94 lines
2.2 KiB
Python
94 lines
2.2 KiB
Python
"""
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Builds a container image with the provided image name and tag.
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Usage:
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python build_image.py <image-name> <tag> [<image-path>]
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"""
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import subprocess
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import pathlib
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import logging
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import typing
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import sys
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import os
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import re
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logger = logging.getLogger("build-image")
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def get_tag(is_ci: bool) -> str:
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"""
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Gets an image tag composed of the short sha of the current commit
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and, depending on the is_ci flag, a "-dev" suffix.
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"""
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result = subprocess.run(
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"git rev-parse --short HEAD", shell=True, capture_output=True, check=True
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)
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sha = re.sub(r"\n", "", str(result.stdout.decode('utf-8')))
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if not is_ci:
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return f"{sha}-dev"
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return sha
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def build_image(image_name: str, tag: str, image_path: typing.Optional[pathlib.Path]):
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"""
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Calls Podman to build the container image defined at image_path, which defaults to
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the current directory.
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The built image is named and tagged using image_name and tag.
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"""
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if image_path is None:
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image_path = pathlib.Path("./Dockerfile")
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cwd = image_path.parent
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image_path = image_path.relative_to(cwd)
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subprocess.run(
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f"podman build -t {image_name}:{tag} -f {str(image_path)}",
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shell=True,
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check=True,
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cwd=cwd,
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)
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def run(args: list[str]):
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"""
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CLI entrypoint.
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"""
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if len(args) < 1:
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raise ValueError(
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"There should be at least one argument. "
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"Correct usage: python build_image.py <image-name:tag> [image-path]"
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)
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if len(args) > 2:
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raise ValueError(
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"Unrecognized arguments. "
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"Correct usage: python build_image.py <image-name:tag> [image-path]"
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)
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tagged_image_name = args[0]
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image_name_parts = tagged_image_name.split(":")
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name = image_name_parts[0]
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tag = (
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image_name_parts[1]
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if len(image_name_parts) == 2
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else get_tag(bool(os.environ.get("CI", False)))
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)
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image_path = args[1] if len(args) == 2 else None
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build_image(name, tag, pathlib.Path(image_path))
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if __name__ == "__main__":
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try:
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run(sys.argv[1:])
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except Exception as e: # pylint: disable=broad-exception-caught
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logger.error(e)
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