80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
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package main
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import "time"
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// This type represents the rootfs-key of the Docker image config.
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// It specifies the digest (i.e. usually SHA256 hash) of the tar'ed, but NOT
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// compressed image layers.
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type RootFs struct {
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// The digests of the non-compressed FS layers.
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DiffIds []string `json:"diff_ids"`
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// Type should always be set to "layers"
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Type string `json:"type"`
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}
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// This type represents an entry in the Docker image config's history key.
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// Every history element "belongs" to a filesystem layer.
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type History struct {
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Created time.Time `json:"created"`
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CreatedBy string `json:"created_by"`
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}
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// This type represents runtime-configuration for the Docker image.
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// A lot of possible keys are omitted here, see:
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// https://github.com/docker/docker/blob/master/image/spec/v1.2.md#image-json-description
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type ImageConfig struct {
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Cmd []string
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Env []string
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}
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// This type represents the Docker image configuration
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type Config struct {
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Created time.Time `json:"created"`
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Author string `json:"author"`
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// Architecture should be "amd64"
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Architecture string `json:"architecture"`
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// OS should be "linux"
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Os string `json:"os"`
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// Configuration can be set to 'nil', in which case all options have to be
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// supplied at container launch time.
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Config *ImageConfig `json:"config"`
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// Filesystem layers and history elements have to be in the same order.
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RootFs RootFs `json:"rootfs"`
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History []History `json:"history"`
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}
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// This type represents any manifest
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type Element struct {
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MediaType string `json:"mediaType"`
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Size int `json:"size"`
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Digest string `json:"digest"`
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}
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// This type represents a Docker image manifest as used by the registry
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// protocol V2.
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type Manifest struct {
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SchemaVersion int `json:"schemaVersion"` // Must be 2
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MediaType string `json:"mediaType"` // Use ManifestMediaType const
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Config Element `json:"config"`
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Layers []Element `json:"layers"`
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}
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// A really "dumb" representation of an image, with its data blob and related
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// metadata.
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// Note: This is not a registry API type.
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type Image struct {
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Layer []byte
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LayerDigest string
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Manifest []byte
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ManifestDigest string
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Config []byte
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ConfigDigest string
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}
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