def parse_boot_cmdline(self, boot_cmdline):
"""
Parse the boot cmdline and create an appropriate Namespace instance
according to the option definitions set by add_argument.
boot_cmdline can be given as a string (to be parsed by BootArgs), or a
dict (or any object with .items()) of {bootarg:value} pairs.
If boot_cmdline is None, the boot_cmdline data will be whatever BootArgs reads
by default (/proc/cmdline, /run/initramfs/etc/cmdline, /etc/cmdline).
If an option requires a value but the boot arg doesn't provide one,
we'll quietly not set anything in the Namespace. We also skip any boot options
that were not specified by add_argument as we don't care about them
(there will usually be quite a lot of them (rd.*, etc.).
:param boot_cmdline: the Anaconda boot command line arguments
:type boot_cmdline: string, dict or None
:returns: an argparse Namespace instance
:rtype: Namespace
"""
namespace = Namespace()
if boot_cmdline is None or isinstance(boot_cmdline, types.StringType):
bootargs = BootArgs(boot_cmdline)
else:
bootargs = boot_cmdline
self.deprecated_bootargs = []
# go over all options corresponding to current boot cmdline
# and do any modifications necessary
# NOTE: program cmdline overrides boot cmdline
for arg, val in bootargs.items():
option = self._get_bootarg_option(arg)
if option is None:
# this boot option is unknown to Anaconda, skip it
continue
if option.nargs != 0 and val is None:
# nargs == 0 -> the option expects one or more arguments but the
# boot option was not given any, so we skip it
log.warning("boot option specified without expected number of "
"arguments and will be ignored: %s", arg)
continue
if option.nargs == 0 and option.const is not None:
# nargs == 0 & constr == True -> store_true
# (we could also check the class, but it begins with an
# underscore, so it would be ugly)
# special case: "mpath=0" would otherwise set mpath to True
if option.const is True and val in ("0", "no", "off"):
setattr(namespace, option.dest, False)
# Set all other set_const cases to the const specified
else:
setattr(namespace, option.dest, option.const)
# anaconda considers cases such as noselinux=off to be a negative
# concord, which is to say that selinux will be set to False and
# we hate you.
continue
setattr(namespace, option.dest, val)
return namespace
def parse_boot_cmdline(self, cmdline, values=None):
"""
Parse the boot cmdline and set appropriate values according to
the options set by add_option.
cmdline can be given as a string (to be parsed by BootArgs), or a
dict (or any object with .iteritems()) of {bootarg:value} pairs.
If cmdline is None, the cmdline data will be whatever BootArgs reads
by default (/proc/cmdline, /run/initramfs/etc/cmdline, /etc/cmdline).
If an option requires a value but the boot arg doesn't provide one,
we'll quietly not set anything.
"""
if cmdline is None or type(cmdline) is str:
bootargs = BootArgs(cmdline)
else:
bootargs = cmdline
self.deprecated_bootargs = []
for arg, val in bootargs.iteritems():
option = self._get_bootarg_option(arg)
if option is None:
continue
if option.takes_value() and val is None:
continue # TODO: emit a warning or something there?
if option.action == "store_true" and val in ("0", "no", "off"):
# special case: "mpath=0" would otherwise set mpath to True
setattr(values, option.dest, False)
continue
option.process(arg, val, values, self)
return values
def parse_boot_cmdline(self, boot_cmdline):
"""
Parse the boot cmdline and create an appropriate Namespace instance
according to the option definitions set by add_argument.
boot_cmdline can be given as a string (to be parsed by BootArgs), or a
dict (or any object with .items()) of {bootarg:value} pairs.
If boot_cmdline is None, the boot_cmdline data will be whatever BootArgs reads
by default (/proc/cmdline, /run/initramfs/etc/cmdline, /etc/cmdline).
If an option requires a value but the boot arg doesn't provide one,
we'll quietly not set anything in the Namespace. We also skip any boot options
that were not specified by add_argument as we don't care about them
(there will usually be quite a lot of them (rd.*, etc.).
:param boot_cmdline: the Anaconda boot command line arguments
:type boot_cmdline: string, dict or None
:returns: an argparse Namespace instance
:rtype: Namespace
"""
namespace = Namespace()
if boot_cmdline is None or isinstance(boot_cmdline, str):
bootargs = BootArgs(boot_cmdline)
else:
bootargs = boot_cmdline
self.deprecated_bootargs = []
# go over all options corresponding to current boot cmdline
# and do any modifications necessary
# NOTE: program cmdline overrides boot cmdline
for arg, val in bootargs.items():
option = self._get_bootarg_option(arg)
if option is None:
# this boot option is unknown to Anaconda, skip it
continue
if option.nargs != 0 and val is None:
# nargs == 0 -> the option expects one or more arguments but the
# boot option was not given any, so we skip it
log.warning("boot option specified without expected number of "
"arguments and will be ignored: %s", arg)
continue
if option.nargs == 0 and option.const is not None:
# nargs == 0 & constr == True -> store_true
# (we could also check the class, but it begins with an
# underscore, so it would be ugly)
# special case: "mpath=0" would otherwise set mpath to True
if option.const is True and val in ("0", "no", "off"):
setattr(namespace, option.dest, False)
# Set all other set_const cases to the const specified
else:
setattr(namespace, option.dest, option.const)
# anaconda considers cases such as noselinux=off to be a negative
# concord, which is to say that selinux will be set to False and
# we hate you.
continue
option(self, namespace, val)
return namespace
def parse_boot_cmdline(self, cmdline, values=None):
"""
Parse the boot cmdline and set appropriate values according to
the options set by add_option.
cmdline can be given as a string (to be parsed by BootArgs), or a
dict (or any object with .iteritems()) of {bootarg:value} pairs.
If cmdline is None, the cmdline data will be whatever BootArgs reads
by default (/proc/cmdline, /run/initramfs/etc/cmdline, /etc/cmdline).
If an option requires a value but the boot arg doesn't provide one,
we'll quietly not set anything.
"""
if cmdline is None or type(cmdline) is str:
bootargs = BootArgs(cmdline)
else:
bootargs = cmdline
self.deprecated_bootargs = []
for arg, val in bootargs.iteritems():
option = self._get_bootarg_option(arg)
if option is None:
continue
if option.takes_value() and val is None:
continue # TODO: emit a warning or something there?
if option.action == "store_true" and val in ("0", "no", "off"):
# special case: "mpath=0" would otherwise set mpath to True
setattr(values, option.dest, False)
continue
option.process(arg, val, values, self)
return values
def display_mode_test(self):
opts, _deprecated = self._parseCmdline(['--cmdline'])
self.assertEqual(opts.display_mode, DisplayModes.TUI)
self.assertTrue(opts.noninteractive)
opts, _deprecated = self._parseCmdline(['--graphical'])
self.assertEqual(opts.display_mode, DisplayModes.GUI)
self.assertFalse(opts.noninteractive)
opts, _deprecated = self._parseCmdline(['--text'])
self.assertEqual(opts.display_mode, DisplayModes.TUI)
self.assertFalse(opts.noninteractive)
opts, _deprecated = self._parseCmdline(['--noninteractive'])
self.assertTrue(opts.noninteractive)
# Test the default
opts, _deprecated = self._parseCmdline([])
self.assertEqual(opts.display_mode, DisplayModes.GUI)
self.assertFalse(opts.noninteractive)
# console=whatever in the boot args defaults to --text
opts, _deprecated = self._parseCmdline(
[], boot_cmdline=BootArgs("console=/dev/ttyS0"))
self.assertEqual(opts.display_mode, DisplayModes.TUI)
def display_mode_test(self):
opts, _deprecated = self._parseCmdline(['--cmdline'])
self.assertEqual(opts.display_mode, 'c')
opts, _deprecated = self._parseCmdline(['--graphical'])
self.assertEqual(opts.display_mode, 'g')
opts, _deprecated = self._parseCmdline(['--text'])
self.assertEqual(opts.display_mode, 't')
# Test the default
opts, _deprecated = self._parseCmdline([])
self.assertEqual(opts.display_mode, 'g')
# console=whatever in the boot args defaults to --text
opts, _deprecated = self._parseCmdline(
[], boot_cmdline=BootArgs("console=/dev/ttyS0"))
self.assertEqual(opts.display_mode, 't')
