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package docker
import (
"context"
"github.com/docker/buildx/driver"
dockerclient "github.com/docker/docker/client"
"github.com/pkg/errors"
)
const prioritySupported = 10
const priorityUnsupported = 99
func init() {
driver.Register(&factory{})
}
type factory struct {
}
func (*factory) Name() string {
return "docker"
}
func (*factory) Usage() string {
return "docker"
}
func (*factory) Priority(ctx context.Context, endpoint string, api dockerclient.APIClient, dialMeta map[string][]string) int {
if api == nil {
return priorityUnsupported
}
c, err := api.DialHijack(ctx, "/grpc", "h2c", dialMeta)
if err != nil {
return priorityUnsupported
}
c.Close()
return prioritySupported
}
func (f *factory) New(ctx context.Context, cfg driver.InitConfig) (driver.Driver, error) {
if cfg.DockerAPI == nil {
return nil, errors.Errorf("docker driver requires docker API access")
}
if len(cfg.Files) > 0 {
return nil, errors.Errorf("setting config file is not supported for docker driver, use dockerd configuration file")
}
return &Driver{factory: f, InitConfig: cfg}, nil
}
func (f *factory) AllowsInstances() bool {
return false
}
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