pungi/pungi/createiso.py
Lubomír Sedlář f3806f7c77 Stop using deprecated pipes.quote
Instead use the definition from python-six. Once we drop Py 2 support
completely, we'll just swap underscores with dots.

Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>
2017-10-24 15:15:31 +02:00

113 lines
3.3 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import print_function
import os
import six
from collections import namedtuple
from six.moves import shlex_quote
from .wrappers import iso
from .wrappers.jigdo import JigdoWrapper
CreateIsoOpts = namedtuple('CreateIsoOpts',
['buildinstall_method', 'arch', 'output_dir', 'jigdo_dir',
'iso_name', 'volid', 'graft_points', 'supported', 'os_tree'])
CreateIsoOpts.__new__.__defaults__ = (None,) * len(CreateIsoOpts._fields)
def quote(str):
"""Quote an argument for shell, but make sure $TEMPLATE variable will be
expanded.
"""
if str.startswith('$TEMPLATE'):
return '$TEMPLATE%s' % shlex_quote(str.replace('$TEMPLATE', '', 1))
return shlex_quote(str)
def emit(f, cmd):
"""Print line of shell code into the stream."""
if isinstance(cmd, six.string_types):
print(cmd, file=f)
else:
print(' '.join([quote(x) for x in cmd]), file=f)
FIND_TEMPLATE_SNIPPET = """
if ! TEMPLATE="$(python3 -c 'import pylorax; print(pylorax.find_templates())')"; then
TEMPLATE=/usr/share/lorax;
fi
""".replace('\n', '')
def make_image(f, opts):
mkisofs_kwargs = {}
if opts.buildinstall_method:
if opts.buildinstall_method == 'lorax':
emit(f, FIND_TEMPLATE_SNIPPET)
mkisofs_kwargs["boot_args"] = iso.get_boot_options(
opts.arch, os.path.join('$TEMPLATE', 'config_files/ppc'))
elif opts.buildinstall_method == 'buildinstall':
mkisofs_kwargs["boot_args"] = iso.get_boot_options(
opts.arch, "/usr/lib/anaconda-runtime/boot")
# ppc(64) doesn't seem to support utf-8
if opts.arch in ("ppc", "ppc64", "ppc64le"):
mkisofs_kwargs["input_charset"] = None
cmd = iso.get_mkisofs_cmd(opts.iso_name, None, volid=opts.volid,
exclude=["./lost+found"],
graft_points=opts.graft_points, **mkisofs_kwargs)
emit(f, cmd)
def implant_md5(f, opts):
cmd = iso.get_implantisomd5_cmd(opts.iso_name, opts.supported)
emit(f, cmd)
def run_isohybrid(f, opts):
"""If the image is bootable, it should include an MBR or GPT so that it can
be booted when written to USB disk. This is done by running isohybrid on
the image.
"""
if opts.buildinstall_method and opts.arch in ["x86_64", "i386"]:
cmd = iso.get_isohybrid_cmd(opts.iso_name, opts.arch)
emit(f, cmd)
def make_manifest(f, opts):
emit(f, iso.get_manifest_cmd(opts.iso_name))
def make_jigdo(f, opts):
jigdo = JigdoWrapper()
files = [
{
"path": opts.os_tree,
"label": None,
"uri": None,
}
]
cmd = jigdo.get_jigdo_cmd(os.path.join(opts.output_dir, opts.iso_name),
files, output_dir=opts.jigdo_dir,
no_servers=True, report="noprogress")
emit(f, cmd)
def write_script(opts, f):
if bool(opts.jigdo_dir) != bool(opts.os_tree):
raise RuntimeError('jigdo_dir must be used together with os_tree')
emit(f, "#!/bin/bash")
emit(f, "set -ex")
emit(f, "cd %s" % opts.output_dir)
make_image(f, opts)
run_isohybrid(f, opts)
implant_md5(f, opts)
make_manifest(f, opts)
if opts.jigdo_dir:
make_jigdo(f, opts)