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import rcDevTree
import glob
import os
import re
from subprocess import *
from rcUtilities import which
from rcGlobalEnv import rcEnv
import rcDevTreeVeritas
class DevTree(rcDevTreeVeritas.DevTreeVeritas, rcDevTree.DevTree):
di = None
zpool_members = {}
zpool_used = {}
zpool_used_zfs = {}
zpool_size = {}
zpool_datasets = {}
zpool_datasets_used = {}
def load_partitions(self, d):
"""
* First Sector Last
* Partition Tag Flags Sector Count Sector Mount Directory
0 2 00 16779312 54281421 71060732
1 3 01 0 16779312 16779311
2 5 00 0 71127180 71127179
7 0 00 71060733 66447 71127179
"""
p = Popen(["prtvtoc", d.devpath[0]], stdout=PIPE, stderr=PIPE)
out, err = p.communicate()
if p.returncode != 0:
return
for line in out.split("\n"):
line = line.strip()
if line.startswith('*'):
continue
if line.startswith('2'):
continue
l = line.split()
if len(l) < 6:
continue
partname = d.devname + 's' + l[0]
partpath = d.devpath[0][:-1] + l[0]
partsize = self.di.get_part_size(partpath)
p = self.add_dev(partname, partsize, "linear")
p.set_devpath(partpath)
self.add_device_devpath(p, partpath)
p.set_devpath(partpath.replace("/dev/rdsk/", "/dev/dsk/"))
self.add_device_devpath(p, partpath)
d.add_child(partname)
p.add_parent(d.devname)
def add_device_devpath(self, dev, path):
if os.path.islink(path):
altpath = os.path.realpath(path)
if altpath != path:
dev.set_devpath(altpath)
def load_disks(self):
self.load_vxdisk_cache()
if len(self.vxdisk_cache) > 0:
self.load_vxdisk()
else:
self.load_format()
def load_vxdisk(self):
for devpath, data in self.vxdisk_cache.items():
if "size" not in data or "devpath" not in data:
continue
devname = os.path.basename(devpath)
bdevpath = devpath.replace("/rdsk/", "/dsk/").replace("/rdmp/", "/dmp/")
size = data["size"]
d = self.add_dev(devname, size, "linear")
d.set_devpath(data["devpath"])
d.set_devpath(devpath)
d.set_devpath(bdevpath)
self.add_device_devpath(d, devpath)
self.add_device_devpath(d, bdevpath)
self.load_partitions(d)
def load_format(self):
"""
0. c3t0d0 <SUN36G cyl 24620 alt 2 hd 27 sec 107>
/pci@1f,700000/scsi@2/sd@0,0
4. c5t600508B4000971CD00010000024A0000d0 <HP-HSV210-6200 cyl 61438 alt 2 hd 128 sec 128> EVA_SAVE
/scsi_vhci/ssd@g600508b4000971cd00010000024a0000
"""
p = Popen(["format", "-e"], stdout=PIPE, stderr=PIPE, stdin=PIPE)
out, err = p.communicate(input=None)
for line in out.split("\n"):
line = line.strip()
if re.match(r"[0-9]+\. ", line) is None:
continue
l = line.split()
devname = l[1]
devpath = '/dev/rdsk/'+devname+'s2'
bdevpath = devpath.replace("/rdsk/", "/dsk/")
size = self.di.get_size(devpath)
d = self.add_dev(devname, size, "linear")
d.set_devpath(devpath)
d.set_devpath(bdevpath)
self.add_device_devpath(d, devpath)
self.add_device_devpath(d, bdevpath)
self.load_partitions(d)
def load_sds(self):
if not os.path.exists("/usr/sbin/metastat"):
return
p = Popen(["metastat", "-p"], stdout=PIPE, stderr=PIPE)
out, err = p.communicate()
if p.returncode != 0:
return
lines = out.split('\n')
lines.reverse()
"""
# metastat -p
d11 -m d2 d3 1
d2 1 1 c3t0d0s1
d3 1 1 c3t1d0s1
"""
for line in lines:
l = line.split()
if len(l) < 3:
continue
childname = l[0]
childpath = "/dev/md/dsk/"+childname
childsize = self.di.get_size(childpath)
if l[1] == "-m":
childtype = "raid1"
else:
childtype = "linear"
childdev = self.add_dev(childname, childsize, childtype)
childdev.set_devpath(childpath)
if l[1] == "-m":
parentnames = l[2:-1]
else:
parentnames = [l[-1]]
for parentname in parentnames:
parentpath = "/dev/md/dsk/"+parentname
parentsize = self.di.get_size(parentpath)
parentdev = self.add_dev(parentname, parentsize, "linear")
childdev.add_parent(parentname)
parentdev.add_child(childname)
def load_zpool(self):
p = Popen(["zpool", "list", "-H"], stdout=PIPE, stderr=PIPE)
out, err = p.communicate()
if p.returncode != 0:
return
for line in out.split('\n'):
l = line.split()
if len(l) == 0:
continue
poolname = l[0]
self.load_zpool1(poolname)
def load_zpool1(self, poolname):
p = Popen(["zpool", "status", poolname], stdout=PIPE, stderr=PIPE)
out, err = p.communicate()
if p.returncode != 0:
return
self.zpool_members[poolname] = []
for line in out.split('\n'):
l = line.split()
if len(l) != 5:
continue
if l[0] == 'NAME':
continue
if l[0] == poolname:
continue
devname = l[0]
# -d mode import ?
if hasattr(rcEnv, "pathvar") and devname.startswith(rcEnv.pathvar):
devname = devname.split('/')[-1]
d = self.get_dev(devname)
if d is None:
continue
self.zpool_members[poolname].append(d)
p = Popen(["zpool", "iostat", poolname], stdout=PIPE, stderr=PIPE)
out, err = p.communicate()
if p.returncode != 0:
return
lines = out.split('\n')
lines = [l for l in lines if len(l) > 0]
self.zpool_used[poolname] = self.read_size(lines[-1].split()[1])
zpool_free = self.read_size(lines[-1].split()[2])
self.zpool_size[poolname] = self.zpool_used[poolname] + zpool_free
p = Popen(["zfs", "list", "-H", "-r", "-t", "filesystem", poolname], stdout=PIPE, stderr=PIPE)
out, err = p.communicate()
if p.returncode != 0:
return
self.zpool_datasets[poolname] = []
self.zpool_datasets_used[poolname] = 0
for line in out.split('\n'):
l = line.split()
if len(l) == 0:
continue
zfsname = l[0]
size = self.read_size(l[1])
refer = self.read_size(l[3])
size -= refer
mnt = l[4]
if zfsname == poolname:
self.zpool_used_zfs[poolname] = size
continue
self.zpool_datasets[poolname].append((zfsname, size))
self.zpool_datasets_used[poolname] += size
p = Popen(["zfs", "list", "-H", "-t", "snapshot"], stdout=PIPE, stderr=PIPE)
out, err = p.communicate()
if p.returncode != 0:
return
for line in out.split('\n'):
l = line.split()
if len(l) == 0:
continue
zfsname = l[0]
if not zfsname.startswith(poolname+'/') and \
not zfsname.startswith(poolname+'@'):
continue
size = self.read_size(l[1])
#refer = self.read_size(l[3])
self.zpool_datasets[poolname].append((zfsname, size))
self.zpool_datasets_used[poolname] += size
rest = self.zpool_used_zfs[poolname] - self.zpool_datasets_used[poolname]
if rest < 0:
rest = 0
self.zpool_datasets[poolname].append((poolname, rest))
self.zpool_datasets_used[poolname] += rest
if self.zpool_datasets_used[poolname] == 0:
ratio = 0
else:
ratio = 1.0 * self.zpool_used[poolname] / self.zpool_datasets_used[poolname]
for zfsname, size in self.zpool_datasets[poolname]:
used = int(size*ratio)
d = self.add_dev(zfsname, used, "zfs")
d.set_devpath(zfsname)
for m in self.zpool_members[poolname]:
member_ratio = 1.0 * m.size / self.zpool_size[poolname]
d.add_parent(m.devname)
m.add_child(zfsname)
self.set_relation_used(m.devname, zfsname, int(used*member_ratio))
def read_size(self, s):
if s == '0':
return 0
unit = s[-1]
size = float(s[:-1].replace(',','.'))
if unit == 'K':
size = size / 1024
elif unit == 'M':
pass
elif unit == 'G':
size = size * 1024
elif unit == 'T':
size = size * 1024 * 1024
elif unit == 'P':
size = size * 1024 * 1024 * 1024
elif unit == 'Z':
size = size * 1024 * 1024 * 1024 * 1024
else:
raise Exception("unit not supported: %s"%unit)
return int(size)
def load(self, di=None):
if di is not None:
self.di = di
if self.di is None:
from rcDiskInfoSunOS import diskInfo
self.di = diskInfo(deferred=True)
self.load_disks()
self.load_zpool()
self.load_sds()
self.load_vx_dmp()
self.load_vx_vm()
def blacklist(self, devname):
bl = [r'^loop[0-9]*.*', r'^ram[0-9]*.*', r'^scd[0-9]*', r'^sr[0-9]*']
for b in bl:
if re.match(b, devname):
return True
return False
if __name__ == "__main__":
tree = DevTree()
tree.load()
#print(tree)
tree.print_tree_bottom_up()
#print(map(lambda x: x.alias, tree.get_top_devs()))
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