import uuid
from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union
from ray.util.annotations import PublicAPI
if TYPE_CHECKING:
from ray.runtime_env import RuntimeEnv
[docs]@PublicAPI
class JobConfig:
"""A class used to store the configurations of a job.
Examples:
.. testcode::
:hide:
import ray
ray.shutdown()
.. testcode::
import ray
from ray.job_config import JobConfig
ray.init(job_config=JobConfig(default_actor_lifetime="non_detached"))
Args:
jvm_options: The jvm options for java workers of the job.
code_search_path: A list of directories or jar files that
specify the search path for user code. This will be used as
`CLASSPATH` in Java and `PYTHONPATH` in Python.
See :ref:`Ray cross-language programming <cross_language>` for more details.
runtime_env: A :ref:`runtime environment <runtime-environments>` dictionary.
metadata: An opaque metadata dictionary.
ray_namespace: A :ref:`namespace <namespaces-guide>`
is a logical grouping of jobs and named actors.
default_actor_lifetime: The default value of actor lifetime,
can be "detached" or "non_detached".
See :ref:`actor lifetimes <actor-lifetimes>` for more details.
"""
def __init__(
self,
jvm_options: Optional[List[str]] = None,
code_search_path: Optional[List[str]] = None,
runtime_env: Optional[dict] = None,
_client_job: bool = False,
metadata: Optional[dict] = None,
ray_namespace: Optional[str] = None,
default_actor_lifetime: str = "non_detached",
_py_driver_sys_path: Optional[List[str]] = None,
):
#: The jvm options for java workers of the job.
self.jvm_options = jvm_options or []
#: A list of directories or jar files that
#: specify the search path for user code.
self.code_search_path = code_search_path or []
# It's difficult to find the error that caused by the
# code_search_path is a string. So we assert here.
assert isinstance(self.code_search_path, (list, tuple)), (
f"The type of code search path is incorrect: " f"{type(code_search_path)}"
)
self._client_job = _client_job
#: An opaque metadata dictionary.
self.metadata = metadata or {}
#: A namespace is a logical grouping of jobs and named actors.
self.ray_namespace = ray_namespace
self.set_runtime_env(runtime_env)
self.set_default_actor_lifetime(default_actor_lifetime)
# A list of directories that specify the search path for python workers.
self._py_driver_sys_path = _py_driver_sys_path or []
def _serialize(self) -> str:
"""Serialize the struct into protobuf string"""
return self._get_proto_job_config().SerializeToString()
[docs] def set_runtime_env(
self,
runtime_env: Optional[Union[Dict[str, Any], "RuntimeEnv"]],
validate: bool = False,
) -> None:
"""Modify the runtime_env of the JobConfig.
We don't validate the runtime_env by default here because it may go
through some translation before actually being passed to C++ (e.g.,
working_dir translated from a local directory to a URI).
Args:
runtime_env: A :ref:`runtime environment <runtime-environments>` dictionary.
validate: Whether to validate the runtime env.
"""
self.runtime_env = runtime_env if runtime_env is not None else {}
if validate:
self.runtime_env = self._validate_runtime_env()
self._cached_pb = None
[docs] def set_ray_namespace(self, ray_namespace: str) -> None:
"""Set Ray :ref:`namespace <namespaces-guide>`.
Args:
ray_namespace: The namespace to set.
"""
if ray_namespace != self.ray_namespace:
self.ray_namespace = ray_namespace
self._cached_pb = None
[docs] def set_default_actor_lifetime(self, default_actor_lifetime: str) -> None:
"""Set the default actor lifetime, which can be "detached" or "non_detached".
See :ref:`actor lifetimes <actor-lifetimes>` for more details.
Args:
default_actor_lifetime: The default actor lifetime to set.
"""
import ray.core.generated.common_pb2 as common_pb2
if default_actor_lifetime == "detached":
self._default_actor_lifetime = common_pb2.JobConfig.ActorLifetime.DETACHED
elif default_actor_lifetime == "non_detached":
self._default_actor_lifetime = (
common_pb2.JobConfig.ActorLifetime.NON_DETACHED
)
else:
raise ValueError(
"Default actor lifetime must be one of `detached`, `non_detached`"
)
def _validate_runtime_env(self):
# TODO(edoakes): this is really unfortunate, but JobConfig is imported
# all over the place so this causes circular imports. We should remove
# this dependency and pass in a validated runtime_env instead.
from ray.runtime_env import RuntimeEnv
if isinstance(self.runtime_env, RuntimeEnv):
return self.runtime_env
return RuntimeEnv(**self.runtime_env)
def _get_proto_job_config(self):
"""Return the protobuf structure of JobConfig."""
# TODO(edoakes): this is really unfortunate, but JobConfig is imported
# all over the place so this causes circular imports. We should remove
# this dependency and pass in a validated runtime_env instead.
import ray.core.generated.common_pb2 as common_pb2
from ray._private.utils import get_runtime_env_info
if self._cached_pb is None:
pb = common_pb2.JobConfig()
if self.ray_namespace is None:
pb.ray_namespace = str(uuid.uuid4())
else:
pb.ray_namespace = self.ray_namespace
pb.jvm_options.extend(self.jvm_options)
pb.code_search_path.extend(self.code_search_path)
pb.py_driver_sys_path.extend(self._py_driver_sys_path)
for k, v in self.metadata.items():
pb.metadata[k] = v
parsed_env = self._validate_runtime_env()
pb.runtime_env_info.CopyFrom(
get_runtime_env_info(
parsed_env,
is_job_runtime_env=True,
serialize=False,
)
)
if self._default_actor_lifetime is not None:
pb.default_actor_lifetime = self._default_actor_lifetime
self._cached_pb = pb
return self._cached_pb
def _runtime_env_has_working_dir(self):
return self._validate_runtime_env().has_working_dir()
def _get_serialized_runtime_env(self) -> str:
"""Return the JSON-serialized parsed runtime env dict"""
return self._validate_runtime_env().serialize()
def _get_proto_runtime_env_config(self) -> str:
"""Return the JSON-serialized parsed runtime env info"""
return self._get_proto_job_config().runtime_env_info.runtime_env_config
[docs] @classmethod
def from_json(cls, job_config_json):
"""Generates a JobConfig object from json.
Examples:
.. testcode::
from ray.job_config import JobConfig
job_config = JobConfig.from_json(
{"runtime_env": {"working_dir": "uri://abc"}})
Args:
job_config_json: The job config json dictionary.
"""
return cls(
jvm_options=job_config_json.get("jvm_options", None),
code_search_path=job_config_json.get("code_search_path", None),
runtime_env=job_config_json.get("runtime_env", None),
metadata=job_config_json.get("metadata", None),
ray_namespace=job_config_json.get("ray_namespace", None),
_client_job=job_config_json.get("client_job", False),
_py_driver_sys_path=job_config_json.get("py_driver_sys_path", None),
)