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https://github.com/vale981/ray
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a3442df584
Currently we install OpenSSH on the fly in fake multinode docker testing. Instead we can speed testing up a fair bit by building a Docker image which includes OpenSSH first and then run tests with this image.
35 lines
1,005 B
Python
35 lines
1,005 B
Python
import argparse
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import os
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import shutil
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import subprocess
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import tempfile
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def build_multinode_image(source_image: str, target_image: str):
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"""Build docker image from source_image.
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This docker image will contain packages needed for the fake multinode
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docker cluster to work.
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"""
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tempdir = tempfile.mkdtemp()
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dockerfile = os.path.join(tempdir, "Dockerfile")
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with open(dockerfile, "wt") as f:
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f.write(f"FROM {source_image}\n")
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f.write("RUN sudo apt update\n")
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f.write("RUN sudo apt install -y openssh-server\n")
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f.write("RUN sudo service ssh start\n")
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subprocess.check_output(
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f"docker build -t {target_image} .", shell=True, cwd=tempdir)
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shutil.rmtree(tempdir)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument("source_image", type=str)
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parser.add_argument("target_image", type=str)
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args = parser.parse_args()
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build_multinode_image(args.source_image, args.target_image)
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