The configuration of debootstrap is useful even if a disk image is
not created, and allows the same configuration to be used for targets
that don't accept a raw disk image.
It's possible to use both --image and --tarball, in which case
it behaves the same as --image, but also creates a tarball of the
contents of the disk image.
If --tarball is specified, but --image isn't then, instead of creating
a disk image, it will debootstrap into a temporary directory.
'create a disk image of size SIZE (%default)',
metavar='SIZE',
default='1G')
'create a disk image of size SIZE (%default)',
metavar='SIZE',
default='1G')
+ self.settings.string(['tarball'], "tar up the disk's contents in FILE",
+ metavar='FILE')
self.settings.string(['mirror'],
'use MIRROR as package source (%default)',
metavar='URL',
self.settings.string(['mirror'],
'use MIRROR as package source (%default)',
metavar='URL',
'to sudo group')
def process_args(self, args):
'to sudo group')
def process_args(self, args):
- if not self.settings['image']:
- raise cliapp.AppException('You must give image filename.')
- if not self.settings['size']:
- raise cliapp.AppException('You must give image size.')
+ if not self.settings['image'] and not self.settings['tarball']:
+ raise cliapp.AppException('You must give disk image filename, '
+ 'or tarball filename')
+ if self.settings['image'] and not self.settings['size']:
+ raise cliapp.AppException('If disk image is specified, '
+ 'You must give image size.')
self.remove_dirs = []
self.mount_points = []
try:
self.remove_dirs = []
self.mount_points = []
try:
- self.create_empty_image()
- self.partition_image()
- self.install_mbr()
- rootdev = self.setup_kpartx()
- self.mkfs(rootdev)
- rootdir = self.mount(rootdev)
+ if self.settings['image']:
+ self.create_empty_image()
+ self.partition_image()
+ self.install_mbr()
+ rootdev = self.setup_kpartx()
+ self.mkfs(rootdev)
+ rootdir = self.mount(rootdev)
+ else:
+ rootdir = self.mkdtemp()
self.debootstrap(rootdir)
self.set_hostname(rootdir)
self.create_fstab(rootdir)
self.debootstrap(rootdir)
self.set_hostname(rootdir)
self.create_fstab(rootdir)
self.create_users(rootdir)
self.remove_udev_persistent_rules(rootdir)
self.setup_networking(rootdir)
self.create_users(rootdir)
self.remove_udev_persistent_rules(rootdir)
self.setup_networking(rootdir)
- self.install_extlinux(rootdev, rootdir)
+ if self.settings['image']:
+ self.install_extlinux(rootdev, rootdir)
+ if self.settings['tarball']:
+ self.create_tarball(rootdir)
except BaseException, e:
self.message('EEEK! Something bad happened...')
self.cleanup_system()
except BaseException, e:
self.message('EEEK! Something bad happened...')
self.cleanup_system()
self.message('Cleaning up')
self.message('Cleaning up')
- for mount_point in self.mount_points:
- self.runcmd(['umount', mount_point], ignore_fail=True)
+ if self.settings['image']:
+ for mount_point in self.mount_points:
+ self.runcmd(['umount', mount_point], ignore_fail=True)
- self.runcmd(['kpartx', '-d', self.settings['image']], ignore_fail=True)
+ self.runcmd(['kpartx', '-d', self.settings['image']], ignore_fail=True)
for dirname in self.remove_dirs:
shutil.rmtree(dirname)
for dirname in self.remove_dirs:
shutil.rmtree(dirname)
with open('/dev/tty', 'w') as tty:
cliapp.runcmd([script, rootdir], stdout=tty, stderr=tty)
with open('/dev/tty', 'w') as tty:
cliapp.runcmd([script, rootdir], stdout=tty, stderr=tty)
+ def create_tarball(self, rootdir):
+ # Create a tarball of the disk's contents
+ # shell out to runcmd since it more easily handles rootdir
+ self.message('Creating tarball of disk contents')
+ self.runcmd(['tar', '-cf', self.settings['tarball'], '-C', rootdir, '.'])
+
if __name__ == '__main__':
VmDebootstrap().run()
if __name__ == '__main__':
VmDebootstrap().run()