Files
ray/python/ray/autoscaler/command_runner.py
T
Ian Rodney 7ad56826db [docker] Fix restart behavior with Docker (#12898)
Co-authored-by: Richard Liaw <rliaw@berkeley.edu>
Co-authored-by: ijrsvt <ilr@anyscale.com>
2020-12-28 18:56:28 -08:00

91 lines
3.5 KiB
Python

from typing import Any, List, Tuple, Dict, Optional
class CommandRunnerInterface:
"""Interface to run commands on a remote cluster node.
**Important**: This is an INTERNAL API that is only exposed for the purpose
of implementing custom node providers. It is not allowed to call into
CommandRunner methods from any Ray package outside the autoscaler, only to
define new implementations for use with the "external" node provider
option.
Command runner instances are returned by provider.get_command_runner()."""
def run(
self,
cmd: str = None,
timeout: int = 120,
exit_on_fail: bool = False,
port_forward: List[Tuple[int, int]] = None,
with_output: bool = False,
environment_variables: Dict[str, object] = None,
run_env: str = "auto",
ssh_options_override_ssh_key: str = "",
shutdown_after_run: bool = False,
) -> str:
"""Run the given command on the cluster node and optionally get output.
WARNING: the cloudgateway needs arguments of "run" function to be json
dumpable to send them over HTTP requests.
Args:
cmd (str): The command to run.
timeout (int): The command timeout in seconds.
exit_on_fail (bool): Whether to sys exit on failure.
port_forward (list): List of (local, remote) ports to forward, or
a single tuple.
with_output (bool): Whether to return output.
environment_variables (Dict[str, str | int | Dict[str, str]):
Environment variables that `cmd` should be run with.
run_env (str): Options: docker/host/auto. Used in
DockerCommandRunner to determine the run environment.
ssh_options_override_ssh_key (str): if provided, overwrites
SSHOptions class with SSHOptions(ssh_options_override_ssh_key).
shutdown_after_run (bool): if provided, shutdowns down the machine
after executing the command with `sudo shutdown -h now`.
"""
raise NotImplementedError
def run_rsync_up(self,
source: str,
target: str,
options: Optional[Dict[str, Any]] = None) -> None:
"""Rsync files up to the cluster node.
Args:
source (str): The (local) source directory or file.
target (str): The (remote) destination path.
"""
raise NotImplementedError
def run_rsync_down(self,
source: str,
target: str,
options: Optional[Dict[str, Any]] = None) -> None:
"""Rsync files down from the cluster node.
Args:
source (str): The (remote) source directory or file.
target (str): The (local) destination path.
"""
raise NotImplementedError
def remote_shell_command_str(self) -> str:
"""Return the command the user can use to open a shell."""
raise NotImplementedError
def run_init(self, *, as_head: bool, file_mounts: Dict[str, str],
sync_run_yet: bool) -> Optional[bool]:
"""Used to run extra initialization commands.
Args:
as_head (bool): Run as head image or worker.
file_mounts (dict): Files to copy to the head and worker nodes.
sync_run_yet (bool): Whether sync has been run yet.
Returns:
optional (bool): Whether initialization was run.
"""
pass