83 lines
3.3 KiB
Python
Executable File
83 lines
3.3 KiB
Python
Executable File
#!/usr/bin/env python3
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""" Dockerfile.py - generates and build dockerfiles
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Usage:
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Dockerfile.py [--hub_tag=<tag>] [--arch=<arch> ...] [--debian=<version> ...] [-v] [-t] [--no-build] [--no-cache] [--fail-fast]
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Options:
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--no-build Skip building the docker images
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--no-cache Build without using any cache data
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--fail-fast Exit on first build error
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--hub_tag=<tag> What the Docker Hub Image should be tagged as [default: None]
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--arch=<arch> What Architecture(s) to build [default: amd64 armel armhf arm64]
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--debian=<version> What debian version(s) to build [default: stretch buster bullseye]
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-v Print docker's command output [default: False]
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-t Print docker's build time [default: False]
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Examples:
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"""
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from docopt import docopt
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import os
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import sys
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import subprocess
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from dotenv import dotenv_values
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def build_dockerfiles(args) -> bool:
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all_success = True
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if args['-v']:
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print(args)
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if args['--no-build']:
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print(" ::: Skipping Dockerfile building")
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return all_success
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for arch in args['--arch']:
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for debian_version in args['--debian']:
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all_success = build('pihole', arch, debian_version, args['--hub_tag'], args['-t'], args['--no-cache'], args['-v']) and all_success
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if not all_success and args['--fail-fast']:
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return False
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return all_success
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def run_and_stream_command_output(command, environment_vars, verbose) -> bool:
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print("Running", command)
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build_result = subprocess.Popen(command.split(), env=environment_vars, stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT, bufsize=1, universal_newlines=True)
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if verbose:
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while build_result.poll() is None:
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for line in build_result.stdout:
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print(line, end='')
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build_result.wait()
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if build_result.returncode != 0:
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print(" ::: Error running".format(command))
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print(build_result.stderr)
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return build_result.returncode == 0
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def build(docker_repo: str, arch: str, debian_version: str, hub_tag: str, show_time: bool, no_cache: bool, verbose: bool) -> bool:
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# remove the `pihole/pihole:` from hub_tag for use elsewhere
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tag_name = hub_tag.split(":",1)[1]
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create_tag = f'{docker_repo}:{tag_name}'
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print(f' ::: Building {create_tag}')
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time_arg = 'time' if show_time else ''
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cache_arg = '--no-cache' if no_cache else ''
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build_env = os.environ.copy()
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build_env['PIHOLE_VERSION'] = os.environ.get('GIT_TAG', None)
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build_env['DEBIAN_VERSION'] = debian_version
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build_command = f'{time_arg} docker-compose -f build.yml build {cache_arg} --pull {arch}'
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print(f' ::: Building {arch} into {create_tag}')
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success = run_and_stream_command_output(build_command, build_env, verbose)
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if verbose:
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print(build_command, '\n')
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if success and hub_tag:
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hub_tag_command = f'{time_arg} docker tag {create_tag} {hub_tag}'
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print(f' ::: Tagging {create_tag} into {hub_tag}')
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success = run_and_stream_command_output(hub_tag_command, build_env, verbose)
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return success
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if __name__ == '__main__':
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args = docopt(__doc__, version='Dockerfile 1.1')
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success = build_dockerfiles(args)
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exit_code = 0 if success else 1
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sys.exit(exit_code)
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