mirror of https://github.com/goharbor/harbor.git
80 lines
2.3 KiB
Go
80 lines
2.3 KiB
Go
// Copyright Project Harbor Authors
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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 cnab
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import (
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"context"
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ps "github.com/goharbor/harbor/src/controller/artifact/processor"
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"github.com/goharbor/harbor/src/controller/artifact/processor/base"
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"github.com/goharbor/harbor/src/controller/icon"
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"github.com/goharbor/harbor/src/lib/log"
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"github.com/goharbor/harbor/src/pkg/artifact"
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)
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// const definitions
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const (
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ArtifactTypeCNAB = "CNAB"
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mediaType = "application/vnd.cnab.manifest.v1"
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)
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func init() {
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pc := &processor{
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manifestProcessor: base.NewManifestProcessor(),
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}
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pc.IndexProcessor = base.NewIndexProcessor()
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if err := ps.Register(pc, mediaType); err != nil {
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log.Errorf("failed to register processor for media type %s: %v", mediaType, err)
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return
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}
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}
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type processor struct {
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*base.IndexProcessor
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manifestProcessor *base.ManifestProcessor
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}
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func (p *processor) AbstractMetadata(ctx context.Context, art *artifact.Artifact, manifest []byte) error {
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art.Icon = icon.DigestOfIconCNAB
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cfgManiDgt := ""
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// try to get the digest of the manifest that the config layer is referenced by
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for _, reference := range art.References {
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if reference.Annotations != nil &&
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reference.Annotations["io.cnab.manifest.type"] == "config" {
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cfgManiDgt = reference.ChildDigest
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}
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}
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if len(cfgManiDgt) == 0 {
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return nil
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}
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// get the manifest that the config layer is referenced by
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mani, _, err := p.RegCli.PullManifest(art.RepositoryName, cfgManiDgt)
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if err != nil {
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return err
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}
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_, payload, err := mani.Payload()
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if err != nil {
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return err
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}
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// abstract the metadata from config layer
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return p.manifestProcessor.AbstractMetadata(ctx, art, payload)
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}
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func (p *processor) GetArtifactType(ctx context.Context, artifact *artifact.Artifact) string {
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return ArtifactTypeCNAB
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}
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