def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
python类makedev()的实例源码
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(dev_path):
for i, dev in enumerate(['stdin', 'stdout', 'stderr']):
os.symlink('/proc/self/fd/%d' % i, os.path.join(dev_path, dev))
os.symlink('/proc/self/fd', os.path.join(dev_path, 'fd'))
# Add extra devices
DEVICES = {'null': (stat.S_IFCHR, 1, 3), 'zero': (stat.S_IFCHR, 1, 5),
'random': (stat.S_IFCHR, 1, 8), 'urandom': (stat.S_IFCHR, 1, 9),
'console': (stat.S_IFCHR, 136, 1), 'tty': (stat.S_IFCHR, 5, 0),
'full': (stat.S_IFCHR, 1, 7)}
for device, (dev_type, major, minor) in DEVICES.iteritems():
os.mknod(os.path.join(dev_path, device),
0666 | dev_type, os.makedev(major, minor))
def _create_mounts(new_root):
# Create mounts (/proc, /sys, /dev) under new_root
linux.mount('proc', os.path.join(new_root, 'proc'), 'proc', 0, '')
linux.mount('sysfs', os.path.join(new_root, 'sys'), 'sysfs', 0, '')
linux.mount('tmpfs', os.path.join(new_root, 'dev'), 'tmpfs',
linux.MS_NOSUID | linux.MS_STRICTATIME, 'mode=755')
# Add some basic devices
devpts_path = os.path.join(new_root, 'dev', 'pts')
if not os.path.exists(devpts_path):
os.makedirs(devpts_path)
linux.mount('devpts', devpts_path, 'devpts', 0, '')
makedev(os.path.join(new_root, 'dev'))
def makedev(dev_path):
for i, dev in enumerate(['stdin', 'stdout', 'stderr']):
os.symlink('/proc/self/fd/%d' % i, os.path.join(dev_path, dev))
os.symlink('/proc/self/fd', os.path.join(dev_path, 'fd'))
# Add extra devices
DEVICES = {'null': (stat.S_IFCHR, 1, 3), 'zero': (stat.S_IFCHR, 1, 5),
'random': (stat.S_IFCHR, 1, 8), 'urandom': (stat.S_IFCHR, 1, 9),
'console': (stat.S_IFCHR, 136, 1), 'tty': (stat.S_IFCHR, 5, 0),
'full': (stat.S_IFCHR, 1, 7)}
for device, (dev_type, major, minor) in DEVICES.iteritems():
os.mknod(os.path.join(dev_path, device),
0666 | dev_type, os.makedev(major, minor))
def contain(command, image_name, image_dir, container_id, container_dir):
linux.unshare(linux.CLONE_NEWNS) # create a new mount namespace
# TODO: we added MS_REC here. wanna guess why?
linux.mount(None, '/', None, linux.MS_PRIVATE | linux.MS_REC, None)
new_root = create_container_root(
image_name, image_dir, container_id, container_dir)
print('Created a new root fs for our container: {}'.format(new_root))
# Create mounts (/proc, /sys, /dev) under new_root
linux.mount('proc', os.path.join(new_root, 'proc'), 'proc', 0, '')
linux.mount('sysfs', os.path.join(new_root, 'sys'), 'sysfs', 0, '')
linux.mount('tmpfs', os.path.join(new_root, 'dev'), 'tmpfs',
linux.MS_NOSUID | linux.MS_STRICTATIME, 'mode=755')
# Add some basic devices
devpts_path = os.path.join(new_root, 'dev', 'pts')
if not os.path.exists(devpts_path):
os.makedirs(devpts_path)
linux.mount('devpts', devpts_path, 'devpts', 0, '')
makedev(os.path.join(new_root, 'dev'))
os.chroot(new_root) # TODO: replace with pivot_root
os.chdir('/')
# TODO: umount2 old root (HINT: see MNT_DETACH in man 2 umount)
os.execvp(command[0], command)
def makedev(dev_path):
for i, dev in enumerate(['stdin', 'stdout', 'stderr']):
os.symlink('/proc/self/fd/%d' % i, os.path.join(dev_path, dev))
os.symlink('/proc/self/fd', os.path.join(dev_path, 'fd'))
# Add extra devices
DEVICES = {'null': (stat.S_IFCHR, 1, 3), 'zero': (stat.S_IFCHR, 1, 5),
'random': (stat.S_IFCHR, 1, 8), 'urandom': (stat.S_IFCHR, 1, 9),
'console': (stat.S_IFCHR, 136, 1), 'tty': (stat.S_IFCHR, 5, 0),
'full': (stat.S_IFCHR, 1, 7)}
for device, (dev_type, major, minor) in DEVICES.iteritems():
os.mknod(os.path.join(dev_path, device),
0666 | dev_type, os.makedev(major, minor))
def makedev(dev_path):
for i, dev in enumerate(['stdin', 'stdout', 'stderr']):
os.symlink('/proc/self/fd/%d' % i, os.path.join(dev_path, dev))
os.symlink('/proc/self/fd', os.path.join(dev_path, 'fd'))
# Add extra devices
DEVICES = {'null': (stat.S_IFCHR, 1, 3), 'zero': (stat.S_IFCHR, 1, 5),
'random': (stat.S_IFCHR, 1, 8), 'urandom': (stat.S_IFCHR, 1, 9),
'console': (stat.S_IFCHR, 136, 1), 'tty': (stat.S_IFCHR, 5, 0),
'full': (stat.S_IFCHR, 1, 7)}
for device, (dev_type, major, minor) in DEVICES.iteritems():
os.mknod(os.path.join(dev_path, device),
0666 | dev_type, os.makedev(major, minor))
def _create_mounts(new_root):
# Create mounts (/proc, /sys, /dev) under new_root
linux.mount('proc', os.path.join(new_root, 'proc'), 'proc', 0, '')
linux.mount('sysfs', os.path.join(new_root, 'sys'), 'sysfs', 0, '')
linux.mount('tmpfs', os.path.join(new_root, 'dev'), 'tmpfs',
linux.MS_NOSUID | linux.MS_STRICTATIME, 'mode=755')
# Add some basic devices
devpts_path = os.path.join(new_root, 'dev', 'pts')
if not os.path.exists(devpts_path):
os.makedirs(devpts_path)
linux.mount('devpts', devpts_path, 'devpts', 0, '')
makedev(os.path.join(new_root, 'dev'))
def makedev(dev_path):
for i, dev in enumerate(['stdin', 'stdout', 'stderr']):
os.symlink('/proc/self/fd/%d' % i, os.path.join(dev_path, dev))
os.symlink('/proc/self/fd', os.path.join(dev_path, 'fd'))
# Add extra devices
DEVICES = {'null': (stat.S_IFCHR, 1, 3), 'zero': (stat.S_IFCHR, 1, 5),
'random': (stat.S_IFCHR, 1, 8), 'urandom': (stat.S_IFCHR, 1, 9),
'console': (stat.S_IFCHR, 136, 1), 'tty': (stat.S_IFCHR, 5, 0),
'full': (stat.S_IFCHR, 1, 7)}
for device, (dev_type, major, minor) in DEVICES.iteritems():
os.mknod(os.path.join(dev_path, device),
0666 | dev_type, os.makedev(major, minor))
def _create_mounts(new_root):
# Create mounts (/proc, /sys, /dev) under new_root
linux.mount('proc', os.path.join(new_root, 'proc'), 'proc', 0, '')
linux.mount('sysfs', os.path.join(new_root, 'sys'), 'sysfs', 0, '')
linux.mount('tmpfs', os.path.join(new_root, 'dev'), 'tmpfs',
linux.MS_NOSUID | linux.MS_STRICTATIME, 'mode=755')
# Add some basic devices
devpts_path = os.path.join(new_root, 'dev', 'pts')
if not os.path.exists(devpts_path):
os.makedirs(devpts_path)
linux.mount('devpts', devpts_path, 'devpts', 0, '')
makedev(os.path.join(new_root, 'dev'))
def makedev(dev_path):
for i, dev in enumerate(['stdin', 'stdout', 'stderr']):
os.symlink('/proc/self/fd/%d' % i, os.path.join(dev_path, dev))
os.symlink('/proc/self/fd', os.path.join(dev_path, 'fd'))
# Add extra devices
DEVICES = {'null': (stat.S_IFCHR, 1, 3), 'zero': (stat.S_IFCHR, 1, 5),
'random': (stat.S_IFCHR, 1, 8), 'urandom': (stat.S_IFCHR, 1, 9),
'console': (stat.S_IFCHR, 136, 1), 'tty': (stat.S_IFCHR, 5, 0),
'full': (stat.S_IFCHR, 1, 7)}
for device, (dev_type, major, minor) in DEVICES.iteritems():
os.mknod(os.path.join(dev_path, device),
0666 | dev_type, os.makedev(major, minor))
def makedev(dev_path):
for i, dev in enumerate(['stdin', 'stdout', 'stderr']):
os.symlink('/proc/self/fd/%d' % i, os.path.join(dev_path, dev))
os.symlink('/proc/self/fd', os.path.join(dev_path, 'fd'))
# Add extra devices
DEVICES = {'null': (stat.S_IFCHR, 1, 3), 'zero': (stat.S_IFCHR, 1, 5),
'random': (stat.S_IFCHR, 1, 8), 'urandom': (stat.S_IFCHR, 1, 9),
'console': (stat.S_IFCHR, 136, 1), 'tty': (stat.S_IFCHR, 5, 0),
'full': (stat.S_IFCHR, 1, 7)}
for device, (dev_type, major, minor) in DEVICES.iteritems():
os.mknod(os.path.join(dev_path, device),
0666 | dev_type, os.makedev(major, minor))
def _create_mounts(new_root):
# Create mounts (/proc, /sys, /dev) under new_root
linux.mount('proc', os.path.join(new_root, 'proc'), 'proc', 0, '')
linux.mount('sysfs', os.path.join(new_root, 'sys'), 'sysfs', 0, '')
linux.mount('tmpfs', os.path.join(new_root, 'dev'), 'tmpfs',
linux.MS_NOSUID | linux.MS_STRICTATIME, 'mode=755')
# Add some basic devices
devpts_path = os.path.join(new_root, 'dev', 'pts')
if not os.path.exists(devpts_path):
os.makedirs(devpts_path)
linux.mount('devpts', devpts_path, 'devpts', 0, '')
makedev(os.path.join(new_root, 'dev'))
def makedev(dev_path):
for i, dev in enumerate(['stdin', 'stdout', 'stderr']):
os.symlink('/proc/self/fd/%d' % i, os.path.join(dev_path, dev))
os.symlink('/proc/self/fd', os.path.join(dev_path, 'fd'))
# Add extra devices
DEVICES = {'null': (stat.S_IFCHR, 1, 3), 'zero': (stat.S_IFCHR, 1, 5),
'random': (stat.S_IFCHR, 1, 8), 'urandom': (stat.S_IFCHR, 1, 9),
'console': (stat.S_IFCHR, 136, 1), 'tty': (stat.S_IFCHR, 5, 0),
'full': (stat.S_IFCHR, 1, 7)}
for device, (dev_type, major, minor) in DEVICES.iteritems():
os.mknod(os.path.join(dev_path, device),
0666 | dev_type, os.makedev(major, minor))
def _create_mounts(new_root):
# Create mounts (/proc, /sys, /dev) under new_root
linux.mount('proc', os.path.join(new_root, 'proc'), 'proc', 0, '')
linux.mount('sysfs', os.path.join(new_root, 'sys'), 'sysfs', 0, '')
linux.mount('tmpfs', os.path.join(new_root, 'dev'), 'tmpfs',
linux.MS_NOSUID | linux.MS_STRICTATIME, 'mode=755')
# Add some basic devices
devpts_path = os.path.join(new_root, 'dev', 'pts')
if not os.path.exists(devpts_path):
os.makedirs(devpts_path)
linux.mount('devpts', devpts_path, 'devpts', 0, '')
makedev(os.path.join(new_root, 'dev'))
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
def makedev(self, tarinfo, targetpath):
"""Make a character or block device called targetpath.
"""
if not hasattr(os, "mknod") or not hasattr(os, "makedev"):
raise ExtractError("special devices not supported by system")
mode = tarinfo.mode
if tarinfo.isblk():
mode |= stat.S_IFBLK
else:
mode |= stat.S_IFCHR
os.mknod(targetpath, mode,
os.makedev(tarinfo.devmajor, tarinfo.devminor))
