mirror of
https://github.com/ostreedev/ostree.git
synced 2024-12-23 21:35:26 +03:00
105 lines
3.4 KiB
Python
105 lines
3.4 KiB
Python
#!/usr/bin/python3
|
|
#
|
|
# Copyright (C) 2015 Red Hat
|
|
#
|
|
# This library is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU Lesser General Public
|
|
# License as published by the Free Software Foundation; either
|
|
# version 2 of the License, or (at your option) any later version.
|
|
#
|
|
# This library is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
# License along with this library. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
import os
|
|
import sys
|
|
import functools
|
|
|
|
if len(sys.argv) == 1:
|
|
loaderpath = '/boot/loader/entries'
|
|
grub2path = '/boot/grub2/grub.cfg'
|
|
else:
|
|
loaderpath = sys.argv[1]
|
|
grub2path = sys.argv[2]
|
|
|
|
def fatal(msg):
|
|
sys.stderr.write(msg)
|
|
sys.stderr.write('\n')
|
|
sys.exit(1)
|
|
|
|
def compare_entries_descending(a, b):
|
|
return int(b['version']) - int(a['version'])
|
|
|
|
def get_ostree_option(optionstring):
|
|
for o in optionstring.split():
|
|
if o.startswith('ostree='):
|
|
return o[8:]
|
|
raise ValueError('ostree= not found')
|
|
|
|
entries = []
|
|
grub2_entries = []
|
|
|
|
# Parse loader configs
|
|
for fname in os.listdir(loaderpath):
|
|
path = os.path.join(loaderpath, fname)
|
|
with open(path) as f:
|
|
entry = {}
|
|
for line in f:
|
|
line = line.strip()
|
|
if (line == '' or line.startswith('#')):
|
|
continue
|
|
s = line.find(' ')
|
|
assert s > 0
|
|
k = line[0:s]
|
|
v = line[s+1:]
|
|
entry[k] = v
|
|
entries.append(entry)
|
|
entries.sort(key=functools.cmp_to_key(compare_entries_descending))
|
|
|
|
# Parse GRUB2 config
|
|
with open(grub2path) as f:
|
|
in_ostree_config = False
|
|
grub2_entry = None
|
|
for line in f:
|
|
if line.startswith('### BEGIN /etc/grub.d/15_ostree ###'):
|
|
in_ostree_config = True
|
|
elif line.startswith('### END /etc/grub.d/15_ostree ###'):
|
|
in_ostree_config = False
|
|
if grub2_entry is not None:
|
|
grub2_entries.append(grub2_entry)
|
|
elif in_ostree_config:
|
|
if line.startswith('menuentry '):
|
|
if grub2_entry is not None:
|
|
grub2_entries.append(grub2_entry)
|
|
grub2_entry = {}
|
|
elif line.startswith('linux'):
|
|
parts = line.split()
|
|
grub2_entry['linux'] = parts[1]
|
|
grub2_entry['options'] = ' '.join(parts[2:])
|
|
elif line.startswith('initrd'):
|
|
grub2_entry['initrd'] = line.split()[1]
|
|
|
|
if len(entries) != len(grub2_entries):
|
|
fatal("Found {0} loader entries, but {1} GRUB2 entries\n".format(len(entries), len(grub2_entries)))
|
|
|
|
def assert_matches_key(a, b, key):
|
|
aval = a[key]
|
|
bval = b[key]
|
|
if aval != bval:
|
|
fatal("Mismatch on {0}: {1} != {2}".format(key, aval, bval))
|
|
|
|
for i,(entry,grub2entry) in enumerate(zip(entries, grub2_entries)):
|
|
assert_matches_key(entry, grub2entry, 'linux')
|
|
assert_matches_key(entry, grub2entry, 'initrd')
|
|
entry_ostree = get_ostree_option(entry['options'])
|
|
grub2_ostree = get_ostree_option(grub2entry['options'])
|
|
if entry_ostree != grub2_ostree:
|
|
fatal("Mismatch on ostree option: {0} != {1}".format(entry_ostree, grub2_ostree))
|
|
|
|
sys.stdout.write('GRUB2 configuration validated\n')
|
|
sys.exit(0)
|