diff options
Diffstat (limited to 'bin/vmdebootstrap')
| -rwxr-xr-x | bin/vmdebootstrap | 301 |
1 files changed, 34 insertions, 267 deletions
diff --git a/bin/vmdebootstrap b/bin/vmdebootstrap index 1bb9e2e..1880701 100755 --- a/bin/vmdebootstrap +++ b/bin/vmdebootstrap @@ -234,28 +234,28 @@ class VmDebootstrap(cliapp.Application): # pylint: disable=too-many-public-meth sys.exit("You need to have root privileges to run this script.") self.start_ops() - def _image_preparations(self, rootdir): + def _image_preparations(self): uefi = self.handlers[Uefi.name] base = self.handlers[Base.name] - roottype = self.settings['roottype'] + filesystem = self.handlers[Filesystem.name] base.create_empty_image() self.partition_image() - if self.settings['mbr'] or self.settings['extlinux']: - self.install_mbr() - (rootdev, bootdev, swapdev) = self.setup_kpartx() + filesystem.install_mbr() + filesystem.setup_kpartx() + rootdev = filesystem.devices['rootdev'] + roottype = filesystem.devices['roottype'] + bootdev = filesystem.devices['bootdev'] if self.settings['swap'] > 0: self.message("Creating swap space") - runcmd(['mkswap', swapdev]) - self.mkfs(rootdev, fstype=roottype) + runcmd(['mkswap', filesystem.devices['swapdev']]) + filesystem.mkfs(rootdev, fstype=roottype) rootdir = self.mount(rootdev) + filesystem.devices['rootdir'] = rootdir if self.settings['use-uefi']: self.mount(bootdev, uefi.prepare_esp(rootdir, bootdev)) elif bootdev: - if self.settings['boottype']: - boottype = self.settings['boottype'] - else: - boottype = 'ext2' - self.mkfs(bootdev, fstype=boottype) + boottype = self.settings['boottype'] + filesystem.mkfs(bootdev, fstype=boottype) self.bootdir = '%s/%s' % (rootdir, 'boot/') os.mkdir(self.bootdir) self.mount(bootdev, self.bootdir) @@ -265,44 +265,46 @@ class VmDebootstrap(cliapp.Application): # pylint: disable=too-many-public-meth return grub = self.handlers[GrubHandler.name] extlinux = self.handlers[ExtLinux.name] + base = self.handlers[Base.name] + filesystem = self.handlers[Filesystem.name] if self.settings['use-uefi']: grub.install_grub_uefi(rootdir) + uefi.configure_efi() + grub.install_extra_grub_uefi(rootdir) + uefi.configure_extra_efi() elif self.settings['grub']: - grub.install_grub2(rootdev, rootdir) + if not grub.install_grub2(rootdev, rootdir): + extlinux.install_extlinux(rootdev, rootdir) elif self.settings['extlinux']: extlinux.install_extlinux(rootdev, rootdir) - self.append_serial_console(rootdir) - self.optimize_image(rootdir) - if self.settings['squash']: - self.squash() + base.append_serial_console(rootdir) + base.optimize_image(rootdir) + filesystem.squash() def start_ops(self): base = self.handlers[Base.name] - rootdir = None - rootdev = None - roottype = self.settings['roottype'] - bootdev = None - boottype = None + filesystem = self.handlers[Filesystem.name] + rootdir = filesystem.devices['rootdir'] + rootdev = filesystem.devices['rootdev'] try: if self.settings['image']: - self._image_preparations(rootdir) + self._image_preparations() else: rootdir = self.mkdtemp() self.debootstrap(rootdir) - self.set_hostname(rootdir) - self.create_fstab(rootdir, rootdev, roottype, bootdev, boottype) + filesystem.set_hostname() + filesystem.create_fstab() self.install_debs(rootdir) base.set_root_password(rootdir) base.create_users(rootdir) - self.remove_udev_persistent_rules(rootdir) + filesystem.remove_udev_persistent_rules() self.setup_networking(rootdir) - if self.settings['configure-apt'] or self.settings['apt-mirror']: - self.configure_apt(rootdir) - self.customize(rootdir) + filesystem.configure_apt() + base.customize(rootdir) cleanup_apt_cache(rootdir) - self.update_initramfs(rootdir) + filesystem.update_initramfs() self._image_operations(rootdir, rootdev) - self.list_installed_pkgs(rootdir) + filesystem.list_installed_pkgs() if self.settings['foreign']: os.unlink( @@ -311,7 +313,7 @@ class VmDebootstrap(cliapp.Application): # pylint: disable=too-many-public-meth if self.settings['tarball']: base.create_tarball(rootdir) - self.chown() + filesystem.chown() except BaseException as e: self.message('EEEK! Something bad happened...') @@ -421,71 +423,6 @@ class VmDebootstrap(cliapp.Application): # pylint: disable=too-many-public-meth runcmd(['parted', '-s', self.settings['image'], 'mkpart', 'primary', 'linux-swap', extent, '100%']) - def update_initramfs(self, rootdir): - cmd = os.path.join('usr', 'sbin', 'update-initramfs') - if os.path.exists(os.path.join(rootdir, cmd)): - self.message("Updating the initramfs") - runcmd(['chroot', rootdir, cmd, '-u']) - - def install_mbr(self): - if os.path.exists("/sbin/install-mbr"): - self.message('Installing MBR') - runcmd(['install-mbr', self.settings['image']]) - else: - msg = "mbr enabled but /sbin/install-mbr not found" \ - " - please install the mbr package." - raise cliapp.AppException(msg) - - def setup_kpartx(self): - bootindex = None - swapindex = None - out = runcmd(['kpartx', '-avs', self.settings['image']]) - if self.settings['bootsize'] and self.settings['swap'] > 0: - bootindex = 0 - rootindex = 1 - swapindex = 2 - parts = 3 - elif self.settings['use-uefi']: - bootindex = 0 - rootindex = 1 - parts = 2 - elif self.settings['use-uefi'] and self.settings['swap'] > 0: - bootindex = 0 - rootindex = 1 - swapindex = 2 - parts = 3 - elif self.settings['bootsize']: - bootindex = 0 - rootindex = 1 - parts = 2 - elif self.settings['swap'] > 0: - rootindex = 0 - swapindex = 1 - parts = 2 - else: - rootindex = 0 - parts = 1 - boot = None - swap = None - devices = [line.split()[2] - for line in out.splitlines() - if line.startswith('add map ')] - if len(devices) != parts: - msg = 'Surprising number of partitions - check output of losetup -a' - logging.debug("%s", runcmd(['losetup', '-a'])) - logging.debug("%s: devices=%s parts=%s", msg, devices, parts) - raise cliapp.AppException(msg) - root = '/dev/mapper/%s' % devices[rootindex] - if self.settings['bootsize'] or self.settings['use-uefi']: - boot = '/dev/mapper/%s' % devices[bootindex] - if self.settings['swap'] > 0: - swap = '/dev/mapper/%s' % devices[swapindex] - return root, boot, swap - - def mkfs(self, device, fstype): - self.message('Creating filesystem %s' % fstype) - runcmd(['mkfs', '-t', fstype, device]) - def _bootstrap_packages(self): # pylint: disable=too-many-branches uefi = self.handlers[Uefi.name] distro = self.handlers[Codenames.name] @@ -564,50 +501,6 @@ class VmDebootstrap(cliapp.Application): # pylint: disable=too-many-public-meth if self.settings['foreign']: self._debootstrap_second_stage(rootdir) - def set_hostname(self, rootdir): - hostname = self.settings['hostname'] - with open(os.path.join(rootdir, 'etc', 'hostname'), 'w') as f: - f.write('%s\n' % hostname) - - etc_hosts = os.path.join(rootdir, 'etc', 'hosts') - 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: - pass - - def create_fstab(self, rootdir, rootdev, roottype, bootdev, boottype): # pylint: disable=too-many-arguments - def fsuuid(device): - out = runcmd(['blkid', '-c', '/dev/null', '-o', 'value', - '-s', 'UUID', device]) - return out.splitlines()[0].strip() - - if rootdev: - rootdevstr = 'UUID=%s' % fsuuid(rootdev) - else: - rootdevstr = '/dev/sda1' - - if bootdev and not self.settings['use-uefi']: - bootdevstr = 'UUID=%s' % fsuuid(bootdev) - else: - bootdevstr = None - - fstab = os.path.join(rootdir, 'etc', 'fstab') - with open(fstab, 'w') as f: - f.write('proc /proc proc defaults 0 0\n') - f.write('%s / %s errors=remount-ro 0 1\n' % (rootdevstr, roottype)) - if bootdevstr: - f.write('%s /boot %s errors=remount-ro 0 2\n' % (bootdevstr, boottype)) - if self.settings['swap'] > 0: - f.write("/dev/sda3 swap swap defaults 0 0\n") - elif self.settings['swap'] > 0: - f.write("/dev/sda2 swap swap defaults 0 0\n") - def install_debs(self, rootdir): if not self.settings['custom-package']: return @@ -627,16 +520,6 @@ class VmDebootstrap(cliapp.Application): # pylint: disable=too-many-public-meth logging.debug('stdout:\n%s', out) shutil.rmtree(tmp) - def remove_udev_persistent_rules(self, rootdir): - self.message('Removing udev persistent cd and net rules') - for x in ['70-persistent-cd.rules', '70-persistent-net.rules']: - pathname = os.path.join(rootdir, 'etc', 'udev', 'rules.d', x) - if os.path.exists(pathname): - logging.debug('rm %s', pathname) - os.remove(pathname) - else: - logging.debug('not removing non-existent %s', pathname) - def setup_networking(self, rootdir): self.message('Setting up networking') distro = self.handlers[Codenames.name] @@ -660,56 +543,6 @@ class VmDebootstrap(cliapp.Application): # pylint: disable=too-many-public-meth eth.write('auto eth0\n') eth.write('iface eth0 inet dhcp\n') - def append_serial_console(self, rootdir): - if self.settings['serial-console']: - serial_command = self.settings['serial-console-command'] - logging.debug('adding getty to serial console') - inittab = os.path.join(rootdir, 'etc/inittab') - # to autologin, serial_command can contain '-a root' - with open(inittab, 'a') as f: - f.write('\nS0:23:respawn:%s\n' % serial_command) - - def optimize_image(self, rootdir): - """ - Filing up the image with zeros will increase its compression rate - """ - if not self.settings['sparse']: - zeros = os.path.join(rootdir, 'ZEROS') - self.runcmd_unchecked(['dd', 'if=/dev/zero', 'of=' + zeros, 'bs=1M']) - runcmd(['rm', '-f', zeros]) - - def squash(self): - """ - Run squashfs on the image. - """ - if not os.path.exists('/usr/bin/mksquashfs'): - logging.warning("Squash selected but mksquashfs not found!") - return - logging.debug( - "%s usage: %s", self.settings['image'], - runcmd(['du', self.settings['image']])) - self.message("Running mksquashfs") - suffixed = "%s.squashfs" % self.settings['image'] - if os.path.exists(suffixed): - os.unlink(suffixed) - msg = runcmd( - ['mksquashfs', self.settings['image'], - suffixed, - '-no-progress', '-comp', 'xz'], ignore_fail=False) - logging.debug(msg) - check_size = os.path.getsize(suffixed) - if check_size < (1024 * 1024): - logging.warning( - "%s appears to be too small! %s bytes", - suffixed, check_size) - else: - logging.debug("squashed size: %s", check_size) - os.unlink(self.settings['image']) - self.settings['image'] = suffixed - logging.debug( - "%s usage: %s", self.settings['image'], - runcmd(['du', self.settings['image']])) - def cleanup_system(self): # Clean up after any errors. @@ -731,71 +564,5 @@ class VmDebootstrap(cliapp.Application): # pylint: disable=too-many-public-meth for dirname in self.remove_dirs: shutil.rmtree(dirname) - def customize(self, rootdir): - script = self.settings['customize'] - if not script: - return - if not os.path.exists(script): - example = os.path.join("/usr/share/vmdebootstrap/examples/", script) - if not os.path.exists(example): - self.message("Unable to find %s" % script) - return - script = example - self.message('Running customize script %s' % script) - logging.info("rootdir=%s image=%s", rootdir, self.settings['image']) - logging.debug( - "%s usage: %s", self.settings['image'], - runcmd(['du', self.settings['image']])) - with open('/dev/tty', 'w') as tty: - try: - cliapp.runcmd([script, rootdir, self.settings['image']], stdout=tty, stderr=tty) - except IOError: - subprocess.call([script, rootdir, self.settings['image']]) - logging.debug( - "%s usage: %s", self.settings['image'], - runcmd(['du', self.settings['image']])) - - def chown(self): - if not self.settings['owner']: - return - # Change image owner after completed build - if self.settings['image']: - filename = self.settings['image'] - elif self.settings['tarball']: - filename = self.settings['tarball'] - else: - return - self.message("Changing owner to %s" % self.settings["owner"]) - subprocess.call(["chown", self.settings["owner"], filename]) - - def list_installed_pkgs(self, rootdir): - if not self.settings['pkglist']: - return - # output the list of installed packages for sources identification - self.message("Creating a list of installed binary package names") - out = runcmd(['chroot', rootdir, - 'dpkg-query', '-W', "-f='${Package}.deb\n'"]) - with open('dpkg.list', 'w') as dpkg: - dpkg.write(out) - - def configure_apt(self, rootdir): - # use the distribution and mirror to create an apt source - self.message("Configuring apt to use distribution and mirror") - conf = os.path.join(rootdir, 'etc', 'apt', 'sources.list.d', 'base.list') - logging.debug('configure apt %s', conf) - mirror = self.settings['mirror'] - if self.settings['apt-mirror']: - mirror = self.settings['apt-mirror'] - self.message("Setting apt mirror to %s" % mirror) - os.unlink(os.path.join(rootdir, 'etc', 'apt', 'sources.list')) - f = open(conf, 'w') - line = 'deb %s %s main\n' % (mirror, self.settings['distribution']) - f.write(line) - line = '#deb-src %s %s main\n' % (mirror, self.settings['distribution']) - f.write(line) - f.close() - # ensure the apt sources have valid lists - runcmd(['chroot', rootdir, 'apt-get', '-qq', 'update']) - if __name__ == '__main__': VmDebootstrap(version=__version__).run() |