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virt-manager
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virt-manager/virtinst/cli.py

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#
# Utility functions for the command line drivers
#
# Copyright 2006-2007, 2013, 2014 Red Hat, Inc.
# Jeremy Katz <katzj@redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA.
import argparse
import collections
import logging
import logging.handlers
import os
import re
import shlex
import subprocess
import sys
import traceback
import libvirt
from virtcli import CLIConfig
from . import util
from .clock import Clock
from .cpu import CPU
from .deviceaudio import VirtualAudio
from .devicechar import (VirtualChannelDevice, VirtualConsoleDevice,
VirtualSerialDevice, VirtualParallelDevice)
from .devicecontroller import VirtualController
from .devicedisk import VirtualDisk
from .devicefilesystem import VirtualFilesystem
from .devicegraphics import VirtualGraphics
from .devicehostdev import VirtualHostDevice
from .deviceinput import VirtualInputDevice
from .deviceinterface import VirtualNetworkInterface
from .devicememballoon import VirtualMemballoon
from .devicepanic import VirtualPanicDevice
from .deviceredirdev import VirtualRedirDevice
from .devicerng import VirtualRNGDevice
from .devicesmartcard import VirtualSmartCardDevice
from .devicetpm import VirtualTPMDevice
from .devicevideo import VirtualVideoDevice
from .devicewatchdog import VirtualWatchdog
from .domainblkiotune import DomainBlkiotune
from .domainfeatures import DomainFeatures
from .domainmemorybacking import DomainMemorybacking
from .domainmemorytune import DomainMemorytune
from .domainnumatune import DomainNumatune
from .domainresource import DomainResource
from .idmap import IdMap
from .nodedev import NodeDevice
from .osxml import OSXML
from .pm import PM
from .seclabel import Seclabel
from .storage import StoragePool, StorageVolume
from .sysinfo import SYSInfo
##########################
# Global option handling #
##########################
class _GlobalState(object):
def __init__(self):
self.quiet = False
self.all_checks = None
self._validation_checks = {}
def set_validation_check(self, checkname, val):
self._validation_checks[checkname] = val
def get_validation_check(self, checkname):
if self.all_checks is not None:
return self.all_checks
# Default to True for all checks
return self._validation_checks.get(checkname, True)
_globalstate = None
def get_global_state():
return _globalstate
def _reset_global_state():
global _globalstate
_globalstate = _GlobalState()
####################
# CLI init helpers #
####################
class VirtStreamHandler(logging.StreamHandler):
def emit(self, record):
"""
Based on the StreamHandler code from python 2.6: ripping out all
the unicode handling and just unconditionally logging seems to fix
logging backtraces with unicode locales (for me at least).
No doubt this is atrocious, but it WORKSFORME!
"""
try:
msg = self.format(record)
stream = self.stream
fs = "%s\n"
stream.write(fs % msg)
self.flush()
except (KeyboardInterrupt, SystemExit):
raise
except:
self.handleError(record)
class VirtHelpFormatter(argparse.RawDescriptionHelpFormatter):
'''
Subclass the default help formatter to allow printing newline characters
in --help output. The way we do this is a huge hack :(
Inspiration: http://groups.google.com/group/comp.lang.python/browse_thread/thread/6df6e6b541a15bc2/09f28e26af0699b1
'''
oldwrap = None
def _split_lines(self, *args, **kwargs):
def return_default():
return argparse.RawDescriptionHelpFormatter._split_lines(
self, *args, **kwargs)
if len(kwargs) != 0 and len(args) != 2:
return return_default()
try:
text = args[0]
if "\n" in text:
return text.splitlines()
return return_default()
except:
return return_default()
def setupParser(usage, description, introspection_epilog=False):
epilog = _("See man page for examples and full option syntax.")
if introspection_epilog:
epilog = _("Use '--option=?' or '--option help' to see "
"available suboptions") + "\n" + epilog
parser = argparse.ArgumentParser(
usage=usage, description=description,
formatter_class=VirtHelpFormatter,
epilog=epilog)
parser.add_argument('--version', action='version',
version=CLIConfig.version)
return parser
def earlyLogging():
logging.basicConfig(level=logging.DEBUG, format='%(message)s')
def setupLogging(appname, debug_stdout, do_quiet, cli_app=True):
_reset_global_state()
get_global_state().quiet = do_quiet
vi_dir = None
logfile = None
if not _in_testsuite():
vi_dir = util.get_cache_dir()
logfile = os.path.join(vi_dir, appname + ".log")
try:
if vi_dir and not os.access(vi_dir, os.W_OK):
if os.path.exists(vi_dir):
raise RuntimeError("No write access to directory %s" % vi_dir)
try:
os.makedirs(vi_dir, 0751)
except IOError, e:
raise RuntimeError("Could not create directory %s: %s" %
(vi_dir, e))
if (logfile and
os.path.exists(logfile) and
not os.access(logfile, os.W_OK)):
raise RuntimeError("No write access to logfile %s" % logfile)
except Exception, e:
logging.warning("Error setting up logfile: %s", e)
logfile = None
dateFormat = "%a, %d %b %Y %H:%M:%S"
fileFormat = ("[%(asctime)s " + appname + " %(process)d] "
"%(levelname)s (%(module)s:%(lineno)d) %(message)s")
streamErrorFormat = "%(levelname)-8s %(message)s"
rootLogger = logging.getLogger()
# Undo early logging
for handler in rootLogger.handlers:
rootLogger.removeHandler(handler)
rootLogger.setLevel(logging.DEBUG)
if logfile:
fileHandler = logging.handlers.RotatingFileHandler(
logfile, "ae", 1024 * 1024, 5)
fileHandler.setFormatter(
logging.Formatter(fileFormat, dateFormat))
rootLogger.addHandler(fileHandler)
streamHandler = VirtStreamHandler(sys.stderr)
if debug_stdout:
streamHandler.setLevel(logging.DEBUG)
streamHandler.setFormatter(logging.Formatter(fileFormat,
dateFormat))
elif cli_app or not logfile:
if get_global_state().quiet:
level = logging.ERROR
else:
level = logging.WARN
streamHandler.setLevel(level)
streamHandler.setFormatter(logging.Formatter(streamErrorFormat))
else:
streamHandler = None
if streamHandler:
rootLogger.addHandler(streamHandler)
util.register_libvirt_error_handler()
# Log uncaught exceptions
def exception_log(typ, val, tb):
logging.debug("Uncaught exception:\n%s",
"".join(traceback.format_exception(typ, val, tb)))
sys.__excepthook__(typ, val, tb)
sys.excepthook = exception_log
logging.getLogger("requests").setLevel(logging.ERROR)
# Log the app command string
logging.debug("Launched with command line: %s", " ".join(sys.argv))
def _in_testsuite():
return "VIRTINST_TEST_SUITE" in os.environ
##############################
# Libvirt connection helpers #
##############################
def getConnection(uri):
from .connection import VirtualConnection
logging.debug("Requesting libvirt URI %s", (uri or "default"))
conn = VirtualConnection(uri)
conn.open(_do_creds_authname)
conn.cache_object_fetch = True
logging.debug("Received libvirt URI %s", conn.uri)
return conn
# SASL username/pass auth
def _do_creds_authname(creds):
retindex = 4
for cred in creds:
credtype, prompt, ignore, ignore, ignore = cred
prompt += ": "
res = cred[retindex]
if credtype == libvirt.VIR_CRED_AUTHNAME:
res = raw_input(prompt)
elif credtype == libvirt.VIR_CRED_PASSPHRASE:
import getpass
res = getpass.getpass(prompt)
else:
raise RuntimeError("Unknown auth type in creds callback: %d" %
credtype)
cred[retindex] = res
return 0
##############################
# Misc CLI utility functions #
##############################
def fail(msg, do_exit=True):
"""
Convenience function when failing in cli app
"""
logging.debug("".join(traceback.format_stack()))
logging.error(msg)
if traceback.format_exc().strip() != "None":
logging.debug("", exc_info=True)
if do_exit:
_fail_exit()
def print_stdout(msg, do_force=False):
if do_force or not get_global_state().quiet:
print msg
def print_stderr(msg):
logging.debug(msg)
print >> sys.stderr, msg
def _fail_exit():
sys.exit(1)
def nice_exit():
print_stdout(_("Exiting at user request."))
sys.exit(0)
def virsh_start_cmd(guest):
return ("virsh --connect %s start %s" % (guest.conn.uri, guest.name))
def install_fail(guest):
virshcmd = virsh_start_cmd(guest)
print_stderr(
_("Domain installation does not appear to have been successful.\n"
"If it was, you can restart your domain by running:\n"
" %s\n"
"otherwise, please restart your installation.") % virshcmd)
sys.exit(1)
def set_prompt(prompt):
# Set whether we allow prompts, or fail if a prompt pops up
if prompt:
logging.warning("--prompt mode is no longer supported.")
def validate_disk(dev, warn_overwrite=False):
def _optional_fail(msg, checkname):
do_check = get_global_state().get_validation_check(checkname)
if do_check:
fail(msg + (_(" (Use --check %s=off or "
"--check all=off to override)") % checkname))
logging.debug("Skipping --check %s error condition '%s'",
checkname, msg)
logging.warn(msg)
def check_path_exists(dev):
"""
Prompt if disk file already exists and preserve mode is not used
"""
if not warn_overwrite:
return
if not VirtualDisk.path_definitely_exists(dev.conn, dev.path):
return
_optional_fail(
_("This will overwrite the existing path '%s'") % dev.path,
"path_exists")
def check_inuse_conflict(dev):
"""
Check if disk is inuse by another guest
"""
names = dev.is_conflict_disk()
if not names:
return
_optional_fail(_("Disk %s is already in use by other guests %s." %
(dev.path, names)),
"path_in_use")
def check_size_conflict(dev):
"""
Check if specified size exceeds available storage
"""
isfatal, errmsg = dev.is_size_conflict()
# The isfatal case should have already caused us to fail
if not isfatal and errmsg:
_optional_fail(errmsg, "disk_size")
def check_path_search(dev):
user, broken_paths = dev.check_path_search(dev.conn, dev.path)
if not broken_paths:
return
logging.warning(_("%s may not be accessible by the hypervisor. "
"You will need to grant the '%s' user search permissions for "
"the following directories: %s"), dev.path, user, broken_paths)
check_path_exists(dev)
check_inuse_conflict(dev)
check_size_conflict(dev)
check_path_search(dev)
def _run_console(guest, args):
logging.debug("Running: %s", " ".join(args))
if _in_testsuite():
# Add this destroy() in here to trigger more virt-install code
# for the test suite
guest.domain.destroy()
return None
child = os.fork()
if child:
return child
os.execvp(args[0], args)
os._exit(1) # pylint: disable=protected-access
def _gfx_console(guest):
args = ["virt-viewer",
"--connect", guest.conn.uri,
"--wait", guest.name]
# Currently virt-viewer needs attaching to the local display while
# spice gl is enabled.
if guest.has_gl():
args.append("--attach")
logging.debug("Launching virt-viewer for graphics type '%s'",
guest.get_devices("graphics")[0].type)
return _run_console(guest, args)
def _txt_console(guest):
args = ["virsh",
"--connect", guest.conn.uri,
"console", guest.name]
logging.debug("Connecting to text console")
return _run_console(guest, args)
def connect_console(guest, consolecb, wait):
"""
Launched the passed console callback for the already defined
domain. If domain isn't running, return an error.
"""
child = None
if consolecb:
child = consolecb(guest)
if not child or not wait:
return
# If we connected the console, wait for it to finish
try:
os.waitpid(child, 0)
except OSError, e:
logging.debug("waitpid: %s: %s", e.errno, e.message)
def get_console_cb(guest):
gdevs = guest.get_devices("graphics")
if not gdevs:
return _txt_console
gtype = gdevs[0].type
if gtype not in ["default",
VirtualGraphics.TYPE_VNC,
VirtualGraphics.TYPE_SPICE]:
logging.debug("No viewer to launch for graphics type '%s'", gtype)
return
if not _in_testsuite():
try:
subprocess.check_output(["virt-viewer", "--version"])
except OSError:
logging.warn(_("Unable to connect to graphical console: "
"virt-viewer not installed. Please install "
"the 'virt-viewer' package."))
return None
if not os.environ.get("DISPLAY", ""):
logging.warn(_("Graphics requested but DISPLAY is not set. "
"Not running virt-viewer."))
return None
return _gfx_console
def get_meter():
quiet = (get_global_state().quiet or _in_testsuite())
return util.make_meter(quiet=quiet)
###########################
# Common CLI option/group #
###########################
def add_connect_option(parser, invoker=None):
if invoker == "virt-xml":
parser.add_argument("-c", "--connect", metavar="URI",
help=_("Connect to hypervisor with libvirt URI"))
else:
parser.add_argument("--connect", metavar="URI",
help=_("Connect to hypervisor with libvirt URI"))
def add_misc_options(grp, prompt=False, replace=False,
printxml=False, printstep=False,
noreboot=False, dryrun=False,
noautoconsole=False):
if prompt:
grp.add_argument("--prompt", action="store_true",
default=False, help=argparse.SUPPRESS)
grp.add_argument("--force", action="store_true",
default=False, help=argparse.SUPPRESS)
if noautoconsole:
grp.add_argument("--noautoconsole", action="store_false",
dest="autoconsole", default=True,
help=_("Don't automatically try to connect to the guest console"))
if noreboot:
grp.add_argument("--noreboot", action="store_true",
help=_("Don't boot guest after completing install."))
if replace:
grp.add_argument("--replace", action="store_true",
help=_("Don't check name collision, overwrite any guest "
"with the same name."))
if printxml:
print_kwargs = {
"dest": "xmlonly",
"default": False,
"help": _("Print the generated domain XML rather than create "
"the guest."),
}
if printstep:
print_kwargs["nargs"] = "?"
print_kwargs["const"] = "all"
else:
print_kwargs["action"] = "store_true"
grp.add_argument("--print-xml", **print_kwargs)
if printstep:
# Back compat, argparse allows us to use --print-xml
# for everything.
grp.add_argument("--print-step", dest="xmlstep",
help=argparse.SUPPRESS)
if dryrun:
grp.add_argument("--dry-run", action="store_true", dest="dry",
help=_("Run through install process, but do not "
"create devices or define the guest."))
if prompt:
grp.add_argument("--check",
help=_("Enable or disable validation checks. Example:\n"
"--check path_in_use=off\n"
"--check all=off"))
grp.add_argument("-q", "--quiet", action="store_true",
help=_("Suppress non-error output"))
grp.add_argument("-d", "--debug", action="store_true",
help=_("Print debugging information"))
def add_metadata_option(grp):
grp.add_argument("--metadata",
help=_("Configure guest metadata. Ex:\n"
"--metadata name=foo,title=\"My pretty title\",uuid=...\n"
"--metadata description=\"My nice long description\""))
def add_memory_option(grp, backcompat=False):
grp.add_argument("--memory",
help=_("Configure guest memory allocation. Ex:\n"
"--memory 1024 (in MiB)\n"
"--memory 512,maxmemory=1024"))
if backcompat:
grp.add_argument("-r", "--ram", type=int, dest="oldmemory",
help=argparse.SUPPRESS)
def vcpu_cli_options(grp, backcompat=True, editexample=False):
grp.add_argument("--vcpus",
help=_("Number of vcpus to configure for your guest. Ex:\n"
"--vcpus 5\n"
"--vcpus 5,maxcpus=10,cpuset=1-4,6,8\n"
"--vcpus sockets=2,cores=4,threads=2,"))
extramsg = "--cpu host"
if editexample:
extramsg = "--cpu host-model,clearxml=yes"
grp.add_argument("--cpu",
help=_("CPU model and features. Ex:\n"
"--cpu coreduo,+x2apic\n") + extramsg)
if backcompat:
grp.add_argument("--check-cpu", action="store_true",
help=argparse.SUPPRESS)
grp.add_argument("--cpuset", help=argparse.SUPPRESS)
def add_gfx_option(devg):
devg.add_argument("--graphics", action="append",
help=_("Configure guest display settings. Ex:\n"
"--graphics vnc\n"
"--graphics spice,port=5901,tlsport=5902\n"
"--graphics none\n"
"--graphics vnc,password=foobar,port=5910,keymap=ja"))
def add_net_option(devg):
devg.add_argument("-w", "--network", action="append",
help=_("Configure a guest network interface. Ex:\n"
"--network bridge=mybr0\n"
"--network network=my_libvirt_virtual_net\n"
"--network network=mynet,model=virtio,mac=00:11...\n"
"--network none\n"
"--network help"))
def add_device_options(devg, sound_back_compat=False):
devg.add_argument("--controller", action="append",
help=_("Configure a guest controller device. Ex:\n"
"--controller type=usb,model=ich9-ehci1"))
devg.add_argument("--input", action="append",
help=_("Configure a guest input device. Ex:\n"
"--input tablet\n"
"--input keyboard,bus=usb"))
devg.add_argument("--serial", action="append",
help=_("Configure a guest serial device"))
devg.add_argument("--parallel", action="append",
help=_("Configure a guest parallel device"))
devg.add_argument("--channel", action="append",
help=_("Configure a guest communication channel"))
devg.add_argument("--console", action="append",
help=_("Configure a text console connection between "
"the guest and host"))
devg.add_argument("--hostdev", action="append",
help=_("Configure physical USB/PCI/etc host devices "
"to be shared with the guest"))
devg.add_argument("--filesystem", action="append",
help=_("Pass host directory to the guest. Ex: \n"
"--filesystem /my/source/dir,/dir/in/guest\n"
"--filesystem template_name,/,type=template"))
# Back compat name
devg.add_argument("--host-device", action="append", dest="hostdev",
help=argparse.SUPPRESS)
# --sound used to be a boolean option, hence the nargs handling
sound_kwargs = {
"action": "append",
"help": _("Configure guest sound device emulation"),
}
if sound_back_compat:
sound_kwargs["nargs"] = '?'
devg.add_argument("--sound", **sound_kwargs)
if sound_back_compat:
devg.add_argument("--soundhw", action="append", dest="sound",
help=argparse.SUPPRESS)
devg.add_argument("--watchdog", action="append",
help=_("Configure a guest watchdog device"))
devg.add_argument("--video", action="append",
help=_("Configure guest video hardware."))
devg.add_argument("--smartcard", action="append",
help=_("Configure a guest smartcard device. Ex:\n"
"--smartcard mode=passthrough"))
devg.add_argument("--redirdev", action="append",
help=_("Configure a guest redirection device. Ex:\n"
"--redirdev usb,type=tcp,server=192.168.1.1:4000"))
devg.add_argument("--memballoon", action="append",
help=_("Configure a guest memballoon device. Ex:\n"
"--memballoon model=virtio"))
devg.add_argument("--tpm", action="append",
help=_("Configure a guest TPM device. Ex:\n"
"--tpm /dev/tpm"))
devg.add_argument("--rng", action="append",
help=_("Configure a guest RNG device. Ex:\n"
"--rng /dev/random"))
devg.add_argument("--panic", action="append",
help=_("Configure a guest panic device. Ex:\n"
"--panic default"))
def add_guest_xml_options(geng):
geng.add_argument("--security", action="append",
help=_("Set domain security driver configuration."))
geng.add_argument("--numatune",
help=_("Tune NUMA policy for the domain process."))
geng.add_argument("--memtune", action="append",
help=_("Tune memory policy for the domain process."))
geng.add_argument("--blkiotune", action="append",
help=_("Tune blkio policy for the domain process."))
geng.add_argument("--memorybacking", action="append",
help=_("Set memory backing policy for the domain process. Ex:\n"
"--memorybacking hugepages=on"))
geng.add_argument("--features",
help=_("Set domain <features> XML. Ex:\n"
"--features acpi=off\n"
"--features apic=on,eoi=on"))
geng.add_argument("--clock",
help=_("Set domain <clock> XML. Ex:\n"
"--clock offset=localtime,rtc_tickpolicy=catchup"))
geng.add_argument("--pm",
help=_("Configure VM power management features"))
geng.add_argument("--events",
help=_("Configure VM lifecycle management policy"))
geng.add_argument("--resource", action="append",
help=_("Configure VM resource partitioning (cgroups)"))
geng.add_argument("--sysinfo", action="append",
help=_("Configure SMBIOS System Information. Ex:\n"
"--sysinfo emulate\n"
"--sysinfo host\n"
"--sysinfo bios_vendor=Vendor_Inc.,bios_version=1.2.3-abc,...\n"
"--sysinfo system_manufacturer=System_Corp.,system_product=Computer,...\n"
"--sysinfo baseBoard_manufacturer=Baseboard_Corp.,baseBoard_product=Motherboard,...\n"))
def add_boot_options(insg):
insg.add_argument("--boot",
help=_("Configure guest boot settings. Ex:\n"
"--boot hd,cdrom,menu=on\n"
"--boot init=/sbin/init (for containers)"))
insg.add_argument("--idmap",
help=_("Enable user namespace for LXC container. Ex:\n"
"--idmap uid_start=0,uid_target=1000,uid_count=10"))
def add_disk_option(stog, editexample=False):
editmsg = ""
if editexample:
editmsg += "\n--disk cache= (unset cache)"
stog.add_argument("--disk", action="append",
help=_("Specify storage with various options. Ex.\n"
"--disk size=10 (new 10GiB image in default location)\n"
"--disk /my/existing/disk,cache=none\n"
"--disk device=cdrom,bus=scsi\n"
"--disk=?") + editmsg)
#############################################
# CLI complex parsing helpers #
# (for options like --disk, --network, etc. #
#############################################
def _raw_on_off_convert(s):
tvalues = ["y", "yes", "1", "true", "t", "on"]
fvalues = ["n", "no", "0", "false", "f", "off"]
s = (s or "").lower()
if s in tvalues:
return True
elif s in fvalues:
return False
return None
def _on_off_convert(key, val):
if val is None:
return None
val = _raw_on_off_convert(val)
if val is not None:
return val
raise fail(_("%(key)s must be 'yes' or 'no'") % {"key": key})
class _VirtCLIArgument(object):
"""
A single subargument passed to compound command lines like --disk,
--network, etc.
@attrname: The virtinst API attribute name the cliargument maps to.
If this is a virtinst object method, it will be called.
@cliname: The command line option name, 'path' for path=FOO
@cb: Rather than set an attribute directly on the virtinst
object, (self, inst, val, virtarg) to this callback to handle it.
@ignore_default: If the value passed on the cli is 'default', don't
do anything.
@can_comma: If True, this option is expected to have embedded commas.
After the parser sees this option, it will iterate over the
option string until it finds another known argument name:
everything prior to that argument name is considered part of
the value of this option, '=' included. Should be used sparingly.
@aliases: List of cli aliases. Useful if we want to change a property
name on the cli but maintain back compat.
@is_list: This value should be stored as a list, so multiple instances
are appended.
@is_onoff: The value expected on the cli is on/off or yes/no, convert
it to true/false.
@lookup_cb: If specified, use this function for performing match
lookups.
@is_novalue: If specified, the parameter is not expected in the
form FOO=BAR, but just FOO.
@find_inst_cb: If specified, this can be used to return a different
'inst' to check and set attributes against. For example,
VirtualDisk has multiple seclabel children, this provides a hook
to lookup the specified child object.
"""
attrname = None
cliname = None
cb = None
can_comma = None
ignore_default = False
aliases = None
is_list = False
is_onoff = False
lookup_cb = None
is_novalue = False
find_inst_cb = None
@staticmethod
def make_arg(attrname, cliname, **kwargs):
"""
Generates a new VirtCLIArgument class with the passed static
values. Initialize it later with the actual command line and value.
kwargs can be any of the
"""
class VirtAddArg(_VirtCLIArgument):
pass
VirtAddArg.attrname = attrname
VirtAddArg.cliname = cliname
for key, val in kwargs.items():
# getattr for validation
getattr(VirtAddArg, key)
setattr(VirtAddArg, key, val)
return VirtAddArg
@classmethod
def match_name(cls, cliname):
"""
Return True if the passed argument name matches this
VirtCLIArgument. So for an option like --foo bar=X, this
checks if we are the parser for 'bar'
"""
for argname in [cls.cliname] + util.listify(cls.aliases):
if re.match("^%s$" % argname, cliname):
return True
return False
def __init__(self, key, val):
"""
Instantiate a VirtCLIArgument with the actual key=val pair
from the command line.
"""
# Sanitize the value
if val is None:
if not self.is_novalue:
raise RuntimeError("Option '%s' had no value set." % key)
val = ""
if val == "":
val = None
if self.is_onoff:
val = _on_off_convert(key, val)
self.val = val
self.key = key
def parse_param(self, parser, inst, support_cb):
"""
Process the cli param against the pass inst.
So if we are VirtCLIArgument for --disk device=, and the user
specified --disk device=foo, we were instanciated with
key=device val=foo, so set inst.device = foo
"""
if support_cb:
support_cb(inst, self)
if self.val == "default" and self.ignore_default:
return
if self.find_inst_cb:
inst = self.find_inst_cb(parser, # pylint: disable=not-callable
inst, self.val, self, True)
try:
if self.attrname:
eval("inst." + self.attrname) # pylint: disable=eval-used
except AttributeError:
raise RuntimeError("programming error: obj=%s does not have "
"member=%s" % (inst, self.attrname))
if self.cb:
self.cb(parser, inst, # pylint: disable=not-callable
self.val, self)
else:
exec( # pylint: disable=exec-used
"inst." + self.attrname + " = self.val")
def lookup_param(self, parser, inst):
"""
See if the passed value matches our Argument, like via virt-xml
So if this Argument is for --disk device=, and the user
specified virt-xml --edit device=floppy --disk ..., we were
instantiated with key=device val=floppy, so return
'inst.device == floppy'
"""
if not self.attrname and not self.lookup_cb:
raise RuntimeError(
_("Don't know how to match device type '%(device_type)s' "
"property '%(property_name)s'") %
{"device_type": getattr(inst, "virtual_device_type", ""),
"property_name": self.key})
if self.find_inst_cb:
inst = self.find_inst_cb(parser, # pylint: disable=not-callable
inst, self.val, self, False)
if not inst:
return False
if self.lookup_cb:
return self.lookup_cb(parser, # pylint: disable=not-callable
inst, self.val, self)
else:
return eval( # pylint: disable=eval-used
"inst." + self.attrname) == self.val
def parse_optstr_tuples(optstr):
"""
Parse the command string into an ordered list of tuples. So
a string like --disk path=foo,size=5,path=bar will end up like
[("path", "foo"), ("size", "5"), ("path", "bar")]
"""
argsplitter = shlex.shlex(optstr or "", posix=True)
argsplitter.commenters = ""
argsplitter.whitespace = ","
argsplitter.whitespace_split = True
ret = []
for opt in list(argsplitter):
if not opt:
continue
if opt.count("="):
cliname, val = opt.split("=", 1)
else:
cliname = opt
val = None
ret.append((cliname, val))
return ret
def _parse_optstr_to_dict(optstr, virtargs, remove_first):
"""
Parse the passed argument string into an OrderedDict WRT
the passed list of VirtCLIArguments and their special handling.
So for --disk path=foo,size=5, optstr is 'path=foo,size=5', and
we return {"path": "foo", "size": "5"}
"""
optdict = collections.OrderedDict()
opttuples = parse_optstr_tuples(optstr)
def _add_opt(virtarg, cliname, val):
if (cliname not in optdict and
virtarg.is_list):
optdict[cliname] = []
if type(optdict.get(cliname)) is list:
optdict[cliname].append(val)
else:
optdict[cliname] = val
def _lookup_virtarg(cliname):
for virtarg in virtargs:
if virtarg.match_name(cliname):
return virtarg
def _consume_comma_arg(commaopt):
while opttuples:
cliname, val = opttuples[0]
if _lookup_virtarg(cliname):
# Next tuple is for an actual virtarg
break
# Next tuple is a continuation of the comma argument,
# sum it up
opttuples.pop(0)
commaopt[1] += "," + cliname
if val:
commaopt[1] += "=" + val
return commaopt
# Splice in remove_first names upfront
for idx, (cliname, val) in enumerate(opttuples):
if val is not None or not remove_first:
break
opttuples[idx] = (remove_first.pop(0), cliname)
while opttuples:
cliname, val = opttuples.pop(0)
virtarg = _lookup_virtarg(cliname)
if not virtarg:
optdict[cliname] = val
continue
if virtarg.can_comma:
commaopt = _consume_comma_arg([cliname, val])
_add_opt(virtarg, commaopt[0], commaopt[1])
else:
_add_opt(virtarg, cliname, val)
return optdict
class VirtCLIParser(object):
"""
Parse a compound arg string like --option foo=bar,baz=12. This is
the desired interface to VirtCLIArgument and VirtCLIOptionString.
A command line argument like --disk just extends this interface
and calls add_arg a bunch to register subarguments like path=,
size=, etc. See existing impls examples of how to do all sorts of
crazy stuff.
Class parameters:
@remove_first: List of parameters to peel off the front of the
option string, and store in the optdict. So:
remove_first=["char_type"] for --serial pty,foo=bar
maps to {"char_type", "pty", "foo" : "bar"}
@check_none: If the parsed option string is just 'none', return None
@support_cb: An extra support check function for further validation.
Called before the virtinst object is altered. Take arguments
(inst, attrname, cliname)
@clear_attr: If the user requests to clear the XML (--disk clearxml),
this is the property name we grab from inst to actually clear
(so 'security' to get guest.security). If it's True, then
clear inst (in the case of devices)
@cli_arg_name: The command line argument this maps to, so
"hostdev" for --hostdev
"""
objclass = None
remove_first = None
check_none = False
support_cb = None
clear_attr = None
cli_arg_name = None
_virtargs = []
@classmethod
def add_arg(cls, *args, **kwargs):
"""
Add a VirtCLIArgument for this class.
"""
if not cls._virtargs:
cls._virtargs = [_VirtCLIArgument.make_arg(
None, "clearxml", cb=cls._clearxml_cb, is_onoff=True)]
cls._virtargs.append(_VirtCLIArgument.make_arg(*args, **kwargs))
@classmethod
def print_introspection(cls):
"""
Print out all _param names, triggered via ex. --disk help
"""
print "--%s options:" % cls.cli_arg_name
for arg in sorted(cls._virtargs, key=lambda p: p.cliname):
print " %s" % arg.cliname
print
def __init__(self, guest, optstr):
self.guest = guest
self.optstr = optstr
self.optdict = _parse_optstr_to_dict(self.optstr,
self._virtargs, util.listify(self.remove_first)[:])
def _clearxml_cb(self, inst, val, virtarg):
"""
Callback that handles virt-xml clearxml=yes|no magic
"""
if not self.objclass and not self.clear_attr:
raise RuntimeError("Don't know how to clearxml --%s" %
self.cli_arg_name)
if val is not True:
return
clear_inst = inst
if self.clear_attr:
clear_inst = getattr(inst, self.clear_attr)
# If there's any opts remaining, leave the root stub element
# in place with leave_stub=True, so virt-xml updates are done
# in place.
#
# Example: --edit --cpu clearxml=yes should remove the <cpu>
# block. But --edit --cpu clearxml=yes,model=foo should leave
# a <cpu> stub in place, so that it gets model=foo in place,
# otherwise the newly created cpu block gets appended to the
# end of the domain XML, which gives an ugly diff
clear_inst.clear(leave_stub="," in self.optstr)
def _optdict_to_param_list(self, optdict):
"""
Convert the passed optdict to a list of instantiated
VirtCLIArguments to actually interact with
"""
ret = []
for param in self._virtargs:
for key in optdict.keys():
if param.match_name(key):
ret.append(param(key, optdict.pop(key)))
return ret
def _check_leftover_opts(self, optdict):
"""
Used to check if there were any unprocessed entries in the
optdict after we should have emptied it. Like if the user
passed an invalid argument such as --disk idontexist=foo
"""
if optdict:
fail(_("Unknown options %s") % optdict.keys())
def _parse(self, inst):
"""
Subclasses can hook into this to do any pre/post processing
of the inst, or self.optdict
"""
optdict = self.optdict.copy()
for param in self._optdict_to_param_list(optdict):
param.parse_param(self, inst, self.support_cb)
self._check_leftover_opts(optdict)
return inst
def parse(self, inst, validate=True):
"""
Main entry point. Iterate over self._virtargs, and serialize
self.optdict into 'inst'.
For virt-xml, 'inst' is the virtinst object we are editing,
ex. a VirtualDisk from a parsed Guest object.
For virt-install, 'inst' is None, and we will create a new
inst from self.objclass, or edit a singleton object in place
like Guest.features/DomainFeatures
"""
if not self.optstr:
return None
if self.check_none and self.optstr == "none":
return None
new_object = False
if self.objclass and not inst:
if self.guest.child_class_is_singleton(self.objclass):
inst = self.guest.list_children_for_class(self.objclass)[0]
else:
new_object = True
inst = self.objclass( # pylint: disable=not-callable
self.guest.conn)
ret = []
try:
objs = self._parse(inst or self.guest)
for obj in util.listify(objs):
if not new_object:
break
if validate:
obj.validate()
self.guest.add_child(obj)
ret += util.listify(objs)
except Exception, e:
logging.debug("Exception parsing inst=%s optstr=%s",
inst, self.optstr, exc_info=True)
fail(_("Error: --%(cli_arg_name)s %(options)s: %(err)s") %
{"cli_arg_name": self.cli_arg_name,
"options": self.optstr, "err": str(e)})
return ret
def lookup_child_from_option_string(self):
"""
Given a passed option string, search the guests' child list
for all objects which match the passed options.
Used only by virt-xml --edit lookups
"""
ret = []
objlist = self.guest.list_children_for_class(self.objclass)
try:
for inst in objlist:
optdict = self.optdict.copy()
valid = True
for param in self._optdict_to_param_list(optdict):
paramret = param.lookup_param(self, inst)
if paramret is False:
valid = False
break
if valid:
ret.append(inst)
self._check_leftover_opts(optdict)
except Exception, e:
logging.debug("Exception parsing inst=%s optstr=%s",
inst, self.optstr, exc_info=True)
fail(_("Error: --%(cli_arg_name)s %(options)s: %(err)s") %
{"cli_arg_name": self.cli_arg_name,
"options": self.optstr, "err": str(e)})
return ret
VIRT_PARSERS = []
def _register_virt_parser(parserclass):
VIRT_PARSERS.append(parserclass)
###################
# --check parsing #
###################
def convert_old_force(options):
if options.force:
if not options.check:
options.check = "all=off"
del(options.force)
class ParseCLICheck(VirtCLIParser):
cli_arg_name = "check"
def set_cb(self, inst, val, virtarg):
# This sets properties on the _GlobalState objects
inst.set_validation_check(virtarg.cliname, val)
ParseCLICheck.add_arg(None, "path_in_use", is_onoff=True,
cb=ParseCLICheck.set_cb)
ParseCLICheck.add_arg(None, "disk_size", is_onoff=True,
cb=ParseCLICheck.set_cb)
ParseCLICheck.add_arg(None, "path_exists", is_onoff=True,
cb=ParseCLICheck.set_cb)
ParseCLICheck.add_arg("all_checks", "all", is_onoff=True)
def parse_check(checkstr):
# Overwrite this for each parse
parser = ParseCLICheck(None, checkstr)
parser.parse(get_global_state())
######################
# --metadata parsing #
######################
class ParserMetadata(VirtCLIParser):
cli_arg_name = "metadata"
_register_virt_parser(ParserMetadata)
ParserMetadata.add_arg("name", "name", can_comma=True)
ParserMetadata.add_arg("title", "title", can_comma=True)
ParserMetadata.add_arg("uuid", "uuid")
ParserMetadata.add_arg("description", "description", can_comma=True)
####################
# --events parsing #
####################
class ParserEvents(VirtCLIParser):
cli_arg_name = "events"
_register_virt_parser(ParserEvents)
ParserEvents.add_arg("on_poweroff", "on_poweroff")
ParserEvents.add_arg("on_reboot", "on_reboot")
ParserEvents.add_arg("on_crash", "on_crash")
ParserEvents.add_arg("on_lockfailure", "on_lockfailure")
######################
# --resource parsing #
######################
class ParserResource(VirtCLIParser):
cli_arg_name = "resource"
objclass = DomainResource
remove_first = "partition"
_register_virt_parser(ParserResource)
ParserResource.add_arg("partition", "partition")
######################
# --numatune parsing #
######################
class ParserNumatune(VirtCLIParser):
cli_arg_name = "numatune"
objclass = DomainNumatune
remove_first = "nodeset"
_register_virt_parser(ParserNumatune)
ParserNumatune.add_arg("memory_nodeset", "nodeset", can_comma=True)
ParserNumatune.add_arg("memory_mode", "mode")
####################
# --memory parsing #
####################
class ParserMemory(VirtCLIParser):
cli_arg_name = "memory"
remove_first = "memory"
def set_memory_cb(self, inst, val, virtarg):
setattr(inst, virtarg.cliname, int(val) * 1024)
_register_virt_parser(ParserMemory)
ParserMemory.add_arg("memory", "memory", cb=ParserMemory.set_memory_cb)
ParserMemory.add_arg("maxmemory", "maxmemory", cb=ParserMemory.set_memory_cb)
ParserMemory.add_arg("memoryBacking.hugepages", "hugepages", is_onoff=True)
#####################
# --memtune parsing #
#####################
class ParserMemorytune(VirtCLIParser):
cli_arg_name = "memtune"
objclass = DomainMemorytune
remove_first = "soft_limit"
_register_virt_parser(ParserMemorytune)
ParserMemorytune.add_arg("hard_limit", "hard_limit")
ParserMemorytune.add_arg("soft_limit", "soft_limit")
ParserMemorytune.add_arg("swap_hard_limit", "swap_hard_limit")
ParserMemorytune.add_arg("min_guarantee", "min_guarantee")
#######################
# --blkiotune parsing #
#######################
class ParserBlkiotune(VirtCLIParser):
cli_arg_name = "blkiotune"
objclass = DomainBlkiotune
remove_first = "weight"
_register_virt_parser(ParserBlkiotune)
ParserBlkiotune.add_arg("weight", "weight")
ParserBlkiotune.add_arg("device_path", "device_path")
ParserBlkiotune.add_arg("device_weight", "device_weight")
###########################
# --memorybacking parsing #
###########################
class ParserMemorybacking(VirtCLIParser):
cli_arg_name = "memorybacking"
objclass = DomainMemorybacking
_register_virt_parser(ParserMemorybacking)
ParserMemorybacking.add_arg("hugepages", "hugepages", is_onoff=True)
ParserMemorybacking.add_arg("page_size", "size")
ParserMemorybacking.add_arg("page_unit", "unit")
ParserMemorybacking.add_arg("page_nodeset", "nodeset", can_comma=True)
ParserMemorybacking.add_arg("nosharepages", "nosharepages", is_onoff=True)
ParserMemorybacking.add_arg("locked", "locked", is_onoff=True)
#################
# --cpu parsing #
#################
class ParserCPU(VirtCLIParser):
cli_arg_name = "cpu"
objclass = CPU
remove_first = "model"
def cell_find_inst_cb(self, inst, val, virtarg, can_edit):
cpu = inst
num = 0
if re.search("\d+", virtarg.key):
num = int(re.search("\d+", virtarg.key).group())
if can_edit:
while len(cpu.cells) < (num + 1):
cpu.add_cell()
try:
return cpu.cells[num]
except IndexError:
if not can_edit:
return None
raise
def set_model_cb(self, inst, val, virtarg):
if val == "host":
val = inst.SPECIAL_MODE_HOST_MODEL
if val == "none":
val = inst.SPECIAL_MODE_CLEAR
if val in inst.SPECIAL_MODES:
inst.set_special_mode(val)
else:
inst.model = val
def set_feature_cb(self, inst, val, virtarg):
policy = virtarg.cliname
for feature_name in util.listify(val):
featureobj = None
for f in inst.features:
if f.name == feature_name:
featureobj = f
break
if featureobj:
featureobj.policy = policy
else:
inst.add_feature(feature_name, policy)
def _parse(self, inst):
# Convert +feature, -feature into expected format
for key, value in self.optdict.items():
policy = None
if value or len(key) == 1:
continue
if key.startswith("+"):
policy = "force"
elif key.startswith("-"):
policy = "disable"
if policy:
del(self.optdict[key])
if self.optdict.get(policy) is None:
self.optdict[policy] = []
self.optdict[policy].append(key[1:])
return VirtCLIParser._parse(self, inst)
_register_virt_parser(ParserCPU)
ParserCPU.add_arg(None, "model", cb=ParserCPU.set_model_cb)
ParserCPU.add_arg("mode", "mode")
ParserCPU.add_arg("match", "match")
ParserCPU.add_arg("vendor", "vendor")
ParserCPU.add_arg(None, "force", is_list=True, cb=ParserCPU.set_feature_cb)
ParserCPU.add_arg(None, "require", is_list=True, cb=ParserCPU.set_feature_cb)
ParserCPU.add_arg(None, "optional", is_list=True, cb=ParserCPU.set_feature_cb)
ParserCPU.add_arg(None, "disable", is_list=True, cb=ParserCPU.set_feature_cb)
ParserCPU.add_arg(None, "forbid", is_list=True, cb=ParserCPU.set_feature_cb)
# Options for CPU.cells config
ParserCPU.add_arg("id", "cell[0-9]*.id",
find_inst_cb=ParserCPU.cell_find_inst_cb)
ParserCPU.add_arg("cpus", "cell[0-9]*.cpus", can_comma=True,
find_inst_cb=ParserCPU.cell_find_inst_cb)
ParserCPU.add_arg("memory", "cell[0-9]*.memory",
find_inst_cb=ParserCPU.cell_find_inst_cb)
###################
# --vcpus parsing #
###################
class ParserVCPU(VirtCLIParser):
cli_arg_name = "vcpus"
remove_first = "vcpus"
def set_vcpus_cb(self, inst, val, virtarg):
attrname = (("maxvcpus" in self.optdict) and
"curvcpus" or "vcpus")
setattr(inst, attrname, val)
def set_cpuset_cb(self, inst, val, virtarg):
if not val:
return
if val != "auto":
inst.cpuset = val
return
# Previously we did our own one-time cpuset placement
# based on current NUMA memory availability, but that's
# pretty dumb unless the conditions on the host never change.
# So instead use newer vcpu placement=, but only if it's
# supported.
if not inst.conn.check_support(
inst.conn.SUPPORT_CONN_VCPU_PLACEMENT):
logging.warning("vcpu placement=auto not supported, skipping.")
return
inst.vcpu_placement = "auto"
def _parse(self, inst):
set_from_top = ("maxvcpus" not in self.optdict and
"vcpus" not in self.optdict)
ret = VirtCLIParser._parse(self, inst)
if set_from_top:
inst.vcpus = inst.cpu.vcpus_from_topology()
return ret
_register_virt_parser(ParserVCPU)
ParserVCPU.add_arg("cpu.sockets", "sockets")
ParserVCPU.add_arg("cpu.cores", "cores")
ParserVCPU.add_arg("cpu.threads", "threads")
ParserVCPU.add_arg(None, "vcpus", cb=ParserVCPU.set_vcpus_cb)
ParserVCPU.add_arg("vcpus", "maxvcpus")
ParserVCPU.add_arg(None, "cpuset", can_comma=True, cb=ParserVCPU.set_cpuset_cb)
ParserVCPU.add_arg("vcpu_placement", "placement")
##################
# --boot parsing #
##################
class ParserBoot(VirtCLIParser):
cli_arg_name = "boot"
clear_attr = "os"
def set_uefi(self, inst, val, virtarg):
ignore = virtarg
ignore = val
inst.set_uefi_default()
def set_initargs_cb(self, inst, val, virtarg):
inst.os.set_initargs_string(val)
def set_smbios_mode_cb(self, inst, val, virtarg):
if not val.startswith("emulate") and not val.startswith("host"):
inst.sysinfo.parse(val)
val = "sysinfo"
inst.os.smbios_mode = val
self.optdict["smbios_mode"] = val
def noset_cb(self, inst, val, virtarg):
pass
def _parse(self, inst):
# Build boot order
boot_order = []
for cliname in self.optdict.keys():
if cliname not in inst.os.BOOT_DEVICES:
continue
del(self.optdict[cliname])
if cliname not in boot_order:
boot_order.append(cliname)
if boot_order:
inst.os.bootorder = boot_order
VirtCLIParser._parse(self, inst)
_register_virt_parser(ParserBoot)
# UEFI depends on these bits, so set them first
ParserBoot.add_arg("os.arch", "arch")
ParserBoot.add_arg("type", "domain_type")
ParserBoot.add_arg("os.os_type", "os_type")
ParserBoot.add_arg("emulator", "emulator")
ParserBoot.add_arg(None, "uefi", cb=ParserBoot.set_uefi, is_novalue=True)
ParserBoot.add_arg("os.useserial", "useserial", is_onoff=True)
ParserBoot.add_arg("os.enable_bootmenu", "menu", is_onoff=True)
ParserBoot.add_arg("os.kernel", "kernel")
ParserBoot.add_arg("os.initrd", "initrd")
ParserBoot.add_arg("os.dtb", "dtb")
ParserBoot.add_arg("os.loader", "loader")
ParserBoot.add_arg("os.loader_ro", "loader_ro", is_onoff=True)
ParserBoot.add_arg("os.loader_type", "loader_type")
ParserBoot.add_arg("os.nvram", "nvram")
ParserBoot.add_arg("os.nvram_template", "nvram_template")
ParserBoot.add_arg("os.kernel_args", "kernel_args",
aliases=["extra_args"], can_comma=True)
ParserBoot.add_arg("os.init", "init")
ParserBoot.add_arg("os.machine", "machine")
ParserBoot.add_arg("os.initargs", "initargs", cb=ParserBoot.set_initargs_cb)
ParserBoot.add_arg("os.smbios_mode", "smbios_mode",
can_comma=True, cb=ParserBoot.set_smbios_mode_cb)
# This is simply so the boot options are advertised with --boot help,
# actual processing is handled by _parse
for _bootdev in OSXML.BOOT_DEVICES:
ParserBoot.add_arg(None, _bootdev, is_novalue=True, cb=ParserBoot.noset_cb)
###################
# --idmap parsing #
###################
class ParserIdmap(VirtCLIParser):
cli_arg_name = "idmap"
objclass = IdMap
_register_virt_parser(ParserIdmap)
ParserIdmap.add_arg("uid_start", "uid_start")
ParserIdmap.add_arg("uid_target", "uid_target")
ParserIdmap.add_arg("uid_count", "uid_count")
ParserIdmap.add_arg("gid_start", "gid_start")
ParserIdmap.add_arg("gid_target", "gid_target")
ParserIdmap.add_arg("gid_count", "gid_count")
######################
# --security parsing #
######################
class ParserSecurity(VirtCLIParser):
cli_arg_name = "security"
objclass = Seclabel
_register_virt_parser(ParserSecurity)
ParserSecurity.add_arg("type", "type")
ParserSecurity.add_arg("model", "model")
ParserSecurity.add_arg("relabel", "relabel", is_onoff=True)
ParserSecurity.add_arg("label", "label", can_comma=True)
ParserSecurity.add_arg("baselabel", "label", can_comma=True)
######################
# --features parsing #
######################
class ParserFeatures(VirtCLIParser):
cli_arg_name = "features"
objclass = DomainFeatures
_register_virt_parser(ParserFeatures)
ParserFeatures.add_arg("acpi", "acpi", is_onoff=True)
ParserFeatures.add_arg("apic", "apic", is_onoff=True)
ParserFeatures.add_arg("pae", "pae", is_onoff=True)
ParserFeatures.add_arg("privnet", "privnet", is_onoff=True)
ParserFeatures.add_arg("hap", "hap", is_onoff=True)
ParserFeatures.add_arg("viridian", "viridian", is_onoff=True)
ParserFeatures.add_arg("eoi", "eoi", is_onoff=True)
ParserFeatures.add_arg("pmu", "pmu", is_onoff=True)
ParserFeatures.add_arg("hyperv_vapic", "hyperv_vapic", is_onoff=True)
ParserFeatures.add_arg("hyperv_relaxed", "hyperv_relaxed", is_onoff=True)
ParserFeatures.add_arg("hyperv_spinlocks", "hyperv_spinlocks", is_onoff=True)
ParserFeatures.add_arg("hyperv_spinlocks_retries",
"hyperv_spinlocks_retries")
ParserFeatures.add_arg("vmport", "vmport", is_onoff=True)
ParserFeatures.add_arg("kvm_hidden", "kvm_hidden", is_onoff=True)
ParserFeatures.add_arg("pvspinlock", "pvspinlock", is_onoff=True)
ParserFeatures.add_arg("gic_version", "gic_version")
###################
# --clock parsing #
###################
class ParserClock(VirtCLIParser):
cli_arg_name = "clock"
objclass = Clock
def set_timer(self, inst, val, virtarg):
tname, attrname = virtarg.cliname.split("_")
timerobj = None
for t in inst.timers:
if t.name == tname:
timerobj = t
break
if not timerobj:
timerobj = inst.add_timer()
timerobj.name = tname
setattr(timerobj, attrname, val)
_register_virt_parser(ParserClock)
ParserClock.add_arg("offset", "offset")
for _tname in Clock.TIMER_NAMES:
ParserClock.add_arg(None, _tname + "_present",
is_onoff=True,
cb=ParserClock.set_timer)
ParserClock.add_arg(None, _tname + "_tickpolicy", cb=ParserClock.set_timer)
################
# --pm parsing #
################
class ParserPM(VirtCLIParser):
cli_arg_name = "pm"
objclass = PM
_register_virt_parser(ParserPM)
ParserPM.add_arg("suspend_to_mem", "suspend_to_mem", is_onoff=True)
ParserPM.add_arg("suspend_to_disk", "suspend_to_disk", is_onoff=True)
#####################
# --sysinfo parsing #
#####################
class ParserSYSInfo(VirtCLIParser):
cli_arg_name = "sysinfo"
objclass = SYSInfo
remove_first = "type"
def set_type_cb(self, inst, val, virtarg):
if val == "host" or val == "emulate":
self.guest.os.smbios_mode = val
elif val == "smbios":
self.guest.os.smbios_mode = "sysinfo"
inst.type = val
else:
fail(_("Unknown sysinfo flag '%s'") % val)
def set_uuid_cb(self, inst, val, virtarg):
# If a uuid is supplied it must match the guest UUID. This would be
# impossible to guess if the guest uuid is autogenerated so just
# overwrite the guest uuid with what is passed in assuming it passes
# the sanity checking below.
inst.system_uuid = val
self.guest.uuid = val
def _parse(self, inst):
if self.optstr == "host" or self.optstr == "emulate":
self.optdict['type'] = self.optstr
elif self.optstr:
# If any string specified, default to type=smbios otherwise
# libvirt errors. User args can still override this though
self.optdict['type'] = 'smbios'
return VirtCLIParser._parse(self, inst)
_register_virt_parser(ParserSYSInfo)
# <sysinfo type='smbios'>
ParserSYSInfo.add_arg("type", "type",
cb=ParserSYSInfo.set_type_cb, can_comma=True)
# <bios> type 0 BIOS Information
ParserSYSInfo.add_arg("bios_vendor", "bios_vendor")
ParserSYSInfo.add_arg("bios_version", "bios_version")
ParserSYSInfo.add_arg("bios_date", "bios_date")
ParserSYSInfo.add_arg("bios_release", "bios_release")
# <system> type 1 System Information
ParserSYSInfo.add_arg("system_manufacturer", "system_manufacturer")
ParserSYSInfo.add_arg("system_product", "system_product")
ParserSYSInfo.add_arg("system_version", "system_version")
ParserSYSInfo.add_arg("system_serial", "system_serial")
ParserSYSInfo.add_arg("system_uuid", "system_uuid",
cb=ParserSYSInfo.set_uuid_cb)
ParserSYSInfo.add_arg("system_sku", "system_sku")
ParserSYSInfo.add_arg("system_family", "system_family")
# <baseBoard> type 2 Baseboard (or Module) Information
ParserSYSInfo.add_arg("baseBoard_manufacturer", "baseBoard_manufacturer")
ParserSYSInfo.add_arg("baseBoard_product", "baseBoard_product")
ParserSYSInfo.add_arg("baseBoard_version", "baseBoard_version")
ParserSYSInfo.add_arg("baseBoard_serial", "baseBoard_serial")
ParserSYSInfo.add_arg("baseBoard_asset", "baseBoard_asset")
ParserSYSInfo.add_arg("baseBoard_location", "baseBoard_location")
##########################
# Guest <device> parsing #
##########################
def _add_device_address_args(cls):
"""
Add VirtualDeviceAddress parameters if we are parsing for a device
"""
cls.add_arg("address.type", "address.type")
cls.add_arg("address.domain", "address.domain")
cls.add_arg("address.bus", "address.bus")
cls.add_arg("address.slot", "address.slot")
cls.add_arg("address.multifunction", "address.multifunction",
is_onoff=True)
cls.add_arg("address.function", "address.function")
cls.add_arg("address.controller", "address.controller")
cls.add_arg("address.unit", "address.unit")
cls.add_arg("address.port", "address.port")
cls.add_arg("address.target", "address.target")
cls.add_arg("address.reg", "address.reg")
cls.add_arg("address.cssid", "address.cssid")
cls.add_arg("address.ssid", "address.ssid")
cls.add_arg("address.devno", "address.devno")
cls.add_arg("address.iobase", "address.iobase")
cls.add_arg("address.irq", "address.irq")
cls.add_arg("address.base", "address.base")
##################
# --disk parsing #
##################
def _default_image_file_format(conn):
if conn.check_support(conn.SUPPORT_CONN_DEFAULT_QCOW2):
return "qcow2"
return "raw"
def _get_default_image_format(conn, poolobj):
tmpvol = StorageVolume(conn)
tmpvol.pool = poolobj
if tmpvol.file_type != StorageVolume.TYPE_FILE:
return None
return _default_image_file_format(conn)
def _generate_new_volume_name(guest, poolobj, fmt):
collidelist = []
for disk in guest.get_devices("disk"):
if (disk.get_vol_install() and
disk.get_vol_install().pool.name() == poolobj.name()):
collidelist.append(os.path.basename(disk.path))
ext = StorageVolume.get_file_extension_for_format(fmt)
return StorageVolume.find_free_name(
poolobj, guest.name, suffix=ext, collidelist=collidelist)
class ParserDisk(VirtCLIParser):
cli_arg_name = "disk"
objclass = VirtualDisk
remove_first = "path"
def noset_cb(self, inst, val, virtarg):
ignore = self, inst, val, virtarg
def seclabel_find_inst_cb(self, inst, val, virtarg, can_edit):
disk = inst
num = 0
if re.search("\d+", virtarg.key):
num = int(re.search("\d+", virtarg.key).group())
if can_edit:
while len(disk.seclabels) < (num + 1):
disk.add_seclabel()
try:
return disk.seclabels[num]
except IndexError:
if not can_edit:
return None
raise
def _parse(self, inst):
if self.optstr == "none":
return
def parse_size(val):
if val is None:
return None
try:
return float(val)
except Exception, e:
fail(_("Improper value for 'size': %s") % str(e))
def convert_perms(val):
if val is None:
return
if val == "ro":
self.optdict["readonly"] = "on"
elif val == "sh":
self.optdict["shareable"] = "on"
elif val == "rw":
# It's default. Nothing to do.
pass
else:
fail(_("Unknown '%s' value '%s'") % ("perms", val))
has_path = "path" in self.optdict
backing_store = self.optdict.pop("backing_store", None)
backing_format = self.optdict.pop("backing_format", None)
poolname = self.optdict.pop("pool", None)
volname = self.optdict.pop("vol", None)
size = parse_size(self.optdict.pop("size", None))
fmt = self.optdict.pop("format", None)
sparse = _on_off_convert("sparse", self.optdict.pop("sparse", "yes"))
convert_perms(self.optdict.pop("perms", None))
has_type_volume = ("source_pool" in self.optdict or
"source_volume" in self.optdict)
has_type_network = ("source_protocol" in self.optdict)
optcount = sum([bool(p) for p in [has_path, poolname, volname,
has_type_volume, has_type_network]])
if optcount > 1:
fail(_("Cannot specify more than 1 storage path"))
if optcount == 0 and size:
# Saw something like --disk size=X, have it imply pool=default
poolname = "default"
if volname:
if volname.count("/") != 1:
raise ValueError(_("Storage volume must be specified as "
"vol=poolname/volname"))
poolname, volname = volname.split("/")
logging.debug("Parsed --disk volume as: pool=%s vol=%s",
poolname, volname)
VirtCLIParser._parse(self, inst)
# Generate and fill in the disk source info
newvolname = None
poolobj = None
if poolname:
if poolname == "default":
StoragePool.build_default_pool(self.guest.conn)
poolobj = self.guest.conn.storagePoolLookupByName(poolname)
if volname:
vol_object = poolobj.storageVolLookupByName(volname)
inst.set_vol_object(vol_object, poolobj)
poolobj = None
if ((poolobj or inst.wants_storage_creation()) and
(fmt or size or sparse or backing_store)):
if not poolobj:
poolobj = inst.get_parent_pool()
newvolname = os.path.basename(inst.path)
if poolobj and not fmt:
fmt = _get_default_image_format(self.guest.conn, poolobj)
if newvolname is None:
newvolname = _generate_new_volume_name(self.guest, poolobj,
fmt)
vol_install = VirtualDisk.build_vol_install(
self.guest.conn, newvolname, poolobj, size, sparse,
fmt=fmt, backing_store=backing_store,
backing_format=backing_format)
inst.set_vol_install(vol_install)
if not inst.target:
skip_targets = [d.target for d in self.guest.get_devices("disk")]
inst.generate_target(skip_targets)
inst.cli_generated_target = True
return inst
_register_virt_parser(ParserDisk)
_add_device_address_args(ParserDisk)
# These are all handled specially in _parse
ParserDisk.add_arg(None, "backing_store", cb=ParserDisk.noset_cb)
ParserDisk.add_arg(None, "backing_format", cb=ParserDisk.noset_cb)
ParserDisk.add_arg(None, "pool", cb=ParserDisk.noset_cb)
ParserDisk.add_arg(None, "vol", cb=ParserDisk.noset_cb)
ParserDisk.add_arg(None, "size", cb=ParserDisk.noset_cb)
ParserDisk.add_arg(None, "format", cb=ParserDisk.noset_cb)
ParserDisk.add_arg(None, "sparse", cb=ParserDisk.noset_cb)
ParserDisk.add_arg("source_pool", "source_pool")
ParserDisk.add_arg("source_volume", "source_volume")
ParserDisk.add_arg("source_name", "source_name")
ParserDisk.add_arg("source_protocol", "source_protocol")
ParserDisk.add_arg("source_host_name", "source_host_name")
ParserDisk.add_arg("source_host_port", "source_host_port")
ParserDisk.add_arg("source_host_socket", "source_host_socket")
ParserDisk.add_arg("source_host_transport", "source_host_transport")
ParserDisk.add_arg("path", "path")
ParserDisk.add_arg("device", "device")
ParserDisk.add_arg("bus", "bus")
ParserDisk.add_arg("removable", "removable", is_onoff=True)
ParserDisk.add_arg("driver_cache", "cache")
ParserDisk.add_arg("driver_discard", "discard")
ParserDisk.add_arg("driver_name", "driver_name")
ParserDisk.add_arg("driver_type", "driver_type")
ParserDisk.add_arg("driver_io", "io")
ParserDisk.add_arg("error_policy", "error_policy")
ParserDisk.add_arg("serial", "serial")
ParserDisk.add_arg("target", "target")
ParserDisk.add_arg("startup_policy", "startup_policy")
ParserDisk.add_arg("read_only", "readonly", is_onoff=True)
ParserDisk.add_arg("shareable", "shareable", is_onoff=True)
ParserDisk.add_arg("boot.order", "boot_order")
ParserDisk.add_arg("iotune_rbs", "read_bytes_sec")
ParserDisk.add_arg("iotune_wbs", "write_bytes_sec")
ParserDisk.add_arg("iotune_tbs", "total_bytes_sec")
ParserDisk.add_arg("iotune_ris", "read_iops_sec")
ParserDisk.add_arg("iotune_wis", "write_iops_sec")
ParserDisk.add_arg("iotune_tis", "total_iops_sec")
ParserDisk.add_arg("sgio", "sgio")
# VirtualDisk.seclabels properties
ParserDisk.add_arg("model", "seclabel[0-9]*.model",
find_inst_cb=ParserDisk.seclabel_find_inst_cb)
ParserDisk.add_arg("relabel", "seclabel[0-9]*.relabel", is_onoff=True,
find_inst_cb=ParserDisk.seclabel_find_inst_cb)
ParserDisk.add_arg("label", "seclabel[0-9]*.label", can_comma=True,
find_inst_cb=ParserDisk.seclabel_find_inst_cb)
#####################
# --network parsing #
#####################
class ParserNetwork(VirtCLIParser):
cli_arg_name = "network"
objclass = VirtualNetworkInterface
remove_first = "type"
def set_mac_cb(self, inst, val, virtarg):
if val == "RANDOM":
return None
inst.macaddr = val
return val
def set_type_cb(self, inst, val, virtarg):
if val == "default":
inst.set_default_source()
else:
inst.type = val
def set_link_state(self, inst, val, virtarg):
ignore = virtarg
if val in ["up", "down"]:
inst.link_state = val
return
ret = _raw_on_off_convert(val)
if ret is True:
val = "up"
elif ret is False:
val = "down"
inst.link_state = val
def _parse(self, inst):
if self.optstr == "none":
return
if "type" not in self.optdict:
if "network" in self.optdict:
self.optdict["type"] = VirtualNetworkInterface.TYPE_VIRTUAL
self.optdict["source"] = self.optdict.pop("network")
elif "bridge" in self.optdict:
self.optdict["type"] = VirtualNetworkInterface.TYPE_BRIDGE
self.optdict["source"] = self.optdict.pop("bridge")
return VirtCLIParser._parse(self, inst)
_register_virt_parser(ParserNetwork)
_add_device_address_args(ParserNetwork)
ParserNetwork.add_arg("type", "type", cb=ParserNetwork.set_type_cb)
ParserNetwork.add_arg("trustGuestRxFilters", "trustGuestRxFilters",
is_onoff=True)
ParserNetwork.add_arg("source", "source")
ParserNetwork.add_arg("source_mode", "source_mode")
ParserNetwork.add_arg("source_type", "source_type")
ParserNetwork.add_arg("source_path", "source_path")
ParserNetwork.add_arg("portgroup", "portgroup")
ParserNetwork.add_arg("target_dev", "target")
ParserNetwork.add_arg("model", "model")
ParserNetwork.add_arg("macaddr", "mac", cb=ParserNetwork.set_mac_cb)
ParserNetwork.add_arg("filterref", "filterref")
ParserNetwork.add_arg("boot.order", "boot_order")
ParserNetwork.add_arg("link_state", "link_state",
cb=ParserNetwork.set_link_state)
ParserNetwork.add_arg("driver_name", "driver_name")
ParserNetwork.add_arg("driver_queues", "driver_queues")
ParserNetwork.add_arg("rom_file", "rom_file")
ParserNetwork.add_arg("rom_bar", "rom_bar", is_onoff=True)
# For 802.1Qbg
ParserNetwork.add_arg("virtualport.type", "virtualport_type")
ParserNetwork.add_arg("virtualport.managerid", "virtualport_managerid")
ParserNetwork.add_arg("virtualport.typeid", "virtualport_typeid")
ParserNetwork.add_arg("virtualport.typeidversion",
"virtualport_typeidversion")
ParserNetwork.add_arg("virtualport.instanceid", "virtualport_instanceid")
# For openvswitch & 802.1Qbh
ParserNetwork.add_arg("virtualport.profileid", "virtualport_profileid")
# For openvswitch & midonet
ParserNetwork.add_arg("virtualport.interfaceid", "virtualport_interfaceid")
######################
# --graphics parsing #
######################
class ParserGraphics(VirtCLIParser):
cli_arg_name = "graphics"
objclass = VirtualGraphics
remove_first = "type"
def set_keymap_cb(self, inst, val, virtarg):
from . import hostkeymap
if not val:
val = None
elif val.lower() == "local":
val = VirtualGraphics.KEYMAP_LOCAL
elif val.lower() == "none":
val = None
else:
use_keymap = hostkeymap.sanitize_keymap(val)
if not use_keymap:
raise ValueError(
_("Didn't match keymap '%s' in keytable!") % val)
val = use_keymap
inst.keymap = val
def set_type_cb(self, inst, val, virtarg):
if val == "default":
return
inst.type = val
def set_listen_cb(self, inst, val, virtarg):
if val == "none":
inst.set_listen_none()
elif val == "socket":
inst.remove_all_listens()
obj = inst.add_listen()
obj.type = "socket"
else:
inst.listen = val
def _parse(self, inst):
if self.optstr == "none":
self.guest.skip_default_graphics = True
return
ret = VirtCLIParser._parse(self, inst)
if inst.conn.is_qemu() and inst.gl:
if inst.type != "spice":
logging.warn("graphics type=%s does not support GL", inst.type)
elif not inst.conn.check_support(
inst.conn.SUPPORT_CONN_SPICE_GL):
logging.warn("qemu/libvirt version may not support spice GL")
if inst.conn.is_qemu() and inst.rendernode:
if inst.type != "spice":
logging.warn("graphics type=%s does not support rendernode", inst.type)
elif not inst.conn.check_support(
inst.conn.SUPPORT_CONN_SPICE_RENDERNODE):
logging.warn("qemu/libvirt version may not support rendernode")
return ret
_register_virt_parser(ParserGraphics)
_add_device_address_args(ParserGraphics)
ParserGraphics.add_arg(None, "type", cb=ParserGraphics.set_type_cb)
ParserGraphics.add_arg("port", "port")
ParserGraphics.add_arg("tlsPort", "tlsport")
ParserGraphics.add_arg("listen", "listen", cb=ParserGraphics.set_listen_cb)
ParserGraphics.add_arg(None, "keymap", cb=ParserGraphics.set_keymap_cb)
ParserGraphics.add_arg("passwd", "password")
ParserGraphics.add_arg("passwdValidTo", "passwordvalidto")
ParserGraphics.add_arg("connected", "connected")
ParserGraphics.add_arg("defaultMode", "defaultMode")
ParserGraphics.add_arg("image_compression", "image_compression")
ParserGraphics.add_arg("streaming_mode", "streaming_mode")
ParserGraphics.add_arg("clipboard_copypaste", "clipboard_copypaste",
is_onoff=True)
ParserGraphics.add_arg("mouse_mode", "mouse_mode")
ParserGraphics.add_arg("filetransfer_enable", "filetransfer_enable",
is_onoff=True)
ParserGraphics.add_arg("gl", "gl", is_onoff=True)
ParserGraphics.add_arg("rendernode", "rendernode")
########################
# --controller parsing #
########################
class ParserController(VirtCLIParser):
cli_arg_name = "controller"
objclass = VirtualController
remove_first = "type"
def set_server_cb(self, inst, val, virtarg):
inst.address.set_addrstr(val)
def _parse(self, inst):
if self.optstr == "usb2":
return VirtualController.get_usb2_controllers(inst.conn)
elif self.optstr == "usb3":
inst.type = "usb"
inst.model = "nec-xhci"
return inst
return VirtCLIParser._parse(self, inst)
_register_virt_parser(ParserController)
_add_device_address_args(ParserController)
ParserController.add_arg("type", "type")
ParserController.add_arg("model", "model")
ParserController.add_arg("index", "index")
ParserController.add_arg("master_startport", "master")
ParserController.add_arg(None, "address", cb=ParserController.set_server_cb)
###################
# --input parsing #
###################
class ParserInput(VirtCLIParser):
cli_arg_name = "input"
objclass = VirtualInputDevice
remove_first = "type"
_register_virt_parser(ParserInput)
_add_device_address_args(ParserInput)
ParserInput.add_arg("type", "type")
ParserInput.add_arg("bus", "bus")
#######################
# --smartcard parsing #
#######################
class ParserSmartcard(VirtCLIParser):
cli_arg_name = "smartcard"
objclass = VirtualSmartCardDevice
remove_first = "mode"
check_none = True
_register_virt_parser(ParserSmartcard)
_add_device_address_args(ParserSmartcard)
ParserSmartcard.add_arg("mode", "mode")
ParserSmartcard.add_arg("type", "type")
######################
# --redirdev parsing #
######################
class ParserRedir(VirtCLIParser):
cli_arg_name = "redirdev"
objclass = VirtualRedirDevice
remove_first = "bus"
def set_server_cb(self, inst, val, virtarg):
inst.parse_friendly_server(val)
def _parse(self, inst):
if self.optstr == "none":
self.guest.skip_default_usbredir = True
return
return VirtCLIParser._parse(self, inst)
_register_virt_parser(ParserRedir)
_add_device_address_args(ParserRedir)
ParserRedir.add_arg("bus", "bus")
ParserRedir.add_arg("type", "type")
ParserRedir.add_arg("boot.order", "boot_order")
ParserRedir.add_arg(None, "server", cb=ParserRedir.set_server_cb)
#################
# --tpm parsing #
#################
class ParserTPM(VirtCLIParser):
cli_arg_name = "tpm"
objclass = VirtualTPMDevice
remove_first = "type"
check_none = True
def _parse(self, inst):
if (self.optdict.get("type", "").startswith("/")):
self.optdict["path"] = self.optdict.pop("type")
return VirtCLIParser._parse(self, inst)
_register_virt_parser(ParserTPM)
_add_device_address_args(ParserTPM)
ParserTPM.add_arg("type", "type")
ParserTPM.add_arg("model", "model")
ParserTPM.add_arg("device_path", "path")
#################
# --rng parsing #
#################
class ParserRNG(VirtCLIParser):
cli_arg_name = "rng"
objclass = VirtualRNGDevice
remove_first = "type"
check_none = True
def set_hosts_cb(self, inst, val, virtarg):
namemap = {}
inst.backend_type = inst.cli_backend_type
if inst.cli_backend_mode == "connect":
namemap["backend_host"] = "connect_host"
namemap["backend_service"] = "connect_service"
if inst.cli_backend_mode == "bind":
namemap["backend_host"] = "bind_host"
namemap["backend_service"] = "bind_service"
if inst.cli_backend_type == "udp":
namemap["backend_connect_host"] = "connect_host"
namemap["backend_connect_service"] = "connect_service"
if virtarg.cliname in namemap:
setattr(inst, namemap[virtarg.cliname], val)
def set_backend_cb(self, inst, val, virtarg):
if virtarg.cliname == "backend_mode":
inst.cli_backend_mode = val
elif virtarg.cliname == "backend_type":
inst.cli_backend_type = val
def _parse(self, inst):
inst.cli_backend_mode = "connect"
inst.cli_backend_type = "udp"
if self.optdict.get("type", "").startswith("/"):
# Allow --rng /dev/random
self.optdict["device"] = self.optdict.pop("type")
self.optdict["type"] = "random"
return VirtCLIParser._parse(self, inst)
_register_virt_parser(ParserRNG)
_add_device_address_args(ParserRNG)
ParserRNG.add_arg("type", "type")
ParserRNG.add_arg(None, "backend_mode", cb=ParserRNG.set_backend_cb)
ParserRNG.add_arg(None, "backend_type", cb=ParserRNG.set_backend_cb)
ParserRNG.add_arg(None, "backend_host", cb=ParserRNG.set_hosts_cb)
ParserRNG.add_arg(None, "backend_service", cb=ParserRNG.set_hosts_cb)
ParserRNG.add_arg(None, "backend_connect_host", cb=ParserRNG.set_hosts_cb)
ParserRNG.add_arg(None, "backend_connect_service", cb=ParserRNG.set_hosts_cb)
ParserRNG.add_arg("device", "device")
ParserRNG.add_arg("model", "model")
ParserRNG.add_arg("rate_bytes", "rate_bytes")
ParserRNG.add_arg("rate_period", "rate_period")
######################
# --watchdog parsing #
######################
class ParserWatchdog(VirtCLIParser):
cli_arg_name = "watchdog"
objclass = VirtualWatchdog
remove_first = "model"
_register_virt_parser(ParserWatchdog)
_add_device_address_args(ParserWatchdog)
ParserWatchdog.add_arg("model", "model")
ParserWatchdog.add_arg("action", "action")
########################
# --memballoon parsing #
########################
class ParserMemballoon(VirtCLIParser):
cli_arg_name = "memballoon"
objclass = VirtualMemballoon
remove_first = "model"
_register_virt_parser(ParserMemballoon)
_add_device_address_args(ParserMemballoon)
ParserMemballoon.add_arg("model", "model")
###################
# --panic parsing #
###################
class ParserPanic(VirtCLIParser):
cli_arg_name = "panic"
objclass = VirtualPanicDevice
remove_first = "iobase"
def set_iobase_cb(self, inst, val, virtarg):
if val == "default":
return
inst.iobase = val
_register_virt_parser(ParserPanic)
_add_device_address_args(ParserPanic)
ParserPanic.add_arg(None, "iobase", cb=ParserPanic.set_iobase_cb)
######################################################
# --serial, --parallel, --channel, --console parsing #
######################################################
class _ParserChar(VirtCLIParser):
remove_first = "char_type"
def support_check(self, inst, virtarg):
if type(virtarg.attrname) is not str:
return
if not inst.supports_property(virtarg.attrname):
raise ValueError(_("%(devtype)s type '%(chartype)s' does not "
"support '%(optname)s' option.") %
{"devtype" : inst.virtual_device_type,
"chartype": inst.type,
"optname" : virtarg.cliname})
support_cb = support_check
def set_host_cb(self, inst, val, virtarg):
if ("bind_host" not in self.optdict and
self.optdict.get("mode", None) == "bind"):
inst.set_friendly_bind(val)
else:
inst.set_friendly_source(val)
def set_bind_cb(self, inst, val, virtarg):
inst.set_friendly_bind(val)
def set_target_cb(self, inst, val, virtarg):
inst.set_friendly_target(val)
def _parse(self, inst):
if self.optstr == "none" and inst.virtual_device_type == "console":
self.guest.skip_default_console = True
return
if self.optstr == "none" and inst.virtual_device_type == "channel":
self.guest.skip_default_channel = True
return
return VirtCLIParser._parse(self, inst)
_add_device_address_args(_ParserChar)
_ParserChar.add_arg("type", "char_type")
_ParserChar.add_arg("source_path", "path")
_ParserChar.add_arg("protocol", "protocol")
_ParserChar.add_arg("target_type", "target_type")
_ParserChar.add_arg("target_name", "name")
_ParserChar.add_arg(None, "host", cb=_ParserChar.set_host_cb)
_ParserChar.add_arg(None, "bind_host", cb=_ParserChar.set_bind_cb)
_ParserChar.add_arg(None, "target_address", cb=_ParserChar.set_target_cb)
_ParserChar.add_arg("source_mode", "mode")
_ParserChar.add_arg("source_master", "source.master")
_ParserChar.add_arg("source_slave", "source.slave")
_ParserChar.add_arg("log_file", "log.file")
_ParserChar.add_arg("log_append", "log.append", is_onoff=True)
class ParserSerial(_ParserChar):
cli_arg_name = "serial"
objclass = VirtualSerialDevice
_register_virt_parser(ParserSerial)
class ParserParallel(_ParserChar):
cli_arg_name = "parallel"
objclass = VirtualParallelDevice
_register_virt_parser(ParserParallel)
class ParserChannel(_ParserChar):
cli_arg_name = "channel"
objclass = VirtualChannelDevice
_register_virt_parser(ParserChannel)
class ParserConsole(_ParserChar):
cli_arg_name = "console"
objclass = VirtualConsoleDevice
_register_virt_parser(ParserConsole)
########################
# --filesystem parsing #
########################
class ParserFilesystem(VirtCLIParser):
cli_arg_name = "filesystem"
objclass = VirtualFilesystem
remove_first = ["source", "target"]
_register_virt_parser(ParserFilesystem)
_add_device_address_args(ParserFilesystem)
ParserFilesystem.add_arg("type", "type")
ParserFilesystem.add_arg("accessmode", "accessmode", aliases=["mode"])
ParserFilesystem.add_arg("source", "source")
ParserFilesystem.add_arg("target", "target")
###################
# --video parsing #
###################
class ParserVideo(VirtCLIParser):
cli_arg_name = "video"
objclass = VirtualVideoDevice
remove_first = "model"
def _parse(self, inst):
ret = VirtCLIParser._parse(self, inst)
if inst.conn.is_qemu() and inst.accel3d:
if inst.model != "virtio":
logging.warn("video model=%s does not support accel3d",
inst.model)
elif not inst.conn.check_support(
inst.conn.SUPPORT_CONN_VIDEO_VIRTIO_ACCEL3D):
logging.warn("qemu/libvirt version may not support "
"virtio accel3d")
return ret
_register_virt_parser(ParserVideo)
_add_device_address_args(ParserVideo)
ParserVideo.add_arg("model", "model", ignore_default=True)
ParserVideo.add_arg("accel3d", "accel3d", is_onoff=True)
ParserVideo.add_arg("heads", "heads")
ParserVideo.add_arg("ram", "ram")
ParserVideo.add_arg("vram", "vram")
ParserVideo.add_arg("vram64", "vram64")
ParserVideo.add_arg("vgamem", "vgamem")
###################
# --sound parsing #
###################
class ParserSound(VirtCLIParser):
cli_arg_name = "sound"
objclass = VirtualAudio
remove_first = "model"
def _parse(self, inst):
if self.optstr == "none":
self.guest.skip_default_sound = True
return
return VirtCLIParser._parse(self, inst)
_register_virt_parser(ParserSound)
_add_device_address_args(ParserSound)
ParserSound.add_arg("model", "model", ignore_default=True)
#####################
# --hostdev parsing #
#####################
class ParserHostdev(VirtCLIParser):
cli_arg_name = "hostdev"
objclass = VirtualHostDevice
remove_first = "name"
def set_name_cb(self, inst, val, virtarg):
val = NodeDevice.lookupNodedevFromString(inst.conn, val)
inst.set_from_nodedev(val)
def name_lookup_cb(self, inst, val, virtarg):
nodedev = NodeDevice.lookupNodedevFromString(inst.conn, val)
return nodedev.compare_to_hostdev(inst)
_register_virt_parser(ParserHostdev)
_add_device_address_args(ParserHostdev)
ParserHostdev.add_arg(None, "name",
cb=ParserHostdev.set_name_cb,
lookup_cb=ParserHostdev.name_lookup_cb)
ParserHostdev.add_arg("driver_name", "driver_name")
ParserHostdev.add_arg("boot.order", "boot_order")
ParserHostdev.add_arg("rom_bar", "rom_bar", is_onoff=True)
###########################
# Public virt parser APIs #
###########################
def parse_option_strings(options, guest, instlist, update=False):
"""
Iterate over VIRT_PARSERS, and launch the associated parser
function for every value that was filled in on 'options', which
came from argparse/the command line.
@update: If we are updating an existing guest, like from virt-xml
"""
instlist = util.listify(instlist)
if not instlist:
instlist = [None]
ret = []
for parserclass in VIRT_PARSERS:
optlist = util.listify(getattr(options, parserclass.cli_arg_name))
if not optlist:
continue
for inst in instlist:
if inst and optlist:
# If an object is passed in, we are updating it in place, and
# only use the last command line occurrence, eg. from virt-xml
optlist = [optlist[-1]]
for optstr in optlist:
parserobj = parserclass(guest, optstr)
parseret = parserobj.parse(inst, validate=not update)
ret += util.listify(parseret)
return ret
def check_option_introspection(options):
"""
Check if the user requested option introspection with ex: '--disk=?'
"""
ret = False
for parserclass in VIRT_PARSERS:
optlist = util.listify(getattr(options, parserclass.cli_arg_name))
if not optlist:
continue
for optstr in optlist:
if optstr == "?" or optstr == "help":
parserclass.print_introspection()
ret = True
return ret
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