mirror of
https://github.com/wassname/ray.git
synced 2026-07-04 19:07:39 +08:00
Richard Liaw
112 lines
4.0 KiB
Python
112 lines
4.0 KiB
Python
from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import os
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try: # py3
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from shlex import quote
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except ImportError: # py2
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from pipes import quote
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def dockerize_if_needed(config):
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docker_image = config["docker"].get("image")
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cname = config["docker"].get("container_name")
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if not docker_image:
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if cname:
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print("Container name given but no Docker image - continuing...")
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return config
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else:
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assert cname, "Must provide container name!"
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docker_mounts = {dst: dst for dst in config["file_mounts"]}
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config["setup_commands"] = (
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docker_install_cmds() +
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docker_start_cmds(
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config["auth"]["ssh_user"], docker_image,
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docker_mounts, cname) +
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with_docker_exec(
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config["setup_commands"], container_name=cname))
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config["head_setup_commands"] = with_docker_exec(
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config["head_setup_commands"], container_name=cname)
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config["head_start_ray_commands"] = (
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docker_autoscaler_setup(cname) +
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with_docker_exec(
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config["head_start_ray_commands"], container_name=cname))
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config["worker_setup_commands"] = with_docker_exec(
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config["worker_setup_commands"], container_name=cname)
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config["worker_start_ray_commands"] = with_docker_exec(
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config["worker_start_ray_commands"], container_name=cname,
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env_vars=["RAY_HEAD_IP"])
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return config
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def with_docker_exec(cmds, container_name, env_vars=None):
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env_str = ""
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if env_vars:
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env_str = " ".join(
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["-e {env}=${env}".format(env=env) for env in env_vars])
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return ["docker exec {} {} /bin/sh -c {} ".format(
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env_str, container_name, quote(cmd)) for cmd in cmds]
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def docker_install_cmds():
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return [aptwait_cmd() + " && sudo apt-get update",
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aptwait_cmd() + " && sudo apt-get install -y docker.io"]
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def aptwait_cmd():
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return (
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"while sudo fuser"
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" /var/{lib/{dpkg,apt/lists},cache/apt/archives}/lock"
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" >/dev/null 2>&1; "
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"do echo 'Waiting for release of dpkg/apt locks'; sleep 5; done")
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def docker_start_cmds(user, image, mount, cname):
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cmds = []
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cmds.append("sudo kill -SIGUSR1 $(pidof dockerd) || true")
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cmds.append("sudo service docker start")
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cmds.append("sudo usermod -a -G docker {}".format(user))
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cmds.append("docker rm -f {} || true".format(cname))
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cmds.append("docker pull {}".format(image))
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# create flags
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# ports for the redis, object manager, and tune client
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port_flags = " ".join(["-p {port}:{port}".format(port=port)
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for port in ["6379", "8076", "4321"]])
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mount_flags = " ".join(["-v {src}:{dest}".format(src=k, dest=v)
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for k, v in mount.items()])
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# for click, used in ray cli
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env_vars = {"LC_ALL": "C.UTF-8", "LANG": "C.UTF-8"}
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env_flags = " ".join(
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["-e {name}={val}".format(name=k, val=v) for k, v in env_vars.items()])
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# docker run command
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docker_run = ["docker", "run", "--rm", "--name {}".format(cname),
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"-d", "-it", port_flags, mount_flags, env_flags,
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"--net=host", image, "bash"]
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cmds.append(" ".join(docker_run))
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docker_update = []
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docker_update.append("apt-get -y update")
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docker_update.append("apt-get -y upgrade")
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docker_update.append("apt-get install -y git wget cmake psmisc")
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cmds.extend(with_docker_exec(docker_update, container_name=cname))
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return cmds
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def docker_autoscaler_setup(cname):
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cmds = []
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for path in ["~/ray_bootstrap_config.yaml", "~/ray_bootstrap_key.pem"]:
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# needed because docker doesn't allow relative paths
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base_path = os.path.basename(path)
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cmds.append("docker cp {path} {cname}:{dpath}".format(
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path=path, dpath=base_path, cname=cname))
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cmds.extend(with_docker_exec(
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["cp {} {}".format("/" + base_path, path)],
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container_name=cname))
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return cmds
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