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//go:build ignore
package main
import (
"os"
"github.com/moby/buildkit/client/llb"
gobuild "github.com/tonistiigi/llb-gobuild"
)
func main() {
if err := run(); err != nil {
panic(err)
}
}
func run() error {
src := llb.Local("src")
gb := gobuild.New(nil)
// gb := gobuild.New(&gobuild.Opt{DevMode: true})
buildctl, err := gb.BuildExe(gobuild.BuildOpt{
Source: src,
MountPath: "/go/src/github.com/moby/buildkit",
Pkg: "github.com/moby/buildkit/cmd/buildctl",
BuildTags: []string{},
})
if err != nil {
return err
}
buildkitd, err := gb.BuildExe(gobuild.BuildOpt{
Source: src,
MountPath: "/go/src/github.com/moby/buildkit",
Pkg: "github.com/moby/buildkit/cmd/buildkitd",
BuildTags: []string{},
})
if err != nil {
return err
}
_ = buildkitd
containerd, err := gb.BuildExe(gobuild.BuildOpt{
Source: llb.Git("github.com/containerd/containerd", "v1.2.7"),
MountPath: "/go/src/github.com/containerd/containerd",
Pkg: "github.com/containerd/containerd/cmd/containerd",
BuildTags: []string{"no_btrfs"},
})
if err != nil {
return err
}
runc, err := gb.BuildExe(gobuild.BuildOpt{
CgoEnabled: true,
Source: llb.Git("github.com/opencontainers/runc", "master"),
MountPath: "/go/src/github.com/opencontainers/runc",
Pkg: "github.com/opencontainers/runc",
BuildTags: []string{},
})
if err != nil {
return err
}
sc := llb.Scratch().
With(copyAll(*buildctl, "/")).
With(copyAll(*containerd, "/")).
// With(copyAll(*buildkitd, "/")).
With(copyAll(*runc, "/"))
dt, err := sc.Marshal(llb.LinuxAmd64)
if err != nil {
panic(err)
}
llb.WriteTo(dt, os.Stdout)
return nil
}
func copyAll(src llb.State, destPath string) llb.StateOption {
return copyFrom(src, "/.", destPath)
}
// copyFrom has similar semantics as `COPY --from`
func copyFrom(src llb.State, srcPath, destPath string) llb.StateOption {
return func(s llb.State) llb.State {
return copy(src, srcPath, s, destPath)
}
}
// copy copies files between 2 states using cp until there is no copyOp
func copy(src llb.State, srcPath string, dest llb.State, destPath string) llb.State {
cpImage := llb.Image("docker.io/library/alpine@sha256:1072e499f3f655a032e88542330cf75b02e7bdf673278f701d7ba61629ee3ebe")
cp := cpImage.Run(llb.Shlexf("cp -a /src%s /dest%s", srcPath, destPath))
cp.AddMount("/src", src, llb.Readonly)
return cp.AddMount("/dest", dest)
}
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