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https://github.com/virt-manager/virt-manager.git
synced 2024-10-27 01:55:20 +03:00
VM Migration support (Shigeki Sakamoto)
This commit is contained in:
Cole Robinson
parent
f4e8187283
commit
d2c6bb5996
@ -95,6 +95,8 @@ class vmmDetails(gobject.GObject):
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gobject.TYPE_NONE, []),
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"action-view-manager": (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, []),
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"action-migrate-domain": (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, (str,str,str)),
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}
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@ -131,6 +133,13 @@ class vmmDetails(gobject.GObject):
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menu = gtk.Menu()
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self.window.get_widget("control-shutdown").set_menu(menu)
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self.migrate_menu_items = {}
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self.migrate_menu_items["(None)"] = gtk.ImageMenuItem(_("(None)"))
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self.migrate_menu_items["(None)"].show()
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self.migrate_menu_items["(None)"].set_sensitive(False)
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self.window.get_widget("details-menu-migrate_menu").add(self.migrate_menu_items["(None)"])
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rebootimg = gtk.Image()
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rebootimg.set_from_pixbuf(gtk.gdk.pixbuf_new_from_file_at_size(self.config.get_icon_dir() + "/icon_shutdown.png", 18, 18))
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shutdownimg = gtk.Image()
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@ -661,6 +670,32 @@ class vmmDetails(gobject.GObject):
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def control_vm_destroy(self, src):
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self.emit("action-destroy-domain", self.vm.get_connection().get_uri(), self.vm.get_uuid())
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def control_vm_migrate(self, src):
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# get selected submenu(destination hostname)
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hostname = self.window.get_widget("details-menu-migrate_menu").get_active().get_image().get_stock()[0]
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for key in self.engine.connections.keys():
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if self.engine.get_connection(key).get_hostname() == hostname:
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host_uri = key
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break
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self.emit("action-migrate-domain", self.vm.get_connection().get_uri(), self.vm.get_uuid(), host_uri)
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def set_migrate_menu(self):
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menu = self.window.get_widget("details-menu-migrate_menu")
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# clear migrate-submenu
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for submenu_item in menu.get_children():
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submenu_item_name = submenu_item.get_image().get_stock()[0]
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menu.remove(self.migrate_menu_items[submenu_item_name])
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available_migrate_hostnames = self.engine.get_available_migrate_hostnames()
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if len(available_migrate_hostnames) == 0:
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menu.add(self.migrate_menu_items["(None)"])
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else:
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for hostname in available_migrate_hostnames.values():
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self.migrate_menu_items[hostname] = gtk.ImageMenuItem(hostname)
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self.migrate_menu_items[hostname].show()
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self.migrate_menu_items[hostname].connect("activate", self.control_vm_migrate)
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menu.add(self.migrate_menu_items[hostname])
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def set_pause_widget_states(self, state):
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try:
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self.ignorePause = True
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@ -707,6 +742,13 @@ class vmmDetails(gobject.GObject):
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self.window.get_widget("details-menu-shutdown").set_sensitive(True)
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self.window.get_widget("details-menu-save").set_sensitive(True)
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# Currently, the condition that "Migrate" become insensitive is only "readonly".
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if vm.is_read_only():
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self.window.get_widget("details-menu-migrate").set_sensitive(False)
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else:
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self.window.get_widget("details-menu-migrate").set_sensitive(True)
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self.set_migrate_menu()
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if status in [ libvirt.VIR_DOMAIN_SHUTOFF ,libvirt.VIR_DOMAIN_CRASHED ]:
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if self.window.get_widget("console-pages").get_current_page() != PAGE_UNAVAILABLE:
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self.vncViewer.close()
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@ -1103,4 +1103,10 @@ class vmmDomain(gobject.GObject):
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self._disk_io = self._sample_disk_io_dummy
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def migrate(self, dictcon):
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flags = 0
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if self.lastStatus == libvirt.VIR_DOMAIN_RUNNING:
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flags = libvirt.VIR_MIGRATE_LIVE
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self.vm.migrate(self.connection.vmm, flags, None, dictcon.get_short_hostname(), 0)
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gobject.type_register(vmmDomain)
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@ -202,6 +202,8 @@ class vmmEngine(gobject.GObject):
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self.shutdown_domain(src, uri, uuid)
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def _do_reboot_domain(self, src, uri, uuid):
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self.reboot_domain(src, uri, uuid)
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def _do_migrate_domain(self, src, uri, uuid, desturi):
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self.migrate_domain(uri, uuid, desturi)
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def _do_exit_app(self, src):
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self.exit_app()
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@ -279,6 +281,7 @@ class vmmEngine(gobject.GObject):
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details.connect("action-reboot-domain", self._do_reboot_domain)
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details.connect("action-exit-app", self._do_exit_app)
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details.connect("action-view-manager", self._do_show_manager)
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details.connect("action-migrate-domain", self._do_migrate_domain)
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except Exception, e:
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self.err.show_err(_("Error bringing up domain details: %s") % str(e),
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@ -296,6 +299,7 @@ class vmmEngine(gobject.GObject):
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self.windowManager.connect("action-shutdown-domain", self._do_shutdown_domain)
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self.windowManager.connect("action-reboot-domain", self._do_reboot_domain)
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self.windowManager.connect("action-destroy-domain", self._do_destroy_domain)
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self.windowManager.connect("action-migrate-domain", self._do_migrate_domain)
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self.windowManager.connect("action-show-console", self._do_show_console)
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self.windowManager.connect("action-show-details", self._do_show_details)
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self.windowManager.connect("action-show-preferences", self._do_show_preferences)
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@ -529,6 +533,64 @@ class vmmEngine(gobject.GObject):
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else:
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logging.warning("Reboot requested, but machine is already shutting down / shutoff")
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def migrate_domain(self, uri, uuid, desturi):
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conn = self.get_connection(uri, False)
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vm = conn.get_vm(uuid)
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destconn = self.get_connection(desturi, False)
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resp = self.err.yes_no(_("%s will be migrated from %s to %s, are you sure?") % \
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(vm.get_name(), conn.get_hostname(), destconn.get_hostname()))
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if resp:
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migrate_progress = None
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try:
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# show progress dialog
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migrate_progress = self.get_migrate_progress(vm.get_name(), conn.get_short_hostname(), destconn.get_short_hostname())
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migrate_progress.show()
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while gtk.events_pending():
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gtk.main_iteration()
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# call virDomainMigrate
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vm.migrate(destconn)
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# close progress dialog
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migrate_progress.destroy()
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except Exception, e:
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migrate_progress.destroy()
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self.err.show_err(_("Error migrating domain: %s") % str(e),
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"".join(traceback.format_exc()))
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self.windowManager.conn_refresh_resources(conn)
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self.windowManager.conn_refresh_resources(destconn)
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def get_migrate_progress(self, vmname, hostname, desthostname):
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migrate_progress = None
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migrate_progress = gtk.MessageDialog(None, \
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gtk.DIALOG_DESTROY_WITH_PARENT, \
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gtk.MESSAGE_INFO, \
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gtk.BUTTONS_NONE, \
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_("%s will be migrated from %s to %s." % \
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(vmname, hostname, desthostname)))
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migrate_progress.set_title(" ")
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return migrate_progress
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def get_available_migrate_hostnames(self):
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hostname = self.windowManager.current_connection().get_hostname()
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driver = self.windowManager.current_connection().get_driver()
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available_migrate_hostnames = {}
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# 1. connected(ACTIVE, INACTIVE) host
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for key in self.connections.keys():
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if self.connections[key].has_key("connection") is True \
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and (self.get_connection(key).get_state() == vmmConnection.STATE_ACTIVE or self.get_connection(key).get_state() == vmmConnection.STATE_INACTIVE):
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available_migrate_hostnames[key] = self.get_connection(key).get_hostname()
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# 2. remove source host
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for key in available_migrate_hostnames.keys():
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if available_migrate_hostnames[key] == hostname:
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del available_migrate_hostnames[key]
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# 3. remove a different host of hypervisor
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for key in available_migrate_hostnames.keys():
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if self.get_connection(key).get_driver() != driver:
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del available_migrate_hostnames[key]
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return available_migrate_hostnames
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gobject.type_register(vmmEngine)
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@ -105,6 +105,8 @@ class vmmManager(gobject.GObject):
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gobject.TYPE_NONE, [str]),
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"action-show-help": (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, [str]),
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"action-migrate-domain": (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, (str,str,str)),
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"action-exit-app": (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, []),}
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@ -156,6 +158,8 @@ class vmmManager(gobject.GObject):
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self.vmmenushutdown = gtk.Menu()
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self.vmmenu_items = {}
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self.vmmenushutdown_items = {}
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self.vmmenumigrate = gtk.Menu()
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self.vmmenumigrate_items = {}
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self.vmmenu_items["run"] = gtk.ImageMenuItem("_Run")
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self.vmmenu_items["run"].set_image(self.vmmenu_icons["run"])
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@ -200,9 +204,23 @@ class vmmManager(gobject.GObject):
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self.vmmenushutdown_items["forcepoweroff"].connect("activate", self.destroy_vm)
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self.vmmenushutdown.add(self.vmmenushutdown_items["forcepoweroff"])
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self.vmmenu_items["hsep"] = gtk.SeparatorMenuItem()
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self.vmmenu_items["hsep"].show();
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self.vmmenu.add(self.vmmenu_items["hsep"])
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self.vmmenu_items["hsep1"] = gtk.SeparatorMenuItem()
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self.vmmenu_items["hsep1"].show();
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self.vmmenu.add(self.vmmenu_items["hsep1"])
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self.vmmenu_items["migrate"] = gtk.ImageMenuItem("_Migrate")
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self.vmmenu_items["migrate"].set_submenu(self.vmmenumigrate)
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self.vmmenu_items["migrate"].show()
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self.vmmenu.add(self.vmmenu_items["migrate"])
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self.vmmenumigrate_items["(None)"] = gtk.ImageMenuItem(_("(None)"))
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self.vmmenumigrate_items["(None)"].show()
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self.vmmenumigrate_items["(None)"].set_sensitive(False)
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self.vmmenumigrate.add(self.vmmenumigrate_items["(None)"])
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self.vmmenu_items["hsep2"] = gtk.SeparatorMenuItem()
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self.vmmenu_items["hsep2"].show();
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self.vmmenu.add(self.vmmenu_items["hsep2"])
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self.vmmenu_items["open"] = gtk.ImageMenuItem(gtk.STOCK_OPEN)
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self.vmmenu_items["open"].connect("activate", self.open_vm_console)
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@ -718,6 +736,7 @@ class vmmManager(gobject.GObject):
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self.vmmenu_items["resume"].hide()
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self.vmmenu_items["resume"].set_sensitive(False)
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self.vmmenu_items["shutdown"].set_sensitive(False)
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self.vmmenu_items["migrate"].set_sensitive(False)
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else:
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if vm.status() == libvirt.VIR_DOMAIN_SHUTOFF:
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self.vmmenu_items["run"].set_sensitive(True)
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@ -726,6 +745,8 @@ class vmmManager(gobject.GObject):
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self.vmmenu_items["resume"].hide()
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self.vmmenu_items["resume"].set_sensitive(False)
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self.vmmenu_items["shutdown"].set_sensitive(False)
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self.vmmenu_items["migrate"].set_sensitive(True)
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self.set_migrate_submenu()
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elif vm.status() == libvirt.VIR_DOMAIN_RUNNING:
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self.vmmenu_items["run"].set_sensitive(False)
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self.vmmenu_items["pause"].set_sensitive(True)
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@ -733,6 +754,8 @@ class vmmManager(gobject.GObject):
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self.vmmenu_items["resume"].hide()
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self.vmmenu_items["resume"].set_sensitive(False)
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self.vmmenu_items["shutdown"].set_sensitive(True)
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self.vmmenu_items["migrate"].set_sensitive(True)
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self.set_migrate_submenu()
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elif vm.status() == libvirt.VIR_DOMAIN_PAUSED:
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self.vmmenu_items["run"].set_sensitive(False)
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self.vmmenu_items["pause"].hide()
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@ -740,6 +763,8 @@ class vmmManager(gobject.GObject):
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self.vmmenu_items["resume"].show()
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self.vmmenu_items["resume"].set_sensitive(True)
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self.vmmenu_items["shutdown"].set_sensitive(True)
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self.vmmenu_items["migrate"].set_sensitive(True)
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self.set_migrate_submenu()
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self.vmmenu.popup(None, None, None, 0, event.time)
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return False
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else:
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@ -1052,6 +1077,33 @@ class vmmManager(gobject.GObject):
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if vm is not None:
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self.emit("action-resume-domain", vm.get_connection().get_uri(), vm.get_uuid())
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def migrate(self, ignore):
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vm = self.current_vm()
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# get selected submenu(destination hostname)
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hostname = self.vmmenumigrate.get_active().get_image().get_stock()[0]
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for key in self.engine.connections.keys():
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if self.engine.get_connection(key).get_hostname() == hostname:
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host_uri = key
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break
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if vm is not None:
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self.emit("action-migrate-domain", vm.get_connection().get_uri(), vm.get_uuid(), host_uri)
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def set_migrate_submenu(self):
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# clear migrate-submenu
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for submenu_item in self.vmmenumigrate.get_children():
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submenu_item_name = submenu_item.get_image().get_stock()[0]
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self.vmmenumigrate.remove(self.vmmenumigrate_items[submenu_item_name])
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available_migrate_hostnames = self.engine.get_available_migrate_hostnames()
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if len(available_migrate_hostnames) == 0:
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self.vmmenumigrate.add(self.vmmenumigrate_items["(None)"])
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else:
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for hostname in available_migrate_hostnames.values():
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self.vmmenumigrate_items[hostname] = gtk.ImageMenuItem(hostname)
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self.vmmenumigrate_items[hostname].show()
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self.vmmenumigrate_items[hostname].connect("activate", self.migrate)
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self.vmmenumigrate.add(self.vmmenumigrate_items[hostname])
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def _add_connection(self, engine, conn):
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conn.connect("vm-added", self.vm_added)
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conn.connect("vm-removed", self.vm_removed)
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@ -166,6 +166,27 @@
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</widget>
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</child>
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<child>
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<widget class="GtkMenuItem" id="details-menu-migrate">
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<property name="visible">True</property>
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<property name="label" translatable="yes">_Migrate</property>
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<property name="use_underline">True</property>
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<signal name="activate" handler="on_details_menu_migrate_activate"/>
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<child>
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<widget class="GtkMenu" id="details-menu-migrate_menu">
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</widget>
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</child>
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</widget>
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</child>
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<child>
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<widget class="GtkSeparatorMenuItem" id="separator12">
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<property name="visible">True</property>
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</widget>
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</child>
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<child>
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<widget class="GtkMenuItem" id="details-menu-vm-screenshot">
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<property name="visible">True</property>
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