def _lun_list(self):
lun = []
lun_info = []
pool = []
tgt = []
dir = '/'
res = _exec_pipe([self.lichfs, '--list', dir], 0, False)
for r in res.splitlines():
r = dir + r.split(' ')[-1]
if r == '/system':
continue
res = _exec_pipe([self.lichfs, '--list', r], 0, False)
for p in res.splitlines():
p = p.split(' ')[-1]
pool.append(r + dir + p)
for p in pool:
res = _exec_pipe([self.lichfs, '--list', p], 0, False)
for l in res.splitlines():
l = l.split(' ')[-1]
path = p + dir + l
if self.is_dir(path):
tgt.append(path)
else:
lun.append(path)
for t in tgt:
res = _exec_pipe([self.lichfs, '--list', t], 0, False)
res = [x.split(' ')[-1] for x in res.splitlines()]
for l in res:
path = t + dir + l
if (self.is_dir(path)):
_dmsg('%s is dir' % path)
_derror('list lun fail')
#exit(e.errno)
else:
lun.append(path)
for l in lun:
size = self.getsize(l)
size = _human_readable(int(size))
allocated = self.getallocated(l)
allocated = _human_readable(int(allocated) * self.chunksize)
lun_info.append((l, size, allocated))
return lun_info
def get_capacity_stand(self):
percent = self.__get_used_percent()
percent = sorted(percent, key=lambda d: d[3], reverse=False)
aver = sum([float(x[3]) for x in percent]) / len(percent)
list = [(float(x[3]) - aver) for x in percent]
total = sum([float(i) * float(i) for i in list])
stdev = math.sqrt(total / len(percent))
_dmsg("aver %s stdev %f" % (_human_readable(int(aver)), stdev))
return (aver, stdev)
def get_dev_size_syscall(self, dev):
if not dev.startswith("/dev/"):
dev = "/dev/" + dev
if not self.is_block(dev):
raise Exp(errno.EINVAL, os.strerror(errno.EINVAL))
fd = open(dev)
fd.seek(0, 2)
dev_size = fd.tell()
fd.close()
return _human_readable(dev_size)
try:
(out_msg, err_msg) = _exec_pipe1(["parted", dev, "print", "-s"], 0,
False, 5)
except Exp, e:
raise
self.dev_check[dev] = out_msg
lst = re.findall(r'^.+ Free Space\n', out_msg, re.M)
free = 0
for i in lst:
lst1 = re.findall(r'[\d.]+[kMG]B', i, 0)
free += _human_unreadable(lst1[2])
return _human_readable(free)
def get_dev_free(self, dev):
if self.disktool == 'sgdisk':
return self.get_dev_free_sgdisk(dev)
elif self.disktool == 'parted':
return self.get_dev_free_parted(dev)
def get_dev_speed(self, dev, verbose=False):
""" 针对移动集采，暂时不做磁盘测速 """
return 0
fd = os.open(dev, os.O_RDONLY)
disk_size = os.lseek(fd, 0, os.SEEK_END)
count = 0
def get_used_percent(self, lst=None):
percent = self.__get_used_percent(lst)
for i in percent:
_dmsg("%s used %2.0f%% capacity %s" %
(i[0], i[1], _human_readable(int(i[3]))))