def get_partition_file_system_type(part):
"""Return the file system type of the PedPartition part.
Arguments:
part -- PedPartition object
Return:
Filesystem object (as defined in fsset.py)
"""
if part.fs_type is None and part.native_type == 0x41:
ptype = fsset.fileSystemTypeGet("PPC PReP Boot")
elif part.fs_type == None:
return None
elif part.fs_type.name == "linux-swap":
ptype = fsset.fileSystemTypeGet("swap")
elif (part.fs_type.name == "FAT" or part.fs_type.name == "fat16"
or part.fs_type.name == "fat32"):
ptype = fsset.fileSystemTypeGet("vfat")
else:
try:
ptype = fsset.fileSystemTypeGet(part.fs_type.name)
except:
ptype = fsset.fileSystemTypeGet("foreign")
return ptype
def getBootableRequest(self):
"""Return the name of the current 'boot' mount point."""
bootreq = None
if iutil.getArch() == "ia64":
bootreq = self.getRequestByMountPoint("/boot/efi")
if bootreq:
return [bootreq]
else:
return None
elif iutil.getPPCMachine() == "iSeries":
for req in self.requests:
if req.fstype == fsset.fileSystemTypeGet("PPC PReP Boot"):
return [req]
return None
elif iutil.getPPCMachine() == "pSeries":
# pSeries bootable requests are odd.
# have to consider both the PReP partition (with potentially > 1
# existing) as well as /boot,/
# for the prep partition, we want either the first or the
# first non-preexisting one
bestprep = None
for req in self.requests:
if req.fstype == fsset.fileSystemTypeGet("PPC PReP Boot"):
if ((bestprep is None) or (bestprep.getPreExisting()
and not req.getPreExisting())):
bestprep = req
if bestprep:
ret = [bestprep]
else:
ret = []
# now add the /boot
bootreq = self.getRequestByMountPoint("/boot")
if not bootreq:
bootreq = self.getRequestByMountPoint("/")
if bootreq:
ret.append(bootreq)
if len(ret) >= 1:
return ret
return None
if not bootreq:
bootreq = self.getRequestByMountPoint("/boot")
if not bootreq:
bootreq = self.getRequestByMountPoint("/")
if bootreq:
return [bootreq]
return None
def checkForSwapNoMatch(intf, diskset, partitions):
"""Check for any partitions of type 0x82 which don't have a swap fs."""
for request in partitions.requests:
if not request.device or not request.fstype:
continue
part = partedUtils.get_partition_by_name(diskset.disks, request.device)
if (part and (not part.type & parted.PARTITION_FREESPACE)
and (part.native_type == 0x82)
and (request.fstype and request.fstype.getName() != "swap")
and (not request.format)):
rc = intf.messageWindow(_("Format as Swap?"),
_("/dev/%s has a partition type of 0x82 "
"(Linux swap) but does not appear to "
"be formatted as a Linux swap "
"partition.\n\n"
"Would you like to format this "
"partition as a swap partition?") %
(request.device),
type="yesno",
custom_icon="question")
if rc == 1:
request.format = 1
request.fstype = fsset.fileSystemTypeGet("swap")
if request.fstype.getName() == "software RAID":
part.set_flag(parted.PARTITION_RAID, 1)
else:
part.set_flag(parted.PARTITION_RAID, 0)
partedUtils.set_partition_file_system_type(
part, request.fstype)
def __init__(self, fstype =None, format = None,
vgname = None, physvols = None,
pesize = 32768, preexist = 0,
preexist_size = 0):
"""Create a new VolumeGroupRequestSpec object.
fstype is the fsset filesystem type.
format is whether or not the volume group should be created.
vgname is the name of the volume group.
physvols is a list of the ids for the physical volumes in the vg.
pesize is the size of a physical extent in kilobytes.
preexist is whether the volume group is preexisting.
preexist_size is the size of a preexisting VG read from /proc
(note that this is unclamped)
"""
if not fstype:
fstype = fsset.fileSystemTypeGet("volume group (LVM)")
RequestSpec.__init__(self, fstype = fstype, format = format)
self.type = REQUEST_VG
self.volumeGroupName = vgname
self.physicalVolumes = physvols
self.pesize = pesize
self.preexist = preexist
# FIXME: this is a hack so that we can set the vg name automagically
# with autopartitioning to not conflict with existing vgs
self.autoname = 0
if preexist and preexist_size:
self.preexist_size = preexist_size
log.debug("VolumeGroupRequestSpec('%s').preexist_size is %s" % (vgname, preexist_size))
else:
self.preexist_size = None
def __init__(self,
fstype=None,
format=None,
vgname=None,
physvols=None,
pesize=4096,
preexist=0,
preexist_size=0):
"""Create a new VolumeGroupRequestSpec object.
fstype is the fsset filesystem type.
format is whether or not the volume group should be created.
vgname is the name of the volume group.
physvols is a list of the ids for the physical volumes in the vg.
pesize is the size of a physical extent in kilobytes.
preexist is whether the volume group is preexisting.
preexist_size is the size of a preexisting VG read from /proc
(note that this is unclamped)
"""
if not fstype:
fstype = fsset.fileSystemTypeGet("volume group (LVM)")
RequestSpec.__init__(self, fstype=fstype, format=format)
self.type = REQUEST_VG
self.volumeGroupName = vgname
self.physicalVolumes = physvols
self.pesize = pesize
self.preexist = preexist
if preexist and preexist_size:
self.preexist_size = preexist_size
else:
self.preexist_size = None
def checkForSwapNoMatch(anaconda):
"""Check for any partitions of type 0x82 which don't have a swap fs."""
for request in anaconda.id.partitions.requests:
if not request.device or not request.fstype:
continue
part = partedUtils.get_partition_by_name(anaconda.id.diskset.disks,
request.device)
if (part and (not part.type & parted.PARTITION_FREESPACE)
and (part.native_type == 0x82)
and (request.fstype and request.fstype.getName() != "swap")
and (not request.format)):
rc = anaconda.intf.messageWindow(_("Format as Swap?"),
_("/dev/%s has a partition type of 0x82 "
"(Linux swap) but does not appear to "
"be formatted as a Linux swap "
"partition.\n\n"
"Would you like to format this "
"partition as a swap partition?")
% (request.device), type = "yesno",
custom_icon="question")
if rc == 1:
request.format = 1
request.fstype = fsset.fileSystemTypeGet("swap")
if request.fstype.getName() == "software RAID":
part.set_flag(parted.PARTITION_RAID, 1)
else:
part.set_flag(parted.PARTITION_RAID, 0)
partedUtils.set_partition_file_system_type(part,
request.fstype)
def check(self, chroot="/mnt/sysimage"):
"""
Will automatically check if the nfs export is availble or not and also update internal values.
"""
filesystem=fsset.fileSystemTypeGet("nfs")
filesystem.mount(self.device, chroot)
dfoutput=ComSystem.execLocalOutput("df %s" %chroot )
spaces=re.match(self.getExport()+"\W+\s(?P<all>\d+)\s+(?P<used>\d+)\s+(?P<available>\d+)\s", "\n".join(dfoutput[1:]))
if spaces:
self.size=int(spaces.group("all"))
self.used=int(spaces.group("used"))
self.available=int(spaces.group("available"))
filesystem.umount(self.device, chroot)
def __init__(self,
fstype=None,
format=None,
vgname=None,
physvols=None,
pesize=32768,
preexist=0,
preexist_size=0):
"""Create a new VolumeGroupRequestSpec object.
fstype is the fsset filesystem type.
format is whether or not the volume group should be created.
vgname is the name of the volume group.
physvols is a list of the ids for the physical volumes in the vg.
pesize is the size of a physical extent in kilobytes.
preexist is whether the volume group is preexisting.
preexist_size is the size of a preexisting VG read from /proc
(note that this is unclamped)
"""
if not fstype:
fstype = fsset.fileSystemTypeGet("volume group (LVM)")
RequestSpec.__init__(self, fstype=fstype, format=format)
self.type = REQUEST_VG
self.volumeGroupName = vgname
self.physicalVolumes = physvols
self.pesize = pesize
self.preexist = preexist
# FIXME: this is a hack so that we can set the vg name automagically
# with autopartitioning to not conflict with existing vgs
self.autoname = 0
if preexist and preexist_size:
self.preexist_size = preexist_size
log.debug("VolumeGroupRequestSpec('%s').preexist_size is %s" %
(vgname, preexist_size))
else:
self.preexist_size = None
def setFromDisk(self, diskset):
"""Clear the delete list and set self.requests to reflect disk."""
self.deletes = []
self.requests = []
diskset.refreshDevices()
labels = diskset.getLabels()
drives = diskset.disks.keys()
drives.sort()
for drive in drives:
disk = diskset.disks[drive]
part = disk.next_partition()
while part:
if part.type & parted.PARTITION_METADATA:
part = disk.next_partition(part)
continue
format = None
if part.type & parted.PARTITION_FREESPACE:
ptype = None
elif part.type & parted.PARTITION_EXTENDED:
ptype = None
elif part.get_flag(parted.PARTITION_RAID) == 1:
ptype = fsset.fileSystemTypeGet("software RAID")
elif part.get_flag(parted.PARTITION_LVM) == 1:
ptype = fsset.fileSystemTypeGet("physical volume (LVM)")
else:
ptype = partedUtils.get_partition_file_system_type(part)
# FIXME: we don't handle ptype being None very well, so
# just say it's foreign. Should probably fix None
# handling instead some day.
if ptype is None:
ptype = fsset.fileSystemTypeGet("foreign")
start = part.geom.start
end = part.geom.end
size = partedUtils.getPartSizeMB(part)
drive = partedUtils.get_partition_drive(part)
spec = partRequests.PreexistingPartitionSpec(ptype,
size=size,
start=start,
end=end,
drive=drive,
format=format)
spec.device = fsset.PartedPartitionDevice(part).getDevice()
# set label if makes sense
if ptype and ptype.isMountable() and \
(ptype.getName() == "ext2" or ptype.getName() == "ext3"):
if spec.device in labels.keys():
if labels[spec.device] and len(
labels[spec.device]) > 0:
spec.fslabel = labels[spec.device]
self.addRequest(spec)
part = disk.next_partition(part)
# now we need to read in all pre-existing RAID stuff
diskset.startAllRaid()
mdList = diskset.mdList
for raidDev in mdList:
(theDev, devices, level, numActive) = raidDev
level = "RAID%s" % (level, )
try:
chunk = isys.getRaidChunkFromDevice(theDev)
except Exception, e:
log("couldn't get chunksize of %s: %s" % (theDev, e))
chunk = None
# is minor always mdN ?
minor = int(theDev[2:])
raidvols = []
for dev in devices:
req = self.getRequestByDeviceName(dev)
if not req:
log("RAID device %s using non-existent partition %s" %
(theDev, dev))
continue
raidvols.append(req.uniqueID)
fs = partedUtils.sniffFilesystemType(theDev)
if fs is None:
fsystem = fsset.fileSystemTypeGet("foreign")
else:
fsystem = fsset.fileSystemTypeGet(fs)
mnt = None
format = 0
spares = len(devices) - numActive
spec = partRequests.RaidRequestSpec(fsystem,
format=format,
raidlevel=level,
raidmembers=raidvols,
raidminor=minor,
raidspares=spares,
mountpoint=mnt,
preexist=1,
chunksize=chunk)
spec.size = spec.getActualSize(self, diskset)
self.addRequest(spec)
def sanityCheckAllRequests(self, diskset, baseChecks=0):
"""Do a sanity check of all of the requests.
This function is called at the end of partitioning so that we
can make sure you don't have anything silly (like no /, a really
small /, etc). Returns (errors, warnings) where each is a list
of strings or None if there are none.
If baseChecks is set, the basic sanity tests which the UI runs prior to
accepting a partition will be run on the requests as well.
"""
checkSizes = [('/usr', 250), ('/tmp', 50), ('/var', 384),
('/home', 100), ('/boot', 75)]
warnings = []
errors = []
slash = self.getRequestByMountPoint('/')
if not slash:
errors.append(
_("You have not defined a root partition (/), "
"which is required for installation of %s "
"to continue.") % (productName, ))
if slash and slash.getActualSize(self, diskset) < 250:
warnings.append(
_("Your root partition is less than 250 "
"megabytes which is usually too small to "
"install %s.") % (productName, ))
if iutil.getArch() == "ia64":
bootreq = self.getRequestByMountPoint("/boot/efi")
if not bootreq or bootreq.getActualSize(self, diskset) < 50:
errors.append(
_("You must create a /boot/efi partition of "
"type FAT and a size of 50 megabytes."))
if (iutil.getPPCMachine() == "pSeries"
or iutil.getPPCMachine() == "iSeries"):
reqs = self.getBootableRequest()
found = 0
bestreq = None
if reqs:
for req in reqs:
if req.fstype == fsset.fileSystemTypeGet("PPC PReP Boot"):
found = 1
# the best one is either the first or the first
# newly formatted one
if ((bestreq is None) or ((bestreq.format == 0) and
(req.format == 1))):
bestreq = req
break
if iutil.getPPCMachine() == "iSeries" and iutil.hasIbmSis():
found = 1
if not found:
errors.append(_("You must create a PPC PReP Boot partition."))
if bestreq is not None:
if (iutil.getPPCMachine() == "pSeries"):
minsize = 4
else:
minsize = 16
if bestreq.getActualSize(self, diskset) < minsize:
warnings.append(
_("Your %s partition is less than %s "
"megabytes which is lower than "
"recommended for a normal %s install.") %
(_("PPC PReP Boot"), minsize, productName))
for (mount, size) in checkSizes:
req = self.getRequestByMountPoint(mount)
if not req:
continue
if req.getActualSize(self, diskset) < size:
warnings.append(
_("Your %s partition is less than %s "
"megabytes which is lower than recommended "
"for a normal %s install.") % (mount, size, productName))
foundSwap = 0
swapSize = 0
for request in self.requests:
if request.fstype and request.fstype.getName() == "swap":
foundSwap = foundSwap + 1
swapSize = swapSize + request.getActualSize(self, diskset)
if baseChecks:
rc = request.doSizeSanityCheck()
if rc:
warnings.append(rc)
rc = request.doMountPointLinuxFSChecks()
if rc:
errors.append(rc)
if isinstance(request, partRequests.RaidRequestSpec):
rc = request.sanityCheckRaid(self)
if rc:
errors.append(rc)
bootreqs = self.getBootableRequest()
if bootreqs:
for bootreq in bootreqs:
if (bootreq
and (isinstance(bootreq, partRequests.RaidRequestSpec))
and (not raid.isRaid1(bootreq.raidlevel))):
errors.append(
_("Bootable partitions can only be on RAID1 "
"devices."))
# can't have bootable partition on LV
if (bootreq and (isinstance(
bootreq, partRequests.LogicalVolumeRequestSpec))):
errors.append(
_("Bootable partitions cannot be on a "
"logical volume."))
# most arches can't have boot on RAID
if (bootreq
and (isinstance(bootreq, partRequests.RaidRequestSpec))
and (iutil.getArch() not in raid.raidBootArches)):
errors.append("Bootable partitions cannot be on a RAID "
"device.")
if foundSwap == 0:
warnings.append(
_("You have not specified a swap partition. "
"Although not strictly required in all cases, "
"it will significantly improve performance for "
"most installations."))
# XXX number of swaps not exported from kernel and could change
if foundSwap >= 32:
warnings.append(
_("You have specified more than 32 swap devices. "
"The kernel for %s only supports 32 "
"swap devices.") % (productName, ))
mem = iutil.memInstalled()
rem = mem % 16384
if rem:
mem = mem + (16384 - rem)
mem = mem / 1024
if foundSwap and (swapSize < (mem - 8)) and (mem < 1024):
warnings.append(
_("You have allocated less swap space (%dM) than "
"available RAM (%dM) on your system. This "
"could negatively impact performance.") % (swapSize, mem))
if warnings == []:
warnings = None
if errors == []:
errors = None
return (errors, warnings)
class Partitions:
"""Defines all of the partition requests and delete requests."""
def __init__(self, diskset=None):
"""Initializes a Partitions object.
Can pass in the diskset if it already exists.
"""
self.requests = []
"""A list of RequestSpec objects for all partitions."""
self.deletes = []
"""A list of DeleteSpec objects for partitions to be deleted."""
self.autoPartitionRequests = []
"""A list of RequestSpec objects for autopartitioning.
These are setup by the installclass and folded into self.requests
by auto partitioning."""
self.autoClearPartType = CLEARPART_TYPE_NONE
"""What type of partitions should be cleared?"""
self.autoClearPartDrives = None
"""Drives to clear partitions on (note that None is equiv to all)."""
self.nextUniqueID = 1
"""Internal counter. Don't touch unless you're smarter than me."""
self.reinitializeDisks = 0
"""Should the disk label be reset on all disks?"""
self.zeroMbr = 0
"""Should the mbr be zero'd?"""
# partition method to be used. not to be touched externally
self.useAutopartitioning = 1
self.useFdisk = 0
# autopartitioning info becomes kickstart partition requests
# and its useful to be able to differentiate between the two
self.isKickstart = 0
if diskset:
self.setFromDisk(diskset)
def setFromDisk(self, diskset):
"""Clear the delete list and set self.requests to reflect disk."""
self.deletes = []
self.requests = []
diskset.refreshDevices()
labels = diskset.getLabels()
drives = diskset.disks.keys()
drives.sort()
for drive in drives:
disk = diskset.disks[drive]
part = disk.next_partition()
while part:
if part.type & parted.PARTITION_METADATA:
part = disk.next_partition(part)
continue
format = None
if part.type & parted.PARTITION_FREESPACE:
ptype = None
elif part.type & parted.PARTITION_EXTENDED:
ptype = None
elif part.get_flag(parted.PARTITION_RAID) == 1:
ptype = fsset.fileSystemTypeGet("software RAID")
elif part.get_flag(parted.PARTITION_LVM) == 1:
ptype = fsset.fileSystemTypeGet("physical volume (LVM)")
else:
ptype = partedUtils.get_partition_file_system_type(part)
# FIXME: we don't handle ptype being None very well, so
# just say it's foreign. Should probably fix None
# handling instead some day.
if ptype is None:
ptype = fsset.fileSystemTypeGet("foreign")
start = part.geom.start
end = part.geom.end
size = partedUtils.getPartSizeMB(part)
drive = partedUtils.get_partition_drive(part)
spec = partRequests.PreexistingPartitionSpec(ptype,
size=size,
start=start,
end=end,
drive=drive,
format=format)
spec.device = fsset.PartedPartitionDevice(part).getDevice()
# set label if makes sense
if ptype and ptype.isMountable() and \
(ptype.getName() == "ext2" or ptype.getName() == "ext3"):
if spec.device in labels.keys():
if labels[spec.device] and len(
labels[spec.device]) > 0:
spec.fslabel = labels[spec.device]
self.addRequest(spec)
part = disk.next_partition(part)
# now we need to read in all pre-existing RAID stuff
diskset.startAllRaid()
mdList = diskset.mdList
for raidDev in mdList:
(theDev, devices, level, numActive) = raidDev
level = "RAID%s" % (level, )
try:
chunk = isys.getRaidChunkFromDevice(theDev)
except Exception, e:
log("couldn't get chunksize of %s: %s" % (theDev, e))
chunk = None
# is minor always mdN ?
minor = int(theDev[2:])
raidvols = []
for dev in devices:
req = self.getRequestByDeviceName(dev)
if not req:
log("RAID device %s using non-existent partition %s" %
(theDev, dev))
continue
raidvols.append(req.uniqueID)
fs = partedUtils.sniffFilesystemType(theDev)
if fs is None:
fsystem = fsset.fileSystemTypeGet("foreign")
else:
fsystem = fsset.fileSystemTypeGet(fs)
mnt = None
format = 0
spares = len(devices) - numActive
spec = partRequests.RaidRequestSpec(fsystem,
format=format,
raidlevel=level,
raidmembers=raidvols,
raidminor=minor,
raidspares=spares,
mountpoint=mnt,
preexist=1,
chunksize=chunk)
spec.size = spec.getActualSize(self, diskset)
self.addRequest(spec)
# now to read in pre-existing LVM stuff
lvm.vgscan()
lvm.vgactivate()
pvs = lvm.pvlist()
for (vg, size) in lvm.vglist():
# FIXME: need to find the pe size of the vg
pesize = 4096
try:
preexist_size = float(size) / 1024.0
except:
log("preexisting size for %s not a valid integer, ignoring" %
(vg, ))
preexist_size = None
pvids = []
for (dev, pvvg, size) in pvs:
if vg != pvvg:
continue
req = self.getRequestByDeviceName(dev[5:])
if not req:
log("Volume group %s using non-existent partition %s" %
(vg, dev))
continue
pvids.append(req.uniqueID)
spec = partRequests.VolumeGroupRequestSpec(
format=0,
vgname=vg,
physvols=pvids,
pesize=pesize,
preexist=1,
preexist_size=preexist_size)
vgid = self.addRequest(spec)
for (lvvg, lv, size) in lvm.lvlist():
if lvvg != vg:
continue
# size is number of bytes, we want size in megs
lvsize = float(size) / (1024.0 * 1024.0)
theDev = "/dev/%s/%s" % (vg, lv)
fs = partedUtils.sniffFilesystemType(theDev)
if fs is None:
fsystem = fsset.fileSystemTypeGet("foreign")
else:
fsystem = fsset.fileSystemTypeGet(fs)
mnt = 0
format = 0
spec = partRequests.LogicalVolumeRequestSpec(fsystem,
format=format,
size=lvsize,
volgroup=vgid,
lvname=lv,
mountpoint=mnt,
preexist=1)
self.addRequest(spec)
lvm.vgdeactivate()
diskset.stopAllRaid()
