Add bootnode template, allow configuring base recipe flags through yaml.

main.go

@@ -619,6 +619,7 @@ func runIt(recipe playground.Recipe) error {
 
 	components := recipe.Apply(exCtx)
 	svcManager := playground.NewManifest(sessionID, components)
+	svcManager.Bootnode = exCtx.Bootnode
 
 	// generate the dot graph
 	slog.Debug("Generating dot graph...")

playground/local_runner.go

@@ -381,38 +381,46 @@ func (d *LocalRunner) applyTemplate(s *Service) ([]string, map[string]string, er
 		return defaultPort
 	}
 
+	resolveAddr := func(targetSvc *Service, port *Port, protocol, user string) string {
+		// - Service runs on host:
+		//   A: target is inside docker: access with localhost:hostPort
+		//   B: target is on the host: access with localhost:hostPort
+		// - Service runs inside docker:
+		//   C: target is inside docker: access it with DNS service:port
+		//   D: target is on the host: access it with host.docker.internal:hostPort
+		if d.isHostService(s.Name) {
+			// A and B
+			return printAddr(protocol, "localhost", port.HostPort, user)
+		} else {
+			if d.isHostService(targetSvc.Name) {
+				// D
+				return printAddr(protocol, "host.docker.internal", port.HostPort, user)
+			}
+			// C
+			return printAddr(protocol, targetSvc.Name, port.Port, user)
+		}
+	}
+
 	funcs := template.FuncMap{
 		"Service": func(name, portLabel, protocol, user string) string {
-			// For {{Service "name" "portLabel"}}:
-			// - Service runs on host:
-			//   A: target is inside docker: access with localhost:hostPort
-			//   B: target is on the host: access with localhost:hostPort
-			// - Service runs inside docker:
-			//   C: target is inside docker: access it with DNS service:port
-			//   D: target is on the host: access it with host.docker.internal:hostPort
-
-			// find the service and the port that it resolves for that label
 			svc := d.manifest.MustGetService(name)
 			port := svc.MustGetPort(portLabel)
-
-			if d.isHostService(s.Name) {
-				// A and B
-				return printAddr(protocol, "localhost", port.HostPort, user)
-			} else {
-				if d.isHostService(svc.Name) {
-					// D
-					return printAddr(protocol, "host.docker.internal", port.HostPort, user)
-				}
-				// C
-				return printAddr(protocol, svc.Name, port.Port, user)
-			}
+			return resolveAddr(svc, port, protocol, user)
 		},
 		"Port": func(name string, defaultPort int) int {
 			return resolvePort(name, defaultPort, ProtocolTCP)
 		},
 		"PortUDP": func(name string, defaultPort int) int {
 			return resolvePort(name, defaultPort, ProtocolUDP)
 		},
+		"Bootnode": func() string {
+			if d.manifest.Bootnode == nil {
+				return ""
+			}
+			svc := d.manifest.MustGetService(d.manifest.Bootnode.Service)
+			port := svc.MustGetPort("rpc")
+			return resolveAddr(svc, port, "enode", d.manifest.Bootnode.ID)
+		},
 	}
 
 	runTemplate := func(arg string) (string, error) {

playground/manifest.go

@@ -35,6 +35,8 @@ type Manifest struct {
 	// list of Services
 	Services []*Service `json:"services"`
 
+	Bootnode *BootnodeRef `json:"bootnode,omitempty"`
+
 	// overrides is a map of service name to the path of the executable to run
 	// on the host machine instead of a container.
 	overrides map[string]string

playground/recipe_yaml.go

@@ -15,6 +15,9 @@ type YAMLRecipeConfig struct {
 	// Base is the name of the base recipe (l1, opstack, buildernet)
 	Base string `yaml:"base"`
 
+	// BaseArgs are arguments to pass to the base recipe's flags
+	BaseArgs []string `yaml:"base_args,omitempty"`
+
 	// Description is an optional description of the recipe
 	Description string `yaml:"description,omitempty"`
 
@@ -125,6 +128,14 @@ func ParseYAMLRecipe(filePath string, baseRecipes []Recipe) (*YAMLRecipe, error)
 		return nil, fmt.Errorf("unknown base recipe: %s", config.Base)
 	}
 
+	// Parse base_args into the base recipe's flags
+	if len(config.BaseArgs) > 0 {
+		flags := baseRecipe.Flags()
+		if err := flags.Parse(config.BaseArgs); err != nil {
+			return nil, fmt.Errorf("failed to parse base_args: %w", err)
+		}
+	}
+
 	return &YAMLRecipe{
 		baseRecipe: baseRecipe,
 		config:     &config,