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package image
import (
"context"
"github.com/containers/buildah/manifests"
"github.com/containers/image/v5/manifest"
"github.com/containers/image/v5/transports/alltransports"
"github.com/containers/image/v5/types"
"github.com/opencontainers/go-digest"
"github.com/pkg/errors"
)
// Options for adding a manifest
// swagger:model ManifestAddOpts
type ManifestAddOpts struct {
All bool `json:"all"`
Annotation map[string]string `json:"annotation"`
Arch string `json:"arch"`
Features []string `json:"features"`
Images []string `json:"images"`
OS string `json:"os"`
OSVersion string `json:"os_version"`
Variant string `json:"variant"`
}
// InspectManifest returns a dockerized version of the manifest list
func (i *Image) InspectManifest() (*manifest.Schema2List, error) {
list, err := i.getManifestList()
if err != nil {
return nil, err
}
return list.Docker(), nil
}
// RemoveManifest removes the given digest from the manifest list.
func (i *Image) RemoveManifest(d digest.Digest) (string, error) {
list, err := i.getManifestList()
if err != nil {
return "", err
}
if err := list.Remove(d); err != nil {
return "", err
}
return list.SaveToImage(i.imageruntime.store, i.ID(), nil, "")
}
// getManifestList is a helper to obtain a manifest list
func (i *Image) getManifestList() (manifests.List, error) {
_, list, err := manifests.LoadFromImage(i.imageruntime.store, i.ID())
return list, err
}
// CreateManifestList creates a new manifest list and can optionally add given images
// to the list
func CreateManifestList(rt *Runtime, systemContext types.SystemContext, names []string, imgs []string, all bool) (string, error) {
list := manifests.Create()
opts := ManifestAddOpts{Images: names, All: all}
for _, img := range imgs {
var ref types.ImageReference
newImage, err := rt.NewFromLocal(img)
if err == nil {
ir, err := newImage.toImageRef(context.Background())
if err != nil {
return "", err
}
if ir == nil {
return "", errors.New("unable to convert image to ImageReference")
}
ref = ir.Reference()
} else {
ref, err = alltransports.ParseImageName(img)
if err != nil {
return "", err
}
}
list, err = addManifestToList(ref, list, systemContext, opts)
if err != nil {
return "", err
}
}
return list.SaveToImage(rt.store, "", names, manifest.DockerV2ListMediaType)
}
func addManifestToList(ref types.ImageReference, list manifests.List, systemContext types.SystemContext, opts ManifestAddOpts) (manifests.List, error) {
d, err := list.Add(context.Background(), &systemContext, ref, opts.All)
if err != nil {
return nil, err
}
if opts.OS != "" {
if err := list.SetOS(d, opts.OS); err != nil {
return nil, err
}
}
if len(opts.OSVersion) > 0 {
if err := list.SetOSVersion(d, opts.OSVersion); err != nil {
return nil, err
}
}
if len(opts.Features) > 0 {
if err := list.SetFeatures(d, opts.Features); err != nil {
return nil, err
}
}
if len(opts.Arch) > 0 {
if err := list.SetArchitecture(d, opts.Arch); err != nil {
return nil, err
}
}
if len(opts.Variant) > 0 {
if err := list.SetVariant(d, opts.Variant); err != nil {
return nil, err
}
}
if len(opts.Annotation) > 0 {
if err := list.SetAnnotations(&d, opts.Annotation); err != nil {
return nil, err
}
}
return list, err
}
// AddManifest adds a manifest to a given manifest list.
func (i *Image) AddManifest(systemContext types.SystemContext, opts ManifestAddOpts) (string, error) {
var (
ref types.ImageReference
)
newImage, err := i.imageruntime.NewFromLocal(opts.Images[0])
if err == nil {
ir, err := newImage.toImageRef(context.Background())
if err != nil {
return "", err
}
ref = ir.Reference()
} else {
ref, err = alltransports.ParseImageName(opts.Images[0])
if err != nil {
return "", err
}
}
list, err := i.getManifestList()
if err != nil {
return "", err
}
list, err = addManifestToList(ref, list, systemContext, opts)
if err != nil {
return "", err
}
return list.SaveToImage(i.imageruntime.store, i.ID(), nil, "")
}
// PushManifest pushes a manifest to a destination
func (i *Image) PushManifest(dest types.ImageReference, opts manifests.PushOptions) (digest.Digest, error) {
list, err := i.getManifestList()
if err != nil {
return "", err
}
_, d, err := list.Push(context.Background(), dest, opts)
return d, err
}
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