def get_kernel_version_list():
"""Get a list of installed kernel versions.
:return: a list of kernel versions
"""
files = []
efi_dir = conf.bootloader.efi_dir
# Find all installed RPMs that provide 'kernel'.
ts = rpm.TransactionSet(conf.target.system_root)
mi = ts.dbMatch('providename', 'kernel')
for hdr in mi:
unicode_fnames = (decode_bytes(f) for f in hdr.filenames)
# Find all /boot/vmlinuz- files and strip off vmlinuz-.
files.extend(
(f.split("/")[-1][8:] for f in unicode_fnames
if fnmatch.fnmatch(f, "/boot/vmlinuz-*")
or fnmatch.fnmatch(f, "/boot/efi/EFI/%s/vmlinuz-*" % efi_dir)))
# Sort the kernel versions.
sort_kernel_version_list(files)
return files
def get_kernel_version_list_from_tar(tarfile_path):
with tarfile.open(tarfile_path) as archive:
names = archive.getnames()
# Strip out vmlinuz- from the names
kernel_version_list = [
n.split("/")[-1][8:] for n in names if "boot/vmlinuz-" in n
]
sort_kernel_version_list(kernel_version_list)
return kernel_version_list
def test_sort_kernel_version_list(self):
"""Test the sort_kernel_version_list function."""
# Test fake versions.
kernel_version_list = [
'9.1.1-100.f1',
'10.1.1-100.f1',
'1.9.1-100.f1',
'1.10.1-100.f1',
'1.1.9-100.f1',
'1.1.10-100.f1',
'1.1.1-999.f1',
'1.1.1-1000.f1',
'1.1.1-100.f1',
'1.1.1-100.f2',
]
sort_kernel_version_list(kernel_version_list)
assert kernel_version_list == [
'1.1.1-100.f1',
'1.1.1-100.f2',
'1.1.1-999.f1',
'1.1.1-1000.f1',
'1.1.9-100.f1',
'1.1.10-100.f1',
'1.9.1-100.f1',
'1.10.1-100.f1',
'9.1.1-100.f1',
'10.1.1-100.f1'
]
# Test real versions.
kernel_version_list = [
'5.8.16-200.fc32.x86_64',
'5.8.18-200.fc32.x86_64',
'5.10.0-0.rc4.78.fc34.x86_64',
'5.9.8-100.fc33.x86_64',
'5.8.18-300.fc33.x86_64',
'5.8.15-201.fc32.x86_64',
'5.9.8-200.fc33.x86_64',
]
sort_kernel_version_list(kernel_version_list)
assert kernel_version_list == [
'5.8.15-201.fc32.x86_64',
'5.8.16-200.fc32.x86_64',
'5.8.18-200.fc32.x86_64',
'5.8.18-300.fc33.x86_64',
'5.9.8-100.fc33.x86_64',
'5.9.8-200.fc33.x86_64',
'5.10.0-0.rc4.78.fc34.x86_64'
]
def get_kernel_version_list(root_path):
"""Get a list of installed kernel versions.
:param root_path: a path to the system root
:return: a list of kernel versions
"""
efi_dir = conf.bootloader.efi_dir
files = glob.glob(root_path + "/boot/vmlinuz-*")
files.extend(
glob.glob(root_path + "/boot/efi/EFI/{}/vmlinuz-*".format(efi_dir)))
kernel_version_list = [
f.split("/")[-1][8:] for f in files
if os.path.isfile(f) and "-rescue-" not in f
]
sort_kernel_version_list(kernel_version_list)
return kernel_version_list
