feat(bucket): implement bucket initialization and logging infrastructure

Add bucket init logic with directory structure creation and log macros
for tracing

3 files changed, 44 insertions, 1 deletions

diff --git a/rola-utils/constants/src/bucket.rs b/rola-utils/constants/src/bucket.rs
new file mode 100644
index 0000000..e2ebff2
--- /dev/null
+++ b/rola-utils/constants/src/bucket.rs
@@ -0,0 +1,38 @@
+#[shared_macros::constants]
+mod consts {
+    /// Full object storage pool directory
+    pub const DIR_BUCKET_OBJ: &str = "./objects/";
+
+    /// Full compressed object storage pool directory
+    pub const DIR_BUCKET_COMPRESSED_OBJ: &str = "./compressed-objects/";
+
+    /// Incremental object fragment storage pool directory
+    pub const DIR_BUCKET_DELTA: &str = "./delta-objects/";
+
+    /// Version information storage directory
+    pub const DIR_BUCKET_ID_REVS: &str = "./revs/";
+
+    /// Tag storage directory, used to record tags for easy file location
+    pub const DIR_BUCKET_ID_TAGS: &str = "./tags/";
+
+    /// Full object file path template
+    pub const FILE_BUCKET_OBJ: &str = "./objects/{slice1}/{slice2}/{fullname}";
+
+    /// Full compressed object file path template
+    pub const FILE_BUCKET_COMPRESSED_OBJ: &str =
+        "./compressed-objects/{slice1}/{slice2}/{fullname}";
+
+    /// Incremental object file path template (records change info between the previous delta and the current delta)
+    pub const FILE_BUCKET_DELTA: &str = "./delta-objects/{slice1}/{slice2}/{fullname}";
+
+    /// Version information file, records the storage mode, pointed object, and its log offset for all versions of a given file ID (append-only)
+    pub const FILE_BUCKET_ID_REV: &str = "./revs/{file_id}.v";
+
+    /// Version log file, records all operation logs for a given file ID (append-only)
+    pub const FILE_BUCKET_ID_REV_LOG: &str = "./revs/{file_id}.log";
+
+    /// Tag file, internally points to a file_id
+    pub const FILE_BUCKET_ID_TAG: &str = "./tags/{tag_name}";
+}
+
+pub use consts::*;
diff --git a/rola-utils/constants/src/common.rs b/rola-utils/constants/src/common.rs
index 6ce6bd8..8b333e7 100644
--- a/rola-utils/constants/src/common.rs
+++ b/rola-utils/constants/src/common.rs
@@ -1,7 +1,10 @@
 #[shared_macros::constants]
 mod consts {
     /// Directory name for Rorolala metadata storage in Workdraft
-    pub const DRAFT_META_DIR: &str = ".rola";
+    pub const DIR_DRAFT_META: &str = ".rola";
+
+    /// Configuration file indicating the root directory of a bucket
+    pub const FILE_BUCKET_ROOT_CONFIG: &str = "bucket.toml";
 }
 
 pub use consts::*;
diff --git a/rola-utils/constants/src/lib.rs b/rola-utils/constants/src/lib.rs
index 566440d..ab8bd4a 100644
--- a/rola-utils/constants/src/lib.rs
+++ b/rola-utils/constants/src/lib.rs
@@ -3,3 +3,5 @@
 //! This module records all constant information for Rorolala
 
 pub mod common;
+
+pub mod bucket;