# Copyright (c) 2003 Intel Corporation
# All rights reserved.
#
-# Copyright (c) 2004-2006 The Trustees of Princeton University
+# Copyright (c) 2004-2008 The Trustees of Princeton University
# All rights reserved.
-# expected /proc/partitions format
-
-#----------------------------------------------------
-#major minor #blocks name
-#
-#3 0 40017915 hda
-#3 1 208813 hda1
-#3 2 20482875 hda2
-#3 3 522112 hda3
-#3 4 18804082 hda4
-#----------------------------------------------------
-
-
-import string
-import sys
-import os
-import popen2
-import re
-import errno
-import ModelOptions
-import pypciscan
-import pypcimap
-from Exceptions import *
-
-"""
-a utility class for finding and returning information about
-block devices, memory, and other hardware on the system
-"""
-
-PROC_MEMINFO_PATH= "/proc/meminfo"
-PROC_PARTITIONS_PATH= "/proc/partitions"
-
-# set when the sfdisk -l <dev> trick has been done to make
-# all devices show up
-DEVICES_SCANNED_FLAG= "/tmp/devices_scanned"
-
-# a /proc/partitions block is 1024 bytes
-# a GB to a HDD manufacturer is 10^9 bytes
-BLOCKS_PER_GB = pow(10, 9) / 1024.0;
-
-
-# -n is numeric ids (no lookup), -m is machine readable
-LSPCI_CMD= "/sbin/lspci -nm"
-
-MODULE_CLASS_NETWORK= "network"
-MODULE_CLASS_SCSI= "scsi"
-
-PCI_BASE_CLASS_NETWORK=0x02L
-PCI_BASE_CLASS_STORAGE=0x01L
-
-PCI_ANY=0xffffffffL
-
-def get_total_phsyical_mem(vars = {}, log = sys.stderr):
- """
- return the total physical memory of the machine, in kilobytes.
-
- Return None if /proc/meminfo not readable.
- """
-
- try:
- meminfo_file= file(PROC_MEMINFO_PATH,"r")
- except IOError, e:
- return
-
- total_memory= None
-
- for line in meminfo_file:
-
- try:
- (fieldname,value)= string.split(line,":")
- except ValueError, e:
- # this will happen for lines that don't have two values
- # (like the first line on 2.4 kernels)
- continue
-
- fieldname= string.strip(fieldname)
- value= string.strip(value)
-
- if fieldname == "MemTotal":
- try:
- (total_memory,units)= string.split(value)
- except ValueError, e:
- return
-
- if total_memory == "" or total_memory == None or \
- units == "" or units == None:
- return
-
- if string.lower(units) != "kb":
- return
-
- try:
- total_memory= int(total_memory)
- except ValueError, e:
- return
-
- break
-
- meminfo_file.close()
- return total_memory
-
-def get_block_device_list(vars = {}, log = sys.stderr):
- """
- get a list of block devices from this system.
- return an associative array, where the device name
- (full /dev/device path) is the key, and the value
- is a tuple of (major,minor,numblocks,gb_size,readonly)
- """
-
- # make sure we can access to the files/directories in /proc
- if not os.access(PROC_PARTITIONS_PATH, os.F_OK):
- return None
-
- # table with valid scsi/sata/ide/raid block device names
- valid_blk_names = {}
- # add in valid sd and hd block device names
- for blk_prefix in ('sd','hd'):
- for blk_num in map ( \
- lambda x: chr(x), range(ord('a'),ord('z')+1)):
- devicename="%s%c" % (blk_prefix, blk_num)
- valid_blk_names[devicename]=None
-
- # add in valid scsi raid block device names
- for M in range(0,1+1):
- for N in range(0,7+1):
- devicename = "cciss/c%dd%d" % (M,N)
- valid_blk_names[devicename]=None
-
- for devicename in valid_blk_names.keys():
- # devfs under 2.4 (old boot cds) used to list partitions
- # in a format such as scsi/host0/bus0/target0/lun0/disc
- # and /dev/sda, etc. were just symlinks
- try:
- devfsname= os.readlink( "/dev/%s" % devicename )
- valid_blk_names[devfsname]=None
- except OSError:
- pass
-
- # only do this once every system boot
- if not os.access(DEVICES_SCANNED_FLAG, os.R_OK):
-
- # this is ugly. under devfs, device
- # entries in /dev/scsi/.. and /dev/ide/...
- # don't show up until you attempt to read
- # from the associated device at /dev (/dev/sda).
- # so, lets run sfdisk -l (list partitions) against
- # most possible block devices, that way they show
- # up when it comes time to do the install.
- devicenames = valid_blk_names.keys()
- devicenames.sort()
- for devicename in devicenames:
- os.system( "sfdisk -l /dev/%s > /dev/null 2>&1" % devicename )
-
- # touch file
- fb = open(DEVICES_SCANNED_FLAG,"w")
- fb.close()
-
- devicelist= {}
-
- partitions_file= file(PROC_PARTITIONS_PATH,"r")
- line_count= 0
- for line in partitions_file:
- line_count= line_count + 1
-
- # skip the first two lines always
- if line_count < 2:
- continue
-
- parts= string.split(line)
-
- if len(parts) < 4:
- continue
-
- device= parts[3]
-
- # skip and ignore any partitions
- if not valid_blk_names.has_key(device):
- continue
-
- try:
- major= int(parts[0])
- minor= int(parts[1])
- blocks= int(parts[2])
- except ValueError, err:
- continue
-
- gb_size= blocks/BLOCKS_PER_GB
-
- # check to see if the blk device is readonly
- try:
- # can we write to it?
- dev_name= "/dev/%s" % device
- fb = open(dev_name,"w")
- fb.close()
- readonly=False
- except IOError, e:
- # check if EROFS errno
- if errno.errorcode.get(e.errno,None) == 'EROFS':
- readonly=True
- else:
- # got some other errno, pretend device is readonly
- readonly=True
-
- devicelist[dev_name]= (major,minor,blocks,gb_size,readonly)
-
- return devicelist
-
-
-def get_system_modules( vars = {}, log = sys.stderr):
- """
- Return a list of kernel modules that this system requires.
- This requires access to the installed system's root
- directory, as the following file must exist and is used:
- <install_root>/lib/modules/(first entry if kernel_version unspecified)/modules.pcimap
-
- If there are more than one kernels installed, and the kernel
- version is not specified, then only the first one in
- /lib/modules is used.
-
- Returns a dictionary, keys being the type of module:
- - scsi MODULE_CLASS_SCSI
- - network MODULE_CLASS_NETWORK
- The value being the kernel module name to load.
-
- Some sata devices show up under an IDE device class,
- hence the reason for checking for ide devices as well.
- If there actually is a match in the pci -> module lookup
- table, and its an ide device, its most likely sata,
- as ide modules are built in to the kernel.
- """
-
- if not vars.has_key("SYSIMG_PATH"):
- vars["SYSIMG_PATH"]="/"
- SYSIMG_PATH=vars["SYSIMG_PATH"]
-
- if not vars.has_key("NODE_MODEL_OPTIONS"):
- vars["NODE_MODEL_OPTIONS"] = 0;
-
- initrd, kernel_version = getKernelVersion(vars, log)
-
- # get the kernel version we are assuming
- if kernel_version is None:
- try:
- kernel_version= os.listdir( "%s/lib/modules/" % SYSIMG_PATH )
- except OSError, e:
- return
-
- if len(kernel_version) == 0:
- return
-
- if len(kernel_version) > 1:
- print( "WARNING: We may be returning modules for the wrong kernel." )
-
- kernel_version= kernel_version[0]
-
- print( "Using kernel version %s" % kernel_version )
-
- # test to make sure the file we need is present
- modules_pcimap_path = "%s/lib/modules/%s/modules.pcimap" % \
- (SYSIMG_PATH,kernel_version)
- if not os.access(modules_pcimap_path,os.R_OK):
- print( "Unable to read %s" % path )
- return
-
- pcimap = pypcimap.PCIMap(modules_pcimap_path)
-
- # this is the actual data structure we return
- system_mods= {}
-
- # these are the lists that will be in system_mods
- network_mods= []
- scsi_mods= []
-
- # XXX: this is really similar to what BootCD/conf_files/pl_hwinit does. merge?
- pcidevs = pypciscan.get_devices()
-
- for (slot, dev) in pcidevs.iteritems():
- base = (dev[4] & 0xff0000) >> 16
- if base not in (PCI_BASE_CLASS_STORAGE,
- PCI_BASE_CLASS_NETWORK):
- continue
-
- modules = pcimap.get(dev)
- if len(modules) > 0:
- if base == PCI_BASE_CLASS_NETWORK:
- network_mods += modules
- elif base == PCI_BASE_CLASS_STORAGE:
- scsi_mods += modules
-
- system_mods[MODULE_CLASS_SCSI]= scsi_mods
- system_mods[MODULE_CLASS_NETWORK]= network_mods
-
- return system_mods
-
-
-def getKernelVersion( vars = {} , log = sys.stderr):
- # make sure we have the variables we need
- try:
- SYSIMG_PATH= vars["SYSIMG_PATH"]
- if SYSIMG_PATH == "":
- raise ValueError, "SYSIMG_PATH"
-
- NODE_MODEL_OPTIONS=vars["NODE_MODEL_OPTIONS"]
- 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
-
- option = ''
- if NODE_MODEL_OPTIONS & ModelOptions.SMP:
- option = 'smp'
- try:
- os.stat("%s/boot/kernel-boot%s" % (SYSIMG_PATH,option))
- os.stat("%s/boot/initrd-boot%s" % (SYSIMG_PATH,option))
- except OSError, e:
- # smp kernel is not there; remove option from modeloptions
- # such that the rest of the code base thinks we are just
- # using the base kernel.
- NODE_MODEL_OPTIONS = NODE_MODEL_OPTIONS & ~ModelOptions.SMP
- vars["NODE_MODEL_OPTIONS"] = NODE_MODEL_OPTIONS
- log.write( "WARNING: Couldn't locate smp kernel.\n")
- option = ''
- try:
- initrd= os.readlink( "%s/boot/initrd-boot%s" % (SYSIMG_PATH,option) )
- kernel_version= initrd.replace("initrd-", "").replace(".img", "")
- except OSError, e:
- initrd = None
- kernel_version = None
-
- return (initrd, kernel_version)
-
-
-if __name__ == "__main__":
- devices= get_block_device_list()
- print "block devices detected:"
- if not devices:
- print "no devices found!"
- else:
- for dev in devices.keys():
- print "%s %s" % (dev, repr(devices[dev]))
-
-
- print ""
- memory= get_total_phsyical_mem()
- if not memory:
- print "unable to read /proc/meminfo for memory"
- else:
- print "total physical memory: %d kb" % memory
-
-
- print ""
-
- kernel_version = None
- if len(sys.argv) > 2:
- kernel_version = sys.argv[1]
-
- modules= get_system_modules()
- if not modules:
- print "unable to list system modules"
- else:
- for type in modules:
- if type == MODULE_CLASS_SCSI:
- print( "all scsi modules:" )
- for a_mod in modules[type]:
- print a_mod
- elif type == MODULE_CLASS_NETWORK:
- print( "all network modules:" )
- for a_mod in modules[type]:
- print a_mod
-
+try:
+ from systeminfo_34 import *
+except:
+ from systeminfo_30 import *
git://git.onelab.eu / bootmanager.git / blobdiff