71 lines
2.4 KiB
Python
71 lines
2.4 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2016 Mirantis, Inc.
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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 as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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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 along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import logging
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import six
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import stevedore
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logger = logging.getLogger(__package__)
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urljoin = six.moves.urllib.parse.urljoin
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class PackagingController(object):
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"""Implements low-level functionality to communicate with drivers."""
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_drivers = None
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def __init__(self, context, driver):
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self.context = context
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self.driver = driver
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@classmethod
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def load(cls, context, driver_name, driver_config):
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"""Creates the packaging manager."""
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if cls._drivers is None:
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cls._drivers = stevedore.ExtensionManager(
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"packetary.packaging_drivers", invoke_on_load=True,
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invoke_args=(driver_config,)
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)
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try:
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driver = cls._drivers[driver_name].obj
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except KeyError:
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raise NotImplementedError(
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"The driver {0} is not supported yet.".format(driver_name)
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)
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return cls(context, driver)
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def get_data_schema(self):
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"""Return jsonschema to validate data, which will be pass to driver
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:return : Return a jsonschema represented as a dict
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"""
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return self.driver.get_data_schema()
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def build_packages(self, data, output_dir, consumer):
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"""Build package from sources.
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:param data: the input data for building packages,
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the format of data depends on selected driver
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:param output_dir: directory for new packages
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:param consumer: callable, that will be called for each built package
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"""
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# TODO(bgaifullin) Add downloading sources and specs from URL
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return self.driver.build_packages(data, output_dir, consumer)
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