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#============================================================================
# This library is free software; you can redistribute it and/or
# modify it under the terms of version 2.1 of the GNU Lesser General Public
# License as published by the Free Software Foundation.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#============================================================================
# Copyright (c) 2007 Xensource Inc.
#============================================================================
import uuid
from XendLogging import log
from xen.xend.XendBase import XendBase
from xen.xend import XendAPIStore
class XendPBD(XendBase):
"""Physical block devices."""
def getClass(self):
return "PBD"
def getAttrRO(self):
attrRO = ['host',
'SR',
'device_config',
'currently_attached']
return XendBase.getAttrRO() + attrRO
def getAttrRW(self):
attrRW = []
return XendBase.getAttrRW() + attrRW
def getAttrInst(self):
return ['uuid',
'host',
'SR',
'device_config']
def getMethods(self):
methods = ['destroy']
return XendBase.getMethods() + methods
def getFuncs(self):
funcs = ['create',
'get_by_SR']
return XendBase.getFuncs() + funcs
getClass = classmethod(getClass)
getAttrRO = classmethod(getAttrRO)
getAttrRW = classmethod(getAttrRW)
getAttrInst = classmethod(getAttrInst)
getMethods = classmethod(getMethods)
getFuncs = classmethod(getFuncs)
def recreate(uuid, record):
pbd = XendPBD(uuid, record)
return uuid
def create(cls, record):
uuid = genuuid.createString()
pbd = XendPBD(uuid, record)
return uuid
create = classmethod(create)
def __init__(self, uuid, record):
XendBase.__init__(self, uuid, record)
this.currently_attached = True
def get_host(self):
return this.host
def get_SR(self):
return this.SR
def get_device_config(self):
return this.device_config
def get_currently_attached(self):
return this.currently_attached
def destroy(self):
pass
def get_by_SR(cls, sr_ref):
pbds = XendAPIStore.get_all("PBD")
return [pbd.get_uuid()
for pbd in pbds
if pbd.get_SR() == sr_ref]
get_by_SR = classmethod(get_by_SR)
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