def create_lv(ns, vg, name, size):
"""
Create new Logical Volume on given Volume Group.
:type vg: LMIInstance/LMI_VGStoragePool or string
:param vg: Volume Group to allocate the volume from.
:type name: string
:param name: Name of the logical volume.
:type size: int
:param size: Size of the logical volume in bytes.
:rtype: LMIInstance/LMI_LVStorageExtent
"""
vg = common.str2vg(ns, vg)
service = ns.LMI_StorageConfigurationService.first_instance()
(ret, outparams, err) = service.SyncCreateOrModifyLV(ElementName=name,
Size=size,
InPool=vg)
if ret != 0:
if err:
raise LmiFailed("Cannot create the logical volume: %s." % err)
values = service.CreateOrModifyLV.CreateOrModifyLVValues
raise LmiFailed("Cannot create the logical volume: %s." %
(values.value_name(ret), ))
lv = outparams['TheElement'].to_instance()
LOG().info("Created logical volume %s", lv.Name)
return lv
def vg_show(ns, vg, human_friendly):
"""
Print extended information about the Volume Group.
:type vg: LMIInstance/LMI_VGStoragePool or string
:param vg: Volume Group to show.
"""
yield ("Type", "Volume Group")
vg = common.str2vg(ns, vg)
yield ("InstanceID", vg.InstanceID)
yield ("ElementName", vg.ElementName)
yield ("Extent Size", common.size2str(vg.ExtentSize, human_friendly))
yield ("Total Size", common.size2str(vg.TotalManagedSpace, human_friendly))
yield ("Total Extents", vg.TotalExtents)
yield ("Free Space", common.size2str(vg.RemainingManagedSpace, human_friendly))
yield ("Free Extents", vg.RemainingExtents)
pvs = lvm.get_vg_pvs(ns, vg)
pvnames = [pv.Name for pv in pvs]
yield ("Physical Volumes", " ".join(pvnames))
lvs = lvm.get_vg_lvs(ns, vg)
lvnames = [lv.Name for lv in lvs]
yield ("Logical Volumes", " ".join(lvnames))
tps = lvm.get_vg_tps(ns, vg)
tpnames = [tp.Name for tp in tps]
yield ("Thin Pools", " ".join(tpnames))
def get_lvs(ns, vgs=None):
"""
Retrieve list of all logical volumes allocated from given volume groups.
If no volume groups are provided, all logical volumes on the system
are returned.
:type vgs: list of LMIInstance/LMI_VGStoragePool or list of strings
:param vgs: Volume Groups to examine.
:rtype: list of LMIInstance/LMI_LVStorageExtent.
"""
if vgs:
for vg in vgs:
vg = common.str2vg(ns, vg)
LOG().debug("Getting LVs on %s", vg.ElementName)
for lv in get_vg_lvs(ns, vg):
yield lv
else:
# No vgs supplied, list all LVs
for lv in ns.LMI_LVStorageExtent.instances():
# XXX workaround for https://fedorahosted.org/openlmi/ticket/277
supports_thin = 'ThinlyProvisioned' in lv.properties()
if not supports_thin:
yield lv
elif supports_thin and not lv.ThinlyProvisioned:
yield lv
def get_lvs(ns, vgs=None):
"""
Retrieve list of all logical volumes allocated from given volume groups.
If no volume groups are provided, all logical volumes on the system
are returned.
:type vgs: list of LMIInstance/LMI_VGStoragePool or list of strings
:param vgs: Volume Groups to examine.
:rtype: list of LMIInstance/LMI_LVStorageExtent.
"""
if vgs:
for vg in vgs:
vg = common.str2vg(ns, vg)
LOG().debug("Getting LVs on %s", vg.ElementName)
for lv in get_vg_lvs(ns, vg):
yield lv
else:
# No vgs supplied, list all LVs
for lv in ns.LMI_LVStorageExtent.instances():
# XXX workaround for https://fedorahosted.org/openlmi/ticket/277
supports_thin = 'ThinlyProvisioned' in lv.properties()
if not supports_thin:
yield lv
elif supports_thin and not lv.ThinlyProvisioned:
yield lv
def vg_show(ns, vg, human_friendly):
"""
Print extended information about the Volume Group.
:type vg: LMIInstance/LMI_VGStoragePool or string
:param vg: Volume Group to show.
"""
yield ("Type", "Volume Group")
vg = common.str2vg(ns, vg)
yield ("InstanceID", vg.InstanceID)
yield ("ElementName", vg.ElementName)
yield ("Extent Size", common.size2str(vg.ExtentSize, human_friendly))
yield ("Total Size", common.size2str(vg.TotalManagedSpace, human_friendly))
yield ("Total Extents", vg.TotalExtents)
yield ("Free Space",
common.size2str(vg.RemainingManagedSpace, human_friendly))
yield ("Free Extents", vg.RemainingExtents)
pvs = lvm.get_vg_pvs(ns, vg)
pvnames = [pv.Name for pv in pvs]
yield ("Physical Volumes", " ".join(pvnames))
lvs = lvm.get_vg_lvs(ns, vg)
lvnames = [lv.Name for lv in lvs]
yield ("Logical Volumes", " ".join(lvnames))
tps = lvm.get_vg_tps(ns, vg)
tpnames = [tp.Name for tp in tps]
yield ("Thin Pools", " ".join(tpnames))
def create_lv(ns, vg, name, size):
"""
Create new Logical Volume on given Volume Group.
:type vg: LMIInstance/LMI_VGStoragePool or string
:param vg: Volume Group to allocate the volume from.
:type name: string
:param name: Name of the logical volume.
:type size: int
:param size: Size of the logical volume in bytes.
:rtype: LMIInstance/LMI_LVStorageExtent
"""
vg = common.str2vg(ns, vg)
service = ns.LMI_StorageConfigurationService.first_instance()
(ret, outparams, err) = service.SyncCreateOrModifyLV(
ElementName=name,
Size=size,
InPool=vg)
if ret != 0:
if err:
raise LmiFailed("Cannot create the logical volume: %s." % err)
values = service.CreateOrModifyLV.CreateOrModifyLVValues
raise LmiFailed("Cannot create the logical volume: %s."
% (values.value_name(ret),))
return outparams['TheElement']
def create_tlv(ns, tp, name, size):
tp = common.str2vg(ns, tp)
args = {'ElementName': name, 'ThinPool': tp, 'Size': size}
service = ns.LMI_StorageConfigurationService.first_instance()
(ret, outparams, err) = service.SyncCreateOrModifyThinLV(**args)
if ret != 0:
raise LmiFailed("Cannot create thin LV: %s." % (err if err else ret))
return outparams['TheElement']
def create_tp(ns, name, vg, size):
vg = common.str2vg(ns, vg)
args = {'InPool': vg, 'ElementName': name, 'Size': size}
service = ns.LMI_StorageConfigurationService.first_instance()
(ret, outparams, err) = service.SyncCreateOrModifyThinPool(**args)
if ret != 0:
raise LmiFailed("Cannot create thin pool: %s." % (err if err else ret))
return outparams['Pool']
def get_tlvs(ns, tps=None):
if tps:
for tp in tps:
tp = common.str2vg(ns, tp)
for tlv in get_vg_lvs(ns, tp):
yield tlv
else:
for tlv in ns.LMI_LVStorageExtent.instances():
if tlv.ThinlyProvisioned:
yield tlv
def create_tp(ns, name, vg, size):
vg = common.str2vg(ns, vg)
args = {'InPool':vg,
'ElementName':name,
'Size':size}
service = ns.LMI_StorageConfigurationService.first_instance()
(ret, outparams, err) = service.SyncCreateOrModifyThinPool(**args)
if ret != 0:
raise LmiFailed("Cannot create thin pool: %s." % (err if err else ret))
return outparams['Pool']
def create_tlv(ns, tp, name, size):
tp = common.str2vg(ns, tp)
args = {'ElementName':name,
'ThinPool':tp,
'Size':size}
service = ns.LMI_StorageConfigurationService.first_instance()
(ret, outparams, err) = service.SyncCreateOrModifyThinLV(**args)
if ret != 0:
raise LmiFailed("Cannot create thin LV: %s." % (err if err else ret))
return outparams['TheElement']
def get_tlvs(ns, tps=None):
if tps:
for tp in tps:
tp = common.str2vg(ns, tp)
for tlv in get_vg_lvs(ns, tp):
yield tlv
else:
for tlv in ns.LMI_LVStorageExtent.instances():
if tlv.ThinlyProvisioned:
yield tlv
def get_vg_lvs(ns, vg):
"""
Return list of Logical Volumes on given Volume Group.
:type vg: LMIInstance/LMI_VGStoragePool or string
:param vg: Volume Group to examine.
:rtype: list of LMIInstance/LMI_LVStorageExtent
"""
vg = common.str2vg(ns, vg)
return vg.associators(AssocClass="LMI_LVAllocatedFromStoragePool")
def get_vg_pvs(ns, vg):
"""
Return Physical Volumes of given Volume Group.
:type vg: LMIInstance/LMI_VGStoragePool or string
:param vg: Volume Group to examine.
:rtype: list of LMIInstance/CIM_StorageExtent
"""
vg = common.str2vg(ns, vg)
return vg.associators(AssocClass="LMI_VGAssociatedComponentExtent")
def get_vg_pvs(ns, vg):
"""
Return Physical Volumes of given Volume Group.
:type vg: LMIInstance/LMI_VGStoragePool or string
:param vg: Volume Group to examine.
:rtype: list of LMIInstance/CIM_StorageExtent
"""
vg = common.str2vg(ns, vg)
return vg.associators(AssocClass="LMI_VGAssociatedComponentExtent")
def get_vg_lvs(ns, vg):
"""
Return list of Logical Volumes on given Volume Group.
:type vg: LMIInstance/LMI_VGStoragePool or string
:param vg: Volume Group to examine.
:rtype: list of LMIInstance/LMI_LVStorageExtent
"""
vg = common.str2vg(ns, vg)
return vg.associators(AssocClass="LMI_LVAllocatedFromStoragePool")
def create_tp(ns, name, vg, size):
vg = common.str2vg(ns, vg)
args = {"InPool": vg, "ElementName": name, "Size": size}
service = ns.LMI_StorageConfigurationService.first_instance()
(ret, outparams, err) = service.SyncCreateOrModifyThinPool(**args)
if ret != 0:
raise LmiFailed("Cannot create thin pool: %s." % (err if err else ret))
pool = outparams["Pool"].to_instance()
LOG().info("Created thin volume group %s", pool.Name)
return pool
def create_tlv(ns, tp, name, size):
tp = common.str2vg(ns, tp)
args = {"ElementName": name, "ThinPool": tp, "Size": size}
service = ns.LMI_StorageConfigurationService.first_instance()
(ret, outparams, err) = service.SyncCreateOrModifyThinLV(**args)
if ret != 0:
raise LmiFailed("Cannot create thin LV: %s." % (err if err else ret))
tlv = outparams["TheElement"].to_instance()
LOG().info("Created thin logical volume %s", tlv.Name)
return tlv
def execute(self, ns, vgs=None):
"""
Implementation of 'vg show' command.
"""
if not vgs:
vgs = lvm.get_vgs(ns)
for vg in vgs:
vg = str2vg(ns, vg)
cmd = fcmd.NewTableCommand(title=vg.InstanceID)
yield cmd
for line in show.vg_show(ns, vg, self.app.config.human_friendly):
yield line
def execute(self, ns, tps=None):
"""
Implementation of 'thinpool show' command.
"""
if not tps:
tps = lvm.get_tps(ns)
for tp in tps:
tp = str2vg(ns, tp)
cmd = fcmd.NewTableCommand(title=tp.InstanceID)
yield cmd
for line in show.tp_show(ns, tp, self.app.config.human_friendly):
yield line
def execute(self, ns, vgs=None):
"""
Implementation of 'vg show' command.
"""
if not vgs:
vgs = lvm.get_vgs(ns)
for vg in vgs:
vg = str2vg(ns, vg)
cmd = fcmd.NewTableCommand(title=vg.InstanceID)
yield cmd
for line in show.vg_show(ns, vg, self.app.config.human_friendly):
yield line
def get_vg_tps(ns, vg):
"""
Return Thin Pools of given Volume Group.
:type vg: LMIInstance/LMI_VGStoragePool or string
:param vg: Volume Group to examine.
:rtype: list of LMIInstance/CIM_StoragePool
"""
# XXX workaround for https://fedorahosted.org/openlmi/ticket/276
assoc_class = "LMI_VGAllocatedFromStoragePool"
if not assoc_class in ns.classes():
return []
vg = common.str2vg(ns, vg)
return vg.associators(AssocClass=assoc_class)
def get_vg_tps(ns, vg):
"""
Return Thin Pools of given Volume Group.
:type vg: LMIInstance/LMI_VGStoragePool or string
:param vg: Volume Group to examine.
:rtype: list of LMIInstance/CIM_StoragePool
"""
# XXX workaround for https://fedorahosted.org/openlmi/ticket/276
assoc_class = "LMI_VGAllocatedFromStoragePool"
if not assoc_class in ns.classes():
return []
vg = common.str2vg(ns, vg)
return vg.associators(AssocClass=assoc_class)
def delete_vg(ns, vg):
"""
Destroy given Volume Group.
:type vg: LMIInstance/LMI_VGStoragePool or string
:param vg: Volume Group to delete.
"""
vg = common.str2vg(ns, vg)
service = ns.LMI_StorageConfigurationService.first_instance()
(ret, _outparams, err) = service.SyncDeleteVG(Pool=vg)
if ret != 0:
if err:
raise LmiFailed("Cannot delete the VG: %s." % err)
raise LmiFailed("Cannot delete the VG: %s."
% (service.DeleteVG.DeleteVGValues.value_name(ret),))
def delete_vg(ns, vg):
"""
Destroy given Volume Group.
:type vg: LMIInstance/LMI_VGStoragePool or string
:param vg: Volume Group to delete.
"""
vg = common.str2vg(ns, vg)
service = ns.LMI_StorageConfigurationService.first_instance()
(ret, _outparams, err) = service.SyncDeleteVG(Pool=vg)
if ret != 0:
if err:
raise LmiFailed("Cannot delete the VG: %s." % err)
raise LmiFailed("Cannot delete the VG: %s." %
(service.DeleteVG.DeleteVGValues.value_name(ret), ))
def tp_show(ns, tp, human_friendly):
yield ("Type", "Thin Pool")
tp = common.str2vg(ns, tp)
yield ("InstanceID", tp.InstanceID)
yield ("ElementName", tp.ElementName)
yield ("Extent Size", common.size2str(tp.ExtentSize, human_friendly))
yield ("Total Size", common.size2str(tp.TotalManagedSpace, human_friendly))
yield ("Total Extents", tp.TotalExtents)
yield ("Free Space", common.size2str(tp.RemainingManagedSpace, human_friendly))
yield ("Free Extents", tp.RemainingExtents)
vgs = lvm.get_tp_vgs(ns, tp)
vgnames = [vg.Name for vg in vgs]
yield ("Volume Group", " ".join(vgnames))
lvs = lvm.get_vg_lvs(ns, tp)
lvnames = [lv.Name for lv in lvs]
yield ("Logical Volumes", " ".join(lvnames))
def tp_show(ns, tp, human_friendly):
yield ("Type", "Thin Pool")
tp = common.str2vg(ns, tp)
yield ("InstanceID", tp.InstanceID)
yield ("ElementName", tp.ElementName)
yield ("Extent Size", common.size2str(tp.ExtentSize, human_friendly))
yield ("Total Size", common.size2str(tp.TotalManagedSpace, human_friendly))
yield ("Total Extents", tp.TotalExtents)
yield ("Free Space",
common.size2str(tp.RemainingManagedSpace, human_friendly))
yield ("Free Extents", tp.RemainingExtents)
vgs = lvm.get_tp_vgs(ns, tp)
vgnames = [vg.Name for vg in vgs]
yield ("Volume Group", " ".join(vgnames))
lvs = lvm.get_vg_lvs(ns, tp)
lvnames = [lv.Name for lv in lvs]
yield ("Logical Volumes", " ".join(lvnames))
def get_lvs(ns, vgs=None):
"""
Retrieve list of all logical volumes allocated from given volume groups.
If no volume groups are provided, all logical volumes on the system
are returned.
:type vgs: list of LMIInstance/LMI_VGStoragePool or list of strings
:param vgs: Volume Groups to examine.
:rtype: list of LMIInstance/LMI_LVStorageExtent.
"""
if vgs:
for vg in vgs:
vg = common.str2vg(ns, vg)
LOG().debug("Getting LVs on %s", vg.ElementName)
for lv in get_vg_lvs(ns, vg):
yield lv
else:
# No vgs supplied, list all LVs
for lv in ns.LMI_LVStorageExtent.instances():
yield lv
def get_lvs(ns, vgs=None):
"""
Retrieve list of all logical volumes allocated from given volume groups.
If no volume groups are provided, all logical volumes on the system
are returned.
:type vgs: list of LMIInstance/LMI_VGStoragePool or list of strings
:param vgs: Volume Groups to examine.
:rtype: list of LMIInstance/LMI_LVStorageExtent.
"""
if vgs:
for vg in vgs:
vg = common.str2vg(ns, vg)
LOG().debug("Getting LVs on %s", vg.ElementName)
for lv in get_vg_lvs(ns, vg):
yield lv
else:
# No vgs supplied, list all LVs
for lv in ns.LMI_LVStorageExtent.instances():
yield lv
def modify_vg(ns, vg, add_pvs=None, remove_pvs=None):
"""
Modify given Volume Group.
Add 'add_pvs' devices as Physical Volumes of the group.
Remove 'remove_pvs' devices from the Volume Group.
:type vg: LMIInstance/LMI_VGStoragePool or string
:param vg: Volume Group to delete.
:type add_pvs: List of LMIInstances/LMI_VGStoragePools or strings
:param add_pvs: List of new devices to be added as Physical Volumes of the
VG.
:type remove_pvs: List of LMIInstances/LMI_VGStoragePools or strings
:param remove_pvs: List of Physical Volume to be removed from the VG.
"""
vg = common.str2vg(ns, vg)
service = ns.LMI_StorageConfigurationService.first_instance()
# get list of current PVs
pvs = get_vg_pvs(ns, vg)
for device in add_pvs:
device = common.str2device(ns, device)
if device not in pvs:
pvs.append(device)
for device in remove_pvs:
device = common.str2device(ns, device)
# don't report error when removing device that is not a PV
if device in pvs:
pvs.remove(device)
(ret, _outparams, err) = service.SyncCreateOrModifyVG(Pool=vg, InExtents = list(pvs))
if ret != 0:
if err:
raise LmiFailed("Cannot modify the VG: %s." % err)
raise LmiFailed("Cannot modify the VG: %s."
% (service.CreateOrModifyVG.CreateOrModifyVG.value_name(ret),))
LOG().info("Modified volume group %s", vg.Name)
def modify_vg(ns, vg, add_pvs=None, remove_pvs=None):
"""
Modify given Volume Group.
Add 'add_pvs' devices as Physical Volumes of the group.
Remove 'remove_pvs' devices from the Volume Group.
:type vg: LMIInstance/LMI_VGStoragePool or string
:param vg: Volume Group to delete.
:type add_pvs: List of LMIInstances/LMI_VGStoragePools or strings
:param add_pvs: List of new devices to be added as Physical Volumes of the
VG.
:type remove_pvs: List of LMIInstances/LMI_VGStoragePools or strings
:param remove_pvs: List of Physical Volume to be removed from the VG.
"""
vg = common.str2vg(ns, vg)
service = ns.LMI_StorageConfigurationService.first_instance()
# get list of current PVs
pvs = get_vg_pvs(ns, vg)
for device in add_pvs:
device = common.str2device(ns, device)
if device not in pvs:
pvs.append(device)
for device in remove_pvs:
device = common.str2device(ns, device)
# don't report error when removing device that is not a PV
if device in pvs:
pvs.remove(device)
(ret, _outparams, err) = service.SyncCreateOrModifyVG(Pool=vg, InExtents=list(pvs))
if ret != 0:
if err:
raise LmiFailed("Cannot modify the VG: %s." % err)
raise LmiFailed("Cannot modify the VG: %s." % (service.CreateOrModifyVG.CreateOrModifyVG.value_name(ret),))
LOG().info("Modified volume group %s", vg.Name)
def execute(self, ns, vg, name, size):
"""
Implementation of 'lv create' command.
"""
vg = str2vg(ns, vg[0])
lvm.create_lv(ns, vg, name, str2size(size, vg.ExtentSize, 'E'))
def execute(self, ns, tp, name, size):
"""
Implementation of 'thinlv create' command.
"""
tp = str2vg(ns, tp[0])
lvm.create_tlv(ns, tp, name, str2size(size))
def execute(self, ns, vg, name, size):
"""
Implementation of 'lv create' command.
"""
vg = str2vg(ns, vg[0])
lvm.create_lv(ns, vg, name, str2size(size, vg.ExtentSize, 'E'))