#!/usr/bin/python
-# Copyright 2011, 2012 Lars Wirzenius
+# Copyright 2011-2013 Lars Wirzenius
# Copyright 2012 Codethink Limited
#
# This program is free software: you can redistribute it and/or modify
import shutil
import subprocess
import tempfile
+import time
-__version__ = '0.1.0'
+__version__ = '0.3'
class VmDebootstrap(cliapp.Application):
'set up foreign debootstrap environment using provided program (ie binfmt handler)')
self.settings.string(['variant'],
'select debootstrap variant it not using the default')
- self.settings.boolean(['no-extlinux'], 'do not install extlinux')
+ self.settings.boolean(
+ ['extlinux'],
+ 'install extlinux?',
+ default=True)
self.settings.string(['tarball'], "tar up the disk's contents in FILE",
metavar='FILE')
self.settings.string(['mirror'],
self.settings.boolean(['sudo'],
'install sudo, and if user is created, add them '
'to sudo group')
+ self.settings.string(['owner'],
+ 'the user who will own the image when the build '
+ 'is complete.')
def process_args(self, args):
if not self.settings['image'] and not self.settings['tarball']:
self.setup_networking(rootdir)
self.customize(rootdir)
if self.settings['image']:
- if not self.settings['no-extlinux']:
+ if self.settings['extlinux']:
self.install_extlinux(rootdev, rootdir)
self.optimize_image(rootdir)
if self.settings['tarball']:
self.create_tarball(rootdir)
+
+ if self.settings['owner']:
+ self.chown(rootdir)
except BaseException, e:
self.message('EEEK! Something bad happened...')
+ self.message(e)
self.cleanup_system()
raise
else:
self.runcmd(['install-mbr', self.settings['image']])
def setup_kpartx(self):
- out = self.runcmd(['kpartx', '-av', self.settings['image']])
+ out = self.runcmd(['kpartx', '-avs', self.settings['image']])
if self.settings['bootsize']:
bootindex = 0
rootindex = 1
f.write('%s\n' % hostname)
etc_hosts = os.path.join(rootdir, 'etc', 'hosts')
- with open(etc_hosts, 'r') as f:
- data = f.read()
- with open(etc_hosts, 'w') as f:
- for line in data.splitlines():
- if line.startswith('127.0.0.1'):
- line += ' %s' % hostname
- f.write('%s\n' % line)
+ try:
+ with open(etc_hosts, 'r') as f:
+ data = f.read()
+ with open(etc_hosts, 'w') as f:
+ for line in data.splitlines():
+ if line.startswith('127.0.0.1'):
+ line += ' %s' % hostname
+ f.write('%s\n' % line)
+ except IOError, e:
+ pass
def create_fstab(self, rootdir, rootdev, roottype, bootdev, boottype):
def fsuuid(device):
if self.settings['image']:
for i in xrange(len(self.mount_points) - 1, -1, -1):
mount_point = self.mount_points[i]
- self.runcmd(['umount', mount_point], ignore_fail=True)
+ try:
+ self.runcmd(['umount', mount_point], ignore_fail=False)
+ except cliapp.AppException:
+ logging.debug("umount failed, sleeping and trying again")
+ time.sleep(5)
+ self.runcmd(['umount', mount_point], ignore_fail=False)
self.runcmd(['kpartx', '-d', self.settings['image']], ignore_fail=True)
-
+
for dirname in self.remove_dirs:
shutil.rmtree(dirname)
self.message('Creating tarball of disk contents')
self.runcmd(['tar', '-cf', self.settings['tarball'], '-C', rootdir, '.'])
+ def chown(self, rootdir):
+ # Change image owner after completed build
+ self.message("Changing owner to %s" % self.settings["owner"])
+ subprocess.call(["chown",
+ self.settings["owner"],
+ self.settings["image"]])
+
if __name__ == '__main__':
VmDebootstrap(version=__version__).run()