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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| /* | ||
| Copyright 2023 The Katanomi Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package registry | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/regclient/regclient" | ||
| "github.com/regclient/regclient/mod" | ||
| "github.com/regclient/regclient/types/docker/schema2" | ||
| "github.com/regclient/regclient/types/manifest" | ||
| "github.com/regclient/regclient/types/ref" | ||
| ) | ||
|
|
||
| type ManifestClient struct { | ||
| *regclient.RegClient | ||
| } | ||
|
|
||
| func NewManifestClient(options ...regclient.Opt) *ManifestClient { | ||
| regClient := newRegClient(options) | ||
|
|
||
| return &ManifestClient{RegClient: regClient} | ||
| } | ||
|
|
||
| func (c *ManifestClient) Close(ctx context.Context, ref ref.Ref) error { | ||
| return c.RegClient.Close(ctx, ref) | ||
| } | ||
|
|
||
| // GetAnnotations get annotations from a reference image | ||
| func (c *ManifestClient) GetAnnotations(ctx context.Context, reference string) (map[string]string, error) { | ||
| r, err := ref.New(reference) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| m, err := c.ManifestGet(ctx, r) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("get manifest error: %s", err.Error()) | ||
| } | ||
|
|
||
| if anno, ok := m.(manifest.Annotator); ok { | ||
| return anno.GetAnnotations() | ||
| } | ||
|
|
||
| return nil, fmt.Errorf("manifest can not access annotation") | ||
| } | ||
|
|
||
| // PutEmptyIndex create an empty manifest list with annotations | ||
| func (c *ManifestClient) PutEmptyIndex(ctx context.Context, reference string, annotations map[string]string) error { | ||
| r, err := ref.New(reference) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| options := []manifest.Opts{ | ||
| manifest.WithOrig(schema2.ManifestList{ | ||
| Versioned: schema2.ManifestListSchemaVersion, | ||
| Annotations: annotations, | ||
| }), | ||
| } | ||
|
|
||
| m, err := manifest.New(options...) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return c.ManifestPut(ctx, r, m) | ||
| } | ||
|
|
||
| // SetAnnotation append annotation to a reference image | ||
| // annotation key will be deleted with empty value | ||
| func (c *ManifestClient) SetAnnotation(ctx context.Context, reference string, annotations map[string]string) error { | ||
| r, err := ref.New(reference) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if r.Tag == "" { | ||
| return fmt.Errorf("cannot replace an image digest, must include a tag") | ||
| } | ||
|
|
||
| modOptions := make([]mod.Opts, 0) | ||
| for key, value := range annotations { | ||
| modOptions = append(modOptions, mod.WithAnnotation(key, value)) | ||
| } | ||
|
|
||
| output, err := mod.Apply(ctx, c.RegClient, r, modOptions...) | ||
| if err != nil { | ||
| return fmt.Errorf("apply annotation error: %s", err.Error()) | ||
| } | ||
|
|
||
| err = c.RegClient.ImageCopy(ctx, output, r) | ||
| if err != nil { | ||
| return fmt.Errorf("failed copying image to new name: %w", err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func newRegClient(options []regclient.Opt) *regclient.RegClient { | ||
| options = append(options, regclient.WithDockerCreds()) | ||
|
|
||
| return regclient.New(options...) | ||
| } |
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