feat: env driver

Co-authored-by: Furkan Türkal <furkan.turkal@trendyol.com>
Signed-off-by: Batuhan Apaydın <batuhan.apaydin@trendyol.com>

driver/env/driver.go

@@ -0,0 +1,70 @@
+package env
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/docker/buildx/driver"
+	"github.com/docker/buildx/util/progress"
+	"github.com/moby/buildkit/client"
+	buildkitclient "github.com/moby/buildkit/client"
+	"github.com/pkg/errors"
+)
+
+type Driver struct {
+	factory driver.Factory
+	driver.InitConfig
+	BuldkitdAddr string
+	BuildkitAPI  *buildkitclient.Client
+}
+
+func (d *Driver) Bootstrap(ctx context.Context, l progress.Logger) error {
+	return nil
+}
+
+func (d *Driver) Info(ctx context.Context) (*driver.Info, error) {
+	if d.BuldkitdAddr == "" && d.Driver == "env" {
+		return nil, errors.Errorf("buldkitd addr must not be empty")
+	}
+
+	c, err := client.New(ctx, d.BuldkitdAddr)
+	if err != nil {
+		return nil, errors.Wrapf(driver.ErrNotConnecting, err.Error())
+	}
+
+	if _, err := c.ListWorkers(ctx); err != nil {
+		return nil, errors.Wrapf(driver.ErrNotConnecting, err.Error())
+	}
+
+	return &driver.Info{
+		Status: driver.Running,
+	}, nil
+}
+
+func (d *Driver) Stop(ctx context.Context, force bool) error {
+	return fmt.Errorf("stop command is not implemented for this driver")
+}
+
+func (d *Driver) Rm(ctx context.Context, force, rmVolume, rmDaemon bool) error {
+	return fmt.Errorf("rm command is not implemented for this driver")
+}
+
+func (d *Driver) Client(ctx context.Context) (*client.Client, error) {
+	return client.New(ctx, d.BuldkitdAddr, client.WithSessionDialer(d.BuildkitAPI.Dialer()))
+}
+
+func (d *Driver) Features() map[driver.Feature]bool {
+	return map[driver.Feature]bool{}
+}
+
+func (d *Driver) Factory() driver.Factory {
+	return d.factory
+}
+
+func (d *Driver) IsMobyDriver() bool {
+	return false
+}
+
+func (d *Driver) Config() driver.InitConfig {
+	return d.InitConfig
+}

driver/env/factory.go

@@ -0,0 +1,52 @@
+package env
+
+import (
+	"context"
+
+	"github.com/docker/buildx/driver"
+	dockerclient "github.com/docker/docker/client"
+	"github.com/pkg/errors"
+)
+
+const prioritySupported = 50
+const priorityUnsupported = 90
+
+func init() {
+	driver.Register(&factory{})
+}
+
+type factory struct {
+}
+
+func (*factory) Name() string {
+	return "env"
+}
+
+func (*factory) Usage() string {
+	return "env"
+}
+
+func (*factory) Priority(ctx context.Context, api dockerclient.APIClient) int {
+	if api == nil {
+		return priorityUnsupported
+	}
+
+	return prioritySupported
+}
+
+func (f *factory) New(ctx context.Context, cfg driver.InitConfig) (driver.Driver, error) {
+	if len(cfg.Files) > 0 {
+		return nil, errors.Errorf("setting config file is not supported for remote driver")
+	}
+
+	return &Driver{
+		factory:      f,
+		InitConfig:   cfg,
+		BuldkitdAddr: cfg.BuldkitdAddr,
+		BuildkitAPI:  cfg.BuildkitAPI,
+	}, nil
+}
+
+func (f *factory) AllowsInstances() bool {
+	return true
+}