X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=source%2Fsteps%2FInstallPartitionDisks.py;h=a8e3cb859023442cf9136a3d6581497e8c1b497b;hb=e05070ce6f4f8f8104a0df0ebbfa56183017d7bb;hp=77bc9d414e4f2c9ddc279b6b62e3be30f1494720;hpb=094a91004df52c1db9cbdd65abe8bff6dbccd99c;p=bootmanager.git diff --git a/source/steps/InstallPartitionDisks.py b/source/steps/InstallPartitionDisks.py index 77bc9d4..a8e3cb8 100644 --- a/source/steps/InstallPartitionDisks.py +++ b/source/steps/InstallPartitionDisks.py @@ -55,12 +55,19 @@ def Run( vars, log ): if PARTITIONS == None: raise ValueError, "PARTITIONS" + if NODE_MODEL_OPTIONS & ModelOptions.RAWDISK: + VSERVERS_SIZE= "-1" + if "VSERVERS_SIZE" in vars: + VSERVERS_SIZE= vars["VSERVERS_SIZE"] + if VSERVERS_SIZE == "" or VSERVERS_SIZE == 0: + 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 - bs_request= BootServerRequest.BootServerRequest() + bs_request= BootServerRequest.BootServerRequest(vars) # disable swap if its on @@ -80,11 +87,16 @@ def Run( vars, log ): used_devices= [] + INSTALL_BLOCK_DEVICES.sort() for device in INSTALL_BLOCK_DEVICES: if single_partition_device( device, vars, log ): - used_devices.append( device ) - log.write( "Successfully initialized %s\n" % device ) + if (len(used_devices) > 0 and + (vars['NODE_MODEL_OPTIONS'] & ModelOptions.RAWDISK)): + log.write( "Running in raw disk mode, not using %s.\n" % device ) + else: + used_devices.append( device ) + log.write( "Successfully initialized %s\n" % device ) else: log.write( "Unable to partition %s, not using it.\n" % device ) continue @@ -112,11 +124,16 @@ def Run( vars, log ): # create root logical volume utils.sysexec( "lvcreate -L%s -nroot planetlab" % ROOT_SIZE, log ) - # 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 ) + 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 ) + 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 ) # activate volume group (should already be active) #utils.sysexec( TEMP_PATH + "vgchange -ay planetlab", log ) @@ -143,6 +160,10 @@ def Run( vars, log ): 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 ) + # disable time/count based filesystems checks + for filesystem in ("root","vservers"): + utils.sysexec_noerr( "tune2fs -c -1 -i 0 %s" % PARTITIONS[filesystem], log) + # save the list of block devices in the log log.write( "Block devices used (in lvm): %s\n" % repr(used_devices)) @@ -152,7 +173,7 @@ def Run( vars, log ): return 1 - +import parted def single_partition_device( device, vars, log ): """ initialize a disk by removing the old partition tables, @@ -161,11 +182,21 @@ def single_partition_device( device, vars, log ): return 1 if sucessful, 0 otherwise """ - import parted + # two forms, depending on which version of pyparted we have + try: + version=parted.version() + return single_partition_device_2_x (device, vars, log) + except: + return 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') try: + print >>log, "Using pyparted 1.x" # wipe the old partition table utils.sysexec( "dd if=/dev/zero of=%s bs=512 count=1" % device, log ) @@ -206,6 +237,40 @@ def single_partition_device( device, vars, log ): +def single_partition_device_2_x ( device, vars, log): + try: + print >>log, "Using pyparted 2.x" + # 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) + # 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) ) + import traceback + traceback.print_exc(file=log) + return 0 + + return 1 + + + def create_lvm_physical_volume( part_path, vars, log ): """ make the specificed partition a lvm physical volume.