bundlewrap/bundles/apt/items.py

actions = {
    'apt_update': {
        'command': 'apt-get update',
        'needed_by': [
            'pkg_apt:',
        ],
        'triggered': True,
        'cascade_skip': False,
    },
}

files = {
    '/etc/apt/apt.conf.d/50unattended-upgrades': {
        'content_type': 'mako',
        'source': 'apt.conf-unattended-upgrades',
        'context': {'data': node.metadata.get('apt', {}).get('unattended-upgrades', {})}
    },
    '/etc/apt/apt.conf.d/20auto-upgrades': {
        'source': 'apt.conf-auto-upgrades',
    },
}

directories = {
    '/etc/apt/sources.list.d': {},
}

pkg_apt = {
    'apt-transport-https': {},
    'unattended-upgrades': {},
}

gpg_keys = set()
for name, data in node.metadata.get('apt', {}).get('repos', {}).items():
    files['/etc/apt/sources.list.d/{}.list'.format(name)] = {
        'content_type': 'mako',
        'content': "\n".join(data['items']),
        'triggers': [
            'action:apt_update',
        ],
    }

    if 'key' in data:
        gpg_keys.add(data['key'])

        files['/etc/apt/sources.list.d/{}.list'.format(name)]['needs'] = [
            'action:add_gpg_key_{}'.format(data['key']),
        ]

previous_action = None
for key in gpg_keys:
    files['/etc/apt/gpg-keys/{}'.format(key)] = {
        'source': 'gpg-keys/{}'.format(key),
    }

    action_name = 'add_gpg_key_{}'.format(key)
    action_item_name = 'action:' + action_name
    actions[action_name] = {
        'command': 'apt-key add /etc/apt/gpg-keys/{}'.format(key),
        'unless': 'apt-key export {} 2>/dev/null | grep -q "END PGP PUBLIC KEY BLOCK"'.format(key),
        'cascade_skip': False,
        'needed_by': ["action:apt_update"],
        'needs': list(filter(None, [
            'file:/etc/apt/gpg-keys/{}'.format(key),
            previous_action,
        ])),
    }
    previous_action = action_item_name

if node.metadata.get('apt', {}).get('packages', {}):
    for package, options in node.metadata['apt']['packages'].items():
        pkg_apt[package] = options


if node.metadata.get('keep_cloud_init', False):
    pkg_apt['cloud-init'] = {
        'installed': True,
    }
else:
    pkg_apt['cloud-init'] = {
        'installed': False,
    }
    pkg_apt['netplan.io'] = {
        'installed': False,
    }

    files['/etc/cloud'] = {
        'delete': True,
    }
    files['/etc/netplan'] = {
        'delete': True,
    }
    files['/var/lib/cloud'] = {
        'delete': True,
    }