# Base image from NGC TensorRT-LLM, which includes a pre-installed TensorRT-LLM.
# For available images, visit: https://nvidia.github.io/TensorRT-LLM/installation/containers.html
# Use TRTLLM_BASE_IMAGE to specify the base image (default: release:1.3.0rc15)
ARG TRTLLM_BASE_IMAGE=nvcr.io/nvidia/tensorrt-llm/release:1.3.0rc15
FROM ${TRTLLM_BASE_IMAGE}

# Clear TORCH_CUDA_ARCH_LIST inherited from the base image so that
# FlashInfer's check_cuda_arch() queries the actual GPU at runtime
# instead of rejecting GPUs not in the build-time arch list.
ENV TORCH_CUDA_ARCH_LIST=""

# ==============================================================================
# Install Megatron dependencies
# ==============================================================================
# DeepEP is required for IBGDA support.
# Clone and build gdrcopy and deepep-nvshmem dependencies.
WORKDIR /home/dpsk_a2a
RUN git clone -b v2.5.1 https://github.com/NVIDIA/gdrcopy.git && \
    pushd gdrcopy && \
    make prefix=/usr/local lib_install && \
    popd && rm -rf gdrcopy && \
    pip install nvidia-nvshmem-cu13==3.3.20 && \
    export NVSHMEM_DIR=/usr/local/lib/python3.12/dist-packages/nvidia/nvshmem && \
    export LD_LIBRARY_PATH="${NVSHMEM_DIR}/lib:$LD_LIBRARY_PATH" && \
    export PATH="${NVSHMEM_DIR}/bin:$PATH" && \
    pushd ${NVSHMEM_DIR}/lib && \
    ln -s libnvshmem_host.so.3 libnvshmem_host.so && \
    popd && \
    git clone -b hybrid-ep https://github.com/deepseek-ai/DeepEP.git && \
    pushd DeepEP && \
    export CPATH=/usr/local/cuda/targets/$(uname -m | sed 's/aarch64/sbsa-linux/;s/x86_64/x86_64-linux/')/include/cccl:$CPATH && \
    TORCH_CUDA_ARCH_LIST="9.0 10.0 12.0" python setup.py install && \
    popd && rm -rf deepep

# Install Python dependencies
RUN pip3 install --no-cache-dir --no-deps trl==0.27.0 && \
    pip3 install --no-cache-dir transformers==5.3.0 && \
    pip3 install --no-cache-dir nvtx matplotlib liger_kernel cachetools annotated-doc && \
    pip3 install --no-cache-dir cupy-cuda12x==14.0.1 && \
    pip install --no-cache-dir -U git+https://github.com/ISEEKYAN/mbridge.git@641a5a0 && \
    pip install --no-deps --no-cache-dir megatron-core==0.18.0 && \
    pip install --no-deps --no-cache-dir megatron-bridge==0.5.0 && \
    pip install --no-deps --no-cache-dir nvidia-resiliency-ext==0.6.0


# ==============================================================================
# Install verl dependencies
# ==============================================================================
RUN pip install git+https://github.com/verl-project/verl.git@v0.7.1
RUN pip uninstall -y verl
RUN pip install "verl[mcore] @ git+https://github.com/verl-project/verl.git@v0.7.1"
RUN pip uninstall -y verl

# Bake in accelerate patches (idempotent; exits 1 if target text is missing)
RUN python3 - <<'PY'
from pathlib import Path
# (a) lazy-import bnb in accelerate/utils/__init__.py
path = Path("/usr/local/lib/python3.12/dist-packages/accelerate/utils/__init__.py")
text = path.read_text()
old = "from .bnb import has_4bit_bnb_layers, load_and_quantize_model\n"
new = (
    "def has_4bit_bnb_layers(*args, **kwargs):\n"
    "    from .bnb import has_4bit_bnb_layers as _has_4bit_bnb_layers\n"
    "    return _has_4bit_bnb_layers(*args, **kwargs)\n\n\n"
    "def load_and_quantize_model(*args, **kwargs):\n"
    "    from .bnb import load_and_quantize_model as _load_and_quantize_model\n"
    "    return _load_and_quantize_model(*args, **kwargs)\n"
)
if old in text:
    path.write_text(text.replace(old, new, 1)); print("Patched accelerate.utils bnb lazy imports")
elif "def load_and_quantize_model(*args, **kwargs):" in text:
    print("accelerate.utils bnb lazy import patch already present")
else:
    raise RuntimeError("accelerate.utils bnb import patch target not found")
# (b) numpy multiarray lookup in accelerate/utils/other.py
other_path = Path("/usr/local/lib/python3.12/dist-packages/accelerate/utils/other.py")
text = other_path.read_text()
old = (
    'np_core = np._core if is_numpy_available("2.0.0") else np.core\n'
    "TORCH_SAFE_GLOBALS = [\n"
    "    # numpy arrays are just numbers, not objects, so we can reconstruct them safely\n"
    "    np_core.multiarray._reconstruct,\n"
)
new = (
    'np_core = np._core if is_numpy_available("2.0.0") else np.core\n'
    "np_multiarray = getattr(np_core, \"multiarray\", None)\n"
    "if np_multiarray is None:\n"
    "    np_multiarray = np_core._multiarray_umath\n"
    "TORCH_SAFE_GLOBALS = [\n"
    "    # numpy arrays are just numbers, not objects, so we can reconstruct them safely\n"
    "    np_multiarray._reconstruct,\n"
)
if old in text:
    other_path.write_text(text.replace(old, new, 1)); print("Patched accelerate.utils.other numpy multiarray lookup")
elif "np_multiarray = getattr(np_core" in text:
    print("accelerate.utils.other numpy multiarray patch already present")
else:
    raise RuntimeError("accelerate.utils.other numpy patch target not found")
PY
RUN python3 -c "import transformers, accelerate; print('transformers:', transformers.__version__, 'accelerate:', accelerate.__version__)"

# Pin Ray to a version compatible with TRT-LLM 1.3.0rc15
RUN pip install --no-cache-dir "ray[default]==2.54.1"

# ==============================================================================
# Install a specific TensorRT-LLM on demand
# ==============================================================================
# Note: The NGC image already includes a pre-installed TensorRT-LLM, but you can install a specific version if needed.
# Refer to https://nvidia.github.io/TensorRT-LLM/installation/index.html for more details.