def version(self):
res, status = execWithCaptureStatus(PARTED, [PARTED, '-v'])
res = res.strip()
words = res.split()
if len(words) != 3:
raise Exception, "unable to get parted version"
return words[2]
def version(self):
res, status = execWithCaptureStatus(PARTED, [PARTED, '-v'])
res = res.strip()
words = res.split()
if len(words) != 3:
raise Exception, "unable to get parted version"
return words[2]
def follow_links_to_target(path, paths=[]):
global cache_readlink_o
global cache_readlink_s
if path.startswith("/") == False:
return None
if path not in cache_readlink_s:
o, s = execWithCaptureStatus('/bin/readlink', ['/bin/readlink', '-e', path])
cache_readlink_o[path] = o
cache_readlink_s[path] = s
else:
s = cache_readlink_s[path]
o = cache_readlink_o[path]
if s == 0:
word = o.strip()
if word != path:
paths.append(word)
return follow_links_to_target(word, paths)
else:
return path
else:
return None
def __init__(self):
global LVS_HAS_ALL_OPTION
global LVS_HAS_MIRROR_OPTIONS
out, status = execWithCaptureStatus(LVM_BIN_PATH, [LVM_BIN_PATH, 'lvs', '--all'])
if status == 0:
LVS_HAS_ALL_OPTION = True
LVS_HAS_MIRROR_OPTIONS = LVS_HAS_ALL_OPTION
self.__block_device_model = BlockDeviceModel()
self.__VGs = {}
self.__PVs = []
def follow_links_to_target(path, paths=[]):
o, s = execWithCaptureStatus('/bin/ls', ['/bin/ls', '-l', path])
if s == 0:
words = o.strip().split()
if words[0][0] == 'l':
target = words[len(words) - 1]
paths.append(target)
return follow_links_to_target(target, paths)
else:
return path
else:
return None
def get_label(self, devpath):
args = ['/usr/sbin/xfs_admin']
args.append('-l')
args.append(devpath)
o, r = execWithCaptureStatus('/usr/sbin/xfs_admin', args)
if r == 0:
words = o.split()
label = re.sub('\"', '', words[len(words) - 1])
if label:
return label
return None
return None
def __init__(self):
global LVS_HAS_ALL_OPTION
global LVS_HAS_MIRROR_OPTIONS
out, status = execWithCaptureStatus(LVM_BIN_PATH, [
LVM_BIN_PATH, 'lvs', '--config', "'log{command_names=0}'", '--all'
])
if status == 0:
LVS_HAS_ALL_OPTION = True
LVS_HAS_MIRROR_OPTIONS = LVS_HAS_ALL_OPTION
self.__block_device_model = BlockDeviceModel()
self.__VGs = {}
self.__PVs = []
def getPartitions(self, devpath):
sectorSize = FDisk().getDeviceGeometry(devpath)[1]
parts = list()
args = [PARTED, devpath]
if self.version() >= '1.6.23':
# parted versioned 1.6.23 and above has command "unit",
# 1.6.22 and bellow displays in MBs
args.append('unit')
args.append('b')
args.append('print')
args.append('-s')
res, status = execWithCaptureStatus(PARTED, args)
if status != 0:
msg = 'parted failed on ' + devpath
print msg
raise msg
lines = res.splitlines()
for line in lines:
if not re.match('^[0-9]', line):
continue
words = line.split()
if len(words) < 3:
continue
# partition num
part_num = int(words[0])
# beg, end
beg = self.__to_bytes(words[1]) / sectorSize
end = self.__to_bytes(words[2]) / sectorSize - 1
# bootable
bootable = False
for word in words:
if 'boot' in word:
bootable = True
# partition id
id = ID_UNKNOWN
if 'lvm' in words:
id = ID_LINUX_LVM
elif 'raid' in words:
id = 253
else:
for word in words:
if 'swap' in word:
id = ID_SWAPS[0]
part = Partition(beg, end, id, part_num, bootable, sectorSize)
parts.append(part)
return parts
def getPartitions(self, devpath):
sectorSize = FDisk().getDeviceGeometry(devpath)[1]
parts = list()
args = [PARTED, devpath]
if self.version() >= '1.6.23' :
# parted versioned 1.6.23 and above has command "unit",
# 1.6.22 and bellow displays in MBs
args.append('unit')
args.append('b')
args.append('print')
args.append('-s')
res, status = execWithCaptureStatus(PARTED, args)
if status != 0:
msg = 'parted failed on ' + devpath
print msg
raise msg
lines = res.splitlines()
for line in lines:
if not re.match('^[0-9]', line):
continue
words = line.split()
if len(words) < 3:
continue
# partition num
part_num = int(words[0])
# beg, end
beg = self.__to_bytes(words[1]) / sectorSize
end = self.__to_bytes(words[2]) / sectorSize - 1
# bootable
bootable = False
for word in words:
if 'boot' in word:
bootable = True
# partition id
id = ID_UNKNOWN
if 'lvm' in words:
id = ID_LINUX_LVM
elif 'raid' in words:
id = 253
else:
for word in words:
if 'swap' in word:
id = ID_SWAPS[0]
part = Partition(beg, end, id, part_num, bootable, sectorSize)
parts.append(part)
return parts
def getDeviceNames(self):
res = execWithCapture(SFDISK, [SFDISK, '-s'])
lines = res.splitlines()
devices = list()
for line in lines:
if not re.match('^/dev/', line):
continue
words = line.split(':')
devname = words[0].strip()
if not re.match('.*[0-9]', devname):
# check if partition table is OK
# out, err, ret = rhpl.executil.execWithCaptureErrorStatus(SFDISK, [SFDISK, '-V', devname])
out, ret = execWithCaptureStatus(SFDISK, [SFDISK, '-V', devname])
if ret != 0:
#print 'THERE IS A PROBLEM WITH PARTITION TABLE at device ' + devname
# print err
pass
devices.append(devname)
# check if geometry can be detected
for dev in devices[:]:
res = execWithCapture(SFDISK, [SFDISK, '-s', dev])
if re.match('.*cannot get geometry.*', res):
devices.remove(dev)
# check with blkid to remove false PV (all logical volumes in /dev/mapper)
for dev in devices[:]:
out, ret = execWithCaptureStatus(BLKID, [BLKID, dev])
if ret == 0:
devices.remove(dev)
continue
out, ret = execWithCaptureStatus(LVDISPLAY, [LVDISPLAY, dev])
if ret == 0:
devices.remove(dev)
continue
return devices
def get_label(self, devpath):
args = ['/sbin/tune2fs']
args.append('-l')
args.append(devpath)
o, r = execWithCaptureStatus('/sbin/tune2fs', args)
if r == 0:
lines = o.splitlines()
for line in lines:
if re.search('volume name', line, re.I):
words = line.split()
label = words[len(words) - 1]
if re.match('<none>', label, re.I):
return None
else:
return label
return None
def check_mountable(self, fsname, module):
global cache_mountable_fs
if fsname in cache_mountable_fs:
return cache_mountable_fs[fsname]
mountable = False
out = execWithCapture('/bin/cat', ['/bin/cat', '/proc/filesystems'])
if re.search(fsname, out, re.I):
mountable = True
if mountable == False:
out, status = execWithCaptureStatus(
'/sbin/modprobe', ['/sbin/modprobe', '-n', module])
if status == 0:
mountable = True
cache_mountable_fs[fsname] = mountable
return mountable
def getDeviceNames(self):
res = execWithCapture(SFDISK, [SFDISK, '-s'])
lines = res.splitlines()
devices = list()
for line in lines:
if not re.match('^/dev/', line):
continue
words = line.split(':')
devname = words[0].strip()
if not re.match('.*[0-9]', devname):
# check if partition table is OK
# out, err, ret = rhpl.executil.execWithCaptureErrorStatus(SFDISK, [SFDISK, '-V', devname])
out, ret = execWithCaptureStatus(SFDISK, [SFDISK, '-V', devname])
if ret != 0:
#print 'THERE IS A PROBLEM WITH PARTITION TABLE at device ' + devname
# print err
pass
devices.append(devname)
# check if geometry can be detected
for dev in devices[:]:
res = execWithCapture(SFDISK, [SFDISK, '-s', dev])
if re.match('.*cannot get geometry.*', res):
devices.remove(dev)
return devices