virt-manager/virtManager/storagepool.py

147 lines
4.3 KiB
Python

#
# Copyright (C) 2008 Red Hat, Inc.
# Copyright (C) 2008 Cole Robinson <crobinso@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 virtinst
from gi.repository import GObject
from virtManager import util
from virtManager.libvirtobject import vmmLibvirtObject
from virtManager.storagevol import vmmStorageVolume
class vmmStoragePool(vmmLibvirtObject):
__gsignals__ = {
"refreshed": (GObject.SignalFlags.RUN_FIRST, None, [])
}
def __init__(self, conn, pool, uuid, active):
vmmLibvirtObject.__init__(self, conn)
self.pool = pool # Libvirt pool object
self.uuid = uuid # String UUID
self.active = active # bool indicating if it is running
self._volumes = {} # UUID->vmmStorageVolume mapping of the
# pools associated volumes
self.refresh()
# Required class methods
def get_name(self):
return self.pool.name()
def _XMLDesc(self, flags):
return self.pool.XMLDesc(flags)
def _define(self, xml):
return self.conn.vmm.storagePoolDefineXML(xml, 0)
def set_active(self, state):
self.active = state
self.refresh_xml()
def is_active(self):
return self.active
def can_change_alloc(self):
typ = self.get_type()
return (typ in [virtinst.Storage.StoragePool.TYPE_LOGICAL])
def get_uuid(self):
return self.uuid
def start(self):
self.pool.create(0)
self.idle_add(self.refresh_xml)
def stop(self):
self.pool.destroy()
self.idle_add(self.refresh_xml)
def delete(self, nodelete=True):
if nodelete:
self.pool.undefine()
else:
self.pool.delete(0)
del(self.pool)
def set_autostart(self, value):
self.pool.setAutostart(value)
def get_autostart(self):
return self.pool.autostart()
def get_target_path(self):
return util.xpath(self.get_xml(), "/pool/target/path")
def get_allocation(self):
return long(util.xpath(self.get_xml(), "/pool/allocation"))
def get_available(self):
return long(util.xpath(self.get_xml(), "/pool/available"))
def get_capacity(self):
return long(util.xpath(self.get_xml(), "/pool/capacity"))
def get_pretty_allocation(self):
return util.pretty_bytes(self.get_allocation())
def get_pretty_available(self):
return util.pretty_bytes(self.get_available())
def get_pretty_capacity(self):
return util.pretty_bytes(self.get_capacity())
def get_type(self):
return util.xpath(self.get_xml(), "/pool/@type")
def get_volumes(self):
self.update_volumes()
return self._volumes
def get_volume(self, uuid):
return self._volumes[uuid]
def refresh(self):
if not self.active:
return
def cb():
self.refresh_xml()
self.update_volumes(refresh=True)
self.emit("refreshed")
self.pool.refresh(0)
self.idle_add(cb)
def update_volumes(self, refresh=False):
if not self.is_active():
self._volumes = {}
return
vols = self.pool.listVolumes()
new_vol_list = {}
for volname in vols:
if volname in self._volumes:
new_vol_list[volname] = self._volumes[volname]
if refresh:
new_vol_list[volname].refresh_xml()
else:
new_vol_list[volname] = vmmStorageVolume(self.conn,
self.pool.storageVolLookupByName(volname),
volname)
self._volumes = new_vol_list