merged 5.0 (traditional vserver-based) and 5.1 (aka lxc_devel)

[bootmanager.git] / source / steps / CheckHardwareRequirements.py

diff --git a/source/steps/CheckHardwareRequirements.py b/source/steps/CheckHardwareRequirements.py
index 1344161..39f8785 100644 (file)
--- a/source/steps/CheckHardwareRequirements.py
+++ b/source/steps/CheckHardwareRequirements.py
@@ -1,50 +1,17 @@
+#!/usr/bin/python
+#
 # Copyright (c) 2003 Intel Corporation
 # All rights reserved.
-
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-
-#     * Redistributions in binary form must reproduce the above
-#       copyright notice, this list of conditions and the following
-#       disclaimer in the documentation and/or other materials provided
-#       with the distribution.
-
-#     * Neither the name of the Intel Corporation nor the names of its
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-# EXPORT LAWS: THIS LICENSE ADDS NO RESTRICTIONS TO THE EXPORT LAWS OF
-# YOUR JURISDICTION. It is licensee's responsibility to comply with any
-# export regulations applicable in licensee's jurisdiction. Under
-# CURRENT (May 2000) U.S. export regulations this software is eligible
-# for export from the U.S. and can be downloaded by or otherwise
-# exported or reexported worldwide EXCEPT to U.S. embargoed destinations
-# which include Cuba, Iraq, Libya, North Korea, Iran, Syria, Sudan,
-# Afghanistan and any other country to which the U.S. has embargoed
-# goods and services.
-
+#
+# Copyright (c) 2004-2006 The Trustees of Princeton University
+# All rights reserved.
+# expected /proc/partitions format
 
 import os
 import popen2
 import string
 
-from systeminfo import systeminfo
+import systeminfo
 from Exceptions import *
 import utils
 import notify_messages
@@ -73,7 +40,6 @@ def Run( vars, log ):
                             this node to be usable after install
     SKIP_HARDWARE_REQUIREMENT_CHECK
                             If set, don't check if minimum requirements are met
-    BOOT_CD_VERSION          A tuple of the current bootcd version                            
     Sets the following variables:
     INSTALL_BLOCK_DEVICES    list of block devices to install onto
     """
@@ -91,16 +57,13 @@ def Run( vars, log ):
 
         MINIMUM_DISK_SIZE= int(vars["MINIMUM_DISK_SIZE"])
 
-        TOTAL_MINIMUM_DISK_SIZE= \
-                   int(vars["TOTAL_MINIMUM_DISK_SIZE"])
+        # use vs_ or lxc_variants
+        varname=vars['virt']+"_TOTAL_MINIMUM_DISK_SIZE"
+        TOTAL_MINIMUM_DISK_SIZE= int(vars[varname])
 
         SKIP_HARDWARE_REQUIREMENT_CHECK= \
                    int(vars["SKIP_HARDWARE_REQUIREMENT_CHECK"])
         
-        BOOT_CD_VERSION= vars["BOOT_CD_VERSION"]
-        if BOOT_CD_VERSION == "":
-            raise ValueError, "BOOT_CD_VERSION"
-
     except KeyError, var:
         raise BootManagerException, \
               "Missing variable in install store: %s" % var
@@ -108,12 +71,10 @@ def Run( vars, log ):
         raise BootManagerException, \
               "Variable in install store blank, shouldn't be: %s" % var
 
-    sysinfo= systeminfo()
-    
     # lets see if we have enough memory to run
     log.write( "Checking for available memory.\n" )
 
-    total_mem= sysinfo.get_total_phsyical_mem()
+    total_mem= systeminfo.get_total_phsyical_mem(vars, log)
     if total_mem is None:
         raise BootManagerException, "Unable to read total physical memory"
         
@@ -152,7 +113,7 @@ def Run( vars, log ):
 
     # get a list of block devices to attempt to install on
     # (may include cdrom devices)
-    install_devices= sysinfo.get_block_device_list()
+    install_devices= systeminfo.get_block_device_list(vars, log)
 
     # save the list of block devices in the log
     log.write( "Detected block devices:\n" )
@@ -194,8 +155,8 @@ def Run( vars, log ):
         (major,minor,blocks,gb_size,readonly)= install_devices[device]
         
         # if the device string starts with
-        # planetlab, ignore it (could be old lvm setup)
-        if device[:14] == "/dev/planetlab":
+        # planetlab or dm- (device mapper), ignore it (could be old lvm setup)
+        if device[:14] == "/dev/planetlab" or device[:8] == "/dev/dm-":
             del install_devices[device]
             continue
 
@@ -284,10 +245,4 @@ def Run( vars, log ):
             
     log.write( "Total size for all usable block devices: %4.2f GB\n" % total_size )
 
-    # turn off UDMA for all block devices on 2.x cds (2.4 kernel)
-    if BOOT_CD_VERSION[0] == 2:
-        for device in install_devices:
-            log.write( "Disabling UDMA on %s\n" % device )
-            utils.sysexec_noerr( "/sbin/hdparm -d0 %s" % device, log )
-
     return 1