def updateMetaData(self, element):
ComLog.getLogger(self.__logStrLevel__).debug(
"%u logical volumes cloning all from source" %
(len(self.getVolumeGroup().getLogicalVolumes())))
#ComLog.getLogger(self.__logStrLevel__).debug("Element to copy %s" %(element))
if (len(self.getVolumeGroup().getLogicalVolumes()) == 0):
#ComLog.getLogger(self.__logStrLevel__).debug("0 logical volumes cloning all from source")
XmlTools.merge_trees_with_pk(
element,
self.getVolumeGroup().getElement(), self.document, "name",
XmlTools.ElementFilter("logicalvolume"))
self.vg = VolumeGroup(self.getVolumeGroup().getElement(),
self.getDocument())
def updateMetaData(self, element):
ComLog.getLogger(self.__logStrLevel__).debug("%u logical volumes cloning all from source" %(len(self.getVolumeGroup().getLogicalVolumes())))
#ComLog.getLogger(self.__logStrLevel__).debug("Element to copy %s" %(element))
if (len(self.getVolumeGroup().getLogicalVolumes()) == 0):
#ComLog.getLogger(self.__logStrLevel__).debug("0 logical volumes cloning all from source")
XmlTools.merge_trees_with_pk(element, self.getVolumeGroup().getElement(), self.document, "name", XmlTools.ElementFilter("logicalvolume"))
self.vg=VolumeGroup(self.getVolumeGroup().getElement(), self.getDocument())
def __init__(self, element, doc):
CopyObject.__init__(self, element, doc)
self.vg=None
vg_element = element.getElementsByTagName(VolumeGroup.TAGNAME)[0]
self.vg=VolumeGroup(vg_element, doc)
self.sactivated=False
self.dactivated=False
class LVMCopyObject(CopyObject):
""" Class for all LVM source and destination objects"""
__logStrLevel__ = "LVMCopyObject"
def __init__(self, element, doc):
CopyObject.__init__(self, element, doc)
self.vg=None
vg_element = element.getElementsByTagName(VolumeGroup.TAGNAME)[0]
self.vg=VolumeGroup(vg_element, doc)
self.sactivated=False
self.dactivated=False
def prepareAsSource(self):
self.getVolumeGroup().init_from_disk()
for pv in LinuxVolumeManager.pvlist(self.getVolumeGroup(), self.getDocument()):
pv.init_from_disk()
self.getVolumeGroup().addPhysicalVolume(pv)
for lv in LinuxVolumeManager.lvlist(self.getVolumeGroup(), self.getDocument()):
lv.init_from_disk()
self.getVolumeGroup().addLogicalVolume(lv)
if not lv.isActivated() and not self.sactivated:
if lv.getAttribute("attrs", "") != "":
self.sactivated=True
self.vg.activate()
def prepareAsDest(self):
self.dactivated=True
for pv in self.getVolumeGroup().getPhysicalVolumes():
self.getVolumeGroup().delPhysicalVolume(pv)
pv.resolveName()
self.getVolumeGroup().addPhysicalVolume(pv)
def updateMetaData(self, element):
ComLog.getLogger(self.__logStrLevel__).debug("%u logical volumes cloning all from source" %(len(self.getVolumeGroup().getLogicalVolumes())))
#ComLog.getLogger(self.__logStrLevel__).debug("Element to copy %s" %(element))
if (len(self.getVolumeGroup().getLogicalVolumes()) == 0):
#ComLog.getLogger(self.__logStrLevel__).debug("0 logical volumes cloning all from source")
XmlTools.merge_trees_with_pk(element, self.getVolumeGroup().getElement(), self.document, "name", XmlTools.ElementFilter("logicalvolume"))
self.vg=VolumeGroup(self.getVolumeGroup().getElement(), self.getDocument())
#self.getVolumeGroup().updateChildrenWithPK(element)
#from xml.dom.ext import PrettyPrint
#PrettyPrint(self.getVolumeGroup().getElement())
#ComLog.getLogger(self.__logStrLevel__).debug("Successfully updated the dom structure for volumegroup")
def cleanupSource(self):
if self.sactivated:
self.vg.deactivate()
def cleanupDest(self):
if self.dactivated:
self.vg.deactivate()
def getVolumeGroup(self):
return self.vg
def getMetaData(self):
return self.vg.getElement()
def _getLVM_physicalVolume(self, device):
from comoonics.storage.ComLVM import LogicalVolume, LinuxVolumeManager, VolumeGroup
try:
(vgname, lvname) = LogicalVolume.splitLVPath(device)
_vg = VolumeGroup(vgname)
_pv = LinuxVolumeManager.pvlist(_vg)
ComLog.getLogger(__logStrLevel__).debug(
"detected physical volume %s" % _pv)
return _pv[0].getAttribute("name")
except LogicalVolume.LVMInvalidLVPathException, e:
ComLog.errorTraceLog()
return
def __init__(self, element, doc):
CopyObject.__init__(self, element, doc)
self.vg = None
vg_element = element.getElementsByTagName(VolumeGroup.TAGNAME)[0]
self.vg = VolumeGroup(vg_element, doc)
self.activated = False
class LVMCopyObject(CopyObject):
""" Class for all LVM source and destination objects"""
__logStrLevel__ = "LVMCopyObject"
def __init__(self, element, doc):
CopyObject.__init__(self, element, doc)
self.vg = None
vg_element = element.getElementsByTagName(VolumeGroup.TAGNAME)[0]
self.vg = VolumeGroup(vg_element, doc)
self.activated = False
def prepareAsSource(self):
self.getVolumeGroup().init_from_disk()
for pv in LinuxVolumeManager.pvlist(self.getVolumeGroup(),
self.getDocument()):
pv.init_from_disk()
self.getVolumeGroup().addPhysicalVolume(pv)
for lv in LinuxVolumeManager.lvlist(self.getVolumeGroup(),
self.getDocument()):
lv.init_from_disk()
self.getVolumeGroup().addLogicalVolume(lv)
if not lv.isActivated() and not self.activated:
self.activated = True
self.vg.activate()
def prepareAsDest(self):
self.activated = True
for pv in self.getVolumeGroup().getPhysicalVolumes():
self.getVolumeGroup().delPhysicalVolume(pv)
pv.resolveName()
self.getVolumeGroup().addPhysicalVolume(pv)
def updateMetaData(self, element):
ComLog.getLogger(self.__logStrLevel__).debug(
"%u logical volumes cloning all from source" %
(len(self.getVolumeGroup().getLogicalVolumes())))
#ComLog.getLogger(self.__logStrLevel__).debug("Element to copy %s" %(element))
if (len(self.getVolumeGroup().getLogicalVolumes()) == 0):
#ComLog.getLogger(self.__logStrLevel__).debug("0 logical volumes cloning all from source")
XmlTools.merge_trees_with_pk(
element,
self.getVolumeGroup().getElement(), self.document, "name",
XmlTools.ElementFilter("logicalvolume"))
self.vg = VolumeGroup(self.getVolumeGroup().getElement(),
self.getDocument())
#self.getVolumeGroup().updateChildrenWithPK(element)
#from xml.dom.ext import PrettyPrint
#PrettyPrint(self.getVolumeGroup().getElement())
#ComLog.getLogger(self.__logStrLevel__).debug("Successfully updated the dom structure for volumegroup")
def cleanupSource(self):
if self.activated:
self.vg.deactivate()
def cleanupDest(self):
if self.activated:
self.vg.deactivate()
def getVolumeGroup(self):
return self.vg
def getMetaData(self):
return self.vg.getElement()
def testCreateLVMEnvironment(self):
try:
vgname = "test_vg"
lvname = "test_lv"
pvname = "/dev/sda"
print("Creating pv: %s" % pvname)
_pv = PhysicalVolume(pvname)
_pv.create()
print("Creating vg: %s" % vgname)
_vg = VolumeGroup(vgname, _pv)
_vg.create()
_vg.addPhysicalVolume(_pv)
print("Creating lv: %s" % lvname)
_lv = LogicalVolume(lvname, _vg)
_lv.create()
_vg.addLogicalVolume(_lv)
print "Volumegroup %s: %s" % (vgname, _vg)
print("Changing clustered")
_vg.clustered()
_vg.notclustered()
print("Removing lv")
_lv.remove()
print("Removing vg")
_vg.remove()
print("Removing pv")
_pv.remove()
except Exception, e:
import traceback
traceback.print_exc()
self.fail(
"Caught unexpected exception during lvm environment creation %s."
% e)
def testCreateLVMEnvironment(self):
try:
vgname="test_vg"
lvname="test_lv"
pvname="/dev/sda"
print("Creating pv: %s" %pvname)
_pv=PhysicalVolume(pvname)
_pv.create()
print("Creating vg: %s" %vgname)
_vg=VolumeGroup(vgname, _pv)
_vg.create()
_vg.addPhysicalVolume(_pv)
print("Creating lv: %s" %lvname)
_lv=LogicalVolume(lvname, _vg)
_lv.create()
_vg.addLogicalVolume(_lv)
print "Volumegroup %s: %s" %(vgname, _vg)
print("Changing clustered")
_vg.clustered()
_vg.notclustered()
print("Removing lv")
_lv.remove()
print("Removing vg")
_vg.remove()
print("Removing pv")
_pv.remove()
except Exception, e:
import traceback
traceback.print_exc()
self.fail("Caught unexpected exception during lvm environment creation %s." %e)
class LVMCopyObject(CopyObject):
""" Class for all LVM source and destination objects"""
__logStrLevel__ = "LVMCopyObject"
def __init__(self, element, doc):
CopyObject.__init__(self, element, doc)
self.vg=None
vg_element = element.getElementsByTagName(VolumeGroup.TAGNAME)[0]
self.vg=VolumeGroup(vg_element, doc)
self.activated=False
def prepareAsSource(self):
self.getVolumeGroup().init_from_disk()
for pv in LinuxVolumeManager.pvlist(self.getVolumeGroup(), self.getDocument()):
pv.init_from_disk()
self.getVolumeGroup().addPhysicalVolume(pv)
for lv in LinuxVolumeManager.lvlist(self.getVolumeGroup(), self.getDocument()):
lv.init_from_disk()
self.getVolumeGroup().addLogicalVolume(lv)
if not lv.isActivated() and not self.activated:
self.activated=True
self.vg.activate()
def prepareAsDest(self):
self.activated=True
for pv in self.getVolumeGroup().getPhysicalVolumes():
self.getVolumeGroup().delPhysicalVolume(pv)
pv.resolveName()
self.getVolumeGroup().addPhysicalVolume(pv)
def updateMetaData(self, element):
ComLog.getLogger(self.__logStrLevel__).debug("%u logical volumes cloning all from source" %(len(self.getVolumeGroup().getLogicalVolumes())))
#ComLog.getLogger(self.__logStrLevel__).debug("Element to copy %s" %(element))
if (len(self.getVolumeGroup().getLogicalVolumes()) == 0):
#ComLog.getLogger(self.__logStrLevel__).debug("0 logical volumes cloning all from source")
XmlTools.merge_trees_with_pk(element, self.getVolumeGroup().getElement(), self.document, "name", XmlTools.ElementFilter("logicalvolume"))
self.vg=VolumeGroup(self.getVolumeGroup().getElement(), self.getDocument())
#self.getVolumeGroup().updateChildrenWithPK(element)
#from xml.dom.ext import PrettyPrint
#PrettyPrint(self.getVolumeGroup().getElement())
#ComLog.getLogger(self.__logStrLevel__).debug("Successfully updated the dom structure for volumegroup")
def cleanupSource(self):
if self.activated:
self.vg.deactivate()
def cleanupDest(self):
if self.activated:
self.vg.deactivate()
def getVolumeGroup(self):
return self.vg
def getMetaData(self):
return self.vg.getElement()
#################
# $Log: ComLVMCopyObject.py,v $
# Revision 1.9 2010-03-08 12:30:48 marc
# version for comoonics4.6-rc1
#
# Revision 1.8 2010/02/09 21:48:24 mark
# added .storage path in includes
#
# Revision 1.7 2008/02/27 10:50:04 marc
# - better testing
#
# Revision 1.6 2007/04/04 12:52:20 marc
# MMG Backup Legato Integration
# - moved prepareAsDest and added activation support for not activated devices as Destination
#
# Revision 1.5 2007/04/02 11:49:22 marc
# MMG Backup Legato Integration:
# - Journaling for vg_activation
#
# Revision 1.4 2006/12/13 20:17:41 marc
# Support for Metadata
#
# Revision 1.3 2006/11/27 12:11:09 marc
# new version with metadata
#
# Revision 1.2 2006/11/23 14:16:16 marc
# added logStrLevel
#
# Revision 1.1 2006/07/19 14:29:15 marc
# removed the filehierarchie
#
# Revision 1.1 2006/06/29 13:47:39 marc
# initial revision
#
