def _comment_keys_from_ifcfg_files(self,
keys,
interfaces=None,
backup_file_suffix=".bak"):
""" Comments the provided list of keys from all 'ifcfg-*' files.
Optinally skips ifcfg files for interfaces not listed in 'interfaces'.
"""
if not interfaces:
interfaces = []
scripts_dir = os.path.join(self._os_root_dir,
"etc/sysconfig/network-scripts")
all_ifcfg_files = utils.list_ssh_dir(self._ssh, scripts_dir)
regex = "^(ifcfg-[a-z0-9]+)$"
for ifcfgf in all_ifcfg_files:
if not re.match(regex, ifcfgf):
LOG.debug("Skipping ifcfg file with unknown filename '%s'." %
ifcfgf)
continue
if interfaces and not any([i in ifcfgf for i in interfaces]):
LOG.debug(
"Skipping ifcfg file '%s' as it's not for one of the "
"requested interfaces (%s)", ifcfgf, interfaces)
continue
fullpath = os.path.join(scripts_dir, ifcfgf)
for key in keys:
self._exec_cmd("sudo sed -i%s -E -e 's/^(%s=.*)$/# \\1/g' %s" %
(backup_file_suffix, key, fullpath))
LOG.debug("Commented all %s references from '%s'" %
(keys, fullpath))
def _find_dev_with_contents(self, devices, all_files=None,
one_of_files=None):
if all_files and one_of_files:
raise exception.CoriolisException(
"all_files and one_of_files are mutually exclusive")
dev_name = None
for dev_path in devices:
dirs = None
tmp_dir = self._exec_cmd('mktemp -d').decode().splitlines()[0]
try:
self._exec_cmd('sudo mount %s %s' % (dev_path, tmp_dir))
# NOTE: it's possible that the device was mounted successfully
# but an I/O error occurs later along the line:
dirs = utils.list_ssh_dir(self._ssh, tmp_dir)
except Exception:
self._event_manager.progress_update(
"Failed to mount and scan device '%s'" % dev_path)
LOG.warn(
"Failed to mount and scan device '%s':\n%s",
dev_path, utils.get_exception_details())
utils.ignore_exceptions(self._exec_cmd)(
"sudo umount %s" % tmp_dir
)
utils.ignore_exceptions(self._exec_cmd)(
"sudo rmdir %s" % tmp_dir
)
continue
LOG.debug("Contents of device %s:\n%s", dev_path, dirs)
if all_files and dirs:
common = [i if i in dirs else None for i in all_files]
if not all(common):
self._exec_cmd('sudo umount %s' % tmp_dir)
continue
dev_name = dev_path
self._exec_cmd('sudo umount %s' % tmp_dir)
elif one_of_files and dirs:
common = [i for i in one_of_files if i in dirs]
if len(common) > 0:
dev_name = dev_path
self._exec_cmd('sudo umount %s' % tmp_dir)
break
else:
self._exec_cmd('sudo umount %s' % tmp_dir)
continue
return dev_name
def _list_dir(self, chroot_path):
path = os.path.join(self._os_root_dir, chroot_path)
return utils.list_ssh_dir(self._ssh, path)
def _list_dir(self, chroot_path):
path = os.path.join(self._os_root_dir, chroot_path)
return utils.list_ssh_dir(self._ssh, path)
