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prebuilts.go
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/
prebuilts.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 prepare
import (
"context"
specs "github.com/opencontainers/image-spec/specs-go/v1"
"namespacelabs.dev/foundation/internal/artifacts/oci"
"namespacelabs.dev/foundation/internal/build/assets"
"namespacelabs.dev/foundation/internal/build/binary"
"namespacelabs.dev/foundation/internal/compute"
"namespacelabs.dev/foundation/internal/parsing"
"namespacelabs.dev/foundation/internal/runtime/tools"
"namespacelabs.dev/foundation/schema"
"namespacelabs.dev/foundation/std/cfg"
"namespacelabs.dev/foundation/std/pkggraph"
"namespacelabs.dev/foundation/std/tasks"
)
func DownloadPrebuilts(env cfg.Context, packages []schema.PackageName) compute.Computable[[]oci.ResolvableImage] {
return compute.Map(
tasks.Action("prepare.download-prebuilts").HumanReadablef("Download prebuilt package images"),
compute.Inputs().Proto("env", env.Environment()).Strs("packages", schema.Strs(packages...)),
compute.Output{NotCacheable: true},
func(ctx context.Context, _ compute.Resolved) ([]oci.ResolvableImage, error) {
platform, err := tools.HostPlatform(ctx, env.Configuration())
if err != nil {
return nil, err
}
pl := parsing.NewPackageLoader(env)
var pkgs []*pkggraph.Package
var bins []*schema.Binary
for _, pkg := range packages {
p, bin, err := pkggraph.LoadBinary(ctx, pl, schema.MakePackageSingleRef(pkg))
if err != nil {
return nil, err
}
pkgs = append(pkgs, p)
bins = append(bins, bin)
}
sealed := pl.Seal()
var images []compute.Computable[oci.ResolvableImage]
for k, p := range pkgs {
prepared, err := binary.PlanBinary(ctx, pl, env, p.Location, bins[k], assets.AvailableBuildAssets{}, binary.BuildImageOpts{
UsePrebuilts: true,
Platforms: []specs.Platform{platform},
})
if err != nil {
return nil, err
}
image, err := prepared.Image(ctx, pkggraph.MakeSealedContext(env, sealed))
if err != nil {
return nil, err
}
images = append(images, image)
}
collectAll := compute.Collect(tasks.Action("prepare.download-prebuilt-images"), images...)
resolved, err := compute.GetValue(ctx, collectAll)
if err != nil {
return nil, err
}
var results []oci.ResolvableImage
for _, r := range resolved {
results = append(results, r.Value)
}
return results, nil
})
}