#!/bin/bash set -euo pipefail # --- config --- APP_USER=${APP_USER:-appuser} APP_GROUP=${APP_GROUP:-appuser} PUID=${PUID:-1000} PGID=${PGID:-1000} BASE_DIR=/app/ComfyUI CUSTOM_NODES_DIR="$BASE_DIR/custom_nodes" SAGE_ATTENTION_DIR="$BASE_DIR/.sage_attention" SAGE_ATTENTION_BUILT_FLAG="$SAGE_ATTENTION_DIR/.built" PERMISSIONS_SET_FLAG="$BASE_DIR/.permissions_set" FIRST_RUN_FLAG="$BASE_DIR/.first_run_done" GPU_ENV_FILE=/tmp/gpu_probe.env # --- logging --- log() { echo "[$(date '+%H:%M:%S')] $1"; } # Make newly created files group-writable (helps in shared volumes) umask 0002 # --- build parallelism (single knob) --- decide_build_jobs() { if [ -n "${SAGE_MAX_JOBS:-}" ]; then echo "$SAGE_MAX_JOBS"; return; fi local mem_kb=$(awk '/MemTotal:/ {print $2}' /proc/meminfo 2>/dev/null || echo 0) local cpu=$(nproc) cap=24 jobs if [ "$mem_kb" -le $((8*1024*1024)) ]; then jobs=2 elif [ "$mem_kb" -le $((12*1024*1024)) ]; then jobs=3 elif [ "$mem_kb" -le $((24*1024*1024)) ]; then jobs=4 elif [ "$mem_kb" -le $((64*1024*1024)) ]; then jobs=$(( cpu<8 ? cpu : 8 )) else jobs=$cpu; [ "$jobs" -gt "$cap" ] && jobs=$cap fi echo "$jobs" } # --- unified single GPU probe (torch-based) --- probe_and_prepare_gpu() { python - <<'PY' 2>/dev/null import os, sys try: import torch except Exception: print("export GPU_COUNT=0"); print("export COMPAT_GE_75=0"); print("export TORCH_CUDA_ARCH_LIST=''") for k in ("DET_TURING","DET_AMP80","DET_AMP86","DET_AMP87","DET_ADA","DET_HOPPER","DET_BW12","DET_BW10"): print(f"export {k}=false") print("export SAGE_STRATEGY='fallback'"); print("export GPU_LIST=''"); sys.exit(0) if not torch.cuda.is_available(): print("export GPU_COUNT=0"); print("export COMPAT_GE_75=0"); print("export TORCH_CUDA_ARCH_LIST=''") for k in ("DET_TURING","DET_AMP80","DET_AMP86","DET_AMP87","DET_ADA","DET_HOPPER","DET_BW12","DET_BW10"): print(f"export {k}=false") print("export SAGE_STRATEGY='fallback'"); print("export GPU_LIST=''"); sys.exit(0) n = torch.cuda.device_count() flags = {"DET_TURING":False,"DET_AMP80":False,"DET_AMP86":False,"DET_AMP87":False,"DET_ADA":False,"DET_HOPPER":False,"DET_BW12":False,"DET_BW10":False} ccs, infos, compat = [], [], False for i in range(n): p = torch.cuda.get_device_properties(i) name = getattr(p, "name", f"cuda:{i}") mj, mn = p.major, p.minor vram_gb = int(round(p.total_memory/1024**3)) ccs.append(f"{mj}.{mn}") infos.append(f"{i}: {name.replace(' ', '_')} (CC {mj}.{mn}, {vram_gb}GB)") if (mj,mn)==(7,5): flags["DET_TURING"]=True elif (mj,mn)==(8,0): flags["DET_AMP80"]=True elif (mj,mn)==(8,6): flags["DET_AMP86"]=True elif (mj,mn)==(8,7): flags["DET_AMP87"]=True elif (mj,mn)==(8,9): flags["DET_ADA"]=True elif (mj,mn)==(9,0): flags["DET_HOPPER"]=True elif (mj,mn)==(10,0): flags["DET_BW10"]=True elif (mj,mn)==(12,0): flags["DET_BW12"]=True if (mj*10+mn) >= 75: compat = True ordered = sorted(set(ccs), key=lambda s: tuple(map(int, s.split(".")))) arch_list = ";".join(ordered) if ordered else "" if flags["DET_TURING"]: if any(flags[k] for k in ("DET_AMP80","DET_AMP86","DET_AMP87","DET_ADA","DET_HOPPER","DET_BW12","DET_BW10")): strategy = "mixed_with_turing" else: strategy = "turing_only" elif flags["DET_BW12"] or flags["DET_BW10"]: strategy = "blackwell_capable" elif flags["DET_HOPPER"]: strategy = "hopper_capable" elif flags["DET_ADA"] or flags["DET_AMP86"] or flags["DET_AMP87"] or flags["DET_AMP80"]: strategy = "ampere_ada_optimized" else: strategy = "fallback" print(f"export GPU_COUNT={n}"); print(f"export COMPAT_GE_75={1 if compat else 0}") print(f"export TORCH_CUDA_ARCH_LIST='{arch_list}'"); [print(f"export {k}={'true' if v else 'false'}") for k,v in flags.items()] print(f"export SAGE_STRATEGY='{strategy}'"); print(f\"export GPU_LIST={' ; '.join(infos)}\") print(f\"[GPU] Found {n} CUDA device(s); CC list: {arch_list or 'none'}; strategy={strategy}; compat>=7.5:{compat}\", file=sys.stderr) for s in infos: print(f\"[GPU] {s}\", file=sys.stderr) PY } # --- Triton management (conditional, system-wide) --- install_triton_version() { local cur="" cur="$(python - <<'PY' 2>/dev/null || true try: import importlib.metadata as md; print(md.version("triton")) except Exception: pass PY )" case "${SAGE_STRATEGY:-fallback}" in "mixed_with_turing"|"turing_only") if [ "$cur" != "3.2.0" ]; then log "Adjusting Triton -> 3.2.0 for Turing compatibility (current: ${cur:-none})" python -m pip install --no-cache-dir "triton==3.2.0" || true else log "Triton 3.2.0 already present; skipping" fi ;; *) log "Using baked Triton (${cur:-unknown}); no change" ;; esac } # --- Ensure python -s -m pip works (for Manager) --- ensure_pip_available() { if python -s -m pip --version >/dev/null 2>&1 && python -s -m pip list -q >/dev/null 2>&1; then return 0 fi log "Bootstrapping pip for Manager compatibility (isolated mode check failed)" python -m ensurepip --upgrade >/dev/null 2>&1 || true python -m pip install -U pip setuptools wheel >/dev/null 2>&1 || true if python -s -m pip --version >/dev/null 2>&1 && python -s -m pip list -q >/dev/null 2>&1; then log "pip is available for python -s -m pip" return 0 else log "WARNING: pip still not available for python -s -m pip; Manager may warn about pip/uv" return 1 fi } build_sage_attention_mixed() { mkdir -p "$SAGE_ATTENTION_DIR"; cd "$SAGE_ATTENTION_DIR" export TORCH_CUDA_ARCH_LIST="${SAGE_ARCH_LIST_OVERRIDE:-${TORCH_CUDA_ARCH_LIST:-}}" if [ -z "${TORCH_CUDA_ARCH_LIST:-}" ]; then TORCH_CUDA_ARCH_LIST="8.0;8.6;8.9;9.0;10.0;12.0" fi log "Set TORCH_CUDA_ARCH_LIST=$TORCH_CUDA_ARCH_LIST" case "${SAGE_STRATEGY:-fallback}" in "mixed_with_turing"|"turing_only") log "Cloning SageAttention v1.0 for Turing" if [ -d "SageAttention/.git" ]; then cd SageAttention; git fetch --depth 1 origin || return 1 git checkout v1.0 2>/dev/null || git checkout -b v1.0 origin/v1.0 || return 1 git reset --hard origin/v1.0 || return 1 else rm -rf SageAttention git clone --depth 1 https://github.com/thu-ml/SageAttention.git -b v1.0 || return 1 cd SageAttention fi ;; *) log "Cloning latest SageAttention" if [ -d "SageAttention/.git" ]; then cd SageAttention; git fetch --depth 1 origin || return 1 git reset --hard origin/main || return 1 else rm -rf SageAttention git clone --depth 1 https://github.com/thu-ml/SageAttention.git || return 1 cd SageAttention fi ;; esac [ "${SAGE_VERBOSE_BUILD:-0}" = "1" ] && export TORCH_CPP_BUILD_VERBOSE=1 local jobs; jobs="$(decide_build_jobs)" log "Using MAX_JOBS=${jobs} for SageAttention build" if MAX_JOBS="${jobs}" python -m pip install --no-build-isolation .; then echo "${SAGE_STRATEGY:-fallback}|${TORCH_CUDA_ARCH_LIST:-}" > "$SAGE_ATTENTION_BUILT_FLAG" log "SageAttention built successfully" cd "$BASE_DIR"; return 0 else log "ERROR: SageAttention build failed" cd "$BASE_DIR"; return 1 fi } needs_rebuild() { if [ ! -f "$SAGE_ATTENTION_BUILT_FLAG" ]; then return 0; fi local x; x=$(cat "$SAGE_ATTENTION_BUILT_FLAG" 2>/dev/null || echo "") local prev_strategy="${x%%|*}"; local prev_arch="${x#*|}" if [ "$prev_strategy" != "${SAGE_STRATEGY:-fallback}" ] || [ "$prev_arch" != "${TORCH_CUDA_ARCH_LIST:-}" ]; then return 0; fi return 1 } test_sage_attention() { python -c " import sys try: import sageattention; print('[TEST] SageAttention import: SUCCESS') v=getattr(sageattention,'__version__',None) if v: print(f'[TEST] Version: {v}'); sys.exit(0) except ImportError as e: print(f'[TEST] SageAttention import: FAILED - {e}'); sys.exit(1) except Exception as e: print(f'[TEST] SageAttention test: ERROR - {e}'); sys.exit(1) " 2>/dev/null } setup_sage_attention() { export SAGE_ATTENTION_BUILT=0 SAGE_ATTENTION_AVAILABLE=0 if [ "${GPU_COUNT:-0}" -eq 0 ]; then log "No GPUs detected, skipping SageAttention setup"; return 0; fi if [ "${COMPAT_GE_75:-0}" -ne 1 ]; then log "GPU compute capability < 7.5; skipping SageAttention"; return 0; fi if needs_rebuild || ! test_sage_attention; then log "Compiling SageAttention..." if install_triton_version && build_sage_attention_mixed && test_sage_attention; then export SAGE_ATTENTION_BUILT=1 SAGE_ATTENTION_AVAILABLE=1 log "SageAttention is built; set FORCE_SAGE_ATTENTION=1 to enable it at startup" else export SAGE_ATTENTION_BUILT=0 SAGE_ATTENTION_AVAILABLE=0 log "WARNING: SageAttention is not available after build attempt" fi else export SAGE_ATTENTION_BUILT=1 SAGE_ATTENTION_AVAILABLE=1 log "SageAttention already built and importable" fi } # --- single early GPU probe (persist across user switch) --- probe_and_prepare_gpu > "$GPU_ENV_FILE" # shellcheck disable=SC1090 source "$GPU_ENV_FILE" || true log "GPU probe: ${GPU_COUNT:-0} CUDA device(s); CC list: ${TORCH_CUDA_ARCH_LIST:-none}; strategy=${SAGE_STRATEGY:-fallback}" if [ -n "${GPU_LIST:-}" ]; then IFS=';' read -ra _GPUS <<< "$GPU_LIST" for g in "${_GPUS[@]}"; do g_trim="$(echo "$g" | sed 's/^ \+//; s/ \+$//')"; [ -n "$g_trim" ] && log " - $g_trim"; done fi if [ "${GPU_COUNT:-0}" -eq 0 ]; then log "No NVIDIA GPU detected; shutting down."; exit 0; fi if [ "${COMPAT_GE_75:-0}" -ne 1 ]; then log "GPU compute capability < 7.5; shutting down."; exit 0; fi # --- root to runtime user --- if [ "$(id -u)" = "0" ]; then if [ ! -f "$PERMISSIONS_SET_FLAG" ]; then log "Setting up user permissions..." if getent group "${PGID}" >/dev/null; then EXISTING_GRP="$(getent group "${PGID}" | cut -d: -f1)"; usermod -g "${EXISTING_GRP}" "${APP_USER}" || true; APP_GROUP="${EXISTING_GRP}" else groupmod -o -g "${PGID}" "${APP_GROUP}" || true; fi usermod -o -u "${PUID}" "${APP_USER}" || true mkdir -p "/home/${APP_USER}" for d in "$BASE_DIR" "/home/$APP_USER"; do [ -e "$d" ] && chown -R "${APP_USER}:${APP_GROUP}" "$d" || true; done # Make system site-packages writable by the runtime user (system-wide installs) readarray -t PY_PATHS < <(python - <<'PY' import sys, sysconfig, os, site, datetime def log(m): print(f"[bootstrap:python {datetime.datetime.now().strftime('%H:%M:%S')}] {m}", file=sys.stderr, flush=True) log("Determining writable Python install targets via sysconfig.get_paths(), site.getsitepackages(), and site.getusersitepackages()") seen=set() for k in ("purelib","platlib","scripts","include","platinclude","data"): v = sysconfig.get_paths().get(k) if v and v.startswith("/usr/local") and v not in seen: print(v); seen.add(v); log(f"emit {k} -> {v}") for v in (site.getusersitepackages(),): if v and v not in seen: print(v); seen.add(v); log(f"emit usersite -> {v}") for v in site.getsitepackages(): if v and v.startswith("/usr/local") and v not in seen: print(v); seen.add(v); log(f"emit sitepkg -> {v}") d = sysconfig.get_paths().get("data") if d: share=os.path.join(d,"share"); man1=os.path.join(share,"man","man1") for v in (share, man1): if v and v.startswith("/usr/local") and v not in seen: print(v); seen.add(v); log(f"emit wheel data -> {v}") PY ) for d in "${PY_PATHS[@]}"; do [ -n "$d" ] || continue; mkdir -p "$d" || true; chown -R "${APP_USER}:${APP_GROUP}" "$d" || true; chmod -R u+rwX,g+rwX "$d" || true; done if [ -d "/usr/local/lib/python3.12/site-packages" ]; then chown -R "${APP_USER}:${APP_GROUP}" /usr/local/lib/python3.12/site-packages || true; chmod -R u+rwX,g+rwX /usr/local/lib/python3.12/site-packages || true; fi touch "$PERMISSIONS_SET_FLAG"; chown "${APP_USER}:${APP_GROUP}" "$PERMISSIONS_SET_FLAG" log "User permissions configured" else log "User permissions already configured, skipping..." fi exec runuser -u "${APP_USER}" -- "$0" "$@" fi # From here on, running as $APP_USER export PATH="$HOME/.local/bin:$PATH" pyver="$(python -c 'import sys; print(f"{sys.version_info.major}.{sys.version_info.minor}")')" export PYTHONPATH="$HOME/.local/lib/python${pyver}/site-packages:${PYTHONPATH:-}" export PIP_PREFER_BINARY=1 # --- load single probe results after switch (no re-probe), then delete --- # shellcheck disable=SC1090 [ -f "$GPU_ENV_FILE" ] && source "$GPU_ENV_FILE" || true [ -f "$GPU_ENV_FILE" ] && rm -f "$GPU_ENV_FILE" || true log "GPU probe (restored): ${GPU_COUNT:-0} CUDA device(s); CC list: ${TORCH_CUDA_ARCH_LIST:-none}; strategy=${SAGE_STRATEGY:-fallback}" if [ -n "${GPU_LIST:-}" ]; then IFS=';' read -ra _GPUS <<< "$GPU_LIST"; for g in "${_GPUS[@]}"; do g_trim="$(echo "$g" | sed 's/^ \+//; s/ \+$//')"; [ -n "$g_trim" ] && log " - $g_trim"; done; fi # Ensure pip works (and in isolated mode for Manager) python -m pip --version >/dev/null 2>&1 || python -m ensurepip --upgrade >/dev/null 2>&1 || true python -m pip --version >/dev/null 2>&1 || log "WARNING: pip still not available after ensurepip" ensure_pip_available || true # --- SageAttention setup using probed data --- setup_sage_attention # --- clear probe-specific environment to avoid leaking into runtime --- for v in GPU_COUNT COMPAT_GE_75 TORCH_CUDA_ARCH_LIST SAGE_STRATEGY \ DET_TURING DET_AMP80 DET_AMP86 DET_AMP87 DET_ADA DET_HOPPER DET_BW12 DET_BW10 GPU_LIST; do unset "$v" || true done # --- ComfyUI-Manager sync --- if [ -d "$CUSTOM_NODES_DIR/ComfyUI-Manager/.git" ]; then log "Updating ComfyUI-Manager" git -C "$CUSTOM_NODES_DIR/ComfyUI-Manager" fetch --depth 1 origin || true git -C "$CUSTOM_NODES_DIR/ComfyUI-Manager" reset --hard origin/HEAD || true git -C "$CUSTOM_NODES_DIR/ComfyUI-Manager" clean -fdx || true elif [ ! -d "$CUSTOM_NODES_DIR/ComfyUI-Manager" ]; then log "Installing ComfyUI-Manager" git clone --depth 1 https://github.com/ltdrdata/ComfyUI-Manager.git "$CUSTOM_NODES_DIR/ComfyUI-Manager" || true fi # --- first-run install of custom_nodes --- if [ ! -f "$FIRST_RUN_FLAG" ] || [ "${COMFY_FORCE_INSTALL:-0}" = "1" ]; then if [ "${COMFY_AUTO_INSTALL:-1}" = "1" ]; then log "First run or forced; installing custom node dependencies..." shopt -s nullglob for d in "$CUSTOM_NODES_DIR"/*; do [ -d "$d" ] || continue base="$(basename "$d")" [ "$base" = "ComfyUI-Manager" ] && continue if [ -f "$d/requirements.txt" ]; then log "Installing requirements for node: $base" python -m pip install --no-cache-dir --upgrade --upgrade-strategy only-if-needed -r "$d/requirements.txt" || true fi if [ -f "$d/install.py" ]; then log "Running install.py for node: $base" (cd "$d" && python "install.py") || true fi done shopt -u nullglob python -m pip check || true else log "COMFY_AUTO_INSTALL=0; skipping dependency install" fi touch "$FIRST_RUN_FLAG" else log "Not first run; skipping custom_nodes dependency install" fi # --- launch ComfyUI --- COMFYUI_ARGS="" if [ "${FORCE_SAGE_ATTENTION:-0}" = "1" ] && test_sage_attention; then COMFYUI_ARGS="--use-sage-attention" log "Starting ComfyUI with SageAttention (FORCE_SAGE_ATTENTION=1)" else if [ "${SAGE_ATTENTION_AVAILABLE:-0}" = "1" ]; then log "SageAttention is built; set FORCE_SAGE_ATTENTION=1 to enable" else log "SageAttention not available; starting without it" fi fi cd "$BASE_DIR" if [ $# -eq 0 ]; then exec python main.py --listen 0.0.0.0 $COMFYUI_ARGS else if [ "$1" = "python" ] && [ "${2:-}" = "main.py" ]; then shift 2; exec python main.py $COMFYUI_ARGS "$@" else exec "$@" fi fi