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63 lines
2.3 KiB
Go
63 lines
2.3 KiB
Go
package source
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import "github.com/anchore/stereoscope/pkg/image"
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// ImageMetadata represents all static metadata that defines what a container image is. This is useful to later describe
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// "what" was cataloged without needing the more complicated stereoscope Image objects or FileResolver objects.
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type ImageMetadata struct {
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UserInput string `json:"userInput"`
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ID string `json:"imageID"`
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ManifestDigest string `json:"manifestDigest"`
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MediaType string `json:"mediaType"`
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Tags []string `json:"tags"`
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Size int64 `json:"imageSize"`
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Layers []LayerMetadata `json:"layers"`
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RawManifest []byte `json:"manifest"`
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RawConfig []byte `json:"config"`
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RepoDigests []string `json:"repoDigests"`
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Architecture string `json:"architecture"`
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Variant string `json:"architectureVariant,omitempty"`
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OS string `json:"os"`
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}
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// LayerMetadata represents all static metadata that defines what a container image layer is.
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type LayerMetadata struct {
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MediaType string `json:"mediaType"`
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Digest string `json:"digest"`
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Size int64 `json:"size"`
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}
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// NewImageMetadata creates a new ImageMetadata object populated from the given stereoscope Image object and user configuration.
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func NewImageMetadata(img *image.Image, userInput string) ImageMetadata {
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// populate artifacts...
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tags := make([]string, len(img.Metadata.Tags))
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for idx, tag := range img.Metadata.Tags {
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tags[idx] = tag.String()
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}
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theImg := ImageMetadata{
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ID: img.Metadata.ID,
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UserInput: userInput,
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ManifestDigest: img.Metadata.ManifestDigest,
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Size: img.Metadata.Size,
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MediaType: string(img.Metadata.MediaType),
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Tags: tags,
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Layers: make([]LayerMetadata, len(img.Layers)),
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RawConfig: img.Metadata.RawConfig,
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RawManifest: img.Metadata.RawManifest,
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RepoDigests: img.Metadata.RepoDigests,
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Architecture: img.Metadata.Architecture,
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Variant: img.Metadata.Variant,
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OS: img.Metadata.OS,
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}
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// populate image metadata
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for idx, l := range img.Layers {
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theImg.Layers[idx] = LayerMetadata{
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MediaType: string(l.Metadata.MediaType),
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Digest: l.Metadata.Digest,
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Size: l.Metadata.Size,
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}
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}
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return theImg
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}
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