6 # Copyright (c) 2003 Intel Corporation
9 # Copyright (c) 2004-2006 The Trustees of Princeton University
10 # All rights reserved.
14 from Exceptions import *
19 import notify_messages
22 def Run( vars, log, filename = "/etc/modprobe.conf"):
24 write out the system file /etc/modprobe.conf with the current
27 returns a tuple of the number of network driver lines and storage
28 driver lines written as (networkcount,storagecount)
31 # write out the modprobe.conf file for the system. make sure
32 # the order of the ethernet devices are listed in the same order
33 # as the boot cd loaded the modules. this is found in /tmp/loadedmodules
34 # ultimately, the order will only match the boot cd order if
35 # the kernel modules have the same name - which should be true for the later
36 # version boot cds because they use the same kernel version.
37 # older boot cds use a 2.4.19 kernel, and its possible some of the network
38 # module names have changed, in which case the system might not boot
39 # if the network modules are activated in a different order that the
42 # make sure we have this class loaded
45 SYSIMG_PATH= vars["SYSIMG_PATH"]
47 raise ValueError, "SYSIMG_PATH"
50 raise BootManagerException, "Missing variable in vars: %s\n" % var
51 except ValueError, var:
52 raise BootManagerException, "Variable in vars, shouldn't be: %s\n" % var
54 sysmods= systeminfo.get_system_modules(vars, log)
56 raise BootManagerException, "Unable to get list of system modules."
58 # parse the existing modprobe.conf file, if one exists
59 mfile = "%s/%s" % (SYSIMG_PATH,filename)
60 m = modprobe.Modprobe()
61 if os.path.exists(mfile):
64 blacklist = modprobe.Modprobe()
65 blacklistfiles = ("blacklist","blacklist-compat","blacklist-firewire")
66 for blf in blacklistfiles:
67 if os.path.exists("/etc/modprobe.d/%s"%blf):
68 blacklist.input("/etc/modprobe.d/%s"%blf)
71 m.optionsset("ata_generic","all_generic_ide=1")
73 for a_mod in sysmods[systeminfo.MODULE_CLASS_SCSI]:
74 if m.blacklistget(a_mod) <> None or \
75 blacklist.blacklistget(a_mod) <> None:
77 m.aliasset("scsi_hostadapter%d"%scsi_count,a_mod)
78 scsi_count= scsi_count + 1
82 for a_mod in sysmods[systeminfo.MODULE_CLASS_NETWORK]:
83 if m.blacklistget(a_mod) <> None or \
84 blacklist.blacklistget(a_mod) <> None:
86 m.aliasset("eth%d"%eth_count,a_mod)
87 eth_count= eth_count + 1
88 m.output(mfile, "BootManager")
89 m.output("%s.bak"%mfile, "BootManager") # write a backup version of this file
91 # dump the modprobe.conf file to the log (not to screen)
92 log.write( "Contents of new modprobe.conf file:\n" )
93 modulesconf_file= file("%s/%s" % (SYSIMG_PATH,filename), "r" )
94 contents= modulesconf_file.read()
95 log.write( contents + "\n" )
96 modulesconf_file.close()
97 modulesconf_file= None
98 log.write( "End contents of new modprobe.conf file.\n" )
100 # before we do the real kexec, check to see if we had any
101 # network drivers written to modprobe.conf. if not, return -1,
102 # which will cause this node to be switched to a debug state.
104 log.write( "\nIt appears we don't have any network drivers. Aborting.\n" )
106 vars['RUN_LEVEL']= 'failboot'
107 vars['STATE_CHANGE_NOTIFY']= 1
108 vars['STATE_CHANGE_NOTIFY_MESSAGE']= \
109 notify_messages.MSG_NO_DETECTED_NETWORK
110 raise BootManagerException, \
111 notify_messages.MSG_NO_DETECTED_NETWORK