# # Copyright (C) 2006, 2013, 2014 Red Hat, Inc. # Copyright (C) 2006 Daniel P. Berrange # # 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. # from gi.repository import GObject import logging import os import time import threading import libvirt from virtinst import DomainCapabilities from virtinst import DomainSnapshot from virtinst import Guest from virtinst import util from virtinst import VirtualController from .libvirtobject import vmmLibvirtObject if not hasattr(libvirt, "VIR_DOMAIN_PMSUSPENDED"): setattr(libvirt, "VIR_DOMAIN_PMSUSPENDED", 7) vm_status_icons = { libvirt.VIR_DOMAIN_BLOCKED: "state_running", libvirt.VIR_DOMAIN_CRASHED: "state_shutoff", libvirt.VIR_DOMAIN_PAUSED: "state_paused", libvirt.VIR_DOMAIN_RUNNING: "state_running", libvirt.VIR_DOMAIN_SHUTDOWN: "state_shutoff", libvirt.VIR_DOMAIN_SHUTOFF: "state_shutoff", libvirt.VIR_DOMAIN_NOSTATE: "state_running", libvirt.VIR_DOMAIN_PMSUSPENDED: "state_paused", } class _SENTINEL(object): pass def compare_device(origdev, newdev, idx): devprops = { "disk" : ["target", "bus"], "interface" : ["macaddr", "vmmindex"], "input" : ["bus", "type", "vmmindex"], "sound" : ["model", "vmmindex"], "video" : ["model", "vmmindex"], "watchdog" : ["vmmindex"], "hostdev" : ["type", "managed", "vmmindex", "product", "vendor", "function", "domain", "slot"], "serial" : ["type", "target_port"], "parallel" : ["type", "target_port"], "console" : ["type", "target_type", "target_port"], "graphics" : ["type", "vmmindex"], "controller" : ["type", "index"], "channel" : ["type", "target_name"], "filesystem" : ["target" , "vmmindex"], "smartcard" : ["mode" , "vmmindex"], "redirdev" : ["bus" , "type", "vmmindex"], "tpm" : ["type" , "vmmindex"], "rng" : ["type" , "vmmindex"], "panic" : ["type" , "vmmindex"], } if id(origdev) == id(newdev): return True if type(origdev) is not type(newdev): return False for devprop in devprops[origdev.virtual_device_type]: origval = getattr(origdev, devprop) if devprop == "vmmindex": newval = idx else: newval = getattr(newdev, devprop) if origval != newval: return False return True def _find_device(guest, origdev): devlist = guest.get_devices(origdev.virtual_device_type) for idx in range(len(devlist)): dev = devlist[idx] if compare_device(origdev, dev, idx): return dev return None def start_job_progress_thread(vm, meter, progtext): current_thread = threading.currentThread() def jobinfo_cb(): while True: time.sleep(.5) if not current_thread.isAlive(): return False try: jobinfo = vm.job_info() data_total = float(jobinfo[3]) # data_processed = float(jobinfo[4]) data_remaining = float(jobinfo[5]) # data_total is 0 if the job hasn't started yet if not data_total: continue if not meter.started: meter.start(size=data_total, text=progtext) progress = data_total - data_remaining meter.update(progress) except: logging.exception("Error calling jobinfo") return False return True if vm.getjobinfo_supported: t = threading.Thread(target=jobinfo_cb, name="job progress reporting", args=()) t.daemon = True t.start() class vmmInspectionData(object): def __init__(self): self.type = None self.distro = None self.major_version = None self.minor_version = None self.hostname = None self.product_name = None self.product_variant = None self.icon = None self.applications = None self.error = False class vmmDomainSnapshot(vmmLibvirtObject): """ Class wrapping a virDomainSnapshot object """ def __init__(self, conn, backend): vmmLibvirtObject.__init__(self, conn, backend, backend.getName(), DomainSnapshot) self.refresh_xml() def _backend_get_name(self): return self._backend.getName() def _XMLDesc(self, flags): return self._backend.getXMLDesc(flags=flags) def delete(self, force=True): ignore = force self._backend.delete() def run_status(self): status = DomainSnapshot.state_str_to_int(self.get_xmlobj().state) return vmmDomain.pretty_run_status(status) def run_status_icon_name(self): status = DomainSnapshot.state_str_to_int(self.get_xmlobj().state) if status not in vm_status_icons: logging.debug("Unknown status %d, using NOSTATE", status) status = libvirt.VIR_DOMAIN_NOSTATE return vm_status_icons[status] def is_current(self): return self._backend.isCurrent() def is_external(self): if self.get_xmlobj().memory_type == "external": return True for disk in self.get_xmlobj().disks: if disk.snapshot == "external": return True return False class vmmDomain(vmmLibvirtObject): """ Class wrapping virDomain libvirt objects. Is also extended to be backed by a virtinst.Guest object for new VM 'customize before install' """ __gsignals__ = { "status-changed": (GObject.SignalFlags.RUN_FIRST, None, [int, int]), "resources-sampled": (GObject.SignalFlags.RUN_FIRST, None, []), "inspection-changed": (GObject.SignalFlags.RUN_FIRST, None, []), "pre-startup": (GObject.SignalFlags.RUN_FIRST, None, [object]), } @staticmethod def pretty_run_status(status, has_saved=False): if status == libvirt.VIR_DOMAIN_RUNNING: return _("Running") elif status == libvirt.VIR_DOMAIN_PAUSED: return _("Paused") elif status == libvirt.VIR_DOMAIN_SHUTDOWN: return _("Shutting Down") elif status == libvirt.VIR_DOMAIN_SHUTOFF: if has_saved: return _("Saved") else: return _("Shutoff") elif status == libvirt.VIR_DOMAIN_CRASHED: return _("Crashed") elif status == libvirt.VIR_DOMAIN_PMSUSPENDED: return _("Suspended") logging.debug("Unknown status %d, returning 'Unknown'", status) return _("Unknown") @staticmethod def pretty_status_reason(status, reason): key = lambda x, y: getattr(libvirt, "VIR_DOMAIN_" + x, y) reasons = { libvirt.VIR_DOMAIN_RUNNING : { key("RUNNING_BOOTED", 1) : _("Booted"), key("RUNNING_MIGRATED", 2) : _("Migrated"), key("RUNNING_RESTORED", 3) : _("Restored"), key("RUNNING_FROM_SNAPSHOT", 4) : _("From snapshot"), key("RUNNING_UNPAUSED", 5) : _("Unpaused"), key("RUNNING_MIGRATION_CANCELED", 6) : _("Migration canceled"), key("RUNNING_SAVE_CANCELED", 7) : _("Save canceled"), key("RUNNING_WAKEUP", 8) : _("Event wakeup"), key("RUNNING_CRASHED", 9) : _("Crashed"), }, libvirt.VIR_DOMAIN_PAUSED : { key("PAUSED_USER", 1) : _("User"), key("PAUSED_MIGRATION", 2) : _("Migrating"), key("PAUSED_SAVE", 3) : _("Saving"), key("PAUSED_DUMP", 4) : _("Dumping"), key("PAUSED_IOERROR", 5) : _("I/O error"), key("PAUSED_WATCHDOG", 6) : _("Watchdog"), key("PAUSED_FROM_SNAPSHOT", 7) : _("From snapshot"), key("PAUSED_SHUTTING_DOWN", 8) : _("Shutting down"), key("PAUSED_SNAPSHOT", 9) : _("Creating snapshot"), key("PAUSED_CRASHED", 10) : _("Crashed"), }, libvirt.VIR_DOMAIN_SHUTDOWN : { key("SHUTDOWN_USER", 1) : _("User"), }, libvirt.VIR_DOMAIN_SHUTOFF : { key("SHUTOFF_SHUTDOWN", 1) : _("Shutdown"), key("SHUTOFF_DESTROYED", 2) : _("Destroyed"), key("SHUTOFF_CRASHED", 3) : _("Crashed"), key("SHUTOFF_MIGRATED", 4) : _("Migrated"), key("SHUTOFF_SAVED", 5) : _("Saved"), key("SHUTOFF_FAILED", 6) : _("Failed"), key("SHUTOFF_FROM_SNAPSHOT", 7) : _("From snapshot"), }, libvirt.VIR_DOMAIN_CRASHED : { key("CRASHED_PANICKED", 1) : _("Panicked"), } } return reasons.get(status) and reasons[status].get(reason) def __init__(self, conn, backend, key): vmmLibvirtObject.__init__(self, conn, backend, key, Guest) self.cloning = False self.record = [] self.maxRecord = { "diskRdRate" : 10.0, "diskWrRate" : 10.0, "netTxRate" : 10.0, "netRxRate" : 10.0, } self._install_abort = False self.reboot_listener = None self._is_management_domain = None self._id = None self._uuid = None self._has_managed_save = None self._snapshot_list = None self._autostart = None self._domain_caps = None self.lastStatus = libvirt.VIR_DOMAIN_SHUTOFF self._lastStatusReason = getattr(libvirt, "VIR_DOMAIN_SHUTOFF_SHUTDOWN", 1) self.managedsave_supported = False self.remote_console_supported = False self.title_supported = False self.mem_stats_supported = False self.domain_state_supported = False self._enable_mem_stats = False self._enable_cpu_stats = False self._enable_net_poll = False self._stats_net_supported = True self._stats_net_skip = [] self._enable_disk_poll = False self._stats_disk_supported = True self._stats_disk_skip = [] self._summary_disk_stats_skip = False self.inspection = vmmInspectionData() if isinstance(self._backend, Guest): return self._libvirt_init() def _cleanup(self): for snap in self._snapshot_list or []: snap.cleanup() self._snapshot_list = None def _libvirt_init(self): """ Initialization to do if backed by a libvirt virDomain """ self.managedsave_supported = self.conn.check_support( self.conn.SUPPORT_DOMAIN_MANAGED_SAVE, self._backend) self.remote_console_supported = self.conn.check_support( self.conn.SUPPORT_DOMAIN_CONSOLE_STREAM, self._backend) self.title_supported = self.conn.check_support( self.conn.SUPPORT_DOMAIN_GET_METADATA, self._backend) self.mem_stats_supported = self.conn.check_support( self.conn.SUPPORT_DOMAIN_MEMORY_STATS, self._backend) self.domain_state_supported = self.conn.check_support( self.conn.SUPPORT_DOMAIN_STATE, self._backend) # Determine available XML flags (older libvirt versions will error # out if passed SECURE_XML, INACTIVE_XML, etc) (self._inactive_xml_flags, self._active_xml_flags) = self.conn.get_dom_flags(self._backend) self.toggle_sample_network_traffic() self.toggle_sample_disk_io() self.toggle_sample_mem_stats() self.toggle_sample_cpu_stats() self.force_update_status(from_event=True, log=False) # Prime caches self.refresh_xml() self.has_managed_save() self.snapshots_supported() # Hook up listeners that need to be cleaned up self.add_gsettings_handle( self.config.on_stats_enable_cpu_poll_changed( self.toggle_sample_cpu_stats)) self.add_gsettings_handle( self.config.on_stats_enable_net_poll_changed( self.toggle_sample_network_traffic)) self.add_gsettings_handle( self.config.on_stats_enable_disk_poll_changed( self.toggle_sample_disk_io)) self.add_gsettings_handle( self.config.on_stats_enable_memory_poll_changed( self.toggle_sample_mem_stats)) self.connect("pre-startup", self._prestartup_nodedev_check) def _prestartup_nodedev_check(self, src, ret): ignore = src error = _("There is more than one '%s' device attached to " "your host, and we can't determine which one to " "use for your guest.\n" "To fix this, remove and reattach the USB device " "to your guest using the 'Add Hardware' wizard.") for hostdev in self.get_hostdev_devices(): devtype = hostdev.type if devtype != "usb": continue vendor = hostdev.vendor product = hostdev.product bus = hostdev.bus device = hostdev.device if vendor and product: count = self.conn.get_nodedevs_number("usb_device", vendor, product) if count > 1 and not (bus and device): prettyname = "%s %s" % (vendor, product) ret.append(error % prettyname) ########################### # Misc API getter methods # ########################### def _using_events(self): return self.conn.using_domain_events def get_id(self): if self._id is None: self._id = self._backend.ID() return self._id def status(self): return self.lastStatus def status_reason(self): return self._lastStatusReason def get_cloning(self): return self.cloning def set_cloning(self, val): self.cloning = bool(val) # If manual shutdown or destroy specified, make sure we don't continue # install process def get_install_abort(self): return bool(self._install_abort) def stable_defaults(self): return self.get_xmlobj().stable_defaults() def is_read_only(self): if self.is_management_domain(): return True return False def is_management_domain(self): if self._is_management_domain is None: self._is_management_domain = (self.conn.is_xen() and self.get_id() == 0) return self._is_management_domain def has_spicevmc_type_redirdev(self): devs = self.get_redirdev_devices() for dev in devs: if dev.type == "spicevmc": return True return False def get_id_pretty(self): i = self.get_id() if i < 0: return "-" return str(i) ################## # Support checks # ################## def _get_getvcpus_supported(self): return self.conn.check_support( self.conn.SUPPORT_DOMAIN_GETVCPUS, self._backend) getvcpus_supported = property(_get_getvcpus_supported) def _get_getjobinfo_supported(self): return self.conn.check_support( self.conn.SUPPORT_DOMAIN_JOB_INFO, self._backend) getjobinfo_supported = property(_get_getjobinfo_supported) def snapshots_supported(self): if not self.conn.check_support( self.conn.SUPPORT_DOMAIN_LIST_SNAPSHOTS, self._backend): return _("Libvirt connection does not support snapshots.") if self.list_snapshots(): return # Check if our disks are all qcow2 seen_qcow2 = False for disk in self.get_disk_devices(refresh_if_nec=False): if disk.read_only: continue if not disk.path: continue if disk.driver_type == "qcow2": seen_qcow2 = True continue return _("Snapshots are only supported if all writeable disks " "images allocated to the guest are qcow2 format.") if not seen_qcow2: return _("Snapshots require at least one writeable qcow2 disk " "image allocated to the guest.") def get_domain_capabilities(self): if not self._domain_caps: self._domain_caps = DomainCapabilities.build_from_guest( self.get_xmlobj()) return self._domain_caps ############################# # Internal XML handling API # ############################# def _invalidate_xml(self): vmmLibvirtObject._invalidate_xml(self) self._name = None self._id = None def _lookup_device_to_define(self, origdev, guest=None): if guest is None: guest = self._get_xmlobj_to_define() dev = _find_device(guest, origdev) if dev: return dev # If we are removing multiple dev from an active VM, a double # attempt may result in a lookup failure. If device is present # in the active XML, assume all is good. if _find_device(self.get_xmlobj(), origdev): logging.debug("Device in active config but not inactive config.") return raise RuntimeError(_("Could not find specified device in the " "inactive VM configuration: %s") % repr(origdev)) def _redefine_device(self, cb, origdev, use_live_device): if not use_live_device: dev = self._lookup_device_to_define(origdev) else: dev = origdev if dev: cb(dev) return dev ############################## # Persistent XML change APIs # ############################## # Device Add/Remove def add_device(self, devobj): """ Redefine guest with appended device XML 'devxml' """ def change(guest): guest.add_device(devobj) ret = self._redefine(change) self.redefine_cached() return ret def remove_device(self, devobj): """ Remove passed device from the inactive guest XML """ # HACK: If serial and console are both present, they both need # to be removed at the same time con = None if hasattr(devobj, "virtmanager_console_dup"): con = getattr(devobj, "virtmanager_console_dup") def change(guest): def rmdev(editdev): if con: rmcon = _find_device(guest, con) if rmcon: guest.remove_device(rmcon) guest.remove_device(editdev) return self._redefine_device(rmdev, devobj, False) ret = self._redefine(change) self.redefine_cached() return ret def define_cpu(self, vcpus=_SENTINEL, maxvcpus=_SENTINEL, cpuset=_SENTINEL, model=_SENTINEL, sockets=_SENTINEL, cores=_SENTINEL, threads=_SENTINEL): def change(guest): if vcpus != _SENTINEL: guest.curvcpus = int(vcpus) if maxvcpus != _SENTINEL: guest.vcpus = int(maxvcpus) if cpuset != _SENTINEL: guest.cpuset = cpuset if sockets != _SENTINEL: guest.cpu.sockets = sockets guest.cpu.cores = cores guest.cpu.threads = threads if model != _SENTINEL: if model in guest.cpu.SPECIAL_MODES: guest.cpu.set_special_mode(model) else: guest.cpu.model = model return self._redefine(change) def define_memory(self, memory=_SENTINEL, maxmem=_SENTINEL): def change(guest): if memory != _SENTINEL: guest.memory = int(memory) if maxmem != _SENTINEL: guest.maxmemory = int(maxmem) return self._redefine(change) def define_overview(self, machine=_SENTINEL, description=_SENTINEL, title=_SENTINEL, idmap_list=_SENTINEL, loader=_SENTINEL): def change(guest): if machine != _SENTINEL: guest.os.machine = machine if description != _SENTINEL: guest.description = description or None if title != _SENTINEL: guest.title = title or None if loader != _SENTINEL: if loader is None: # Implies seabios, aka the default, so clear everything guest.os.loader = None guest.os.loader_ro = None guest.os.loader_type = None guest.os.nvram = None guest.os.nvram_template = None else: # Implies UEFI guest.os.loader = loader guest.os.loader_type = "pflash" guest.os.loader_ro = True if idmap_list != _SENTINEL: if idmap_list is not None: # pylint: disable=unpacking-non-sequence (uid_target, uid_count, gid_target, gid_count) = idmap_list guest.idmap.uid_start = 0 guest.idmap.uid_target = uid_target guest.idmap.uid_count = uid_count guest.idmap.gid_start = 0 guest.idmap.gid_target = gid_target guest.idmap.gid_count = gid_count else: guest.idmap.clear() return self._redefine(change) def define_boot(self, boot_order=_SENTINEL, boot_menu=_SENTINEL, kernel=_SENTINEL, initrd=_SENTINEL, dtb=_SENTINEL, kernel_args=_SENTINEL, init=_SENTINEL, initargs=_SENTINEL): def _change_boot_order(guest): boot_dev_order = [] devmap = dict((dev.vmmidstr, dev) for dev in self.get_bootable_devices()) for b in boot_order: if b in devmap: boot_dev_order.append(devmap[b]) # Unset the traditional boot order guest.os.bootorder = [] # Unset device boot order for dev in guest.get_all_devices(): dev.boot.order = None count = 1 for origdev in boot_dev_order: dev = self._lookup_device_to_define(origdev, guest=guest) if not dev: continue dev.boot.order = count count += 1 def change(guest): if boot_order != _SENTINEL: if self.can_use_device_boot_order(): _change_boot_order(guest) else: guest.os.bootorder = boot_order if boot_menu != _SENTINEL: guest.os.enable_bootmenu = bool(boot_menu) if init != _SENTINEL: guest.os.init = init guest.os.set_initargs_string(initargs) if kernel != _SENTINEL: guest.os.kernel = kernel or None if initrd != _SENTINEL: guest.os.initrd = initrd or None if dtb != _SENTINEL: guest.os.dtb = dtb or None if kernel_args != _SENTINEL: guest.os.kernel_args = kernel_args or None return self._redefine(change) def define_disk(self, devobj, use_live_device, path=_SENTINEL, readonly=_SENTINEL, serial=_SENTINEL, shareable=_SENTINEL, removable=_SENTINEL, cache=_SENTINEL, io=_SENTINEL, driver_type=_SENTINEL, bus=_SENTINEL, addrstr=_SENTINEL, iotune_rbs=_SENTINEL, iotune_ris=_SENTINEL, iotune_tbs=_SENTINEL, iotune_tis=_SENTINEL, iotune_wbs=_SENTINEL, iotune_wis=_SENTINEL, sgio=_SENTINEL): def _change_bus(editdev): oldprefix = editdev.get_target_prefix()[0] oldbus = editdev.bus editdev.bus = bus if oldbus == bus: return editdev.address.clear() editdev.address.set_addrstr(addrstr) if oldprefix == editdev.get_target_prefix()[0]: return used = [] disks = (self.get_disk_devices() + self.get_disk_devices(inactive=True)) for d in disks: used.append(d.target) if editdev.target: used.remove(editdev.target) editdev.target = None editdev.generate_target(used) def change(editdev): if path != _SENTINEL: editdev.path = path if not use_live_device: editdev.sync_path_props() if readonly != _SENTINEL: editdev.read_only = readonly if shareable != _SENTINEL: editdev.shareable = shareable if removable != _SENTINEL: editdev.removable = removable if cache != _SENTINEL: editdev.driver_cache = cache or None if io != _SENTINEL: editdev.driver_io = io or None if driver_type != _SENTINEL: editdev.driver_type = driver_type or None if serial != _SENTINEL: editdev.serial = serial or None if iotune_rbs != _SENTINEL: editdev.iotune_rbs = iotune_rbs if iotune_ris != _SENTINEL: editdev.iotune_ris = iotune_ris if iotune_tbs != _SENTINEL: editdev.iotune_tbs = iotune_tbs if iotune_tis != _SENTINEL: editdev.iotune_tis = iotune_tis if iotune_wbs != _SENTINEL: editdev.iotune_wbs = iotune_wbs if iotune_wis != _SENTINEL: editdev.iotune_wis = iotune_wis if sgio != _SENTINEL: editdev.sgio = sgio or None if bus != _SENTINEL: _change_bus(editdev) return self._redefine_device(change, devobj, use_live_device) def define_network(self, devobj, use_live_device, ntype=_SENTINEL, source=_SENTINEL, mode=_SENTINEL, model=_SENTINEL, addrstr=_SENTINEL, vtype=_SENTINEL, managerid=_SENTINEL, typeid=_SENTINEL, typeidversion=_SENTINEL, instanceid=_SENTINEL, portgroup=_SENTINEL): def change(editdev): if ntype != _SENTINEL: editdev.source = None editdev.type = ntype editdev.source = source editdev.source_mode = mode or None editdev.portgroup = portgroup or None if model != _SENTINEL: if editdev.model != model: editdev.address.clear() editdev.address.set_addrstr(addrstr) editdev.model = model if vtype != _SENTINEL: editdev.virtualport.type = vtype or None editdev.virtualport.managerid = managerid or None editdev.virtualport.typeid = typeid or None editdev.virtualport.typeidversion = typeidversion or None editdev.virtualport.instanceid = instanceid or None return self._redefine_device(change, devobj, use_live_device) def define_graphics(self, devobj, use_live_device, listen=_SENTINEL, port=_SENTINEL, tlsport=_SENTINEL, passwd=_SENTINEL, keymap=_SENTINEL, gtype=_SENTINEL): def change(editdev): if listen != _SENTINEL: editdev.listen = listen if port != _SENTINEL: editdev.port = port if tlsport != _SENTINEL: editdev.tlsPort = tlsport if passwd != _SENTINEL: editdev.passwd = passwd if keymap != _SENTINEL: editdev.keymap = keymap if gtype != _SENTINEL: editdev.type = gtype return self._redefine_device(change, devobj, use_live_device) def define_sound(self, devobj, use_live_device, model=_SENTINEL): def change(editdev): if model != _SENTINEL: if editdev.model != model: editdev.address.clear() editdev.model = model return self._redefine_device(change, devobj, use_live_device) def define_video(self, devobj, use_live_device, model=_SENTINEL): def change(editdev): if model == _SENTINEL or model == editdev.model: return editdev.model = model editdev.address.clear() # Clear out heads/ram values so they reset to default. If # we ever allow editing these values in the UI we should # drop this editdev.vram = None editdev.heads = None editdev.ram = None editdev.vgamem = None return self._redefine_device(change, devobj, use_live_device) def define_watchdog(self, devobj, use_live_device, model=_SENTINEL, action=_SENTINEL): def change(editdev): if model != _SENTINEL: if editdev.model != model: editdev.address.clear() editdev.model = model if action != _SENTINEL: editdev.action = action return self._redefine_device(change, devobj, use_live_device) def define_smartcard(self, devobj, use_live_device, model=_SENTINEL): def change(editdev): if model != _SENTINEL: editdev.mode = model editdev.type = editdev.TYPE_DEFAULT return self._redefine_device(change, devobj, use_live_device) def define_controller(self, devobj, use_live_device, model=_SENTINEL): def _change_model(editdev): if editdev.type == "usb": guest = self._get_xmlobj_to_define() ctrls = guest.get_devices("controller") ctrls = [x for x in ctrls if (x.type == VirtualController.TYPE_USB)] for dev in ctrls: guest.remove_device(dev) if model == "ich9-ehci1": for dev in VirtualController.get_usb2_controllers( guest.conn): guest.add_device(dev) else: dev = VirtualController(guest.conn) dev.type = "usb" if model != "default": dev.model = model guest.add_device(dev) elif editdev.type == "scsi": if model == "default": editdev.model = None else: editdev.model = model self.hotplug(device=editdev) def change(editdev): if model != _SENTINEL: _change_model(editdev) return self._redefine_device(change, devobj, use_live_device) def define_filesystem(self, devobj, use_live_device, newdev=_SENTINEL): def change(editdev): if newdev == _SENTINEL: return # pylint: disable=maybe-no-member editdev.type = newdev.type editdev.mode = newdev.mode editdev.wrpolicy = newdev.wrpolicy editdev.driver = newdev.driver editdev.format = newdev.format editdev.readonly = newdev.readonly editdev.units = newdev.units editdev.source = newdev.source editdev.target = newdev.target return self._redefine_device(change, devobj, use_live_device) def define_hostdev(self, devobj, use_live_device, rom_bar=_SENTINEL): def change(editdev): if rom_bar != _SENTINEL: editdev.rom_bar = rom_bar return self._redefine_device(change, devobj, use_live_device) #################### # Hotplug routines # #################### def attach_device(self, devobj): """ Hotplug device to running guest """ if not self.is_active(): return devxml = devobj.get_xml_config() self._backend.attachDevice(devxml) def detach_device(self, devobj): """ Hotunplug device from running guest """ if not self.is_active(): return xml = devobj.get_xml_config() self._backend.detachDevice(xml) def _update_device(self, devobj, flags=None): if flags is None: flags = getattr(libvirt, "VIR_DOMAIN_DEVICE_MODIFY_LIVE", 1) xml = devobj.get_xml_config() logging.debug("Calling update_device with xml=\n%s", xml) self._backend.updateDeviceFlags(xml, flags) def hotplug(self, vcpus=_SENTINEL, memory=_SENTINEL, maxmem=_SENTINEL, description=_SENTINEL, title=_SENTINEL, storage_path=_SENTINEL, device=_SENTINEL): if not self.is_active(): return def _hotplug_memory(val): if val != self.get_memory(): self._backend.setMemory(val) def _hotplug_maxmem(val): if val != self.maximum_memory(): self._backend.setMaxMemory(val) def _hotplug_metadata(val, mtype): flags = (libvirt.VIR_DOMAIN_AFFECT_LIVE | libvirt.VIR_DOMAIN_AFFECT_CONFIG) self._backend.setMetadata(mtype, val, None, None, flags) if vcpus != _SENTINEL: vcpus = int(vcpus) if vcpus != self.vcpu_count(): self._backend.setVcpus(vcpus) if memory != _SENTINEL: logging.info("Hotplugging curmem=%s maxmem=%s for VM '%s'", memory, maxmem, self.get_name()) actual_cur = self.get_memory() if memory: if maxmem < actual_cur: # Set current first to avoid error _hotplug_memory(memory) _hotplug_maxmem(maxmem) else: _hotplug_maxmem(maxmem) _hotplug_memory(memory) else: _hotplug_maxmem(maxmem) if description != _SENTINEL: _hotplug_metadata(description, libvirt.VIR_DOMAIN_METADATA_DESCRIPTION) if title != _SENTINEL: _hotplug_metadata(title, libvirt.VIR_DOMAIN_METADATA_TITLE) if storage_path != _SENTINEL: # qemu originally only supported attach_device for updating # a device's path. Stick with that. We may need to differentiate # for other drivers that don't maintain back compat though self.attach_device(device) elif device != _SENTINEL: self._update_device(device) ######################## # Libvirt API wrappers # ######################## def _define(self, newxml): self.conn.define_domain(newxml) def _XMLDesc(self, flags): return self._backend.XMLDesc(flags) def get_autostart(self): if self._autostart is None: self._autostart = self._backend.autostart() return self._autostart def set_autostart(self, val): self._backend.setAutostart(val) # Recache value self._autostart = None self.get_autostart() def job_info(self): return self._backend.jobInfo() def abort_job(self): self._backend.abortJob() def open_console(self, devname, stream, flags=0): return self._backend.openConsole(devname, stream, flags) def refresh_snapshots(self): self._snapshot_list = None def list_snapshots(self): if self._snapshot_list is None: newlist = [] for rawsnap in self._backend.listAllSnapshots(): newlist.append(vmmDomainSnapshot(self.conn, rawsnap)) self._snapshot_list = newlist return self._snapshot_list[:] def revert_to_snapshot(self, snap): self._backend.revertToSnapshot(snap.get_backend()) self.idle_add(self.force_update_status) def create_snapshot(self, xml, redefine=False): flags = 0 if redefine: flags = (flags | libvirt.VIR_DOMAIN_SNAPSHOT_CREATE_REDEFINE) if not redefine: logging.debug("Creating snapshot flags=%s xml=\n%s", flags, xml) self._backend.snapshotCreateXML(xml, flags) ######################## # XML Parsing routines # ######################## def is_container(self): return self.get_xmlobj().os.is_container() def is_xenpv(self): return self.get_xmlobj().os.is_xenpv() def is_hvm(self): return self.get_xmlobj().os.is_hvm() def get_uuid(self): if self._uuid is None: self._uuid = self._backend.UUIDString() return self._uuid def get_abi_type(self): return self.get_xmlobj().os.os_type def get_hv_type(self): return self.get_xmlobj().type def get_pretty_hv_type(self): return self.conn.pretty_hv(self.get_abi_type(), self.get_hv_type()) def get_arch(self): return self.get_xmlobj().os.arch def get_init(self): import pipes init = self.get_xmlobj().os.init initargs = " ".join( [pipes.quote(i.val) for i in self.get_xmlobj().os.initargs]) return init, initargs def get_emulator(self): return self.get_xmlobj().emulator def get_machtype(self): return self.get_xmlobj().os.machine def get_idmap(self): return self.get_xmlobj().idmap def get_name_or_title(self): title = self.get_title() if title: return title return self.get_name() def get_title(self): return self.get_xmlobj().title def get_description(self): return self.get_xmlobj().description def get_memory(self): return int(self.get_xmlobj().memory) def maximum_memory(self): return int(self.get_xmlobj().maxmemory) def vcpu_count(self): return int(self.get_xmlobj().curvcpus or self.get_xmlobj().vcpus) def vcpu_max_count(self): return int(self.get_xmlobj().vcpus) def vcpu_pinning(self): return self.get_xmlobj().cpuset or "" def get_cpu_config(self): return self.get_xmlobj().cpu def _convert_old_boot_order(self): boot_order = self._get_old_boot_order() ret = [] disks = self.get_disk_devices() nets = self.get_network_devices() for b in boot_order: if b == "network": ret += [n.vmmidstr for n in nets] if b == "hd": ret += [d.vmmidstr for d in disks if d.device not in ["cdrom", "floppy"]] if b == "cdrom": ret += [d.vmmidstr for d in disks if d.device == "cdrom"] if b == "floppy": ret += [d.vmmidstr for d in disks if d.device == "floppy"] return ret def _get_device_boot_order(self): devs = self.get_bootable_devices() order = [] for dev in devs: if not dev.boot.order: continue order.append((dev.vmmidstr, dev.boot.order)) if not order: # No devices individually marked bootable, convert traditional # boot XML to fine grained, for the UI. return self._convert_old_boot_order() order.sort(key=lambda p: p[1]) return [p[0] for p in order] def _get_old_boot_order(self): return self.get_xmlobj().os.bootorder def get_boot_order(self): if self.can_use_device_boot_order(): return self._get_device_boot_order() return self._get_old_boot_order() def get_boot_menu(self): guest = self.get_xmlobj() return bool(guest.os.enable_bootmenu) def get_boot_kernel_info(self): guest = self.get_xmlobj() return (guest.os.kernel, guest.os.initrd, guest.os.dtb, guest.os.kernel_args) # XML Device listing def get_serial_devs(self): devs = self.get_char_devices() devlist = [] devlist += [x for x in devs if x.virtual_device_type == "serial"] devlist += [x for x in devs if x.virtual_device_type == "console"] return devlist def _build_device_list(self, device_type, refresh_if_nec=True, inactive=False): guest = self.get_xmlobj(refresh_if_nec=refresh_if_nec, inactive=inactive) devs = guest.get_devices(device_type) for idx in range(len(devs)): devs[idx].vmmindex = idx devs[idx].vmmidstr = devs[idx].virtual_device_type + ("%.3d" % idx) return devs def get_network_devices(self, refresh_if_nec=True): return self._build_device_list("interface", refresh_if_nec) def get_video_devices(self): return self._build_device_list("video") def get_hostdev_devices(self): return self._build_device_list("hostdev") def get_watchdog_devices(self): return self._build_device_list("watchdog") def get_input_devices(self): return self._build_device_list("input") def get_graphics_devices(self): return self._build_device_list("graphics") def get_sound_devices(self): return self._build_device_list("sound") def get_controller_devices(self): return self._build_device_list("controller") def get_filesystem_devices(self): return self._build_device_list("filesystem") def get_smartcard_devices(self): return self._build_device_list("smartcard") def get_redirdev_devices(self): return self._build_device_list("redirdev") def get_tpm_devices(self): return self._build_device_list("tpm") def get_rng_devices(self): return self._build_device_list("rng") def get_panic_devices(self): return self._build_device_list("panic") def get_disk_devices(self, refresh_if_nec=True, inactive=False): devs = self._build_device_list("disk", refresh_if_nec, inactive) # Iterate through all disks and calculate what number they are # HACK: We are making a variable in VirtualDisk to store the index idx_mapping = {} for dev in devs: devtype = dev.device bus = dev.bus key = devtype + (bus or "") if key not in idx_mapping: idx_mapping[key] = 1 dev.disk_bus_index = idx_mapping[key] idx_mapping[key] += 1 return devs def get_char_devices(self): devs = [] serials = self._build_device_list("serial") parallels = self._build_device_list("parallel") consoles = self._build_device_list("console") channels = self._build_device_list("channel") for devicelist in [serials, parallels, consoles, channels]: devs.extend(devicelist) # Don't display if it's just a duplicate of if (len(consoles) > 0 and len(serials) > 0): con = consoles[0] ser = serials[0] if (con.type == ser.type and con.target_type is None or con.target_type == "serial"): ser.virtmanager_console_dup = con devs.remove(con) return devs def can_use_device_boot_order(self): # Return 'True' if guest can use new style boot device ordering return self.conn.check_support( self.conn.SUPPORT_CONN_DEVICE_BOOTORDER) def get_bootable_devices(self): devs = self.get_disk_devices() devs += self.get_network_devices() devs += self.get_hostdev_devices() # redirdev can also be marked bootable, but it should be rarely # used and clutters the UI return devs ############################ # Domain lifecycle methods # ############################ # All these methods are usually run asynchronously from threads, so # let's be extra careful and have anything which might touch UI # or GObject.props invoked in an idle callback def _unregister_reboot_listener(self): if self.reboot_listener is None: return try: self.idle_add(self.disconnect, self.reboot_listener) self.reboot_listener = None except: pass def manual_reboot(self): """ Attempt a manual reboot by invoking 'shutdown', then listen for a state change and restart the VM """ def reboot_listener(vm, ignore1, ignore2, self): if vm.is_crashed(): # Abandon reboot plans self.reboot_listener = None return True if not vm.is_shutoff(): # Not shutoff, continue waiting return try: logging.debug("Fake reboot detected shutdown. Restarting VM") vm.startup() except: logging.exception("Fake reboot startup failed") self.reboot_listener = None return True self._unregister_reboot_listener() # Request a shutdown self.shutdown() def add_reboot(): self.reboot_listener = self.connect_opt_out("status-changed", reboot_listener, self) self.idle_add(add_reboot) def shutdown(self): self._install_abort = True self._unregister_reboot_listener() self._backend.shutdown() self.idle_add(self.force_update_status) def reboot(self): self._install_abort = True self._backend.reboot(0) self.idle_add(self.force_update_status) def destroy(self): self._install_abort = True self._unregister_reboot_listener() self._backend.destroy() self.idle_add(self.force_update_status) def reset(self): self._install_abort = True self._backend.reset(0) self.idle_add(self.force_update_status) def startup(self): if self.get_cloning(): raise RuntimeError(_("Cannot start guest while cloning " "operation in progress")) pre_startup_ret = [] self.emit("pre-startup", pre_startup_ret) for error in pre_startup_ret: raise RuntimeError(error) self._backend.create() self.idle_add(self.force_update_status) def suspend(self): self._backend.suspend() self.idle_add(self.force_update_status) def delete(self, force=True): flags = 0 if force: flags |= getattr(libvirt, "VIR_DOMAIN_UNDEFINE_SNAPSHOTS_METADATA", 0) flags |= getattr(libvirt, "VIR_DOMAIN_UNDEFINE_MANAGED_SAVE", 0) if (self.get_xmlobj().os.loader_ro is True and self.get_xmlobj().os.loader_type == "pflash"): flags |= getattr(libvirt, "VIR_DOMAIN_UNDEFINE_NVRAM", 0) try: self._backend.undefineFlags(flags) except libvirt.libvirtError: logging.exception("libvirt undefineFlags failed, " "falling back to old style") self._backend.undefine() def resume(self): if self.get_cloning(): raise RuntimeError(_("Cannot resume guest while cloning " "operation in progress")) self._backend.resume() self.idle_add(self.force_update_status) def has_managed_save(self): if not self.managedsave_supported: return False if self._has_managed_save is None: try: self._has_managed_save = self._backend.hasManagedSaveImage(0) except libvirt.libvirtError, e: if not util.exception_is_libvirt_error(e, "VIR_ERR_NO_DOMAIN"): raise return False return self._has_managed_save def remove_saved_image(self): if not self.has_managed_save(): return self._backend.managedSaveRemove(0) self._has_managed_save = None def save(self, filename=None, meter=None): self._install_abort = True if meter: start_job_progress_thread(self, meter, _("Saving domain to disk")) if not self.managedsave_supported: self._backend.save(filename) else: self._backend.managedSave(0) self.idle_add(self.force_update_status) def support_downtime(self): return self.conn.check_support( self.conn.SUPPORT_DOMAIN_MIGRATE_DOWNTIME, self._backend) def migrate_set_max_downtime(self, max_downtime, flag=0): self._backend.migrateSetMaxDowntime(max_downtime, flag) def migrate(self, destconn, interface=None, rate=0, live=False, secure=False, unsafe=False, meter=None): self._install_abort = True newname = None flags = 0 if live: flags |= libvirt.VIR_MIGRATE_LIVE if secure: flags |= libvirt.VIR_MIGRATE_PEER2PEER flags |= libvirt.VIR_MIGRATE_TUNNELLED if unsafe: flags |= libvirt.VIR_MIGRATE_UNSAFE libvirt_destconn = destconn.get_backend().get_conn_for_api_arg() logging.debug("Migrating: conn=%s flags=%s dname=%s uri=%s rate=%s", destconn, flags, newname, interface, rate) if meter: start_job_progress_thread(self, meter, _("Migrating domain")) self._backend.migrate( libvirt_destconn, flags, newname, interface, rate) def define_cb(): newxml = self.get_xml(inactive=True) destconn.define_domain(newxml) self.idle_add(define_cb) # Don't schedule any conn update, migrate dialog handles it for us ################# # Stats helpers # ################# def _sample_cpu_stats(self, info, now): if not self._enable_cpu_stats: return 0, 0, 0, 0 prevCpuTime = 0 prevTimestamp = 0 cpuTime = 0 cpuTimeAbs = 0 pcentHostCpu = 0 pcentGuestCpu = 0 if len(self.record) > 0: prevTimestamp = self.record[0]["timestamp"] prevCpuTime = self.record[0]["cpuTimeAbs"] if not (info[0] in [libvirt.VIR_DOMAIN_SHUTOFF, libvirt.VIR_DOMAIN_CRASHED]): guestcpus = info[3] cpuTime = info[4] - prevCpuTime cpuTimeAbs = info[4] hostcpus = self.conn.host_active_processor_count() pcentbase = (((cpuTime) * 100.0) / ((now - prevTimestamp) * 1000.0 * 1000.0 * 1000.0)) pcentHostCpu = pcentbase / hostcpus # Under RHEL-5.9 using a XEN HV guestcpus can be 0 during shutdown # so play safe and check it. pcentGuestCpu = guestcpus > 0 and pcentbase / guestcpus or 0 pcentHostCpu = max(0.0, min(100.0, pcentHostCpu)) pcentGuestCpu = max(0.0, min(100.0, pcentGuestCpu)) return cpuTime, cpuTimeAbs, pcentHostCpu, pcentGuestCpu def _get_cur_rate(self, what): if len(self.record) > 1: ret = (float(self.record[0][what] - self.record[1][what]) / float(self.record[0]["timestamp"] - self.record[1]["timestamp"])) else: ret = 0.0 return max(ret, 0, 0) # avoid negative values at poweroff def _set_max_rate(self, record, what): if record[what] > self.maxRecord[what]: self.maxRecord[what] = record[what] def _get_max_rate(self, name1, name2): return float(max(self.maxRecord[name1], self.maxRecord[name2])) def _get_record_helper(self, record_name): if len(self.record) == 0: return 0 return self.record[0][record_name] def _vector_helper(self, record_name): vector = [] stats = self.record for i in range(self.config.get_stats_history_length() + 1): if i < len(stats): vector.append(stats[i][record_name] / 100.0) else: vector.append(0) return vector def _in_out_vector_helper(self, name1, name2, ceil): vector = [] stats = self.record if ceil is None: ceil = self._get_max_rate(name1, name2) maxlen = self.config.get_stats_history_length() for n in [name1, name2]: for i in range(maxlen + 1): if i < len(stats): vector.append(float(stats[i][n]) / ceil) else: vector.append(0.0) return vector def in_out_vector_limit(self, data, limit): l = len(data) / 2 end = min(l, limit) if l > limit: data = data[0:end] + data[l:l + end] return [(x + y) / 2 for x, y in zip(data[0:end], data[end:end * 2])] def toggle_sample_network_traffic(self, ignore=None): self._enable_net_poll = self.config.get_stats_enable_net_poll() if self._enable_net_poll and len(self.record) > 1: rxBytes, txBytes = self._sample_network_traffic() self.record[0]["netRxKiB"] = rxBytes / 1024 self.record[0]["netTxKiB"] = txBytes / 1024 def toggle_sample_disk_io(self, ignore=None): self._enable_disk_poll = self.config.get_stats_enable_disk_poll() if self._enable_disk_poll and len(self.record) > 1: rdBytes, wrBytes = self._sample_disk_io() self.record[0]["diskRdKiB"] = rdBytes / 1024 self.record[0]["diskWrKiB"] = wrBytes / 1024 def toggle_sample_mem_stats(self, ignore=None): self._enable_mem_stats = self.config.get_stats_enable_memory_poll() def toggle_sample_cpu_stats(self, ignore=None): self._enable_cpu_stats = self.config.get_stats_enable_cpu_poll() ################### # Stats accessors # ################### def stats_memory(self): return self._get_record_helper("curmem") def cpu_time(self): return self._get_record_helper("cpuTime") def host_cpu_time_percentage(self): return self._get_record_helper("cpuHostPercent") def guest_cpu_time_percentage(self): return self._get_record_helper("cpuGuestPercent") def network_rx_rate(self): return self._get_record_helper("netRxRate") def network_tx_rate(self): return self._get_record_helper("netTxRate") def disk_read_rate(self): return self._get_record_helper("diskRdRate") def disk_write_rate(self): return self._get_record_helper("diskWrRate") def get_memory_pretty(self): return util.pretty_mem(self.get_memory()) def maximum_memory_pretty(self): return util.pretty_mem(self.maximum_memory()) def network_traffic_rate(self): return self.network_tx_rate() + self.network_rx_rate() def network_traffic_max_rate(self): return self._get_max_rate("netRxRate", "netTxRate") def disk_io_rate(self): return self.disk_read_rate() + self.disk_write_rate() def disk_io_max_rate(self): return self._get_max_rate("diskRdRate", "diskWrRate") def host_cpu_time_vector(self): return self._vector_helper("cpuHostPercent") def guest_cpu_time_vector(self): return self._vector_helper("cpuGuestPercent") def stats_memory_vector(self): return self._vector_helper("currMemPercent") def network_traffic_vector(self, ceil=None): return self._in_out_vector_helper("netRxRate", "netTxRate", ceil) def disk_io_vector(self, ceil=None): return self._in_out_vector_helper("diskRdRate", "diskWrRate", ceil) def host_cpu_time_vector_limit(self, limit): cpudata = self.host_cpu_time_vector() if len(cpudata) > limit: cpudata = cpudata[0:limit] return cpudata def guest_cpu_time_vector_limit(self, limit): cpudata = self.guest_cpu_time_vector() if len(cpudata) > limit: cpudata = cpudata[0:limit] return cpudata def memory_usage_vector_limit(self, limit): return self.in_out_vector_limit(self.stats_memory_vector(), limit) def network_traffic_vector_limit(self, limit, ceil=None): return self.in_out_vector_limit(self.network_traffic_vector(ceil), limit) def disk_io_vector_limit(self, limit, ceil=None): return self.in_out_vector_limit(self.disk_io_vector(ceil), limit) ################### # Status helpers ## ################### def _normalize_status(self, status): if status == libvirt.VIR_DOMAIN_NOSTATE: return libvirt.VIR_DOMAIN_RUNNING elif status == libvirt.VIR_DOMAIN_BLOCKED: return libvirt.VIR_DOMAIN_RUNNING return status def is_active(self): return not self.is_shutoff() def is_shutoff(self): return self.status() == libvirt.VIR_DOMAIN_SHUTOFF def is_crashed(self): return self.status() == libvirt.VIR_DOMAIN_CRASHED def is_stoppable(self): return self.status() in [libvirt.VIR_DOMAIN_RUNNING, libvirt.VIR_DOMAIN_PAUSED, libvirt.VIR_DOMAIN_PMSUSPENDED] def is_destroyable(self): return (self.is_stoppable() or self.status() in [libvirt.VIR_DOMAIN_CRASHED]) def is_runable(self): return self.status() in [libvirt.VIR_DOMAIN_SHUTOFF, libvirt.VIR_DOMAIN_CRASHED] def is_pauseable(self): return self.status() in [libvirt.VIR_DOMAIN_RUNNING] def is_unpauseable(self): return self.status() in [libvirt.VIR_DOMAIN_PAUSED] def is_paused(self): return self.status() in [libvirt.VIR_DOMAIN_PAUSED] def run_status(self): return self.pretty_run_status(self.status(), self.has_managed_save()) def run_status_reason(self): return self.pretty_status_reason(self.status(), self.status_reason()) def run_status_icon_name(self): status = self.status() if status not in vm_status_icons: logging.debug("Unknown status %d, using NOSTATE", status) status = libvirt.VIR_DOMAIN_NOSTATE return vm_status_icons[status] def force_update_status(self, from_event=False, log=True): """ Fetch current domain state and clear status cache """ if not from_event and self._using_events(): return try: info = self._backend.info() if log: logging.debug("domain=%s status changed to %d=%s", self.get_name(), info[0], self.pretty_run_status(info[0])) self._update_status(info[0]) except libvirt.libvirtError, e: # Transient domain might have disappeared, tell the connection # to update the domain list logging.debug("Error setting domain status: %s\nDomain might " "have disappeared, triggering connection tick", e) self.conn.schedule_priority_tick(pollvm=True, force=True) def _update_status(self, status): """ Internal helper to change cached status to 'status' and signal clients if we actually changed state """ status = self._normalize_status(status) if status == self.lastStatus: return oldstatus = self.lastStatus self.lastStatus = status if self.domain_state_supported: self._lastStatusReason = self._backend.state()[1] self._has_managed_save = None # Send 'config-changed' before a status-update, so users # are operating with fresh XML self.refresh_xml() self.idle_emit("status-changed", oldstatus, status) def inspection_data_updated(self): self.idle_emit("inspection-changed") ################## # config helpers # ################## def on_console_scaling_changed(self, *args, **kwargs): return self.config.listen_pervm(self.get_uuid(), "/scaling", *args, **kwargs) def set_console_scaling(self, value): self.config.set_pervm(self.get_uuid(), "/scaling", value) def get_console_scaling(self): ret = self.config.get_pervm(self.get_uuid(), "/scaling") if ret == -1: return self.config.get_console_scaling() return ret def on_console_resizeguest_changed(self, *args, **kwargs): return self.config.listen_pervm(self.get_uuid(), "/resize-guest", *args, **kwargs) def set_console_resizeguest(self, value): self.config.set_pervm(self.get_uuid(), "/resize-guest", value) def get_console_resizeguest(self): ret = self.config.get_pervm(self.get_uuid(), "/resize-guest") if ret == -1: return self.config.get_console_resizeguest() return ret def set_details_window_size(self, w, h): self.config.set_pervm(self.get_uuid(), "/vm-window-size", (w, h)) def get_details_window_size(self): ret = self.config.get_pervm(self.get_uuid(), "/vm-window-size") return ret def get_console_password(self): return self.config.get_pervm(self.get_uuid(), "/console-password") def set_console_password(self, username, keyid): return self.config.set_pervm(self.get_uuid(), "/console-password", (username, keyid)) def get_cache_dir(self): ret = os.path.join(self.conn.get_cache_dir(), self.get_uuid()) if not os.path.exists(ret): os.makedirs(ret, 0755) return ret ################### # Polling helpers # ################### def _sample_network_traffic(self): rx = 0 tx = 0 if (not self._stats_net_supported or not self._enable_net_poll or not self.is_active()): self._stats_net_skip = [] return rx, tx for netdev in self.get_network_devices(refresh_if_nec=False): dev = netdev.target_dev if not dev: continue if dev in self._stats_net_skip: continue try: io = self._backend.interfaceStats(dev) if io: rx += io[0] tx += io[4] except libvirt.libvirtError, err: if util.is_error_nosupport(err): logging.debug("Net stats not supported: %s", err) self._stats_net_supported = False else: logging.error("Error reading net stats for " "'%s' dev '%s': %s", self.get_name(), dev, err) if self.is_active(): logging.debug("Adding %s to skip list", dev) self._stats_net_skip.append(dev) else: logging.debug("Aren't running, don't add to skiplist") return rx, tx def _sample_disk_io(self): rd = 0 wr = 0 if (not self._stats_disk_supported or not self._enable_disk_poll or not self.is_active()): self._stats_disk_skip = [] return rd, wr # Some drivers support this method for getting all usage at once if not self._summary_disk_stats_skip: try: io = self._backend.blockStats('') if io: rd = io[1] wr = io[3] return rd, wr except libvirt.libvirtError: self._summary_disk_stats_skip = True # did not work, iterate over all disks for disk in self.get_disk_devices(refresh_if_nec=False): dev = disk.target if not dev: continue if dev in self._stats_disk_skip: continue try: io = self._backend.blockStats(dev) if io: rd += io[1] wr += io[3] except libvirt.libvirtError, err: if util.is_error_nosupport(err): logging.debug("Disk stats not supported: %s", err) self._stats_disk_supported = False else: logging.error("Error reading disk stats for " "'%s' dev '%s': %s", self.get_name(), dev, err) if self.is_active(): logging.debug("Adding %s to skip list", dev) self._stats_disk_skip.append(dev) else: logging.debug("Aren't running, don't add to skiplist") return rd, wr def _sample_mem_stats(self): if (not self.mem_stats_supported or not self._enable_mem_stats or not self.is_active()): return 0, 0 curmem = 0 totalmem = 1 try: stats = self._backend.memoryStats() # did we get both required stat items back? if set(['actual', 'rss']).issubset( set(stats.keys())): curmem = stats['rss'] totalmem = stats['actual'] except libvirt.libvirtError, err: logging.error("Error reading mem stats: %s", err) pcentCurrMem = curmem * 100.0 / totalmem pcentCurrMem = max(0.0, min(pcentCurrMem, 100.0)) return pcentCurrMem, curmem def tick(self, stats_update=True): if not self._using_events(): self._invalidate_xml() info = [] if not self._using_events() or self._enable_cpu_stats: info = self._backend.info() if stats_update: self._tick_stats(info) if not self._using_events(): self._update_status(info[0]) if stats_update: self.idle_emit("resources-sampled") def _tick_stats(self, info): expected = self.config.get_stats_history_length() current = len(self.record) if current > expected: del self.record[expected:current] # Xen reports complete crap for Dom0 max memory # (ie MAX_LONG) so lets clamp it to the actual # physical RAM in machine which is the effective # real world limit if self.is_management_domain() and info: info[1] = self.conn.host_memory_size() now = time.time() (cpuTime, cpuTimeAbs, pcentHostCpu, pcentGuestCpu) = self._sample_cpu_stats(info, now) pcentCurrMem, curmem = self._sample_mem_stats() rdBytes, wrBytes = self._sample_disk_io() rxBytes, txBytes = self._sample_network_traffic() newStats = { "timestamp": now, "cpuTime": cpuTime, "cpuTimeAbs": cpuTimeAbs, "cpuHostPercent": pcentHostCpu, "cpuGuestPercent": pcentGuestCpu, "curmem": curmem, "currMemPercent": pcentCurrMem, "diskRdKiB": rdBytes / 1024, "diskWrKiB": wrBytes / 1024, "netRxKiB": rxBytes / 1024, "netTxKiB": txBytes / 1024, } for r in ["diskRd", "diskWr", "netRx", "netTx"]: newStats[r + "Rate"] = self._get_cur_rate(r + "KiB") self._set_max_rate(newStats, r + "Rate") self.record.insert(0, newStats) ######################## # Libvirt domain class # ######################## class vmmDomainVirtinst(vmmDomain): """ Domain object backed by a virtinst Guest object. Used for launching a details window for customizing a VM before install. """ def __init__(self, conn, backend, key): vmmDomain.__init__(self, conn, backend, key) self._orig_xml = "" def get_name(self): return self._backend.name def get_uuid(self): return self._backend.uuid def get_id(self): return -1 def has_managed_save(self): return False def _XMLDesc(self, flags): raise RuntimeError("Shouldn't be called") def get_xml(self, *args, **kwargs): ignore = args ignore = kwargs return self._backend.get_install_xml(install=False) def _refresh_orig_xml(self): # We need to cache origxml in order to have something to diff against if not self._orig_xml: self._orig_xml = self._backend.get_xml_config() def get_xmlobj(self, inactive=False, refresh_if_nec=True): self._refresh_orig_xml() return self._backend def _reparse_xml(self, *args, **kwargs): ignore = args ignore = kwargs def _define(self, newxml): ignore = newxml self._orig_xml = "" self.emit("config-changed") def _redefine_xml(self, newxml): return self._redefine_helper(self._orig_xml, newxml) def refresh_xml(self, forcesignal=False): # No caching, so no refresh needed return def snapshots_supported(self): return False def get_autostart(self): return self._backend.autostart def set_autostart(self, val): self._backend.autostart = bool(val) self.emit("config-changed") def define_name(self, newname): def change(guest): guest.name = str(newname) return self._redefine(change)