Improve core module to take care of dir structures and db init

core/structure/dirs.go

@@ -0,0 +1,27 @@
+package structure
+
+import (
+	"os"
+
+	"github.com/safing/portbase/utils"
+)
+
+var (
+	root *utils.DirStructure
+)
+
+// Initialize initializes the data root directory
+func Initialize(rootDir string, perm os.FileMode) error {
+	root = utils.NewDirStructure(rootDir, perm)
+	return root.Ensure()
+}
+
+// Root returns the data root directory.
+func Root() *utils.DirStructure {
+	return root
+}
+
+// NewRootDir calls ChildDir() on the data root directory.
+func NewRootDir(dirName string, perm os.FileMode) (childDir *utils.DirStructure) {
+	return root.ChildDir(dirName, perm)
+}