runtime: new execution engine

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

cmd/dagger/cmd/root.go

@@ -36,6 +36,8 @@ func init() {
 	rootCmd.PersistentFlags().StringP("environment", "e", "", "Select an environment")
 	rootCmd.PersistentFlags().String("project", "", "Specify a project directory (defaults to current)")
 
+	rootCmd.PersistentFlags().Bool("europa", false, "Enable experiemental Europa UX")
+
 	rootCmd.PersistentPreRun = func(cmd *cobra.Command, _ []string) {
 		lg := logger.New()
 		ctx := lg.WithContext(cmd.Context())

cmd/dagger/cmd/up.go

@@ -6,11 +6,13 @@ import (
 	"os"
 
 	"cuelang.org/go/cue"
+	"go.dagger.io/dagger/client"
 	"go.dagger.io/dagger/cmd/dagger/cmd/common"
 	"go.dagger.io/dagger/cmd/dagger/cmd/output"
 	"go.dagger.io/dagger/cmd/dagger/logger"
 	"go.dagger.io/dagger/compiler"
 	"go.dagger.io/dagger/environment"
+	"go.dagger.io/dagger/plan"
 	"go.dagger.io/dagger/solver"
 	"golang.org/x/term"
 
@@ -61,6 +63,18 @@ var upCmd = &cobra.Command{
 
 		cl := common.NewClient(ctx)
 
+		if viper.GetBool("europa") {
+			err = europaUp(ctx, cl, project.Path)
+
+			<-doneCh
+
+			if err != nil {
+				lg.Fatal().Err(err).Msg("failed to up environment")
+			}
+
+			return
+		}
+
 		env, err := environment.New(st)
 		if err != nil {
 			lg.Fatal().Msg("unable to create environment")
@@ -97,6 +111,27 @@ var upCmd = &cobra.Command{
 	},
 }
 
+func europaUp(ctx context.Context, cl *client.Client, path string) error {
+	lg := log.Ctx(ctx)
+
+	p, err := plan.Load(ctx, path, "")
+	if err != nil {
+		lg.Fatal().Err(err).Msg("failed to load plan")
+	}
+
+	localdirs, err := p.LocalDirectories()
+	if err != nil {
+		return err
+	}
+	return cl.Do(ctx, p.Context(), localdirs, func(ctx context.Context, s solver.Solver) error {
+		if err := p.Up(ctx, s); err != nil {
+			return err
+		}
+
+		return nil
+	})
+}
+
 func checkInputs(ctx context.Context, env *environment.Environment) error {
 	lg := log.Ctx(ctx)
 	warnOnly := viper.GetBool("force")