def detect_grub2_install(self):
if self._command_grub2_install:
return # Explicit command given, no detection needed
if self._config.bootloader_approach not in BOOTLOADER__HOST_GRUB2:
return # Host grub2-install not used, no detection needed
COMMAND_GRUB_INSTALL = 'grub-install'
COMMAND_GRUB2_INSTALL = 'grub2-install'
self._command_grub2_install = COMMAND_GRUB2_INSTALL
try:
find_command(self._command_grub2_install)
except OSError as e:
if e.errno != EXIT_COMMAND_NOT_FOUND:
raise
self._command_grub2_install = COMMAND_GRUB_INSTALL
try:
find_command(self._command_grub2_install)
except OSError as e:
if e.errno != EXIT_COMMAND_NOT_FOUND:
raise
# NOTE: consecutive search for "grub-install" will fail and
# be reported, so we don't need to raise here
return
self._protect_against_grub_legacy(self._command_grub2_install)
def detect_grub2_install(self):
if self._command_grub2_install:
return # Explicit command given, no detection needed
if self._config.bootloader_approach not in BOOTLOADER__HOST_GRUB2:
return # Host grub2-install not used, no detection needed
COMMAND_GRUB_INSTALL = 'grub-install'
COMMAND_GRUB2_INSTALL = 'grub2-install'
self._command_grub2_install = COMMAND_GRUB2_INSTALL
try:
find_command(self._command_grub2_install)
except OSError as e:
if e.errno != EXIT_COMMAND_NOT_FOUND:
raise
self._command_grub2_install = COMMAND_GRUB_INSTALL
try:
find_command(self._command_grub2_install)
except OSError as e:
if e.errno != EXIT_COMMAND_NOT_FOUND:
raise
# NOTE: consecutive search for "grub-install" will fail and
# be reported, so we don't need to raise here
return
self._protect_against_grub_legacy(self._command_grub2_install)
def _repair_var_lib_rpm(self, rpm_berkeley_db_version):
self._messenger.info('Repairing RPM package database...')
for db_dump_command in _get_db_dump_command_names(
rpm_berkeley_db_version):
try:
abs_path_db_dump = find_command(db_dump_command)
self._messenger.info('Checking for %s... %s' %
(db_dump_command, abs_path_db_dump))
break
except OSError:
self._messenger.info('Checking for %s... not found' %
db_dump_command)
pass
else:
raise OSError(EXIT_COMMAND_NOT_FOUND,
'No db*_dump command found in PATH.')
abs_path_packages = '/var/lib/rpm/Packages'
abs_full_path_packages = os.path.join(self._abs_target_dir,
abs_path_packages.lstrip('/'))
fd, abs_full_path_temp = tempfile.mkstemp(
prefix='Packages-',
suffix='.dump',
dir=os.path.dirname(abs_full_path_packages))
try:
os.close(fd)
abs_path_temp = os.path.join(os.path.dirname(abs_path_packages),
os.path.split(abs_full_path_temp)[-1])
# Export
self._executor.check_call([
abs_path_db_dump,
'-f',
abs_full_path_temp,
abs_full_path_packages,
])
os.remove(abs_full_path_packages)
# Import
self._executor.check_call([
COMMAND_CHROOT,
self._abs_target_dir,
'db_load',
'-f',
abs_path_temp,
abs_path_packages,
])
finally:
os.remove(abs_full_path_temp)