105 lines
3.1 KiB
Python
105 lines
3.1 KiB
Python
from re import match
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from glob import glob
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from os.path import join, basename, exists
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def format_variables(node, string):
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return string.format(
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codename=node.metadata.get('os_codename'),
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version=node.os_version[0],
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)
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def find_keyfile_extension(node, key_name):
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formatted_key_name = format_variables(node, key_name)
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for extension in ('asc', 'gpg'):
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if exists(join(node.repo.path, 'data', 'apt', 'keys', f'{formatted_key_name}.{extension}')):
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return extension
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else:
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raise Exception(f"no keyfile '{formatted_key_name}.(asc|gpg)' found")
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# https://manpages.ubuntu.com/manpages/latest/en/man5/apt.conf.5.html
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def render_apt_conf(section, depth=0):
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buffer = ''
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for k,v in sorted(section.items()):
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if isinstance(v, dict):
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# element is a sub section
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assert match(r'^[a-zA-Z/\-\:\.\_\+]*$', k) and not match(r'::', k)
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buffer += ' '*4*depth + k + ' {\n'
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buffer += render_apt_conf(v, depth=depth+1)
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buffer += ' '*4*depth + '}\n'
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elif isinstance(v, (set, list)):
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# element is a value list
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buffer += ' '*4*depth + k + ' {\n'
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for e in sorted(v):
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buffer += ' '*4*(depth+1) + '"' + e + '";\n'
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buffer += ' '*4*depth + '}\n'
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else:
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# element is a single value
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buffer += ' '*4*depth + k + ' "' + v + '";\n'
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return buffer
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# https://manpages.debian.org/latest/apt/sources.list.5.de.html
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# https://repolib.readthedocs.io/en/latest/deb822-format.html
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def render_source(node, source_name):
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config = node.metadata.get(f'apt/sources/{source_name}')
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lines = []
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keys_and_types = {
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'types': (set, list),
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'urls': (set, list),
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'suites': (set, list),
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'components': (set, list),
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'options': dict,
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'key': str,
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}
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for key, value in config.items():
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if key not in keys_and_types:
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raise Exception(f"{node}: invalid source '{source_name}' conf key: '{key}' (expecting one of: {', '.join(keys_and_types)})")
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elif not isinstance(value, keys_and_types[key]):
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raise Exception(f"{node}: invalid source '{source_name}' conf value type for '{key}': '{type(value)}' (expecting: '{keys_and_types[key]}')")
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# X-Repolib-Name
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lines.append(
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f'X-Repolib-Name: ' + source_name
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)
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# types
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lines.append(
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f'Types: ' + ' '.join(sorted(config.get('types', {'deb'})))
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)
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# url
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lines.append(
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f'URIs: ' + ' '.join(sorted(config['urls']))
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)
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# suites
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lines.append(
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f'Suites: ' + ' '.join(sorted(config['suites']))
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)
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# components
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if 'components' in config:
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lines.append(
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f'Components: ' + ' '.join(sorted(config['components']))
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)
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# options
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for key, value in sorted(config['options'].items()):
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if isinstance(value, (set, list)):
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value = ' '.join(value)
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lines.append(
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f'{key}: ' + value
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)
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# render to string and format variables
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return format_variables(node, '\n'.join(lines) + '\n')
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