3 # Copyright (c) 2003 Intel Corporation
6 # Copyright (c) 2004-2006 The Trustees of Princeton University
11 from Exceptions import *
16 import notify_messages
19 def Run( vars, log, filename = "/etc/modprobe.conf"):
21 write out the system file /etc/modprobe.conf with the current
24 returns a tuple of the number of network driver lines and storage
25 driver lines written as (networkcount,storagecount)
28 # write out the modprobe.conf file for the system. make sure
29 # the order of the ethernet devices are listed in the same order
30 # as the boot cd loaded the modules. this is found in /tmp/loadedmodules
31 # ultimately, the order will only match the boot cd order if
32 # the kernel modules have the same name - which should be true for the later
33 # version boot cds because they use the same kernel version.
34 # older boot cds use a 2.4.19 kernel, and its possible some of the network
35 # module names have changed, in which case the system might not boot
36 # if the network modules are activated in a different order that the
39 # make sure we have this class loaded
42 SYSIMG_PATH= vars["SYSIMG_PATH"]
44 raise ValueError, "SYSIMG_PATH"
47 raise BootManagerException, "Missing variable in vars: %s\n" % var
48 except ValueError, var:
49 raise BootManagerException, "Variable in vars, shouldn't be: %s\n" % var
51 sysmods= systeminfo.get_system_modules(vars, log)
53 raise BootManagerException, "Unable to get list of system modules."
55 # parse the existing modprobe.conf file, if one exists
56 mfile = "%s/%s" % (SYSIMG_PATH,filename)
57 m = modprobe.Modprobe()
58 if os.path.exists(mfile):
61 blacklist = modprobe.Modprobe()
62 if os.path.exists("/etc/modprobe.d"):
63 flist = os.listdir("/etc/modprobe.d")
65 if f.find("blacklist") == 0:
66 blacklist.input("/etc/modprobe.d/%s"%f)
69 m.optionsset("ata_generic","all_generic_ide=1")
71 for a_mod in sysmods[systeminfo.MODULE_CLASS_SCSI]:
72 if m.blacklistget(a_mod) <> None or \
73 blacklist.blacklistget(a_mod) <> None:
75 m.aliasset("scsi_hostadapter%d"%scsi_count,a_mod)
76 scsi_count= scsi_count + 1
80 for a_mod in sysmods[systeminfo.MODULE_CLASS_NETWORK]:
81 if m.blacklistget(a_mod) <> None or \
82 blacklist.blacklistget(a_mod) <> None:
84 m.aliasset("eth%d"%eth_count,a_mod)
85 eth_count= eth_count + 1
86 m.output(mfile, "BootManager")
87 m.output("%s.bak"%mfile, "BootManager") # write a backup version of this file
89 # dump the modprobe.conf file to the log (not to screen)
90 log.write( "Contents of new modprobe.conf file:\n" )
91 modulesconf_file= file("%s/%s" % (SYSIMG_PATH,filename), "r" )
92 contents= modulesconf_file.read()
93 log.write( contents + "\n" )
94 modulesconf_file.close()
95 modulesconf_file= None
96 log.write( "End contents of new modprobe.conf file.\n" )
98 # before we do the real kexec, check to see if we had any
99 # network drivers written to modprobe.conf. if not, return -1,
100 # which will cause this node to be switched to a debug state.
102 log.write( "\nIt appears we don't have any network drivers. Aborting.\n" )
104 vars['BOOT_STATE']= 'dbg'
105 vars['STATE_CHANGE_NOTIFY']= 1
106 vars['STATE_CHANGE_NOTIFY_MESSAGE']= \
107 notify_messages.MSG_NO_DETECTED_NETWORK
108 raise BootManagerException, \
109 notify_messages.MSG_NO_DETECTED_NETWORK