mirror of
https://github.com/vyos/vyos-build.git
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ea48b7bd74
Since we only support jessie as build host, and jessie knowingly does have python3 (although not by default), we don't really need to worry about being both 2 and 3 compatible.
106 lines
4.0 KiB
Python
Executable File
106 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright (C) 2015 VyOS maintainers and contributors
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 or later as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# File: build-config
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# Purpose:
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# This script serves the same purpose as ./configure in traditional
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# autoconf setups.
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# It takes build configuration options from command line, checks them,
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# builds a config dictionary, augments it with some default and/or
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# computed values and saves it to build/build-config.json
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# for other build scripts to read.
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import argparse
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import re
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import sys
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import os
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import getpass
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import platform
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import json
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import distutils.dir_util
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import defaults
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# argparse converts hyphens to underscores,
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# so for lookups in the original options hash we have to
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# convert them back
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def field_to_option(s):
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return re.sub(r'_', '-', s)
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def get_default_build_by():
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return "{user}@{host}".format(user= getpass.getuser(), host=platform.node())
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# Options dict format:
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# '$option_name_without_leading_dashes': { ('$help_string', $default_value_generator_thunk, $value_checker_thunk) }
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options = {
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'architecture': ('Image target architecture (amd64 or i586 or armhf)', lambda: 'amd64', lambda x: x in ['amd64', 'i586', 'armhf']),
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'build-by': ('Builder identifier (e.g. jrandomhacker@example.net)', get_default_build_by, None),
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'debian-mirror': ('Debian repository mirror for ISO build', lambda: defaults.DEBIAN_MIRROR, None),
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'debian-security-mirror': ('Debian security updated mirror', lambda: defaults.DEBIAN_SECURITY_MIRROR, None),
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'pbuilder-debian-mirror': ('Debian repository mirror for pbuilder env bootstrap', lambda: defaults.DEBIAN_MIRROR, None),
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'build-type': ('Build type, release or development', lambda: 'development', lambda x: x in ['release', 'development']),
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'version': ('Version number (release builds only)', None, None)
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}
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# Create the option parser
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parser = argparse.ArgumentParser()
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for k, v in options.items():
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help_string, default_value_thunk = v[0], v[1]
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if default_value_thunk is None:
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parser.add_argument('--' + k, type=str, help=help_string)
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else:
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parser.add_argument('--' + k, type=str, help=help_string, default=default_value_thunk())
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args = vars(parser.parse_args())
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# Validate options
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for k, v in args.items():
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key = field_to_option(k)
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func = options[key][2]
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if func is not None:
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if not func(v):
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print("{v} is not a valid value for --{o} option".format(o=key, v=v))
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sys.exit(1)
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# Some fixup for mirror settings.
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# The idea is: if --debian-mirror is specified but --pbuilder-debian-mirror is not,
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# use the --debian-mirror value for both lb and pbuilder bootstrap
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if (args['debian_mirror'] != defaults.DEBIAN_MIRROR) and \
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(args['pbuilder_debian_mirror'] == defaults.DEBIAN_MIRROR):
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args['pbuilder_debian_mirror'] = args['debian_mirror']
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# Version can only be set for release builds,
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# for dev builds it hardly makes any sense
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if args['build_type'] == 'development':
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if args['version'] is not None:
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print("Version can only be set for release builds")
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print("Use --build-type=release option if you want to set version number")
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sys.exit(1)
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# Populate some defaults that are not configurable,
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# but that are handy to have in the options hash
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args['distribution'] = defaults.DEBIAN_DISTRIBUTION
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args['build_dir'] = os.path.join(os.getcwd(), defaults.BUILD_DIR)
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args['pbuilder_config'] = defaults.PBUILDER_CONFIG
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# Save to file
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distutils.dir_util.mkpath(defaults.BUILD_DIR)
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with open(defaults.BUILD_CONFIG, 'w') as f:
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json.dump(args, f)
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