import os, sys
import string
import popen2
-
+import time
from Exceptions import *
import utils
import BootServerRequest
-
+import BootAPI
import ModelOptions
def Run( vars, log ):
# list of devices to be used with vgcreate
vg_device_list= ""
- # initialize the physical volumes
+ # get partitions
+ partitions = []
for device in used_devices:
-
part_path= get_partition_path_from_device( device, vars, log )
-
+ partitions.append(part_path)
+
+ # create raid partition
+ raid_partition = create_raid_partition(partitions, vars, log)
+ if raid_partition != None:
+ partitions = [raid_partition]
+ log.write("PARTITIONS %s\n" % str(partitions))
+ # initialize the physical volumes
+ for part_path in partitions:
if not create_lvm_physical_volume( part_path, vars, log ):
raise BootManagerException, "Could not create lvm physical volume " \
"on partition %s" % part_path
-
vg_device_list = vg_device_list + " " + part_path
# create an lvm volume group
# filesystems partitions names and their corresponding
# reserved-blocks-percentages
filesystems = {"root":5,"vservers":0}
-
- # make the file systems
- for fs in filesystems.keys():
- # get the reserved blocks percentage
- rbp = filesystems[fs]
- devname = PARTITIONS[fs]
- log.write("formatting %s partition (%s)%s.\n" % (fs,devname,txt))
- utils.sysexec( "mkfs.ext2 -q %s -m %d -j %s" % (option,rbp,devname), log )
+
+ # ROOT filesystem with ext2
+ fs = 'root'
+ rbp = filesystems[fs]
+ devname = PARTITIONS[fs]
+ log.write("formatting %s partition (%s)%s.\n" % (fs,devname,txt))
+ utils.sysexec( "mkfs.ext2 -q %s -m %d -j %s" % (option,rbp,devname), log )
+
+ # VSERVER filesystem with btrfs to support snapshoting and stuff
+ fs = 'vservers'
+ rbp = filesystems[fs]
+ devname = PARTITIONS[fs]
+ log.write("formatting %s partition (%s)%s.\n" % (fs,devname,txt))
+ utils.sysexec( "mkfs.btrfs %s" % (devname), log )
# disable time/count based filesystems checks
- for filesystem in ("root","vservers"):
+ for filesystem in ["root"]:
utils.sysexec_noerr( "tune2fs -c -1 -i 0 %s" % PARTITIONS[filesystem], log)
# save the list of block devices in the log
def single_partition_device_2_x ( device, vars, log):
try:
log.write("Using pyparted 2.x\n")
- # wipe the old partition table
- utils.sysexec( "dd if=/dev/zero of=%s bs=512 count=1" % device, log )
- # get the device
- dev= parted.Device(device)
+
+ # Thierry june 2012 -- for disks larger than 2TB
+ # calling this with part_type='msdos' would fail at the maximizePartition stage
# create a new partition table
- disk= parted.freshDisk(dev,'msdos')
- # create one big partition on each block device
- constraint= parted.constraint.Constraint (device=dev)
- geometry = parted.geometry.Geometry (device=dev, start=0, end=1)
- fs = parted.filesystem.FileSystem (type="ext2",geometry=geometry)
- new_part= parted.partition.Partition (disk, type=parted.PARTITION_NORMAL,
- fs=fs, geometry=geometry)
- # make it an lvm partition
- new_part.setFlag(parted.PARTITION_LVM)
- # actually add the partition to the disk
- disk.addPartition(new_part, constraint)
- disk.maximizePartition(new_part,constraint)
- disk.commit()
- print >>log, 'Current disk for %s'%device,disk
- print >>log, 'Current dev for %s'%device,dev
- del disk
+ def partition_table (device, part_type, fs_type):
+ # wipe the old partition table
+ utils.sysexec( "dd if=/dev/zero of=%s bs=512 count=1" % device, log )
+ # get the device
+ dev= parted.Device(device)
+ disk = parted.freshDisk(dev,part_type)
+ # create one big partition on each block device
+ constraint= parted.constraint.Constraint (device=dev)
+ geometry = parted.geometry.Geometry (device=dev, start=0, end=1)
+ fs = parted.filesystem.FileSystem (type=fs_type,geometry=geometry)
+ new_part= parted.partition.Partition (disk, type=parted.PARTITION_NORMAL,
+ fs=fs, geometry=geometry)
+ # make it an lvm partition
+ new_part.setFlag(parted.PARTITION_LVM)
+ # actually add the partition to the disk
+ disk.addPartition(new_part, constraint)
+ disk.maximizePartition(new_part,constraint)
+ disk.commit()
+ log.write ("Current disk for %s - partition type %s\n%s\n"%(device,part_type,disk))
+ log.write ("Current dev for %s\n%s\n"%(device,dev))
+ del disk
+
+ try:
+ partition_table (device, 'msdos', 'ext2')
+ except:
+ partition_table (device, 'gpt', 'ext2')
+
except Exception, e:
log.write( "Exception inside single_partition_device_2_x : %s\n" % str(e) )
import traceback
return 1
+def create_raid_partition(partitions, vars, log):
+ """
+ create raid array using specified partitions.
+ """
+ raid_part = None
+ raid_enabled = False
+ node_tags = BootAPI.call_api_function( vars, "GetNodeTags",
+ ({'node_id': vars['NODE_ID']},))
+ for node_tag in node_tags:
+ if node_tag['tagname'] == 'raid_enabled' and \
+ node_tag['value'] == '1':
+ raid_enabled = True
+ break
+ if not raid_enabled:
+ return raid_part
+
+ try:
+ log.write( "Software raid enabled.\n" )
+ # wipe everything
+ utils.sysexec_noerr("mdadm --stop /dev/md0", log)
+ time.sleep(1)
+ for part_path in partitions:
+ utils.sysexec_noerr("mdadm --zero-superblock %s " % part_path, log)
+
+ # assume each partiton is on a separate disk
+ num_parts = len(partitions)
+ if num_parts < 2:
+ log.write( "Not enough disks for raid. Found: %s\n" % partitions )
+ raise BootManagerException("Not enough disks for raid. Found: %s\n" % partitions)
+ if num_parts == 2:
+ lvl = 1
+ else:
+ lvl = 5
+
+ # make the array
+ part_list = " ".join(partitions)
+ raid_part = "/dev/md0"
+ cmd = "mdadm --create %(raid_part)s --chunk=128 --level=raid%(lvl)s " % locals() + \
+ "--raid-devices=%(num_parts)s %(part_list)s" % locals()
+ utils.sysexec(cmd, log)
+
+ except BootManagerException, e:
+ log.write("create_raid_partition failed.\n")
+ raid_part = None
+
+ return raid_part
+
def get_partition_path_from_device( device, vars, log ):
"""
git://git.onelab.eu / bootmanager.git / blobdiff