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https://github.com/virt-manager/virt-manager.git
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280663c685
Our search dialog isn't as full featured as packagekits, so just call out to that. This was originally avoided because it doesn't full provide the semantics we want, but it's close enough and saves us from duplicating all their work.
147 lines
4.9 KiB
Python
147 lines
4.9 KiB
Python
#
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# Copyright (C) 2012 Red Hat, Inc.
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# Copyright (C) 2012 Cole Robinson <crobinso@redhat.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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#
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# pylint: disable=E0611
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from gi.repository import Gio
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# pylint: enable=E0611
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import logging
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import time
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#############################
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# PackageKit lookup helpers #
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#############################
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def check_packagekit(parent, errbox, packages):
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"""
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Returns None when we determine nothing useful.
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Returns (success, did we just install libvirt) otherwise.
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"""
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if not packages:
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logging.debug("No PackageKit packages to search for.")
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return
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logging.debug("Asking PackageKit what's installed locally.")
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try:
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bus = Gio.bus_get_sync(Gio.BusType.SYSTEM, None)
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Gio.DBusProxy.new_sync(bus, 0, None,
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"org.freedesktop.PackageKit",
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"/org/freedesktop/PackageKit",
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"org.freedesktop.PackageKit", None)
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except Exception:
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logging.exception("Couldn't connect to packagekit")
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return
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try:
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packagekit_install(parent, packages)
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except Exception, e:
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if "Modify.transactionCancelled" in str(e):
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logging.debug("PackageKit transaction cancelled.")
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return
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errbox.show_err(_("Error talking to PackageKit: %s") % str(e))
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return
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return True
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def packagekit_install(parent, package_list):
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bus = Gio.bus_get_sync(Gio.BusType.SESSION, None)
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pk_control = Gio.DBusProxy.new_sync(bus, 0, None,
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"org.freedesktop.PackageKit",
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"/org/freedesktop/PackageKit",
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"org.freedesktop.PackageKit.Modify", None)
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xid = 0
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try:
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# Need to import GdkX11 just to get access to get_xid function
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# This will likely fail on wayland in the future, so ignore errors
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from gi.repository import GdkX11 # pylint: disable=E0611
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ignore = GdkX11
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if parent and parent.topwin.get_window():
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xid = parent.topwin.get_window().get_xid()
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except:
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pass
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# Set 2 hour timeout
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timeout = 1000 * 60 * 60 * 2
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logging.debug("Installing packages: %s", package_list)
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pk_control.InstallPackageNames("(uass)", xid, package_list, "",
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timeout=timeout)
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###################
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# Service helpers #
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###################
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def start_libvirtd():
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"""
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Connect to systemd and start libvirtd if required
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"""
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logging.debug("Trying to start libvirtd through systemd")
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unitname = "libvirtd.service"
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try:
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bus = Gio.bus_get_sync(Gio.BusType.SYSTEM, None)
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except:
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logging.exception("Error getting system bus handle")
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return
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try:
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systemd = Gio.DBusProxy.new_sync(bus, 0, None,
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"org.freedesktop.systemd1",
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"/org/freedesktop/systemd1",
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"org.freedesktop.systemd1.Manager", None)
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except:
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logging.exception("Couldn't connect to systemd")
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return
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try:
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unitpath = systemd.GetUnit("(s)", unitname)
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unit = Gio.DBusProxy.new_sync(bus, 0, None,
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"org.freedesktop.systemd1", unitpath,
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"org.freedesktop.systemd1.Unit", None)
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state = unit.get_cached_property("ActiveState")
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logging.debug("libvirtd state=%s", state)
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if str(state).lower().strip("'") == "active":
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logging.debug("libvirtd already active, not starting")
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return True
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except:
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logging.exception("Failed to lookup libvirtd status")
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return
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# Connect to system-config-services and offer to start
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try:
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logging.debug("libvirtd not running, asking system-config-services "
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"to start it")
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scs = Gio.DBusProxy.new_sync(bus, 0, None,
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"org.fedoraproject.Config.Services",
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"/org/fedoraproject/Config/Services/systemd1",
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"org.freedesktop.systemd1.Manager", None)
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scs.StartUnit("(ss)", unitname, "replace")
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time.sleep(2)
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logging.debug("Starting libvirtd appeared to succeed")
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return True
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except:
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logging.exception("Failed to talk to system-config-services")
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