[Notes] [Git][BuildStream/buildstream][mac_fixes] Adding Dummy sandbox and nolocal platform



Title: GitLab

Phillip Smyth pushed to branch mac_fixes at BuildStream / buildstream

Commits:

3 changed files:

Changes:

  • buildstream/_platform/nolocal.py
    1
    +#
    
    2
    +#  Copyright (C) 2017 Codethink Limited
    
    3
    +#  Copyright (C) 2018 Bloomberg Finance LP
    
    4
    +#
    
    5
    +#  This program is free software; you can redistribute it and/or
    
    6
    +#  modify it under the terms of the GNU Lesser General Public
    
    7
    +#  License as published by the Free Software Foundation; either
    
    8
    +#  version 2 of the License, or (at your option) any later version.
    
    9
    +#
    
    10
    +#  This library is distributed in the hope that it will be useful,
    
    11
    +#  but WITHOUT ANY WARRANTY; without even the implied warranty of
    
    12
    +#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
    
    13
    +#  Lesser General Public License for more details.
    
    14
    +#
    
    15
    +#  You should have received a copy of the GNU Lesser General Public
    
    16
    +#  License along with this library. If not, see <http://www.gnu.org/licenses/>.
    
    17
    +
    
    18
    +import os
    
    19
    +import resource
    
    20
    +
    
    21
    +from .._exceptions import PlatformError
    
    22
    +from ..sandbox import DummySandbox
    
    23
    +
    
    24
    +from . import Platform
    
    25
    +
    
    26
    +
    
    27
    +class Nolocal(Platform):
    
    28
    +
    
    29
    +    if sys.platform.startswith('Darwin'):
    
    30
    +        # This value comes from OPEN_MAX in syslimits.h
    
    31
    +        OPEN_MAX = 10240
    
    32
    +    else:
    
    33
    +        OPEN_MAX = None
    
    34
    +
    
    35
    +    def __init__(self, context):
    
    36
    +
    
    37
    +        super().__init__(context)
    
    38
    +
    
    39
    +    @property
    
    40
    +    def artifactcache(self):
    
    41
    +        return self._artifact_cache
    
    42
    +
    
    43
    +    def create_sandbox(self, *args, **kwargs):
    
    44
    +        DummySandbox.run()
    
    45
    +
    
    46
    +    def get_cpu_count(self, cap=None):
    
    47
    +        if cap < os.cpu_count():
    
    48
    +            return cap
    
    49
    +        else:
    
    50
    +            return os.cpu_count()
    
    51
    +
    
    52
    +    def set_resources(self, soft_limit=OPEN_MAX, hard_limit=None):
    
    53
    +        super().set_resources(soft_limit)

  • buildstream/_platform/platform.py
    ... ... @@ -54,6 +54,8 @@ class Platform():
    54 54
                 backend = 'linux'
    
    55 55
             elif sys.platform.startswith('darwin'):
    
    56 56
                 backend = 'darwin'
    
    57
    +        elif not (os.path.exists(utils.get_host_tool('bwrap')) and os.path.exists('/dev/fuse')):
    
    58
    +            backend = 'no_local'
    
    57 59
             else:
    
    58 60
                 backend = 'unix'
    
    59 61
     
    
    ... ... @@ -63,6 +65,8 @@ class Platform():
    63 65
                 from .darwin import Darwin as PlatformImpl
    
    64 66
             elif backend == 'unix':
    
    65 67
                 from .unix import Unix as PlatformImpl
    
    68
    +        elif backend == 'no_local':
    
    69
    +            from .nolocal import Nolocal as PlatformImpl
    
    66 70
             else:
    
    67 71
                 raise PlatformError("No such platform: '{}'".format(backend))
    
    68 72
     
    

  • buildstream/sandbox/_dummysandbox.py
    1
    +#
    
    2
    +#  Copyright (C) 2018 Codethink Limited
    
    3
    +#  Copyright (C) 2018 Bloomberg Finance LP
    
    4
    +#
    
    5
    +#  This program is free software; you can redistribute it and/or
    
    6
    +#  modify it under the terms of the GNU Lesser General Public
    
    7
    +#  License as published by the Free Software Foundation; either
    
    8
    +#  version 2 of the License, or (at your option) any later version.
    
    9
    +#
    
    10
    +#  This library is distributed in the hope that it will be useful,
    
    11
    +#  but WITHOUT ANY WARRANTY; without even the implied warranty of
    
    12
    +#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
    
    13
    +#  Lesser General Public License for more details.
    
    14
    +#
    
    15
    +#  You should have received a copy of the GNU Lesser General Public
    
    16
    +#  License along with this library. If not, see <http://www.gnu.org/licenses/>.
    
    17
    +
    
    18
    +from . import _sandboxchroot.py
    
    19
    +
    
    20
    +class DummySandbox(SandboxChroot)
    
    21
    +    def __init__(self, *args, **kwargs):
    
    22
    +        super().__init__(*args, **kwargs)
    
    23
    +
    
    24
    +    def run(self):
    
    25
    +        raise ImplError("This platform does not support Sandboxing"



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