fix for centos5-based variant bootCD, where device mapper needs some help

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

diff --git a/source/steps/InitializeBootManager.py b/source/steps/InitializeBootManager.py
index 24abbb4..b419a90 100644 (file)
--- a/source/steps/InitializeBootManager.py
+++ b/source/steps/InitializeBootManager.py
@@ -1,3 +1,13 @@
+#!/usr/bin/python
+
+# $Id$
+
+# Copyright (c) 2003 Intel Corporation
+# All rights reserved.
+#
+# Copyright (c) 2004-2006 The Trustees of Princeton University
+# All rights reserved.
+
 import os
 import xmlrpclib
 import socket
@@ -12,7 +22,7 @@ BOOT_VERSION_2X_FILE='/usr/bootme/ID'
 BOOT_VERSION_3X_FILE='/pl_version'
 
 # minimium version of the boot os we need to run, as a (major,minor) tuple
-MINIMUM_BOOT_VERSION= (2,0)
+MINIMUM_BOOT_VERSION= (3,0)
 
 # minimum version of python required to run the boot manager
 MINIMUM_PYTHON_VERSION= (2,2,0)
@@ -24,12 +34,24 @@ def Run( vars, log ):
     hardware setup (to fix old cd problems)
 
     Sets the following variables:
-    BOOT_CD_VERSION           A two number tuple of the boot cd version
+    PARTITIONS        A dictionary of generic partition types and their
+                      associated devices.
+    BOOT_CD_VERSION   A two number tuple of the boot cd version
     """
 
     log.write( "\n\nStep: Initializing the BootManager.\n" )
 
-    
+    # define the basic partition paths
+    PARTITIONS= {}
+    PARTITIONS["root"]= "/dev/planetlab/root"
+    PARTITIONS["swap"]= "/dev/planetlab/swap"
+    PARTITIONS["vservers"]= "/dev/planetlab/vservers"
+    # Linux 2.6 mounts LVM with device mapper
+    PARTITIONS["mapper-root"]= "/dev/mapper/planetlab-root"
+    PARTITIONS["mapper-swap"]= "/dev/mapper/planetlab-swap"
+    PARTITIONS["mapper-vservers"]= "/dev/mapper/planetlab-vservers"
+    vars["PARTITIONS"]= PARTITIONS
+
     log.write( "Opening connection to API server\n" )
     try:
         api_inst= xmlrpclib.Server( vars['BOOT_API_SERVER'], verbose=0 )
@@ -48,23 +70,11 @@ def Run( vars, log ):
 
     BOOT_CD_VERSION= vars['BOOT_CD_VERSION']
     
-    # old cds need extra modules loaded for compaq smart array
-    if BOOT_CD_VERSION[0] == 2:
-
-        has_smartarray= utils.sysexec_noerr(
-            'lspci | egrep "0e11:b178|0e11:4070|0e11:4080|0e11:4082|0e11:4083"')
-        
-        if has_smartarray:
-            log.write( "Loading support for Compaq smart array\n" )
-            utils.sysexec_noerr( "modprobe cciss", log )
-            _create_cciss_dev_entries()
-            
-
-        has_fusion= utils.sysexec_noerr('lspci | egrep "1000:0030"')
-        
-        if has_fusion:
-            log.write( "Loading support for Fusion MPT SCSI controllers\n" )
-            utils.sysexec_noerr( "modprobe mptscsih", log )
+    # In case we are booted with a kernel that does not have the
+    # device mapper code compiled into the kernel.
+    if not os.path.exists("/dev/mapper"):
+        log.write( "Loading support for LVM\n" )
+        utils.sysexec_noerr( "modprobe dm_mod", log )
 
     # for anything that needs to know we are running under the boot cd and
     # not the runtime os