66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
package operator
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import (
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"mstore/app/descr"
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"mstore/pkg/auxtool"
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"mstore/pkg/auxuuid"
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ocidigest "github.com/opencontainers/go-digest"
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ocispec "github.com/opencontainers/image-spec/specs-go/v1"
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)
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func descrsFromManifest(name, reference string, manifest *ocispec.Manifest, rawManifest []byte) (descr.Manifest, []descr.Blob, error) {
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var err error
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manifestDescr := descr.Manifest{}
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//configDescr := descr.Blob{}
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blobDescrs := make([]descr.Blob, 0)
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timestamp := auxtool.TimeNow()
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// Make manifest descriptor
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manifestDigest := ocidigest.SHA256.FromBytes(rawManifest).String()
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manifestDescr = descr.Manifest{
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ID: auxuuid.NewUUID(),
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Name: name,
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Reference: reference,
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Digest: manifestDigest,
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ContentType: manifest.MediaType,
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Payload: string(rawManifest),
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CreatedAt: timestamp,
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UpdatedAt: timestamp,
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}
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// Make config descriptor
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ociConfig := manifest.Config
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configDescr := descr.Blob{
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ID: auxuuid.NewUUID(),
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Name: name,
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Reference: reference,
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MediaType: ociConfig.MediaType,
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Digest: string(ociConfig.Digest),
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Size: ociConfig.Size,
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CreatedAt: timestamp,
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UpdatedAt: timestamp,
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}
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blobDescrs = append(blobDescrs, configDescr)
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// Make blob descriptions
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layerMap := make(map[string]bool)
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for _, layer := range manifest.Layers {
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blobDescr := descr.Blob{
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ID: auxuuid.NewUUID(),
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Name: name,
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Reference: reference,
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MediaType: layer.MediaType,
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Digest: string(layer.Digest),
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Size: layer.Size,
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CreatedAt: timestamp,
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UpdatedAt: timestamp,
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}
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_, alreadyAdded := layerMap[string(layer.Digest)]
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if !alreadyAdded {
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blobDescrs = append(blobDescrs, blobDescr)
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layerMap[string(layer.Digest)] = true
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}
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}
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return manifestDescr, blobDescrs, err
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}
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