wehub-resource-sync
151 lines
4.7 KiB
Python
151 lines
4.7 KiB
Python
import logging
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import threading
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import time
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from typing import Optional, Union
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INTERNAL_TIMESTAMP_LOG_KEY = "_ray_timestamp_ns"
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def _print_loggers():
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"""Print a formatted list of loggers and their handlers for debugging."""
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loggers = {logging.root.name: logging.root}
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loggers.update(dict(sorted(logging.root.manager.loggerDict.items())))
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for name, logger in loggers.items():
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if isinstance(logger, logging.Logger):
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print(f" {name}: disabled={logger.disabled}, propagate={logger.propagate}")
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for handler in logger.handlers:
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print(f" {handler}")
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def clear_logger(logger: Union[str, logging.Logger]):
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"""Reset a logger, clearing its handlers and enabling propagation.
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Args:
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logger: Logger to be cleared
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"""
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if isinstance(logger, str):
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logger = logging.getLogger(logger)
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logger.propagate = True
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logger.handlers.clear()
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class PlainRayHandler(logging.StreamHandler):
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"""A plain log handler.
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This handler writes to whatever sys.stderr points to at emit-time,
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not at instantiation time. See docs for logging._StderrHandler.
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"""
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def __init__(self):
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super().__init__()
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self.plain_handler = logging._StderrHandler()
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self.plain_handler.level = self.level
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self.plain_handler.formatter = logging.Formatter(fmt="%(message)s")
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def emit(self, record: logging.LogRecord):
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"""Emit the log message.
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If this is a worker, bypass fancy logging and just emit the log record.
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If this is the driver, emit the message using the appropriate console handler.
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Args:
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record: Log record to be emitted
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"""
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import ray
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if (
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hasattr(ray, "_private")
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and hasattr(ray._private, "worker")
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and ray._private.worker.global_worker.mode
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== ray._private.worker.WORKER_MODE
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):
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self.plain_handler.emit(record)
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else:
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logging._StderrHandler.emit(self, record)
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logger_initialized = False
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logging_config_lock = threading.Lock()
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def _setup_log_record_factory():
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"""Setup log record factory to add _ray_timestamp_ns to LogRecord."""
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old_factory = logging.getLogRecordFactory()
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def record_factory(*args, **kwargs):
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record = old_factory(*args, **kwargs)
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# Python logging module starts to use `time.time_ns()` to generate `created`
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# from Python 3.13 to avoid the precision loss caused by the float type.
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# Here, we generate the `created` for the LogRecord to support older Python
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# versions.
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ct = time.time_ns()
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record.created = ct / 1e9
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record.__dict__[INTERNAL_TIMESTAMP_LOG_KEY] = ct
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return record
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logging.setLogRecordFactory(record_factory)
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def generate_logging_config():
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"""Generate the default Ray logging configuration."""
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with logging_config_lock:
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global logger_initialized
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if logger_initialized:
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return
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logger_initialized = True
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plain_formatter = logging.Formatter(
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"%(asctime)s\t%(levelname)s %(filename)s:%(lineno)s -- %(message)s"
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)
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default_handler = PlainRayHandler()
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default_handler.setFormatter(plain_formatter)
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ray_logger = logging.getLogger("ray")
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ray_logger.setLevel(logging.INFO)
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ray_logger.addHandler(default_handler)
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ray_logger.propagate = False
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# Special handling for ray.rllib: only warning-level messages passed through
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# See https://github.com/ray-project/ray/pull/31858 for related PR
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rllib_logger = logging.getLogger("ray.rllib")
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rllib_logger.setLevel(logging.WARN)
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# Set up the LogRecord factory.
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_setup_log_record_factory()
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def setup_process_exit_logger(
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process_exit_log_path: str,
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level: int = logging.INFO,
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formatter: Optional[logging.Formatter] = None,
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) -> logging.Logger:
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"""Configure and return the 'ray.process_exit' logger with a FileHandler."""
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logger = logging.getLogger("ray.process_exit")
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logger.setLevel(level)
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logger.propagate = False
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fh = logging.FileHandler(process_exit_log_path, encoding="utf-8")
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if formatter is None:
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formatter = logging.Formatter(
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"%(asctime)s\t%(levelname)s %(filename)s:%(lineno)s -- %(message)s"
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)
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fh.setFormatter(formatter)
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logger.addHandler(fh)
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return logger
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def format_returncode(rc: Optional[int]) -> str:
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"""Return a consistent string for process return code."""
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if rc is None:
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return "None"
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try:
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rc_int = int(rc)
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except Exception:
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return str(rc)
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if rc_int < 0:
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return f"{rc_int} (signal {-rc_int})"
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return f"{rc_int}"
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