import os, sys
import string
import popen2
-
+import time
from Exceptions import *
import utils
import BootServerRequest
-
+import BootAPI
import ModelOptions
-def Run( vars, log ):
+def Run(vars, log):
"""
Setup the block devices for install, partition them w/ LVM
SWAP_SIZE the size of the swap partition
"""
- log.write( "\n\nStep: Install: partitioning disks.\n" )
+ log.write("\n\nStep: Install: partitioning disks.\n")
# make sure we have the variables we need
try:
- TEMP_PATH= vars["TEMP_PATH"]
+ TEMP_PATH = vars["TEMP_PATH"]
if TEMP_PATH == "":
- raise ValueError, "TEMP_PATH"
+ raise ValueError("TEMP_PATH")
- INSTALL_BLOCK_DEVICES= vars["INSTALL_BLOCK_DEVICES"]
- if( len(INSTALL_BLOCK_DEVICES) == 0 ):
- raise ValueError, "INSTALL_BLOCK_DEVICES is empty"
+ INSTALL_BLOCK_DEVICES = vars["INSTALL_BLOCK_DEVICES"]
+ if(len(INSTALL_BLOCK_DEVICES) == 0):
+ raise ValueError("INSTALL_BLOCK_DEVICES is empty")
- ROOT_SIZE= vars["ROOT_SIZE"]
+ # use vs_ROOT_SIZE or lxc_ROOT_SIZE as appropriate
+ varname = vars['virt'] + "_ROOT_SIZE"
+ ROOT_SIZE = vars[varname]
if ROOT_SIZE == "" or ROOT_SIZE == 0:
- raise ValueError, "ROOT_SIZE invalid"
+ raise ValueError("ROOT_SIZE invalid")
- SWAP_SIZE= vars["SWAP_SIZE"]
+ SWAP_SIZE = vars["SWAP_SIZE"]
if SWAP_SIZE == "" or SWAP_SIZE == 0:
- raise ValueError, "SWAP_SIZE invalid"
+ raise ValueError("SWAP_SIZE invalid")
- NODE_MODEL_OPTIONS= vars["NODE_MODEL_OPTIONS"]
+ NODE_MODEL_OPTIONS = vars["NODE_MODEL_OPTIONS"]
- PARTITIONS= vars["PARTITIONS"]
+ PARTITIONS = vars["PARTITIONS"]
if PARTITIONS == None:
- raise ValueError, "PARTITIONS"
+ raise ValueError("PARTITIONS")
if NODE_MODEL_OPTIONS & ModelOptions.RAWDISK:
- VSERVERS_SIZE= "-1"
+ VSERVERS_SIZE = "-1"
if "VSERVERS_SIZE" in vars:
- VSERVERS_SIZE= vars["VSERVERS_SIZE"]
+ VSERVERS_SIZE = vars["VSERVERS_SIZE"]
if VSERVERS_SIZE == "" or VSERVERS_SIZE == 0:
- raise ValueError, "VSERVERS_SIZE"
+ raise ValueError("VSERVERS_SIZE")
- except KeyError, var:
- raise BootManagerException, "Missing variable in vars: %s\n" % var
- except ValueError, var:
- raise BootManagerException, "Variable in vars, shouldn't be: %s\n" % var
+ except KeyError as var:
+ raise BootManagerException("Missing variable in vars: {}\n".format(var))
+ except ValueError as var:
+ raise BootManagerException("Variable in vars, shouldn't be: {}\n".format(var))
- bs_request= BootServerRequest.BootServerRequest(vars)
+ bs_request = BootServerRequest.BootServerRequest(vars)
# disable swap if its on
- utils.sysexec_noerr( "swapoff %s" % PARTITIONS["swap"], log )
+ utils.sysexec_noerr("swapoff {}".format(PARTITIONS["swap"]), log)
# shutdown and remove any lvm groups/volumes
- utils.sysexec_noerr( "vgscan", log )
- utils.sysexec_noerr( "vgchange -ay", log )
- utils.sysexec_noerr( "lvremove -f %s" % PARTITIONS["root"], log )
- utils.sysexec_noerr( "lvremove -f %s" % PARTITIONS["swap"], log )
- utils.sysexec_noerr( "lvremove -f %s" % PARTITIONS["vservers"], log )
- utils.sysexec_noerr( "vgchange -an", log )
- utils.sysexec_noerr( "vgremove -f planetlab", log )
-
- log.write( "Running vgscan for devices\n" )
- utils.sysexec_noerr( "vgscan", log )
+ utils.sysexec_noerr("vgscan", log)
+ utils.sysexec_noerr("vgchange -ay", log)
+ utils.sysexec_noerr("lvremove -f {}".format(PARTITIONS["root"]), log)
+ utils.sysexec_noerr("lvremove -f {}".format(PARTITIONS["swap"]), log)
+ utils.sysexec_noerr("lvremove -f {}".format(PARTITIONS["vservers"]), log)
+ utils.sysexec_noerr("vgchange -an", log)
+ utils.sysexec_noerr("vgremove -f planetlab", log)
+
+ log.write("Running vgscan for devices\n")
+ utils.sysexec_noerr("vgscan", log)
- used_devices= []
+ used_devices = []
INSTALL_BLOCK_DEVICES.sort()
- for device in INSTALL_BLOCK_DEVICES:
- if single_partition_device( device, vars, log ):
+ for device in INSTALL_BLOCK_DEVICES:
+ if single_partition_device(device, vars, log):
if (len(used_devices) > 0 and
(vars['NODE_MODEL_OPTIONS'] & ModelOptions.RAWDISK)):
- log.write( "Running in raw disk mode, not using %s.\n" % device )
+ log.write("Running in raw disk mode, not using {}.\n".format(device))
else:
- used_devices.append( device )
- log.write( "Successfully initialized %s\n" % device )
+ used_devices.append(device)
+ log.write("Successfully initialized {}\n".format(device))
else:
- log.write( "Unable to partition %s, not using it.\n" % device )
+ log.write("Unable to partition {], not using it.\n".format(device))
continue
# list of devices to be used with vgcreate
- vg_device_list= ""
+ 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 )
-
- if not create_lvm_physical_volume( part_path, vars, log ):
- raise BootManagerException, "Could not create lvm physical volume " \
- "on partition %s" % part_path
-
+ 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 {}\n".format(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 {}".format(part_path))
vg_device_list = vg_device_list + " " + part_path
# create an lvm volume group
- utils.sysexec( "vgcreate -s32M planetlab %s" % vg_device_list, log)
+ utils.sysexec("vgcreate -s32M planetlab {}".format(vg_device_list), log)
# create swap logical volume
- utils.sysexec( "lvcreate -L%s -nswap planetlab" % SWAP_SIZE, log )
-
- # create root logical volume
- utils.sysexec( "lvcreate -L%s -nroot planetlab" % ROOT_SIZE, log )
+ utils.sysexec("lvcreate -L{} -nswap planetlab".format(SWAP_SIZE), log)
- if vars['NODE_MODEL_OPTIONS'] & ModelOptions.RAWDISK and VSERVERS_SIZE != "-1":
- utils.sysexec( "lvcreate -L%s -nvservers planetlab" % VSERVERS_SIZE, log )
- remaining_extents= get_remaining_extents_on_vg( vars, log )
- utils.sysexec( "lvcreate -l%s -nrawdisk planetlab" % remaining_extents, log )
+ # check if we want a separate partition for VMs
+ one_partition = vars['ONE_PARTITION']=='1'
+ if (one_partition):
+ remaining_extents = get_remaining_extents_on_vg(vars, log)
+ utils.sysexec("lvcreate -l{} -nroot planetlab".format(remaining_extents), log)
else:
- # create vservers logical volume with all remaining space
- # first, we need to get the number of remaining extents we can use
- remaining_extents= get_remaining_extents_on_vg( vars, log )
-
- utils.sysexec( "lvcreate -l%s -nvservers planetlab" % remaining_extents, log )
+ utils.sysexec("lvcreate -L{} -nroot planetlab".format(ROOT_SIZE), log)
+ if vars['NODE_MODEL_OPTIONS'] & ModelOptions.RAWDISK and VSERVERS_SIZE != "-1":
+ utils.sysexec("lvcreate -L{} -nvservers planetlab".format(VSERVERS_SIZE), log)
+ remaining_extents = get_remaining_extents_on_vg(vars, log)
+ utils.sysexec("lvcreate -l{} -nrawdisk planetlab".format(remaining_extents), log)
+ else:
+ # create vservers logical volume with all remaining space
+ # first, we need to get the number of remaining extents we can use
+ remaining_extents = get_remaining_extents_on_vg(vars, log)
+ utils.sysexec("lvcreate -l{} -nvservers planetlab".format(remaining_extents), log)
# activate volume group (should already be active)
- #utils.sysexec( TEMP_PATH + "vgchange -ay planetlab", log )
+ #utils.sysexec(TEMP_PATH + "vgchange -ay planetlab", log)
# make swap
- utils.sysexec( "mkswap -f %s" % PARTITIONS["swap"], log )
+ utils.sysexec("mkswap -f {}".format(PARTITIONS["swap"]), log)
# check if badhd option has been set
option = ''
# 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 is always with ext2
+ fs = 'root'
+ rbp = filesystems[fs]
+ devname = PARTITIONS[fs]
+ log.write("formatting {} partition ({}){}.\n".format(fs, devname, txt))
+ utils.sysexec("mkfs.ext2 -q {} -m {} -j {}".format(option, rbp, devname), log)
# disable time/count based filesystems checks
- for filesystem in ("root","vservers"):
- utils.sysexec_noerr( "tune2fs -c -1 -i 0 %s" % PARTITIONS[filesystem], log)
+ utils.sysexec_noerr("tune2fs -c -1 -i 0 {}".format(devname), log)
+
+ # VSERVER filesystem with btrfs to support snapshoting and stuff
+ fs = 'vservers'
+ rbp = filesystems[fs]
+ devname = PARTITIONS[fs]
+ if vars['virt'] == 'vs':
+ log.write("formatting {} partition ({}){}.\n".format(fs, devname, txt))
+ utils.sysexec("mkfs.ext2 -q {} -m {} -j {}".format(option, rbp, devname)), log)
+ # disable time/count based filesystems checks
+ utils.sysexec_noerr("tune2fs -c -1 -i 0 {}".format(devname), log)
+ elif not one_partition:
+ log.write("formatting {} btrfs partition ({}).\n".format(fs, devname))
+ # early BootCD's seem to come with a version of mkfs.btrfs that does not support -f
+ # let's check for that before invoking it
+ mkfs = "mkfs.btrfs"
+ if os.system("mkfs.btrfs --help 2>&1 | grep force") == 0:
+ mkfs += " -f"
+ mkfs +=" {}".format(devname)
+ utils.sysexec(mkfs, log)
+ # as of 2013/02 it looks like there's not yet an option to set fsck frequency with btrfs
# save the list of block devices in the log
- log.write( "Block devices used (in lvm): %s\n" % repr(used_devices))
+ log.write("Block devices used (in lvm): {}\n".format(repr(used_devices)))
# list of block devices used may be updated
- vars["INSTALL_BLOCK_DEVICES"]= used_devices
+ vars["INSTALL_BLOCK_DEVICES"] = used_devices
return 1
import parted
-def single_partition_device( device, vars, log ):
+def single_partition_device(device, vars, log):
"""
initialize a disk by removing the old partition tables,
and creating a new single partition that fills the disk.
except:
raise
-def single_partition_device_1_x ( device, vars, log):
+def single_partition_device_1_x (device, vars, log):
- lvm_flag= parted.partition_flag_get_by_name('lvm')
+ lvm_flag = parted.partition_flag_get_by_name('lvm')
try:
log.write("Using pyparted 1.x\n")
# wipe the old partition table
- utils.sysexec( "dd if=/dev/zero of=%s bs=512 count=1" % device, log )
+ utils.sysexec("dd if=/dev/zero of={} bs=512 count=1".format(device), log)
# get the device
- dev= parted.PedDevice.get(device)
+ dev = parted.PedDevice.get(device)
# create a new partition table
- disk= dev.disk_new_fresh(parted.disk_type_get("msdos"))
+ disk = dev.disk_new_fresh(parted.disk_type_get("msdos"))
# create one big partition on each block device
- constraint= dev.constraint_any()
+ constraint = dev.constraint_any()
- new_part= disk.partition_new(
+ new_part = disk.partition_new(
parted.PARTITION_PRIMARY,
parted.file_system_type_get("ext2"),
- 0, 1 )
+ 0, 1)
# make it an lvm partition
new_part.set_flag(lvm_flag,1)
disk.commit()
del disk
- except BootManagerException, e:
- log.write( "BootManagerException while running: %s\n" % str(e) )
+ except BootManagerException as e:
+ log.write("BootManagerException while running: {}\n".format(str(e)))
return 0
- except parted.error, e:
- log.write( "parted exception while running: %s\n" % str(e) )
+ except parted.error as e:
+ log.write("parted exception while running: {}\n".format(str(e)))
return 0
return 1
-def single_partition_device_2_x ( device, vars, 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
- except Exception, e:
- log.write( "Exception inside single_partition_device_2_x : %s\n" % str(e) )
+ def partition_table (device, part_type, fs_type):
+ # wipe the old partition table
+ utils.sysexec("dd if=/dev/zero of={} bs=512 count=1".format(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 {} - partition type {}\n{}\n".format(device, part_type, disk))
+ log.write ("Current dev for {}\n{}\n".format(device, dev))
+ del disk
+
+ try:
+ partition_table (device, 'msdos', 'ext2')
+ except:
+ partition_table (device, 'gpt', 'ext2')
+
+ except Exception as e:
+ log.write("Exception inside single_partition_device_2_x : {}\n".format(str(e)))
import traceback
traceback.print_exc(file=log)
return 0
-def create_lvm_physical_volume( part_path, vars, log ):
+def create_lvm_physical_volume(part_path, vars, log):
"""
make the specificed partition a lvm physical volume.
try:
# again, wipe any old data, this time on the partition
- utils.sysexec( "dd if=/dev/zero of=%s bs=512 count=1" % part_path, log )
+ utils.sysexec("dd if=/dev/zero of={} bs=512 count=1".format(part_path), log)
### patch Thierry Parmentelat, required on some hardware
import time
time.sleep(1)
- utils.sysexec( "pvcreate -ffy %s" % part_path, log )
- except BootManagerException, e:
- log.write( "create_lvm_physical_volume failed.\n" )
+ utils.sysexec("pvcreate -ffy {}".format(part_path), log)
+ except BootManagerException as e:
+ log.write("create_lvm_physical_volume failed.\n")
return 0
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 {} ".format(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: {}\n".format(partitions))
+ raise BootManagerException("Not enough disks for raid. Found: {}\n".format(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} --chunk=128 --level=raid{lvl} "\
+ "--raid-devices={num_parts} {part_list}".format(**locals())
+ utils.sysexec(cmd, log)
+
+ except BootManagerException as e:
+ log.write("create_raid_partition failed.\n")
+ raid_part = None
+
+ return raid_part
+
-def get_partition_path_from_device( device, vars, log ):
+def get_partition_path_from_device(device, vars, log):
"""
given a device, return the path of the first partition on the device
"""
# those who wrote the cciss driver just had to make it difficult
- cciss_test= "/dev/cciss"
+ cciss_test = "/dev/cciss"
if device[:len(cciss_test)] == cciss_test:
- part_path= device + "p1"
+ part_path = device + "p1"
else:
- part_path= device + "1"
+ part_path = device + "1"
return part_path
-def get_remaining_extents_on_vg( vars, log ):
+def get_remaining_extents_on_vg(vars, log):
"""
return the free amount of extents on the planetlab volume group
"""
c_stdout, c_stdin = popen2.popen2("vgdisplay -c planetlab")
- result= string.strip(c_stdout.readline())
+ result = string.strip(c_stdout.readline())
c_stdout.close()
c_stdin.close()
- remaining_extents= string.split(result,":")[15]
+ remaining_extents = string.split(result, ":")[15]
return remaining_extents
git://git.onelab.eu / bootmanager.git / blobdiff