buildx/build/url.go
Jonathan A. Sternberg b35a0f4718
protobuf: remove gogoproto
Removes gogo/protobuf from buildx and updates to a version of
moby/buildkit where gogo is removed.

This also changes how the proto files are generated. This is because
newer versions of protobuf are more strict about name conflicts. If two
files have the same name (even if they are relative paths) and are used
in different protoc commands, they'll conflict in the registry.

Since protobuf file generation doesn't work very well with
`paths=source_relative`, this removes the `go:generate` expression and
just relies on the dockerfile to perform the generation.

Signed-off-by: Jonathan A. Sternberg <jonathan.sternberg@docker.com>
2024-10-02 15:51:59 -05:00

72 lines
1.7 KiB
Go

package build
import (
"context"
"os"
"path/filepath"
"github.com/docker/buildx/driver"
"github.com/docker/buildx/util/progress"
"github.com/moby/buildkit/client"
"github.com/moby/buildkit/client/llb"
gwclient "github.com/moby/buildkit/frontend/gateway/client"
"github.com/pkg/errors"
"google.golang.org/protobuf/proto"
)
func createTempDockerfileFromURL(ctx context.Context, d *driver.DriverHandle, url string, pw progress.Writer) (string, error) {
c, err := driver.Boot(ctx, ctx, d, pw)
if err != nil {
return "", err
}
var out string
ch, done := progress.NewChannel(pw)
defer func() { <-done }()
_, err = c.Build(ctx, client.SolveOpt{Internal: true}, "buildx", func(ctx context.Context, c gwclient.Client) (*gwclient.Result, error) {
def, err := llb.HTTP(url, llb.Filename("Dockerfile"), llb.WithCustomNamef("[internal] load %s", url)).Marshal(ctx)
if err != nil {
return nil, err
}
res, err := c.Solve(ctx, gwclient.SolveRequest{
Definition: def.ToPB(),
})
if err != nil {
return nil, err
}
ref, err := res.SingleRef()
if err != nil {
return nil, err
}
stat, err := ref.StatFile(ctx, gwclient.StatRequest{
Path: "Dockerfile",
})
if err != nil {
return nil, err
}
if proto.Size(stat) > 512*1024 {
return nil, errors.Errorf("Dockerfile %s bigger than allowed max size", url)
}
dt, err := ref.ReadFile(ctx, gwclient.ReadRequest{
Filename: "Dockerfile",
})
if err != nil {
return nil, err
}
dir, err := os.MkdirTemp("", "buildx")
if err != nil {
return nil, err
}
if err := os.WriteFile(filepath.Join(dir, "Dockerfile"), dt, 0600); err != nil {
return nil, err
}
out = dir
return nil, nil
}, ch)
if err != nil {
return "", err
}
return out, nil
}