| # |
| # Copyright (C) 2017 Codethink Limited |
| # Copyright (C) 2018 Bloomberg Finance LP |
| # |
| # This program is free software; you can redistribute it and/or |
| # modify it under the terms of the GNU Lesser General Public |
| # License as published by the Free Software Foundation; either |
| # version 2 of the License, or (at your option) any later version. |
| # |
| # This library is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| # Lesser General Public License for more details. |
| # |
| # You should have received a copy of the GNU Lesser General Public |
| # License along with this library. If not, see <http://www.gnu.org/licenses/>. |
| # |
| # Authors: |
| # Tristan Maat <tristan.maat@codethink.co.uk> |
| |
| import os |
| |
| from .. import utils |
| from ..sandbox import SandboxDummy |
| |
| from .platform import Platform |
| from .._exceptions import PlatformError |
| |
| |
| class Linux(Platform): |
| |
| def _setup_sandbox(self, force_sandbox): |
| sandbox_setups = { |
| 'bwrap': self._setup_bwrap_sandbox, |
| 'buildbox': self._setup_buildbox_sandbox, |
| 'chroot': self._setup_chroot_sandbox, |
| 'dummy': self._setup_dummy_sandbox, |
| } |
| |
| preferred_sandboxes = [ |
| 'bwrap', |
| ] |
| |
| self._try_sandboxes(force_sandbox, sandbox_setups, preferred_sandboxes) |
| |
| def __init__(self, force_sandbox=None): |
| super().__init__(force_sandbox=force_sandbox) |
| |
| self._uid = os.geteuid() |
| self._gid = os.getegid() |
| |
| # Set linux32 option |
| self.linux32 = None |
| |
| def can_crossbuild(self, config): |
| host_arch = self.get_host_arch() |
| if ((config.build_arch == "x86-32" and host_arch == "x86-64") or |
| (config.build_arch == "aarch32" and host_arch == "aarch64")): |
| if self.linux32 is None: |
| try: |
| utils.get_host_tool('linux32') |
| self.linux32 = True |
| except utils.ProgramNotFoundError: |
| self.linux32 = False |
| return self.linux32 |
| return False |
| |
| ################################################ |
| # Private Methods # |
| ################################################ |
| |
| # Dummy sandbox methods |
| @staticmethod |
| def _check_dummy_sandbox_config(config): |
| return True |
| |
| def _create_dummy_sandbox(self, *args, **kwargs): |
| dummy_reasons = " and ".join(self.dummy_reasons) |
| kwargs['dummy_reason'] = dummy_reasons |
| return SandboxDummy(*args, **kwargs) |
| |
| def _setup_dummy_sandbox(self): |
| self.check_sandbox_config = Linux._check_dummy_sandbox_config |
| self.create_sandbox = self._create_dummy_sandbox |
| return True |
| |
| # Bubble-wrap sandbox methods |
| def _check_sandbox_config_bwrap(self, config): |
| from ..sandbox._sandboxbwrap import SandboxBwrap |
| return SandboxBwrap.check_sandbox_config(self, config) |
| |
| def _create_bwrap_sandbox(self, *args, **kwargs): |
| from ..sandbox._sandboxbwrap import SandboxBwrap |
| kwargs['linux32'] = self.linux32 |
| return SandboxBwrap(*args, **kwargs) |
| |
| def _setup_bwrap_sandbox(self): |
| from ..sandbox._sandboxbwrap import SandboxBwrap |
| |
| # This function should only be called once. |
| # but if it does eg, in the tests we want to |
| # reset the sandbox checks |
| |
| SandboxBwrap._have_good_bwrap = None |
| self._check_sandbox(SandboxBwrap) |
| self.check_sandbox_config = self._check_sandbox_config_bwrap |
| self.create_sandbox = self._create_bwrap_sandbox |
| return True |
| |
| # Chroot sandbox methods |
| def _check_sandbox_config_chroot(self, config): |
| from ..sandbox._sandboxchroot import SandboxChroot |
| return SandboxChroot.check_sandbox_config(self, config) |
| |
| @staticmethod |
| def _create_chroot_sandbox(*args, **kwargs): |
| from ..sandbox._sandboxchroot import SandboxChroot |
| return SandboxChroot(*args, **kwargs) |
| |
| def _setup_chroot_sandbox(self): |
| from ..sandbox._sandboxchroot import SandboxChroot |
| self._check_sandbox(SandboxChroot) |
| self.check_sandbox_config = self._check_sandbox_config_chroot |
| self.create_sandbox = Linux._create_chroot_sandbox |
| return True |
| |
| # Buildbox sandbox methods |
| def _check_sandbox_config_buildbox(self, config): |
| from ..sandbox._sandboxbuildbox import SandboxBuildBox |
| return SandboxBuildBox.check_sandbox_config(self, config) |
| |
| @staticmethod |
| def _create_buildbox_sandbox(*args, **kwargs): |
| from ..sandbox._sandboxbuildbox import SandboxBuildBox |
| if kwargs.get('allow_real_directory'): |
| raise PlatformError("The BuildBox Sandbox does not support real directories.", |
| reason="You are using BuildBox sandbox because BST_FORCE_SANBOX=buildbox") |
| return SandboxBuildBox(*args, **kwargs) |
| |
| def _setup_buildbox_sandbox(self): |
| from ..sandbox._sandboxbuildbox import SandboxBuildBox |
| self._check_sandbox(SandboxBuildBox) |
| self.check_sandbox_config = self._check_sandbox_config_buildbox |
| self.create_sandbox = self._create_buildbox_sandbox |
| return True |