misc improvements

config/config.go

@@ -1,11 +1,38 @@
 package config
 
+import (
+	"io"
+	"os"
+	"path/filepath"
+
+	"gopkg.in/yaml.v2"
+
+	"git.janky.solutions/finn/conflib"
+)
+
 type Config struct {
-	DiskStoragePool string `default:"default"`
-	Network         string `default:"default"`
+	StoragePool string `default:"default" yaml:"storage_pool"`
+	Network     string `yaml:"network"`
+	Bridge      string `yaml:"bridge"`
 }
 
-var C = Config{
-	DiskStoragePool: "default",
-	Network:         "default",
+var C Config
+
+func Load() (err error) {
+	loader := conflib.Loader[Config]{AllowNoSources: true}
+
+	C, err = loader.Load(filepath.Join(os.Getenv("HOME"), ".config", "mkvm.yaml"))
+	if err != nil {
+		return err
+	}
+
+	if C.Network == "" && C.Bridge == "" {
+		C.Network = "default"
+	}
+
+	return nil
+}
+
+func init() {
+	conflib.RegisterParser(".yaml", func(target any, f io.Reader) error { return yaml.NewDecoder(f).Decode(target) })
 }