Initial creation of the '.ooni/db' folders when not yet setup

internal/database/database.go

@@ -1,6 +1,7 @@
 package database
 
 import (
+	"os"
 	"path/filepath"
 
 	"github.com/apex/log"
@@ -29,16 +30,29 @@ func RunMigrations(db *sqlx.DB) error {
 }
 
 // Connect to the database
-func Connect(path string) (*sqlx.DB, error) {
-	db, err := sqlx.Connect("sqlite3", path)
+func Connect(path string) (db *sqlx.DB, err error) {
+	home, err := ooni.GetOONIHome()
 	if err != nil {
-		return nil, err
+		return
 	}
+
+	if _, e := os.Stat(filepath.Join(home, "db")); e != nil {
+		err = os.MkdirAll(filepath.Join(home, "db"), 0700)
+		if err != nil {
+			return
+		}
+	}
+
+	db, err = sqlx.Connect("sqlite3", path)
+	if err != nil {
+		return
+	}
+
 	err = RunMigrations(db)
 	if err != nil {
-		return nil, err
+		db = nil
 	}
-	return db, nil
+	return
 }
 
 // DefaultDatabasePath for the main database