2be4007113
In case of ConfigStatic, proxy settings only come from the host environment. We need them early, prior to fetching the first missing repo that is pulled via an include. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
431 lines
13 KiB
Python
431 lines
13 KiB
Python
# kas - setup tool for bitbake based projects
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#
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# Copyright (c) Siemens AG, 2017
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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"""
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This module contains the implementation of the kas configuration.
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"""
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import os
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import sys
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import logging
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import errno
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try:
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from distro import id as get_distro_id
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except ImportError:
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import platform
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def get_distro_id():
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"""
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Wrapper around platform.dist to simulate distro.id
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platform.dist is deprecated and will be removed in python 3.7
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Use the 'distro' package instead.
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"""
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# pylint: disable=deprecated-method
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return platform.dist()[0]
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from .repos import Repo
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from .libkas import run_cmd, repos_fetch, repo_checkout
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__license__ = 'MIT'
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__copyright__ = 'Copyright (c) Siemens AG, 2017'
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class Config:
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"""
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This is an abstract class, that defines the interface of the
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kas configuration.
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"""
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def __init__(self):
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self.__kas_work_dir = os.environ.get('KAS_WORK_DIR', os.getcwd())
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self.environ = {}
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self._config = {}
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@property
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def build_dir(self):
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"""
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The path of the build directory.
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"""
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return os.path.join(self.__kas_work_dir, 'build')
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@property
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def kas_work_dir(self):
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"""
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The path to the kas work directory.
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"""
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return self.__kas_work_dir
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def setup_environ(self):
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"""
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Sets the environment variables for process that are
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started by kas.
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"""
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distro_id = get_distro_id()
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if distro_id.lower() in ['fedora', 'suse', 'opensuse']:
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self.environ = {'LC_ALL': 'en_US.utf8',
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'LANG': 'en_US.utf8',
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'LANGUAGE': 'en_US'}
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elif distro_id.lower() in ['debian', 'ubuntu']:
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self.environ = {'LC_ALL': 'en_US.UTF-8',
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'LANG': 'en_US.UTF-8',
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'LANGUAGE': 'en_US:en'}
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else:
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logging.warning('kas: Unsupported distro. No default locales set.')
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self.environ = {}
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def get_repo_ref_dir(self):
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"""
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The path to the directory that contains the repository references.
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"""
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# pylint: disable=no-self-use
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return os.environ.get('KAS_REPO_REF_DIR', None)
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def get_proxy_config(self):
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"""
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Returns the proxy settings
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"""
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proxy_config = self._config.get('proxy_config', {})
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return {var_name: os.environ.get(var_name,
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proxy_config.get(var_name, ''))
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for var_name in ['http_proxy',
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'https_proxy',
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'no_proxy']}
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def get_repos(self):
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"""
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Returns the list of repos.
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"""
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# pylint: disable=no-self-use
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return []
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def pre_hook(self, fname):
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"""
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Returns a function that is executed before every command or None.
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"""
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# pylint: disable=unused-argument
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pass
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def post_hook(self, fname):
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"""
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Returs a function that is executed after every command or None.
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"""
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# pylint: disable=unused-argument
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pass
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def get_hook(self, fname):
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"""
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Returns a function that is executed instead of the command or None.
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"""
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# pylint: disable=unused-argument
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pass
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def get_bitbake_target(self):
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"""
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Return the bitbake target
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"""
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return os.environ.get('KAS_TARGET',
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self._config.get('target',
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'core-image-minimal'))
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def _get_conf_header(self, header_name):
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"""
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Returns the local.conf header
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"""
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header = ''
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for key, value in self._config.get(header_name, {}).items():
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header += '# {}\n{}\n'.format(key, value)
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return header
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def get_bblayers_conf_header(self):
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"""
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Returns the bblayers.conf header
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"""
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return self._get_conf_header('bblayers_conf_header')
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def get_local_conf_header(self):
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"""
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Returns the local.conf header
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"""
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return self._get_conf_header('local_conf_header')
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def get_machine(self):
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"""
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Returns the machine
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"""
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return os.environ.get('KAS_MACHINE',
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self._config.get('machine', 'qemu'))
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def get_distro(self):
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"""
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Returns the distro
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"""
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return os.environ.get('KAS_DISTRO',
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self._config.get('distro', 'poky'))
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def get_gitlabci_config(self):
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"""
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Returns the GitlabCI configuration
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"""
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return self._config.get('gitlabci_config', '')
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class ConfigPython(Config):
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"""
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Implementation of a configuration that uses a Python script.
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"""
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def __init__(self, filename, target):
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# pylint: disable=exec-used
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super().__init__()
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self.filename = os.path.abspath(filename)
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try:
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with open(self.filename) as fds:
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env = {}
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data = fds.read()
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exec(data, env)
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self._config = env
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except IOError:
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raise IOError(errno.ENOENT, os.strerror(errno.ENOENT),
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self.filename)
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self.create_config(target)
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self.setup_environ()
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def __str__(self):
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output = 'target: {}\n'.format(self.target)
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output += 'repos:\n'
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for repo in self.get_repos():
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output += ' {}\n'.format(repo.__str__())
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output += 'environ:\n'
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for key, value in self.environ.items():
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output += ' {} = {}\n'.format(key, value)
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output += 'proxy:\n'
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for key, value in self.get_proxy_config().items():
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output += ' {} = {}\n'.format(key, value)
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return output
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def pre_hook(self, fname):
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try:
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self._config[fname + '_prepend'](self)
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except KeyError:
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pass
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def post_hook(self, fname):
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try:
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self._config[fname + '_append'](self)
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except KeyError:
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pass
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def get_hook(self, fname):
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try:
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return self._config[fname]
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except KeyError:
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return None
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def create_config(self, target):
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"""
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Sets the configuration for `target`
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"""
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self.target = target
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self.repos = self._config['get_repos'](self, target)
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def get_proxy_config(self):
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return self._config['get_proxy_config']()
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def get_repos(self):
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return iter(self.repos)
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def get_target(self):
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"""
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Returns the target
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"""
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return self.target
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def get_bitbake_target(self):
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"""
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Return the bitbake target
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"""
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try:
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return self._config['get_bitbake_target'](self)
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except KeyError:
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return self.target
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def get_bblayers_conf_header(self):
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"""
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Returns the bblayers.conf header
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"""
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try:
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return self._config['get_bblayers_conf_header']()
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except KeyError:
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return ''
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def get_local_conf_header(self):
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"""
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Returns the local.conf header
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"""
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try:
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return self._config['get_local_conf_header']()
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except KeyError:
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return ''
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def get_machine(self):
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"""
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Returns the machine
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"""
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try:
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return self._config['get_machine'](self)
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except KeyError:
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return 'qemu'
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def get_distro(self):
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"""
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Returns the distro
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"""
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try:
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return self._config['get_distro'](self)
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except KeyError:
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return 'poky'
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def get_gitlabci_config(self):
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"""
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Returns the GitlabCI configuration
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"""
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try:
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return self._config['get_gitlabci_config'](self)
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except KeyError:
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return ''
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class ConfigStatic(Config):
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"""
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Implements the static kas configuration based on config files.
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"""
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def __init__(self, filename, _):
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from .includehandler import GlobalIncludes, IncludeException
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super().__init__()
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self.setup_environ()
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self.filename = os.path.abspath(filename)
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self.handler = GlobalIncludes(self.filename)
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repo_paths = {}
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missing_repo_names_old = []
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(self._config, missing_repo_names) = \
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self.handler.get_config(repos=repo_paths)
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self.environ.update(self.get_proxy_config())
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while missing_repo_names:
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if missing_repo_names == missing_repo_names_old:
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raise IncludeException('Could not fetch all repos needed by '
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'includes.')
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repo_dict = self.get_repo_dict()
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missing_repos = [repo_dict[repo_name]
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for repo_name in missing_repo_names]
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repos_fetch(self, missing_repos)
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for repo in missing_repos:
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repo_checkout(self, repo)
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repo_paths = {r: repo_dict[r].path for r in repo_dict}
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missing_repo_names_old = missing_repo_names
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(self._config, missing_repo_names) = \
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self.handler.get_config(repos=repo_paths)
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def get_repos(self):
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"""
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Returns the list of repos.
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"""
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return list(self.get_repo_dict().values())
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def get_repo_dict(self):
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"""
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Returns a dictionary containing the repositories with
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their name (as it is defined in the config file) as key
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and the `Repo` instances as value.
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"""
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repo_config_dict = self._config.get('repos', {})
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repo_dict = {}
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for repo in repo_config_dict:
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repo_config_dict[repo] = repo_config_dict[repo] or {}
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layers_dict = repo_config_dict[repo].get('layers', {})
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layers = list(filter(lambda x, laydict=layers_dict:
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str(laydict[x]).lower() not in
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['disabled', 'excluded', 'n', 'no', '0',
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'false'],
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layers_dict))
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url = repo_config_dict[repo].get('url', None)
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name = repo_config_dict[repo].get('name', repo)
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refspec = repo_config_dict[repo].get('refspec', None)
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path = repo_config_dict[repo].get('path', None)
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if url is None:
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# No git operation on repository
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if path is None:
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# In-tree configuration
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path = os.path.dirname(self.filename)
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(_, output) = run_cmd(['/usr/bin/git',
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'rev-parse',
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'--show-toplevel'],
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cwd=path,
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env=self.environ)
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path = output.strip()
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url = path
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rep = Repo(url=url,
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path=path,
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layers=layers)
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rep.disable_git_operations()
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else:
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path = path or os.path.join(self.kas_work_dir, name)
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rep = Repo(url=url,
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path=path,
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refspec=refspec,
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layers=layers)
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repo_dict[repo] = rep
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return repo_dict
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def load_config(filename, target):
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"""
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Return configuration generated from `filename`.
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"""
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(_, ext) = os.path.splitext(filename)
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if ext == '.py':
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cfg = ConfigPython(filename, target)
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elif ext in ['.json', '.yml']:
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cfg = ConfigStatic(filename, target)
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else:
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logging.error('Config file extenstion not recognized')
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sys.exit(1)
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return cfg
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