71 lines
1.9 KiB
Python
Executable File
71 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python3
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import os
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import subprocess
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script_dir = os.path.dirname(os.path.realpath(__file__))
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os.chdir(script_dir)
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releases = [
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# ('12.04', 'precies'),
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# ('14.04', 'trusty'),
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# ('16.04', 'xenial'),
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# ('18.04', 'bionic'),
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# ('20.04', 'focal'),
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# ('22.04', 'jammy'),
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('24.04', 'noble'),
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]
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template = '''
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FROM ubuntu:{version}
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ENV DEBIAN_FRONTEND=noninteractive
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RUN apt update
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RUN apt install -y debootstrap qemu-utils
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RUN apt install -y linux-image-generic
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ENV TMPDIR=/tmp/ubuntu
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ENV IMAGEDIR=/tmp/image
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ENV IMAGE=/shared/out_of_tree_ubuntu__{img_version}.img
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ENV REPOSITORY=http://archive.ubuntu.com/ubuntu
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ENV RELEASE={codename}
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RUN mkdir $IMAGEDIR
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# Must be executed with --privileged because of /dev/loop
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CMD debootstrap --include=openssh-server,policykit-1 \
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$RELEASE $TMPDIR $REPOSITORY && \
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/shared/setup.sh $TMPDIR && \
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qemu-img create $IMAGE 2G && \
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mkfs.ext4 -F $IMAGE && \
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mount -o loop $IMAGE $IMAGEDIR && \
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cp -a $TMPDIR/* $IMAGEDIR/ && \
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umount $IMAGEDIR
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'''
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def run_cmd(cmd):
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print(f"+ {cmd}")
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subprocess.run(cmd, shell=True, check=True, executable='/bin/bash')
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for version, codename in releases:
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numeric_version = version.replace('.', '')
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img_version=version.replace(".","__")
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dockerfile_content = template.format(
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version=version,
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img_version=img_version,
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codename=codename,
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numeric_version=numeric_version)
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os.makedirs(str(version), exist_ok=True)
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with open(f"{version}/Dockerfile", "w") as dockerfile:
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dockerfile.write(dockerfile_content)
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run_cmd(f"podman build -t gen-ubuntu{numeric_version}-image {version}")
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run_cmd(f"rm -rf {version}")
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run_cmd(f"podman run --privileged -v {os.getcwd()}:/shared -t gen-ubuntu{numeric_version}-image")
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run_cmd(f"tar -Szcf out_of_tree_ubuntu_{img_version}.img.tar.gz out_of_tree_ubuntu_{img_version}.img")
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