields" | ||
| k8slabels "k8s.io/apimachinery/pkg/labels" | ||
| "k8s.io/apimachinery/pkg/watch" | ||
| clientcorev1 "k8s.io/client-go/kubernetes/typed/core/v1" | ||
| "k8s.io/client-go/rest" | ||
| crcache "sigs.k8s.io/controller-runtime/pkg/cache" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| logf "sigs.k8s.io/controller-runtime/pkg/log" | ||
| "sigs.k8s.io/controller-runtime/pkg/manager" | ||
|
|
||
| helmclient "github.com/operator-framework/helm-operator-plugins/pkg/client" | ||
| "github.com/operator-framework/helm-operator-plugins/pkg/storage" | ||
| ) | ||
|
|
||
| func ChunkedStorageDriverMapper(mgr manager.Manager, releaseStorageNamespace string) (helmclient.ObjectToStorageDriverMapper, error) { | ||
| corev1Client, err := clientcorev1.NewForConfig(mgr.GetConfig()) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("unable to create corev1 client: %w", err) | ||
| } | ||
| secretsClient := newSecretsDelegatingClient(corev1Client.Secrets(releaseStorageNamespace), releaseStorageNamespace, mgr.GetCache()) | ||
|
|
||
| return func(ctx context.Context, object client.Object, config *rest.Config) (driver.Driver, error) { | ||
| log := logf.FromContext(ctx).V(2) | ||
| return storage.NewChunkedSecrets(secretsClient, "operator-controller", storage.ChunkedSecretsConfig{ | ||
| ChunkSize: 1024 * 1024, | ||
| MaxReadChunks: 10, | ||
| MaxWriteChunks: 10, | ||
| Log: func(format string, args ...interface{}) { log.Info(fmt.Sprintf(format, args...)) }, | ||
| }), nil | ||
| }, nil | ||
| } | ||
|
|
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| var _ clientcorev1.SecretInterface = &secretsDelegatingClient{} | ||
|
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| type secretsDelegatingClient struct { | ||
| clientcorev1.SecretInterface | ||
| namespace string | ||
| cache crcache.Cache | ||
| } | ||
|
|
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| func newSecretsDelegatingClient(client clientcorev1.SecretInterface, namespace string, cache crcache.Cache) clientcorev1.SecretInterface { | ||
| return &secretsDelegatingClient{ | ||
| SecretInterface: client, | ||
| namespace: namespace, | ||
| cache: cache, | ||
| } | ||
| } | ||
|
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| func (s secretsDelegatingClient) Get(ctx context.Context, name string, opts metav1.GetOptions) (*corev1.Secret, error) { | ||
| var secret corev1.Secret | ||
| if err := s.cache.Get(ctx, client.ObjectKey{Namespace: s.namespace, Name: name}, &secret, &client.GetOptions{Raw: &opts}); err != nil { | ||
| return nil, err | ||
| } | ||
| return &secret, nil | ||
| } | ||
|
|
||
| func (s secretsDelegatingClient) List(ctx context.Context, opts metav1.ListOptions) (*corev1.SecretList, error) { | ||
| listOpts, err := metaOptionsToClientOptions(s.namespace, opts) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| var secrets corev1.SecretList | ||
| if err := s.cache.List(ctx, &secrets, listOpts); err != nil { | ||
| return nil, fmt.Errorf("error listing from cache: %w", err) | ||
| } | ||
| return &secrets, nil | ||
| } | ||
|
|
||
| func (s secretsDelegatingClient) Watch(ctx context.Context, opts metav1.ListOptions) (watch.Interface, error) { | ||
| panic("intentionally not implemented: watch is not intended to be called") | ||
| } | ||
|
|
||
| func metaOptionsToClientOptions(namespace string, opts metav1.ListOptions) (*client.ListOptions, error) { | ||
| clientListOptions := &client.ListOptions{ | ||
| Namespace: namespace, | ||
| Limit: opts.Limit, | ||
| Continue: opts.Continue, | ||
| } | ||
|
|
||
| if opts.LabelSelector != "" { | ||
| labelSelector, err := k8slabels.Parse(opts.LabelSelector) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| clientListOptions.LabelSelector = labelSelector | ||
| } | ||
|
|
||
| if opts.FieldSelector != "" { | ||
| fieldSelector, err := fields.ParseSelector(opts.FieldSelector) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| clientListOptions.FieldSelector = fieldSelector | ||
| } | ||
|
|
||
| opts.LabelSelector = "" | ||
| opts.FieldSelector = "" | ||
| opts.Limit = 0 | ||
| opts.Continue = "" | ||
| clientListOptions.Raw = &opts | ||
|
|
||
| return clientListOptions, nil | ||
| } |