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This commit is contained in:
+130
-359
@@ -3,428 +3,199 @@ import sys
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import os
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import json
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import shutil
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import tempfile
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import subprocess
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from pathlib import Path
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# Add script dir to path
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# Configuration
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SCRIPT_DIR = Path("/opt/script")
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OPT_DIR = Path("/opt")
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# Config file path (check container path first, then local path)
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CONFIG_PATH = Path("/config/config.json")
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if not CONFIG_PATH.exists():
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CONFIG_PATH = Path("/config.json")
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# Local model directory (container path)
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LOCAL_MODEL_DIR = os.getenv("LOCAL_MODEL_DIR", "/opt/model")
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HOST = os.getenv("HOST", "0.0.0.0")
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PORT = os.getenv("PORT", "8000")
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# Load configuration from config.json
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print(f"DEBUG: Looking for config at {CONFIG_PATH}")
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print(f"DEBUG: Config file exists: {CONFIG_PATH.exists()}")
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if not CONFIG_PATH.exists():
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print(f"ERROR: Config file not found at {CONFIG_PATH}")
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print(f"ERROR: Please mount config.json to /config/config.json")
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def log(msg):
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"""Print log message with timestamp"""
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print(f"[START-VLLM] {msg}", flush=True)
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def load_config():
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"""Load configuration from config.json"""
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log(f"Loading config from {CONFIG_PATH}")
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if not CONFIG_PATH.exists():
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log(f"ERROR: Config file not found at {CONFIG_PATH}")
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sys.exit(1)
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try:
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try:
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with open(CONFIG_PATH, "r") as f:
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config_data = json.load(f)
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MODEL_TABLE = config_data["models"]
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DEFAULT_MODEL = config_data["default_model"]
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MODELS_TO_RUN = list(MODEL_TABLE.keys())
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print(f"DEBUG: Loaded {len(MODELS_TO_RUN)} models from config")
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print(f"DEBUG: Default model: {DEFAULT_MODEL}")
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except Exception as e:
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print(f"Error: Could not load config.json: {e}")
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model_table = config_data["models"]
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default_model = config_data["default_model"]
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models_to_run = list(model_table.keys())
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log(f"Loaded {len(models_to_run)} models from config")
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log(f"Default model: {default_model}")
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return model_table, default_model, models_to_run
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except Exception as e:
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log(f"ERROR: Failed to load config: {e}")
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import traceback
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traceback.print_exc()
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sys.exit(1)
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# Results file path
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if (OPT_DIR / "max_context_results.json").exists():
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RESULTS_FILE = OPT_DIR / "max_context_results.json"
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else:
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RESULTS_FILE = SCRIPT_DIR / "max_context_results.json"
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HOST = os.getenv("HOST", "0.0.0.0")
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PORT = os.getenv("PORT", "8000")
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def check_dependencies():
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if not shutil.which("dialog"):
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print("Error: 'dialog' is required. Please install it (apt-get install dialog).")
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sys.exit(1)
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def detect_gpus():
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"""Detects AMD GPUs via rocm-smi or /dev/dri."""
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"""Detect AMD GPUs"""
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try:
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# Try rocm-smi first
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res = subprocess.run(["rocm-smi", "--showid", "--csv"], stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
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if res.returncode == 0:
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count = res.stdout.count("GPU")
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if count > 0: return count
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except: pass
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result = subprocess.run(
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["rocm-smi", "--showid", "--csv"],
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capture_output=True,
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text=True,
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timeout=10
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)
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if result.returncode == 0:
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count = result.stdout.count("GPU")
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if count > 0:
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return count
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except Exception as e:
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log(f"Warning: rocm-smi failed: {e}")
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# Fallback to /dev/dri/render*
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# Fallback to /dev/dri
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try:
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return len(list(Path("/dev/dri").glob("renderD*")))
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except:
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render_devices = list(Path("/dev/dri").glob("renderD*"))
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if render_devices:
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return len(render_devices)
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except Exception:
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pass
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log("Warning: Could not detect GPUs, assuming 1 GPU")
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return 1
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def get_verified_config(model_id, tp_size, max_seqs):
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"""
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Reads max_context_results.json to find the best verified configuration.
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Returns dict: {'ctx': int, 'util': float}
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"""
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default_config = {
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"ctx": int(MODEL_TABLE.get(model_id, {}).get("ctx", 8192)),
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"util": 0.90 # Safe default
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}
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def find_model_path(model_id):
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"""Find local model path"""
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log(f"Looking for model: {model_id}")
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log(f"LOCAL_MODEL_DIR: {LOCAL_MODEL_DIR}")
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if not RESULTS_FILE.exists():
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return default_config
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if not os.path.exists(LOCAL_MODEL_DIR):
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log(f"ERROR: LOCAL_MODEL_DIR does not exist: {LOCAL_MODEL_DIR}")
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return None
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try:
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with open(RESULTS_FILE, "r") as f:
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data = json.load(f)
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# Try exact match
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candidate = os.path.join(LOCAL_MODEL_DIR, model_id)
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if os.path.isdir(candidate):
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log(f"Found model at: {candidate}")
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return candidate
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# Filter for Model + TP + Sequences
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matches = [r for r in data
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if r["model"] == model_id
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and r["tp"] == tp_size
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and r["max_seqs"] == max_seqs
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and r["status"] == "success"]
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# Try without prefix
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repo_name = model_id.split('/')[-1] if '/' in model_id else model_id
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candidate = os.path.join(LOCAL_MODEL_DIR, repo_name)
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if os.path.isdir(candidate):
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log(f"Found model at: {candidate}")
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return candidate
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if not matches:
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# Fallback 1: Try finding match with SAME TP but ANY Sequences (e.g. 1) to get base context?
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# Actually, safer to fallback to default or try finding nearest sequence?
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# Let's try finding exact match first. If fail, return default.
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return default_config
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# Sort by Util desc, then Context desc
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# We prefer higher utilization if available (performance), as long as it is verified success
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matches.sort(key=lambda x: (float(x["util"]), x["max_context_1_user"]), reverse=True)
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best = matches[0]
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return {
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"ctx": best["max_context_1_user"],
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"util": float(best["util"])
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}
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except Exception as e:
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return default_config
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def run_dialog(args):
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"""Runs dialog and returns stderr (selection)."""
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with tempfile.NamedTemporaryFile(mode="w+") as tf:
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cmd = ["dialog"] + args
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try:
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subprocess.run(cmd, stderr=tf, check=True)
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tf.seek(0)
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return tf.read().strip()
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except subprocess.CalledProcessError:
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return None # User cancelled
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def nuke_vllm_cache():
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"""Removes vLLM cache directory to fix potential graph/incompatibility issues."""
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cache = Path.home() / ".cache" / "vllm"
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if cache.exists():
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try:
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print(f"Clearing vLLM cache at {cache}...", end="", flush=True)
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subprocess.run(["rm", "-rf", str(cache)], check=True)
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cache.mkdir(parents=True, exist_ok=True)
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print(" Done.")
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time.sleep(1)
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except Exception as e:
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print(f" Failed: {e}")
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def configure_and_launch(model_idx, gpu_count, use_default=False):
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print(f"DEBUG: configure_and_launch called with model_idx={model_idx}, gpu_count={gpu_count}, use_default={use_default}")
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model_id = MODELS_TO_RUN[model_idx]
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config = MODEL_TABLE[model_id]
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print(f"DEBUG: model_id={model_id}")
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print(f"DEBUG: LOCAL_MODEL_DIR={LOCAL_MODEL_DIR}")
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# Determine whether we have a local copy to serve. Try multiple fallbacks:
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# 1) LOCAL_MODEL_DIR/<owner>/<repo>
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# 2) LOCAL_MODEL_DIR/<repo>
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# 3) case-insensitive match of <repo> in LOCAL_MODEL_DIR
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model_path = model_id
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print(f"DEBUG: Starting model path lookup...")
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if LOCAL_MODEL_DIR:
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print(f"DEBUG: LOCAL_MODEL_DIR is set to: {LOCAL_MODEL_DIR}")
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print(f"DEBUG: LOCAL_MODEL_DIR exists: {os.path.exists(LOCAL_MODEL_DIR)}")
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if os.path.exists(LOCAL_MODEL_DIR):
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print(f"DEBUG: LOCAL_MODEL_DIR contents: {os.listdir(LOCAL_MODEL_DIR)}")
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# Full repo path (owner/repo)
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candidate_full = os.path.join(LOCAL_MODEL_DIR, model_id)
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print(f"DEBUG: Checking candidate_full: {candidate_full}")
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print(f"DEBUG: candidate_full exists: {os.path.isdir(candidate_full)}")
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if os.path.isdir(candidate_full):
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model_path = candidate_full
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print(f"DEBUG: Found model at: {model_path}")
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else:
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# Repo-name only (last segment)
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repo_name = model_id.split('/')[-1]
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candidate_repo = os.path.join(LOCAL_MODEL_DIR, repo_name)
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print(f"DEBUG: Checking candidate_repo: {candidate_repo}")
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print(f"DEBUG: candidate_repo exists: {os.path.isdir(candidate_repo)}")
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if os.path.isdir(candidate_repo):
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model_path = candidate_repo
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print(f"DEBUG: Found model at: {model_path}")
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else:
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# Fallback: try to find a directory in LOCAL_MODEL_DIR that matches repo_name case-insensitively
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print(f"DEBUG: Trying case-insensitive match for: {repo_name}")
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# Try case-insensitive match
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try:
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for entry in os.listdir(LOCAL_MODEL_DIR):
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print(f"DEBUG: Checking entry: {entry}")
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if entry.lower() == repo_name.lower():
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entry_path = os.path.join(LOCAL_MODEL_DIR, entry)
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if os.path.isdir(entry_path):
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model_path = entry_path
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print(f"DEBUG: Found model at: {model_path}")
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break
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log(f"Found model at: {entry_path}")
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return entry_path
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except Exception as e:
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print(f"DEBUG: Exception during case-insensitive lookup: {e}")
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log(f"ERROR: Failed to list directory: {e}")
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print(f"DEBUG: Final model_path: {model_path}")
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print(f"DEBUG: model_path == model_id: {model_path == model_id}")
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log(f"ERROR: Model not found: {model_id}")
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log(f"Available models: {os.listdir(LOCAL_MODEL_DIR)}")
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return None
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# if LOCAL_MODEL_DIR is specified, refuse to fall back to remote
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if LOCAL_MODEL_DIR and model_path == model_id:
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print(f"Error: model '{model_id}' not found under LOCAL_MODEL_DIR={LOCAL_MODEL_DIR}")
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print("Off‑line mode active; network downloads are disabled.")
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sys.exit(1)
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def launch_model(model_id, config, model_path, gpu_count):
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"""Launch vLLM server"""
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log(f"Launching model: {model_id}")
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# Static Config
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valid_tps = config.get("valid_tp", [1])
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max_tp = max(valid_tps) if valid_tps else 1
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# Get configuration
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valid_tp = config.get("valid_tp", [1])
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max_tp = max(valid_tp) if valid_tp else 1
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tp_size = min(gpu_count, max_tp)
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# Defaults
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current_tp = min(gpu_count, max_tp)
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current_seqs = 1 # Default to 1 concurrent user/request for stability
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ctx = int(config.get("ctx", 8192))
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max_seqs = int(config.get("max_num_seqs", 64))
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gpu_util = float(config.get("gpu_util", 0.98))
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# Initial Lookup
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verified = get_verified_config(model_id, current_tp, current_seqs)
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current_ctx = verified["ctx"]
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current_util = verified["util"]
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clear_cache = False
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use_eager = config.get("enforce_eager", False) # Default to model config, usually False
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use_rocm_attn = False # Default to Triton
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name = model_id.split("/")[-1]
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# If use_default is True, skip interactive menu and launch directly
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if use_default:
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print(f"DEBUG: use_default=True, skipping interactive menu")
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print(f"DEBUG: Using default config: TP={current_tp}, Seqs={current_seqs}, Ctx={current_ctx}")
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# Jump directly to launch
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launch_server = True
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else:
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launch_server = False
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while True:
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cache_status = "YES" if clear_cache else "NO"
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eager_status = "YES" if use_eager else "NO"
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attn_backend = "ROCm" if use_rocm_attn else "Triton"
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menu_args = [
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"--clear", "--backtitle", f"AMD R9700 vLLM Launcher (GPUs: {gpu_count})",
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"--title", f"Configuration: {name}",
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"--menu", "Customize Launch Parameters:", "22", "65", "9",
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"1", f"Tensor Parallelism: {current_tp}",
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"2", f"Concurrent Requests: {current_seqs}",
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"3", f"Context Length: {current_ctx} (Verified)",
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"4", f"GPU Utilization: {current_util} (Verified)",
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"5", f"Attention Backend: {attn_backend}",
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"6", f"Erase vLLM Cache: {cache_status}",
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"7", f"Force Eager Mode: {eager_status}",
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"8", "LAUNCH SERVER"
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]
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choice = run_dialog(menu_args)
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if not choice: return False # Back/Cancel
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if choice == "1":
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# TP Selection
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new_tp = run_dialog([
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"--title", "Tensor Parallelism",
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"--rangebox", f"Set TP Size (1-{max_tp})", "10", "40", "1", str(max_tp), str(current_tp)
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])
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if new_tp:
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new_tp_int = int(new_tp)
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if new_tp_int != current_tp:
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current_tp = new_tp_int
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# RE-CALCULATE Config
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verified = get_verified_config(model_id, current_tp, current_seqs)
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current_ctx = verified["ctx"]
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current_util = verified["util"]
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elif choice == "2":
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# Max Seqs Selection
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new_seqs = run_dialog([
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"--title", "Concurrent Requests",
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"--menu", "Select Max Concurrent Requests:", "12", "40", "4",
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"1", "1 (Latency Focus)",
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"4", "4 (Balanced)",
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"8", "8 (Throughput)",
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"16", "16 (Max Load)"
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])
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if new_seqs:
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current_seqs = int(new_seqs)
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# RE-CALCULATE Config based on new concurrency
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verified = get_verified_config(model_id, current_tp, current_seqs)
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current_ctx = verified["ctx"]
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current_util = verified["util"]
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elif choice == "3":
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# Configured Length Override
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new_ctx = run_dialog([
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"--title", "Context Length",
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"--inputbox", f"Override verified limit ({current_ctx}):", "10", "40", str(current_ctx)
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])
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if new_ctx: current_ctx = int(new_ctx)
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elif choice == "4":
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# Util Override
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pass
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elif choice == "5":
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# Toggle Attention Backend
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use_rocm_attn = not use_rocm_attn
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elif choice == "6":
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# Toggle Cache
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if not clear_cache:
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# Enabling it -> Show Warning
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warn_msg = (
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"WARNING: Erasing the vLLM cache will remove the compiled compute graphs.\n\n"
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"This is useful if you are experiencing crashes, 'invalid graph' errors,\n"
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"or have switched vLLM versions recently.\n\n"
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"However, the next startup will take longer as graphs are re-compiled.\n\n"
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"Are you sure you want to enable this?"
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)
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confirm = run_dialog([
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"--title", "Erase Cache Warning",
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"--yesno", warn_msg, "12", "60"
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])
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# If confirm is not None (exit 0), it is YES.
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if confirm is not None:
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clear_cache = True
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else:
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# Disabling it -> No warning needed
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clear_cache = False
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elif choice == "7":
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# Toggle Eager Mode
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use_eager = not use_eager
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elif choice == "8":
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# Launch
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launch_server = True
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break
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if launch_server:
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break
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# Build Command
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subprocess.run(["clear"])
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if clear_cache:
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nuke_vllm_cache()
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log(f"Config: TP={tp_size}, Ctx={ctx}, Seqs={max_seqs}, Util={gpu_util}")
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# Build command
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cmd = [
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"vllm", "serve", model_path,
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"--host", HOST,
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"--port", PORT,
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"--tensor-parallel-size", str(current_tp),
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"--max-num-seqs", str(current_seqs),
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"--max-model-len", str(current_ctx),
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"--gpu-memory-utilization", str(current_util),
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"--tensor-parallel-size", str(tp_size),
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"--max-num-seqs", str(max_seqs),
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"--max-model-len", str(ctx),
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"--gpu-memory-utilization", str(gpu_util),
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"--dtype", "auto"
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]
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if config.get("trust_remote"): cmd.append("--trust-remote-code")
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if use_eager: cmd.append("--enforce-eager")
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if config.get("trust_remote"):
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cmd.append("--trust-remote-code")
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# Env Vars
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if config.get("enforce_eager"):
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cmd.append("--enforce-eager")
|
||||
|
||||
log(f"Command: {' '.join(cmd)}")
|
||||
|
||||
# Set environment
|
||||
env = os.environ.copy()
|
||||
env.update(config.get("env", {}))
|
||||
|
||||
if use_rocm_attn:
|
||||
env["VLLM_V1_USE_PREFILL_DECODE_ATTENTION"] = "1"
|
||||
env["VLLM_USE_TRITON_FLASH_ATTN"] = "0"
|
||||
# Optional: Explicitly mention these in print
|
||||
|
||||
|
||||
print("\n" + "="*60)
|
||||
print(f" Launching: {name}")
|
||||
if model_path != model_id:
|
||||
print(f" (using local model at {model_path})")
|
||||
print(f" Config: TP={current_tp} | Seqs={current_seqs} | Ctx={current_ctx} | Util={current_util}")
|
||||
print(f" Backend: {'ROCm' if use_rocm_attn else 'Triton'}")
|
||||
if clear_cache:
|
||||
print(f" Action: Clearing vLLM Cache (~/.cache/vllm)")
|
||||
print(f" Command: {' '.join(cmd)}")
|
||||
print("="*60 + "\n")
|
||||
|
||||
# Check if model path exists
|
||||
if not os.path.exists(model_path):
|
||||
print(f"ERROR: Model path does not exist: {model_path}")
|
||||
print(f"Please ensure the model is mounted at {model_path}")
|
||||
sys.exit(1)
|
||||
|
||||
# Run vllm serve
|
||||
# Launch vLLM
|
||||
log("Starting vLLM server...")
|
||||
try:
|
||||
result = subprocess.run(cmd, env=env, check=False)
|
||||
result = subprocess.run(cmd, env=env)
|
||||
if result.returncode != 0:
|
||||
print(f"\nERROR: vllm serve exited with code {result.returncode}")
|
||||
log(f"ERROR: vLLM exited with code {result.returncode}")
|
||||
sys.exit(result.returncode)
|
||||
except Exception as e:
|
||||
print(f"\nERROR: Failed to start vllm serve: {e}")
|
||||
log(f"ERROR: Failed to start vLLM: {e}")
|
||||
import traceback
|
||||
traceback.print_exc()
|
||||
sys.exit(1)
|
||||
|
||||
def main():
|
||||
check_dependencies()
|
||||
gpu_count = detect_gpus()
|
||||
"""Main entry point"""
|
||||
log("Starting vLLM launcher...")
|
||||
|
||||
# Check if we should use default model (for docker startup)
|
||||
# Load configuration
|
||||
model_table, default_model, models_to_run = load_config()
|
||||
|
||||
# Detect GPUs
|
||||
gpu_count = detect_gpus()
|
||||
log(f"Detected {gpu_count} GPU(s)")
|
||||
|
||||
# Check if we should use default model
|
||||
use_default = os.getenv("USE_DEFAULT_MODEL", "false").lower() == "true"
|
||||
|
||||
if use_default:
|
||||
# Find the index of default model
|
||||
try:
|
||||
default_idx = MODELS_TO_RUN.index(DEFAULT_MODEL)
|
||||
print(f"Using default model: {DEFAULT_MODEL}")
|
||||
configure_and_launch(default_idx, gpu_count, use_default=True)
|
||||
except ValueError:
|
||||
print(f"Error: Default model {DEFAULT_MODEL} not found in configuration")
|
||||
sys.exit(1)
|
||||
log("Using default model mode")
|
||||
model_id = default_model
|
||||
else:
|
||||
while True:
|
||||
# Build Model Menu
|
||||
menu_items = []
|
||||
for i, m_id in enumerate(MODELS_TO_RUN):
|
||||
name = m_id.split("/")[-1]
|
||||
# Mark default model
|
||||
if m_id == DEFAULT_MODEL:
|
||||
name += " (Default)"
|
||||
menu_items.extend([str(i), name])
|
||||
# Interactive mode - for now just use default
|
||||
log("Interactive mode not supported in container, using default model")
|
||||
model_id = default_model
|
||||
|
||||
choice = run_dialog([
|
||||
"--clear", "--backtitle", f"AMD R9700 vLLM Launcher (GPUs: {gpu_count})",
|
||||
"--title", "Select Model",
|
||||
"--menu", "Choose a model to serve:", "20", "60", "10"
|
||||
] + menu_items)
|
||||
# Check if model is in config
|
||||
if model_id not in model_table:
|
||||
log(f"ERROR: Model {model_id} not found in config")
|
||||
sys.exit(1)
|
||||
|
||||
if not choice:
|
||||
subprocess.run(["clear"])
|
||||
print("Selection cancelled.")
|
||||
sys.exit(0)
|
||||
config = model_table[model_id]
|
||||
|
||||
configure_and_launch(int(choice), gpu_count)
|
||||
# Find model path
|
||||
model_path = find_model_path(model_id)
|
||||
if not model_path:
|
||||
log("ERROR: Could not find local model. Offline mode is active.")
|
||||
sys.exit(1)
|
||||
|
||||
# Launch model
|
||||
launch_model(model_id, config, model_path, gpu_count)
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
|
||||
Reference in New Issue
Block a user