wehub-resource-sync
109 lines
4.2 KiB
Python
109 lines
4.2 KiB
Python
import json
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import logging
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import os
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import shlex
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import subprocess
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import sys
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from typing import Dict, List, Optional
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from ray._private.services import get_ray_jars_dir
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from ray._private.utils import update_envs
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from ray.core.generated.common_pb2 import Language
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from ray.util.annotations import DeveloperAPI
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logger = logging.getLogger(__name__)
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@DeveloperAPI
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class RuntimeEnvContext:
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"""A context used to describe the created runtime env."""
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def __init__(
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self,
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command_prefix: List[str] = None,
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env_vars: Dict[str, str] = None,
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py_executable: Optional[str] = None,
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override_worker_entrypoint: Optional[str] = None,
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java_jars: List[str] = None,
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):
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self.command_prefix = command_prefix or []
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self.env_vars = env_vars or {}
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self.py_executable = py_executable or sys.executable
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self.override_worker_entrypoint: Optional[str] = override_worker_entrypoint
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self.java_jars = java_jars or []
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def serialize(self) -> str:
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return json.dumps(self.__dict__)
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@staticmethod
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def deserialize(json_string):
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return RuntimeEnvContext(**json.loads(json_string))
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def exec_worker(self, passthrough_args: List[str], language: Language):
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update_envs(self.env_vars)
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if language == Language.PYTHON and sys.platform == "win32":
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executable = [self.py_executable]
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elif language == Language.PYTHON:
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executable = ["exec", self.py_executable]
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elif language == Language.JAVA:
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executable = ["java"]
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ray_jars = os.path.join(get_ray_jars_dir(), "*")
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local_java_jars = []
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for java_jar in self.java_jars:
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local_java_jars.append(f"{java_jar}/*")
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local_java_jars.append(java_jar)
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class_path_args = ["-cp", ray_jars + ":" + str(":".join(local_java_jars))]
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passthrough_args = class_path_args + passthrough_args
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elif sys.platform == "win32":
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executable = []
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else:
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executable = ["exec"]
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# By default, raylet uses the path to default_worker.py on host.
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# However, the path to default_worker.py inside the container
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# can be different. We need the user to specify the path to
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# default_worker.py inside the container.
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if self.override_worker_entrypoint:
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logger.debug(
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f"Changing the worker entrypoint from {passthrough_args[0]} to "
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f"{self.override_worker_entrypoint}."
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)
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passthrough_args[0] = self.override_worker_entrypoint
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if sys.platform == "win32":
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def quote(s):
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s = s.replace("&", "%26")
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return s
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passthrough_args = [quote(s) for s in passthrough_args]
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cmd = [*self.command_prefix, *executable, *passthrough_args]
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logger.debug(f"Exec'ing worker with command: {cmd}")
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subprocess.Popen(cmd, shell=True).wait()
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else:
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# We use shlex to do the necessary shell escape
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# of special characters in passthrough_args.
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passthrough_args = [shlex.quote(s) for s in passthrough_args]
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cmd = [*self.command_prefix, *executable, *passthrough_args]
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# TODO(SongGuyang): We add this env to command for macOS because it doesn't
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# work for the C++ process of `os.execvp`. We should find a better way to
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# fix it.
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MACOS_LIBRARY_PATH_ENV_NAME = "DYLD_LIBRARY_PATH"
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if MACOS_LIBRARY_PATH_ENV_NAME in os.environ:
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cmd.insert(
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0,
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f"{MACOS_LIBRARY_PATH_ENV_NAME}="
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f"{os.environ[MACOS_LIBRARY_PATH_ENV_NAME]}",
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)
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logger.debug(f"Exec'ing worker with command: {cmd}")
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# PyCharm will monkey patch the os.execvp at
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# .pycharm_helpers/pydev/_pydev_bundle/pydev_monkey.py
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# The monkey patched os.execvp function has a different
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# signature. So, we use os.execvp("executable", args=[])
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# instead of os.execvp(file="executable", args=[])
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os.execvp("bash", args=["bash", "-c", " ".join(cmd)])
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