def display(chroot=None):
command = "%s pvdisplay --units b 2>/dev/null" % \
LVM_PHYSICAL_VOLUME.prog
log.debug1(command)
(status, rusage, msg) = runScript(script=command, chroot=chroot)
if msg and msg != "":
log.debug1(msg, nofmt=1)
if status != 0:
log.error("Failed to get general physical volume information.")
return None
dict = { }
device = None
for line in msg.split("\n"):
line = line.strip()
if len(line) < 1 or line[0] == '#':
continue
if line[:7] == "PV Name":
device = line[7:].strip()
dict[device] = { }
d = dict[device]
if not device:
continue
try:
if line[:7] == "VG Name":
d["vgname"] = line[7:].strip()
elif line[:7] == "PV UUID":
d["pvuuid"] = line[7:].strip()
except:
log.error("pvdisplay output malformed.")
return None
return dict
def display(chroot=None):
command = "%s pvdisplay --units b 2>/dev/null" % \
LVM_PHYSICAL_VOLUME.prog
log.debug1(command)
(status, rusage, msg) = runScript(script=command, chroot=chroot)
if msg and msg != "":
log.debug1(msg, nofmt=1)
if status != 0:
log.error("Failed to get general physical volume information.")
return None
dict = {}
device = None
for line in msg.split("\n"):
line = line.strip()
if len(line) < 1 or line[0] == '#':
continue
if line[:7] == "PV Name":
device = line[7:].strip()
dict[device] = {}
d = dict[device]
if not device:
continue
try:
if line[:7] == "VG Name":
d["vgname"] = line[7:].strip()
elif line[:7] == "PV UUID":
d["pvuuid"] = line[7:].strip()
except:
log.error("pvdisplay output malformed.")
return None
return dict
def reload(self):
if not self.ped_disk:
try:
self.ped_disk = parted.PedDisk.new(self.ped_device)
except Exception, msg:
log.debug1(msg)
pass
def reload(self):
if not self.ped_disk:
try:
self.ped_disk = parted.PedDisk.new(self.ped_device)
except Exception, msg:
log.debug1(msg)
pass
def mount_nfs(url, dir, options=None):
if url[:6] != "nfs://":
raise ValueError, "'%s' is no valid nfs url." % url
what = url[6:]
splits = what.split("/", 1)
if splits[0][-1] != ":":
what = ":/".join(splits)
del splits
if not options:
options = "ro,rsize=32768,wsize=32768,hard,nolock"
# mount nfs source
log.debug1("Mounting '%s' on '%s'", what, dir)
mount(what, dir, fstype="nfs", options=options)
return "file://%s" % dir
def mount_nfs(url, dir, options=None):
if url[:6] != "nfs://":
raise ValueError, "'%s' is no valid nfs url." % url
what = url[6:]
splits = what.split("/", 1)
if splits[0][-1] != ":":
what = ":/".join(splits)
del splits
if not options:
options = "ro,rsize=32768,wsize=32768,hard,nolock"
# mount nfs source
log.debug1("Mounting '%s' on '%s'", what, dir)
mount(what, dir, fstype="nfs", options=options)
return "file://%s" % dir
def scan(chroot=None):
command = "%s pvscan 2>/dev/null" % LVM_PHYSICAL_VOLUME.prog
log.debug1(command)
(status, rusage, msg) = runScript(script=command, chroot=chroot)
if msg and msg != "":
log.debug1(msg, nofmt=1)
if status != 0:
log.error("Failed to scan for physical volumes.")
return None
dict = { }
for line in msg.split("\n"):
line = line.strip()
if len(line) < 1 or line[0] == '#':
continue
splits = line.split()
if len(splits) < 4 or splits[0] != "PV" or splits[2] != "VG":
continue
# set <volgroup>: <device>, ..
dict.setdefault(splits[3], [ ]).append(splits[1])
return dict
def scan(chroot=None):
command = "%s pvscan 2>/dev/null" % LVM_PHYSICAL_VOLUME.prog
log.debug1(command)
(status, rusage, msg) = runScript(script=command, chroot=chroot)
if msg and msg != "":
log.debug1(msg, nofmt=1)
if status != 0:
log.error("Failed to scan for physical volumes.")
return None
dict = {}
for line in msg.split("\n"):
line = line.strip()
if len(line) < 1 or line[0] == '#':
continue
splits = line.split()
if len(splits) < 4 or splits[0] != "PV" or splits[2] != "VG":
continue
# set <volgroup>: <device>, ..
dict.setdefault(splits[3], []).append(splits[1])
return dict
def display(chroot=None):
command = "%s lvdisplay --units b 2>/dev/null" % \
LVM_LOGICAL_VOLUME.prog
log.debug1(command)
(status, rusage, msg) = runScript(script=command, chroot=chroot)
if msg and msg != "":
log.debug1(msg, nofmt=1)
if status != 0:
log.error("Failed to get volume group information.")
return None
dict = { }
volume = None
for line in msg.split("\n"):
line = line.strip()
if len(line) < 1 or line[0] == '#':
continue
if line[:7] == "LV Name":
volume = line[7:].strip()
dict[volume] = { }
d = dict[volume]
if not volume:
continue
try:
if line[:6] == "VG Name":
d["vgname"] = line[7:].strip()
elif line[:6] == "LV UUID":
d["lvuuid"] = line[7:].strip()
elif line[:7] == "LV Size":
if line[-2:] == " B":
d["lvsize"] = long(line[7:-1].strip())
elif line[:7] == "Block device":
d["device"] = line[12:].strip()
except:
log.error("lvdisplay output malformed.")
return None
return dict
def display(chroot=None):
command = "%s vgdisplay --units b 2>/dev/null" % LVM_VOLGROUP.prog
log.debug1(command)
(status, rusage, msg) = runScript(script=command, chroot=chroot)
if msg and msg != "":
log.debug1(msg, nofmt=1)
if status != 0:
log.error("Failed to get volume group information.")
return None
dict = { }
group = None
for line in msg.split("\n"):
line = line.strip()
if len(line) < 1 or line[0] == '#':
continue
if line[:7] == "VG Name":
group = line[7:].strip()
dict[group] = { }
d = dict[group]
if not group:
continue
try:
if line[:6] == "Format":
d["format"] = line[7:].strip()
elif line[:7] == "VG Size":
if line[-2:] == " B":
d["vgsize"] = long(line[7:-1].strip())
elif line[:7] == "PE Size":
if line[-2:] == " B":
d["pesize"] = long(line[7:-1].strip())
elif line[:8] == "Total PE":
d["pe"] = long(line[8:].strip())
except:
log.error("vgdisplay output malformed.")
return None
return dict
def display(chroot=None):
command = "%s lvdisplay --units b 2>/dev/null" % \
LVM_LOGICAL_VOLUME.prog
log.debug1(command)
(status, rusage, msg) = runScript(script=command, chroot=chroot)
if msg and msg != "":
log.debug1(msg, nofmt=1)
if status != 0:
log.error("Failed to get volume group information.")
return None
dict = {}
volume = None
for line in msg.split("\n"):
line = line.strip()
if len(line) < 1 or line[0] == '#':
continue
if line[:7] == "LV Name":
volume = line[7:].strip()
dict[volume] = {}
d = dict[volume]
if not volume:
continue
try:
if line[:6] == "VG Name":
d["vgname"] = line[7:].strip()
elif line[:6] == "LV UUID":
d["lvuuid"] = line[7:].strip()
elif line[:7] == "LV Size":
if line[-2:] == " B":
d["lvsize"] = long(line[7:-1].strip())
elif line[:7] == "Block device":
d["device"] = line[12:].strip()
except:
log.error("lvdisplay output malformed.")
return None
return dict
def display(chroot=None):
command = "%s vgdisplay --units b 2>/dev/null" % LVM_VOLGROUP.prog
log.debug1(command)
(status, rusage, msg) = runScript(script=command, chroot=chroot)
if msg and msg != "":
log.debug1(msg, nofmt=1)
if status != 0:
log.error("Failed to get volume group information.")
return None
dict = {}
group = None
for line in msg.split("\n"):
line = line.strip()
if len(line) < 1 or line[0] == '#':
continue
if line[:7] == "VG Name":
group = line[7:].strip()
dict[group] = {}
d = dict[group]
if not group:
continue
try:
if line[:6] == "Format":
d["format"] = line[7:].strip()
elif line[:7] == "VG Size":
if line[-2:] == " B":
d["vgsize"] = long(line[7:-1].strip())
elif line[:7] == "PE Size":
if line[-2:] == " B":
d["pesize"] = long(line[7:-1].strip())
elif line[:8] == "Total PE":
d["pe"] = long(line[8:].strip())
except:
log.error("vgdisplay output malformed.")
return None
return dict
def scan(chroot=None):
command = "%s lvscan 2>/dev/null" % LVM_LOGICAL_VOLUME.prog
log.debug1(command)
(status, rusage, msg) = runScript(script=command, chroot=chroot)
if msg and msg != "":
log.debug1(msg, nofmt=1)
if status != 0:
log.error("Failed to scan for logical volumes.")
return None
dict = { }
for line in msg.split("\n"):
line = line.strip()
if len(line) < 1 or line[0] == '#':
continue
splits = line.split("'")
if len(splits) < 3:
continue
# set <volgroup>: <device>, ..
d = splits[1].split("/")
if len(d) != 3 or d[0] != "dev":
continue
dict[splits[1]] = d[1]
return dict
def scan(chroot=None):
command = "%s lvscan 2>/dev/null" % LVM_LOGICAL_VOLUME.prog
log.debug1(command)
(status, rusage, msg) = runScript(script=command, chroot=chroot)
if msg and msg != "":
log.debug1(msg, nofmt=1)
if status != 0:
log.error("Failed to scan for logical volumes.")
return None
dict = {}
for line in msg.split("\n"):
line = line.strip()
if len(line) < 1 or line[0] == '#':
continue
splits = line.split("'")
if len(splits) < 3:
continue
# set <volgroup>: <device>, ..
d = splits[1].split("/")
if len(d) != 3 or d[0] != "dev":
continue
dict[splits[1]] = d[1]
return dict
def mount_cdrom(dir):
what = "/dev/cdrom"
log.debug1("Mounting '%s' on '%s'", what, dir)
mount(what, dir, fstype="auto", options="ro")
return "file://%s" % dir
def mount_cdrom(dir):
what = "/dev/cdrom"
log.debug1("Mounting '%s' on '%s'", what, dir)
mount(what, dir, fstype="auto", options="ro")
return "file://%s" % dir
