implement uncloudd daemon that starts a WireGuard network without peer probing

internal/machine/daemon/config.go

@@ -1,45 +0,0 @@
-package daemon
-
-import (
-	"encoding/json"
-	"fmt"
-	"os"
-	"path/filepath"
-)
-
-const (
-	DefaultDataDir    = "/var/lib/uncloud"
-	MachineConfigPath = "machine.json"
-)
-
-type Config struct {
-	UncloudID     string
-	UncloudSecret string
-	// IPv4 network in CIDR format to use for the machine network.
-	Network string
-}
-
-func ReadConfig(path string) (Config, error) {
-	data, err := os.ReadFile(path)
-	if err != nil {
-		return Config{}, fmt.Errorf("read config file %q: %w", path, err)
-	}
-	var config Config
-	if err = json.Unmarshal(data, &config); err != nil {
-		return Config{}, fmt.Errorf("parse config file %q: %w", path, err)
-	}
-	return config, nil
-}
-
-func (c *Config) Write(path string) error {
-	dir, _ := filepath.Split(path)
-	if err := os.MkdirAll(dir, 0700); err != nil {
-		return fmt.Errorf("create config directory %q: %w", dir, err)
-	}
-
-	data, err := json.Marshal(c)
-	if err != nil {
-		return fmt.Errorf("marshal config: %w", err)
-	}
-	return os.WriteFile(path, data, 0600)
-}

internal/machine/daemon/daemon.go

@@ -0,0 +1,34 @@
+package daemon
+
+import (
+	"context"
+	"fmt"
+	"uncloud/internal/machine"
+	"uncloud/internal/machine/network"
+)
+
+func Run(ctx context.Context, dataDir string) error {
+	cfg, err := machine.ParseConfig(machine.ConfigPath(dataDir))
+	if err != nil {
+		return fmt.Errorf("load machine config: %w", err)
+	}
+
+	wgnet, err := network.NewWireGuardNetwork()
+	if err != nil {
+		return fmt.Errorf("create WireGuard network: %w", err)
+	}
+	if err = wgnet.Configure(*cfg.Network); err != nil {
+		return fmt.Errorf("configure WireGuard network: %w", err)
+	}
+
+	//ctx, cancel := context.WithCancel(context.Background())
+	//go wgnet.WatchEndpoints(ctx, peerEndpointChangeNotifier)
+
+	//addrs, err := network.ListRoutableAddresses()
+	//if err != nil {
+	//	return err
+	//}
+	//fmt.Println("Addresses:", addrs)
+
+	return wgnet.Run(ctx)
+}

internal/machine/daemon/run.go

@@ -1,17 +0,0 @@
-package daemon
-
-import (
-	"errors"
-	"fmt"
-	"path/filepath"
-)
-
-func Run(dataDir string) error {
-	cfg, err := ReadConfig(filepath.Join(dataDir, MachineConfigPath))
-	if err != nil {
-		return err
-	}
-	fmt.Println("Config", cfg)
-
-	return errors.New("Running daemon...")
-}