def __reload_lvs(self):
self.lvs = list()
self.lvs_paths = {}
argv = list()
argv.append(LVDISPLAY_BIN_PATH)
argv.append("-c")
(status, output) = process_call_argv(argv)
if status != 0:
logging.debug("error getting list of LV paths")
return
# parse command output
lines = output.splitlines()
for line in lines:
line = line.strip()
words = line.strip().split(":")
vgname = words[1].strip()
lvpath = words[0].strip()
last_slash_index = lvpath.rfind("/") + 1
lvname = lvpath[last_slash_index:]
self.lvs_paths[vgname + '`' + lvname] = lvpath
# lv query command
argv = list()
argv.append(LVM_BIN_PATH)
argv.append("lvs")
argv.append("--nosuffix")
argv.append("--noheadings")
argv.append("--units")
argv.append("b")
argv.append("--separator")
argv.append(";")
argv.append("-o")
argv.append(
"lv_name,vg_name,stripes,stripesize,lv_attr,lv_uuid,devices,origin,snap_percent,seg_start,seg_size,vg_extent_size,lv_size"
)
# execute command
(status, output) = process_call_argv(argv)
if status != 0:
logging.debug("error getting list of LV")
return
# parse command output
lines = output.splitlines()
for line in lines:
line = line.strip()
words = line.split(";")
lvname = words[0].strip()
vgname = words[1].strip()
attrs = words[4].strip()
uuid = words[5].strip()
extent_size = int(words[11])
lv_size = int(words[12]) / extent_size
if vgname == '': vgname = None
lv = LogicalVolume(lvname, self.lvs_paths[vgname + '`' + lvname],
vgname, True, attrs, uuid, lv_size, extent_size)
if vgname:
self.__vgs[vgname].append_lv(lv)
def __reload_lvs(self):
self.lvs = list()
self.lvs_paths = {}
argv = list()
argv.append(LVDISPLAY_BIN_PATH)
argv.append("-c")
(status, output) = process_call_argv(argv)
if status != 0:
logging.debug("error getting list of LV paths")
return
# parse command output
lines = output.splitlines()
for line in lines:
line = line.strip()
words = line.strip().split(":")
vgname = words[1].strip()
lvpath = words[0].strip()
last_slash_index = lvpath.rfind("/") + 1
lvname = lvpath[last_slash_index:]
self.lvs_paths[vgname + '`' + lvname] = lvpath
# lv query command
argv = list()
argv.append(LVM_BIN_PATH)
argv.append("lvs")
argv.append("--nosuffix")
argv.append("--noheadings")
argv.append("--units")
argv.append("b")
argv.append("--separator")
argv.append(";")
argv.append("-o")
argv.append("lv_name,vg_name,stripes,stripesize,lv_attr,lv_uuid,devices,origin,snap_percent,seg_start,seg_size,vg_extent_size,lv_size")
# execute command
(status, output) = process_call_argv(argv)
if status != 0:
logging.debug("error getting list of LV")
return
# parse command output
lines = output.splitlines()
for line in lines:
line = line.strip()
words = line.split(";")
lvname = words[0].strip()
vgname = words[1].strip()
attrs = words[4].strip()
uuid = words[5].strip()
extent_size = int(words[11])
lv_size = int(words[12]) / extent_size
if vgname == '': vgname = None
lv = LogicalVolume(lvname, self.lvs_paths[vgname + '`' + lvname], vgname, True, attrs, uuid, lv_size, extent_size)
if vgname:
self.__vgs[vgname].append_lv(lv)
def __reload_pvs(self):
self.pvs = list()
# pv query command
argv = list()
argv.append(LVM_BIN_PATH)
argv.append("pvs")
argv.append("--nosuffix")
argv.append("--noheadings")
argv.append("--units")
argv.append("g")
argv.append("--separator")
argv.append(",")
argv.append("-o")
argv.append("+pv_pe_count,pv_pe_alloc_count")
# execute command
(status, output) = process_call_argv(argv)
if status != 0:
print "error getting list of PV"
return
# parse command output
lines = output.splitlines()
for line in lines:
line = line.strip()
words = line.split(",")
vgname = words[1]
if vgname == '': vgname = None
pv = PhysicalVolume(words[0], vgname, words[2], words[3], words[4], words[5], True, words[6], words[7])
self.pvs.append(pv)
if vgname:
self.__vgs[vgname].append_pv(pv)
def __reload_pvs(self):
self.pvs = list()
# pv query command
argv = list()
argv.append(LVM_BIN_PATH)
argv.append("pvs")
argv.append("--nosuffix")
argv.append("--noheadings")
argv.append("--units")
argv.append("g")
argv.append("--separator")
argv.append(",")
argv.append("-o")
argv.append("+pv_pe_count,pv_pe_alloc_count")
# execute command
(status, output) = process_call_argv(argv)
if status != 0:
print "error getting list of PV"
return
# parse command output
lines = output.splitlines()
for line in lines:
line = line.strip()
words = line.split(",")
vgname = words[1]
if vgname == '': vgname = None
pv = PhysicalVolume(words[0], vgname, words[2], words[3], words[4], words[5], True, words[6], words[7])
self.pvs.append(pv)
if vgname:
self.__vgs[vgname].append_pv(pv)
def __reload_vgs(self):
self.vgs = list()
self.__vgs = {}
argv = list()
argv.append(LVM_BIN_PATH)
argv.append("vgs")
argv.append("--nosuffix")
argv.append("--noheadings")
argv.append("--units")
argv.append("b")
argv.append("--separator")
argv.append(",")
argv.append("-o")
argv.append("vg_name,vg_attr,vg_size,vg_extent_size,vg_free_count,max_lv,max_pv")
(status, output) = process_call_argv(argv)
if status != 0:
logging.debug("error getting list of VG")
return
lines = output.splitlines()
for line in lines:
line = line.strip()
words = line.split(",")
vgname = words[0].strip()
extent_size = int(words[3])
extents_total = int(words[2]) / extent_size
extents_free = int(words[4])
max_lvs = int(words[5])
max_pvs = int(words[6])
if max_lvs == 0: max_lvs = 256
if max_pvs == 0: max_pvs = 256
vg = VolumeGroup(vgname, words[1], extent_size, extents_total, extents_free, max_pvs, max_lvs)
self.__vgs[vgname] = vg
self.vgs.append(vg);
def remove_lv(self, lv):
argv = list()
argv.append(LVREMOVE_BIN_PATH)
argv.append("-f")
argv.append(lv.path)
(status, output) = process_call_argv(argv)
if status != 0:
logging.debug("error removing LV")
return output
logging.info(output)
return None
def remove_lv(self, lv):
argv = list()
argv.append(LVREMOVE_BIN_PATH)
argv.append("-f")
argv.append(lv.path)
(status, output) = process_call_argv(argv)
if status != 0:
logging.debug("error removing LV")
return output
logging.info(output)
return None
def remove_lv(self, lv):
# lv remove command
argv = list()
argv.append(LVREMOVE_BIN_PATH)
#argv.append("-t")
argv.append("-f")
argv.append(lv.path)
# execute command
(status, output) = process_call_argv(argv)
if status != 0:
print "error removing LV"
return output
print output
return None
def remove_lv(self, lv):
# lv remove command
argv = list()
argv.append(LVREMOVE_BIN_PATH)
#argv.append("-t")
argv.append("-f")
argv.append(lv.path)
# execute command
(status, output) = process_call_argv(argv)
if status != 0:
print "error removing LV"
return output
print output
return None
def __reload_vgs(self):
self.vgs = list()
self.__vgs = {}
# vg query command
argv = list()
argv.append(LVM_BIN_PATH)
argv.append("vgs")
argv.append("--nosuffix")
argv.append("--noheadings")
argv.append("--units")
argv.append("b")
argv.append("--separator")
argv.append(",")
argv.append("-o")
argv.append("vg_name,vg_attr,vg_size,vg_extent_size,vg_free_count,max_lv,max_pv")
# execute command
(status, output) = process_call_argv(argv)
if status != 0:
print "error getting list of VG"
return
# parse command output
lines = output.splitlines()
for line in lines:
line = line.strip()
words = line.split(",")
vgname = words[0].strip()
extent_size = int(words[3])
extents_total = int(words[2]) / extent_size
extents_free = int(words[4])
max_lvs = int(words[5])
max_pvs = int(words[6])
if max_lvs == 0: max_lvs = 256
if max_pvs == 0: max_pvs = 256
vg = VolumeGroup(vgname, words[1], extent_size, extents_total, extents_free, max_pvs, max_lvs)
self.__vgs[vgname] = vg
self.vgs.append(vg);
def create_lv(self, vg, lvname, size):
unit = size[-1:]
if unit in LVM.SIZE_UNITS or unit in LVM.EXTENDS_UNITS:
# lv create command
argv = list()
argv.append(LVCREATE_BIN_PATH)
#argv.append("-t") #uncomment to give an error
argv.append("-L" if unit in LVM.SIZE_UNITS else "-l")
argv.append(size)
argv.append("-n")
argv.append(lvname)
argv.append(vg.name)
# execute command
(status, output) = process_call_argv(argv)
if status != 0:
logging.debug(output)
return output
logging.info(output)
return None
return "Invalid Size!"
def create_lv(self, vg, lvname, size):
unit = size[-1:]
if unit in LVM.SIZE_UNITS or unit in LVM.EXTENDS_UNITS:
# lv create command
argv = list()
argv.append(LVCREATE_BIN_PATH)
#argv.append("-t") #uncomment to give an error
argv.append("-L" if unit in LVM.SIZE_UNITS else "-l")
argv.append(size)
argv.append("-n")
argv.append(lvname)
argv.append(vg.name)
# execute command
(status, output) = process_call_argv(argv)
if status != 0:
logging.debug(output)
return output
logging.info(output)
return None
return "Invalid Size!"
# lv create command
argv = list()
argv.append(LVCREATE_BIN_PATH)
#argv.append("-t") #uncomment to give an error
argv.append("-L" if unit in LVM.SIZE_UNITS else "-l")
argv.append(size)
argv.append("-n")
argv.append(lvname)
if snapshot:
argv.append('-s')
argv.append(snapshot.path)
else:
argv.append(vg.name)
# execute command
(status, output) = process_call_argv(argv)
if status != 0:
print "error creating LV"
return output
print output
return None
return "Invalid Size!"
def remove_lv(self, lv):
# lv remove command
argv = list()
argv.append(LVREMOVE_BIN_PATH)
#argv.append("-t")
argv.append("-f")
argv.append(lv.path)