feat: smoke main.go

main.go

@@ -0,0 +1,80 @@
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"flag"
+	"fmt"
+	"io"
+	"os"
+	"os/signal"
+	"strings"
+	"syscall"
+
+	appconfig "github.com/getcompanion-ai/computer-host/internal/config"
+	"github.com/getcompanion-ai/computer-host/internal/firecracker"
+	"github.com/getcompanion-ai/computer-host/internal/service"
+)
+
+type options struct {
+	MachineID firecracker.MachineID
+}
+
+func main() {
+	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer stop()
+
+	opts, err := parseOptions(os.Args[1:], os.Stderr)
+	if err != nil {
+		exit(err)
+	}
+
+	cfg, err := appconfig.Load()
+	if err != nil {
+		exit(err)
+	}
+
+	svc, err := service.New(cfg)
+	if err != nil {
+		exit(err)
+	}
+
+	state, err := svc.CreateMachine(ctx, service.CreateMachineRequest{ID: opts.MachineID})
+	if err != nil {
+		exit(err)
+	}
+
+	if err := writeJSON(os.Stdout, state); err != nil {
+		exit(err)
+	}
+}
+
+func parseOptions(args []string, stderr io.Writer) (options, error) {
+	fs := flag.NewFlagSet("firecracker-host", flag.ContinueOnError)
+	fs.SetOutput(stderr)
+
+	var machineID string
+	fs.StringVar(&machineID, "machine-id", "", "machine id to boot")
+
+	if err := fs.Parse(args); err != nil {
+		return options{}, err
+	}
+
+	machineID = strings.TrimSpace(machineID)
+	if machineID == "" {
+		return options{}, fmt.Errorf("-machine-id is required")
+	}
+
+	return options{MachineID: firecracker.MachineID(machineID)}, nil
+}
+
+func writeJSON(w io.Writer, value any) error {
+	encoder := json.NewEncoder(w)
+	encoder.SetIndent("", "  ")
+	return encoder.Encode(value)
+}
+
+func exit(err error) {
+	fmt.Fprintln(os.Stderr, err)
+	os.Exit(1)
+}