Source code for nemo_eval.utils.base

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#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
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import logging
import time

import requests

logger = logging.getLogger(__name__)




def check_health(health_url: str, max_retries: int = 600, retry_interval: int = 2) -> bool:
    """
    Check the health of the PyTriton (via FAstAPI) and Ray server.
    """
    for _ in range(max_retries):
        try:
            response = requests.get(health_url)
            if response.status_code == 200:
                return True
            logger.info(f"Server replied with status code: {response.status_code}")
            time.sleep(retry_interval)
        except requests.exceptions.RequestException:
            logger.info("Server is not ready")
            time.sleep(retry_interval)
    return False





def check_endpoint(
    endpoint_url: str, endpoint_type: str, model_name: str, max_retries: int = 600, retry_interval: int = 2
) -> bool:
    """
    Check if the endpoint is responsive and ready to accept requests.
    """
    payload = {"model": model_name, "max_tokens": 1}
    if endpoint_type == "completions":
        payload["prompt"] = "hello, my name is"
    elif endpoint_type == "chat":
        payload["messages"] = [{"role": "user", "content": "hello, what is your name?"}]
    else:
        raise ValueError(f"Invalid endpoint type: {endpoint_type}")

    for _ in range(max_retries):
        try:
            response = requests.post(endpoint_url, json=payload)
            if response.status_code == 200:
                return True
            logger.info(f"Server replied with status code: {response.status_code}")
            time.sleep(retry_interval)
        except requests.exceptions.RequestException:
            logger.info("Server is not ready")
            time.sleep(retry_interval)
    return False