mirror of
https://github.com/niess/python-appimage.git
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59 lines
1.6 KiB
Python
59 lines
1.6 KiB
Python
import os
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import platform
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import stat
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import subprocess
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import sys
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from .compat import decode
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from .log import log
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from .system import system
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def docker_run(image, extra_cmds, capture=False):
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'''Execute commands within a docker container
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'''
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ARCH = platform.machine()
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if image.endswith(ARCH):
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bash_arg = '/pwd/run.sh'
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elif image.endswith('i686') and ARCH == 'x86_64':
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bash_arg = '-c "linux32 /pwd/run.sh"'
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elif image.endswith('x86_64') and ARCH == 'i686':
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bash_arg = '-c "linux64 /pwd/run.sh"'
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else:
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raise ValueError('Unsupported Docker image: ' + image)
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log('PULL', image)
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system(('docker', 'pull', image))
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script = [
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'set -e',
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'trap "chown -R {:}:{:} *" EXIT'.format(os.getuid(),
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os.getgid()),
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'cd /pwd'
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]
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script += extra_cmds
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with open('run.sh', 'w') as f:
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f.write(os.linesep.join(script))
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os.chmod('run.sh', stat.S_IRWXU)
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cmd = ' '.join(('docker', 'run', '--mount',
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'type=bind,source={:},target=/pwd'.format(os.getcwd()),
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image, '/bin/bash', bash_arg))
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if capture:
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opts = {'stderr': subprocess.PIPE, 'stdout': subprocess.PIPE}
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else:
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opts = {}
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log('RUN', image)
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p = subprocess.Popen(cmd, shell=True, **opts)
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r = p.communicate()
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if p.returncode != 0:
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if p.returncode == 139:
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sys.stderr.write("segmentation fault when running Docker (139)\n")
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sys.exit(p.returncode)
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if capture:
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return decode(r[0])
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