reorg: remove golang depends

.github/workflows/_build.yml

@@ -80,9 +80,6 @@ jobs:
         git reset --hard HEAD
         git clean -fd
         # For sdist, ensure local runtime binaries are not packaged even if present
-        rm -rf openviking/bin openviking/lib third_party/agfs/bin || true
-        rm -f openviking/storage/vectordb/*.so openviking/storage/vectordb/*.dylib openviking/storage/vectordb/*.dll openviking/storage/vectordb/*.exe || true
-        rm -rf openviking/_version.py openviking.egg-info
         # Ignore uv.lock changes to avoid dirty state in setuptools_scm
         git update-index --assume-unchanged uv.lock || true
 
@@ -193,11 +190,6 @@ jobs:
         echo "LD_LIBRARY_PATH=${PYTHON_PREFIX}/lib:${LD_LIBRARY_PATH}" >> "$GITHUB_ENV"
         export LD_LIBRARY_PATH="${PYTHON_PREFIX}/lib:${LD_LIBRARY_PATH}"
         "$PYTHON_BIN" -V
-    - name: Set up Go
-      uses: actions/setup-go@v6
-      with:
-        go-version: '1.25.1'
-
     - name: Set up Rust
       uses: dtolnay/rust-toolchain@v1
       with:
@@ -351,11 +343,6 @@ jobs:
         echo "_PYTHON_HOST_PLATFORM=macosx-${MACOS_VERSION}-${TARGET_ARCH}" >> "$GITHUB_ENV"
         echo "Configured macOS wheel platform: macosx-${MACOS_VERSION}-${TARGET_ARCH}"
 
-    - name: Set up Go
-      uses: actions/setup-go@v6
-      with:
-        go-version: '1.25.1'
-
     - name: Set up Rust
       uses: dtolnay/rust-toolchain@v1
       with:

.github/workflows/_codeql.yml

@@ -29,11 +29,6 @@ jobs:
       with:
         python-version: '3.11'
 
-    - name: Set up Go
-      uses: actions/setup-go@v6
-      with:
-        go-version: 'stable'
-
     - name: Install uv
       uses: astral-sh/setup-uv@v7
       with:

.github/workflows/_lint.yml

@@ -19,11 +19,6 @@ jobs:
       with:
         python-version: '3.11'
 
-    - name: Set up Go
-      uses: actions/setup-go@v6
-      with:
-        go-version: 'stable'
-
     - name: Install uv
       uses: astral-sh/setup-uv@v7
       with:

.github/workflows/_test_full.yml

@@ -44,11 +44,6 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
-    - name: Set up Go
-      uses: actions/setup-go@v6
-      with:
-        go-version: '1.25.1'
-
     - name: Install uv
       uses: astral-sh/setup-uv@v7
       with:

.github/workflows/_test_lite.yml

@@ -44,11 +44,6 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
-    - name: Set up Go
-      uses: actions/setup-go@v6
-      with:
-        go-version: '1.25.1'
-
     - name: Install uv
       uses: astral-sh/setup-uv@v7
       with:

.github/workflows/api_test.yml

@@ -59,15 +59,6 @@ jobs:
         with:
           python-version: '3.10'
 
-      - name: Cache Go modules
-        uses: actions/cache@v5
-        continue-on-error: true
-        with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('third_party/agfs/**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-go-
-
       - name: Cache Python dependencies (Unix)
         if: runner.os != 'Windows'
         uses: actions/cache@v5
@@ -86,11 +77,6 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-pip-
 
-      - name: Set up Go
-        uses: actions/setup-go@v6
-        with:
-          go-version: '1.25.1'
-
       - name: Install system dependencies (Ubuntu)
         if: runner.os == 'Linux'
         run: |

Dockerfile

@@ -1,22 +1,17 @@
 # syntax=docker/dockerfile:1.9
 
-# Stage 1: provide Go toolchain (required by setup.py -> build_agfs_artifacts -> make build)
-FROM golang:1.26-trixie AS go-toolchain
-
-# Stage 2: provide Rust toolchain (required by setup.py -> build_ov_cli_artifact -> cargo build)
+# Stage 1: provide Rust toolchain (required by setup.py -> build_ov_cli_artifact -> cargo build)
 FROM rust:1.88-trixie AS rust-toolchain
 
-# Stage 3: build Python environment with uv (builds AGFS + Rust CLI + C++ extension from source)
+# Stage 2: build Python environment with uv (builds Rust CLI + C++ extension from source)
 FROM ghcr.io/astral-sh/uv:python3.13-trixie-slim AS py-builder
 
-# Reuse Go toolchain from stage 1 so setup.py can compile agfs-server in-place.
-COPY --from=go-toolchain /usr/local/go /usr/local/go
-# Reuse Rust toolchain from stage 2 so setup.py can compile ov CLI in-place.
+# Reuse Rust toolchain from stage 1 so setup.py can compile ov CLI in-place.
 COPY --from=rust-toolchain /usr/local/cargo /usr/local/cargo
 COPY --from=rust-toolchain /usr/local/rustup /usr/local/rustup
 ENV CARGO_HOME=/usr/local/cargo
 ENV RUSTUP_HOME=/usr/local/rustup
-ENV PATH="/app/.venv/bin:/usr/local/cargo/bin:/usr/local/go/bin:${PATH}"
+ENV PATH="/app/.venv/bin:/usr/local/cargo/bin:${PATH}"
 ARG OPENVIKING_VERSION=0.0.0
 ARG TARGETPLATFORM
 ARG UV_LOCK_STRATEGY=auto
@@ -42,7 +37,6 @@ COPY crates/ crates/
 COPY openviking/ openviking/
 COPY openviking_cli/ openviking_cli/
 COPY src/ src/
-COPY third_party/ third_party/
 
 # Install project and dependencies (triggers setup.py artifact builds + build_extension).
 # Default to auto-refreshing uv.lock inside the ephemeral build context when it is
@@ -65,9 +59,8 @@ RUN --mount=type=cache,target=/root/.cache/uv,id=uv-${TARGETPLATFORM} \
             ;; \
     esac
 
-# Build ragfs-python (Rust AGFS binding) and extract the native extension
-# into the installed openviking package so it ships alongside the Go binding.
-# Selection at runtime via RAGFS_IMPL env var (auto/rust/go).
+# Build ragfs-python (Rust RAGFS binding) and extract the native extension
+# into the installed openviking package.
 RUN --mount=type=cache,target=/root/.cache/uv,id=uv-${TARGETPLATFORM} \
     uv pip install maturin && \
     export _TMPDIR=$(mktemp -d) && \
@@ -103,7 +96,7 @@ print("WARNING: No ragfs_python .so/.pyd in wheel")
 sys.exit(1)
 PY
 
-# Stage 4: runtime
+# Stage 3: runtime
 FROM python:3.13-slim-trixie
 
 RUN apt-get update && apt-get install -y --no-install-recommends \

MANIFEST.in

@@ -3,9 +3,6 @@ graft third_party/leveldb-1.23
 graft third_party/spdlog-1.14.1
 graft third_party/croaring
 graft third_party/rapidjson
-recursive-include third_party/agfs/agfs-server *.go go.mod go.sum Makefile
-recursive-include third_party/agfs/agfs-sdk/go *.go go.mod
-include third_party/agfs/bin/agfs-server
 include LICENSE
 include README.md
 include pyproject.toml

Makefile

@@ -3,12 +3,10 @@
 # Variables
 PYTHON ?= python3
 SETUP_PY := setup.py
-AGFS_SERVER_DIR := third_party/agfs/agfs-server
 OV_CLI_DIR := crates/ov_cli
 
 # Dependency Versions
 MIN_PYTHON_VERSION := 3.10
-MIN_GO_VERSION := 1.22
 MIN_CMAKE_VERSION := 3.12
 MIN_RUST_VERSION := 1.88
 MIN_GCC_VERSION := 9
@@ -21,7 +19,6 @@ CLEAN_DIRS := \
 	*.egg-info/ \
 	openviking/bin/ \
 	openviking/lib/ \
-	$(AGFS_SERVER_DIR)/build/ \
 	$(OV_CLI_DIR)/target/ \
 	src/cmake_build/ \
 	.pytest_cache/ \
@@ -35,9 +32,9 @@ all: build
 
 help:
 	@echo "Available targets:"
-	@echo "  build       - Build AGFS, ov CLI, and C++ extensions using setup.py"
+	@echo "  build       - Build ragfs-python and C++ extensions using setup.py"
 	@echo "  clean       - Remove build artifacts and temporary files"
-	@echo "  check-deps  - Check if required dependencies (Go, Rust, CMake, etc.) are installed"
+	@echo "  check-deps  - Check if required dependencies (Rust, CMake, etc.) are installed"
 	@echo "  help        - Show this help message"
 
 check-pip:
@@ -59,11 +56,6 @@ check-deps:
 	@# Python check
 	@$(PYTHON) -c "import sys; v=sys.version_info; exit(0 if v.major > 3 or (v.major == 3 and v.minor >= 10) else 1)" || (echo "Error: Python >= $(MIN_PYTHON_VERSION) is required."; exit 1)
 	@echo "  [OK] Python $$( $(PYTHON) -V | cut -d' ' -f2 )"
-	@# Go check
-	@command -v go > /dev/null 2>&1 || (echo "Error: Go is not installed."; exit 1)
-	@GO_VER=$$(go version | awk '{print $$3}' | sed 's/go//'); \
-	$(PYTHON) -c "v='$$GO_VER'.split('.'); exit(0 if int(v[0]) > 1 or (int(v[0]) == 1 and int(v[1]) >= 22) else 1)" || (echo "Error: Go >= $(MIN_GO_VERSION) is required. Found $$GO_VER"; exit 1); \
-	echo "  [OK] Go $$GO_VER"
 	@# CMake check
 	@command -v cmake > /dev/null 2>&1 || (echo "Error: CMake is not installed."; exit 1)
 	@CMAKE_VER=$$(cmake --version | head -n1 | awk '{print $$3}'); \
@@ -99,7 +91,7 @@ build: check-deps check-pip
 		echo "  [OK] pip found, use pip to install..."; \
 		$(PYTHON) -m pip install -e .; \
 	fi
-	@echo "Building ragfs-python (Rust AGFS binding) into openviking/lib/..."
+	@echo "Building ragfs-python (Rust RAGFS binding) into openviking/lib/..."
 	@MATURIN_CMD=""; \
 	if command -v maturin > /dev/null 2>&1; then \
 		MATURIN_CMD=maturin; \
@@ -131,7 +123,6 @@ build: check-deps check-pip
 	else \
 		echo "  [SKIP] maturin not found, ragfs-python (Rust binding) will not be built."; \
 		echo "         Install maturin to enable: uv pip install maturin"; \
-		echo "         The Go binding will be used as fallback."; \
 	fi
 	@echo "Build completed successfully."
 
@@ -145,4 +136,4 @@ clean:
 	done
 	@find . -name "*.pyc" -delete
 	@find . -name "__pycache__" -type d -exec rm -rf {} +
-	@echo "Cleanup completed."
+	@echo "Cleanup completed."

crates/ragfs/src/plugins/s3fs/client.rs

@@ -79,6 +79,7 @@ pub struct S3Client {
     bucket: String,
     prefix: String,
     marker_mode: DirectoryMarkerMode,
+    disable_batch_delete: bool,
 }
 
 impl S3Client {
@@ -125,6 +126,11 @@ impl S3Client {
             .map(|s| DirectoryMarkerMode::from_str(s))
             .unwrap_or(DirectoryMarkerMode::Empty);
 
+        let disable_batch_delete = config
+            .get("disable_batch_delete")
+            .and_then(|v| v.as_bool())
+            .unwrap_or(false);
+
         // Build S3 config
         let mut s3_config_builder = aws_sdk_s3::Config::builder()
             .behavior_version(BehaviorVersion::latest())
@@ -150,6 +156,7 @@ impl S3Client {
             bucket,
             prefix,
             marker_mode,
+            disable_batch_delete,
         })
     }
 
@@ -258,35 +265,51 @@ impl S3Client {
     }
 
     /// Batch delete objects (up to 1000 per call)
+    /// If disable_batch_delete is true, use sequential single-object deletes
+    /// for S3-compatible services (e.g., Alibaba Cloud OSS) that require
+    /// Content-MD5 for DeleteObjects but AWS SDK v2 does not send it by default.
     pub async fn delete_objects(&self, keys: &[String]) -> Result<()> {
         if keys.is_empty() {
             return Ok(());
         }
 
-        // S3 batch delete limit is 1000
-        for chunk in keys.chunks(1000) {
-            let objects: Vec<_> = chunk
-                .iter()
-                .map(|k| {
-                    aws_sdk_s3::types::ObjectIdentifier::builder()
-                        .key(k.as_str())
-                        .build()
-                        .unwrap()
-                })
-                .collect();
-
-            let delete = aws_sdk_s3::types::Delete::builder()
-                .set_objects(Some(objects))
-                .build()
-                .map_err(|e| Error::internal(format!("S3 build delete: {}", e)))?;
-
-            self.client
-                .delete_objects()
-                .bucket(&self.bucket)
-                .delete(delete)
-                .send()
-                .await
-                .map_err(|e| Error::internal(format!("S3 DeleteObjects error: {}", e)))?;
+        if self.disable_batch_delete {
+            // Sequential single-object delete
+            for key in keys {
+                self.client
+                    .delete_object()
+                    .bucket(&self.bucket)
+                    .key(key.as_str())
+                    .send()
+                    .await
+                    .map_err(|e| Error::internal(format!("S3 DeleteObject error: {}", e)))?;
+            }
+        } else {
+            // S3 batch delete limit is 1000
+            for chunk in keys.chunks(1000) {
+                let objects: Vec<_> = chunk
+                    .iter()
+                    .map(|k| {
+                        aws_sdk_s3::types::ObjectIdentifier::builder()
+                            .key(k.as_str())
+                            .build()
+                            .unwrap()
+                    })
+                    .collect();
+
+                let delete = aws_sdk_s3::types::Delete::builder()
+                    .set_objects(Some(objects))
+                    .build()
+                    .map_err(|e| Error::internal(format!("S3 build delete: {}", e)))?;
+
+                self.client
+                    .delete_objects()
+                    .bucket(&self.bucket)
+                    .delete(delete)
+                    .send()
+                    .await
+                    .map_err(|e| Error::internal(format!("S3 DeleteObjects error: {}", e)))?;
+            }
         }
 
         Ok(())

crates/ragfs/src/plugins/s3fs/mod.rs

@@ -532,6 +532,12 @@ impl S3FSPlugin {
                     "empty",
                     "Directory marker mode: none, empty, nonempty",
                 ),
+                ConfigParameter::optional(
+                    "disable_batch_delete",
+                    "bool",
+                    "false",
+                    "Disable batch delete (DeleteObjects) for S3-compatible services like OSS",
+                ),
                 ConfigParameter::optional(
                     "cache_enabled",
                     "bool",
@@ -636,6 +642,19 @@ plugins:
       directory_marker_mode: nonempty
 ```
 
+### Alibaba Cloud OSS
+```yaml
+plugins:
+  s3fs:
+    enabled: true
+    path: /s3
+    config:
+      bucket: my-oss-bucket
+      region: cn-beijing
+      endpoint: http://s3.oss-cn-beijing.aliyuncs.com
+      disable_batch_delete: true
+```
+
 ## Directory Marker Modes
 
 - `empty` (default): Zero-byte marker objects for directories

examples/ov.conf.example

@@ -31,7 +31,8 @@
         "secret_key": null,
         "endpoint": null,
         "prefix": "",
-        "use_ssl": true
+        "use_ssl": true,
+        "disable_batch_delete": false
       }
     }
   },