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publish.go
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publish.go
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// Copyright 2022 Namespace Labs Inc; All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
package docker
import (
"context"
"namespacelabs.dev/foundation/internal/artifacts/oci"
"namespacelabs.dev/foundation/internal/compute"
"namespacelabs.dev/foundation/internal/fnerrors"
"namespacelabs.dev/foundation/std/tasks"
)
func PublishImage(tag compute.Computable[oci.RepositoryWithParent], image compute.Computable[oci.ResolvableImage]) compute.Computable[oci.ImageID] {
return &publishImage{tag: tag, image: image}
}
type publishImage struct {
tag compute.Computable[oci.RepositoryWithParent]
image compute.Computable[oci.ResolvableImage]
compute.LocalScoped[oci.ImageID]
}
func (pi *publishImage) Inputs() *compute.In {
return compute.Inputs().Computable("tag", pi.tag).Computable("image", pi.image)
}
func (pi *publishImage) Output() compute.Output {
return compute.Output{NotCacheable: true} // XXX capture more explicitly that there are side-effects.
}
func (pi *publishImage) Action() *tasks.ActionEvent {
return tasks.Action("docker.publish")
}
func (pi *publishImage) Compute(ctx context.Context, deps compute.Resolved) (oci.ImageID, error) {
tag := compute.MustGetDepValue(deps, pi.tag, "tag")
resolvable := compute.MustGetDepValue(deps, pi.image, "image")
tasks.Attachments(ctx).AddResult("repository", tag.Repository)
img, err := resolvable.ImageForPlatform(HostPlatform())
if err != nil {
return oci.ImageID{}, fnerrors.InternalError("docker: %w", err)
}
digest, err := img.Digest()
if err != nil {
return oci.ImageID{}, err
}
ref, err := oci.ParseTag(tag.RepositoryWithAccess, digest)
if err != nil {
return oci.ImageID{}, err
}
if err := WriteImage(ctx, img, ref, true); err != nil {
return oci.ImageID{}, err
}
return oci.ImageID{Repository: tag.Repository, Digest: digest.String()}, nil
}