3 # Copyright (c) 2003 Intel Corporation
6 # Copyright (c) 2004-2006 The Trustees of Princeton University
8 # expected /proc/partitions format
12 from Exceptions import *
21 Writes out the following configuration files for the node:
23 /etc/resolv.conf (if applicable)
25 /etc/ssh/ssh_host_rsa_key
26 /etc/ssh/ssh_host_dsa_key
28 Expect the following variables from the store:
29 VERSION the version of the install
30 SYSIMG_PATH the path where the system image will be mounted
31 (always starts with TEMP_PATH)
32 PARTITIONS dictionary of generic part. types (root/swap)
33 and their associated devices.
34 PLCONF_DIR The directory to store the configuration file in
35 INTERFACE_SETTINGS A dictionary of the values from the network
37 Sets the following variables:
42 log.write( "\n\nStep: Install: Writing configuration files.\n" )
44 # make sure we have the variables we need
46 VERSION= vars["VERSION"]
48 raise ValueError, "VERSION"
50 SYSIMG_PATH= vars["SYSIMG_PATH"]
52 raise ValueError, "SYSIMG_PATH"
54 PARTITIONS= vars["PARTITIONS"]
55 if PARTITIONS == None:
56 raise ValueError, "PARTITIONS"
58 PLCONF_DIR= vars["PLCONF_DIR"]
60 raise ValueError, "PLCONF_DIR"
62 INTERFACE_SETTINGS= vars["INTERFACE_SETTINGS"]
63 if INTERFACE_SETTINGS == "":
64 raise ValueError, "INTERFACE_SETTINGS"
67 raise BootManagerException, "Missing variable in vars: %s\n" % var
68 except ValueError, var:
69 raise BootManagerException, "Variable in vars, shouldn't be: %s\n" % var
71 log.write( "Setting local time to UTC\n" )
72 utils.sysexec( "chroot %s ln -sf /usr/share/zoneinfo/UTC /etc/localtime" % \
75 log.write( "Enabling ntp at boot\n" )
76 utils.sysexec( "chroot %s chkconfig ntpd on" % SYSIMG_PATH, log )
78 log.write( "Creating system directory %s\n" % PLCONF_DIR )
79 if not utils.makedirs( "%s/%s" % (SYSIMG_PATH,PLCONF_DIR) ):
80 log.write( "Unable to create directory\n" )
83 log.write( "Writing system /etc/fstab\n" )
84 fstab= file( "%s/etc/fstab" % SYSIMG_PATH, "w" )
85 fstab.write( "%s none swap sw 0 0\n" % \
86 PARTITIONS["mapper-swap"] )
87 fstab.write( "%s / ext3 defaults 1 1\n" % \
88 PARTITIONS["mapper-root"] )
89 fstab.write( "%s /vservers ext3 tagxid,defaults 1 2\n" % \
90 PARTITIONS["mapper-vservers"] )
91 fstab.write( "none /proc proc defaults 0 0\n" )
92 fstab.write( "none /dev/shm tmpfs defaults 0 0\n" )
93 fstab.write( "none /dev/pts devpts defaults 0 0\n" )
95 # fstab.write( "none /rcfs rcfs defaults 0 0\n" )
98 log.write( "Writing system /etc/issue\n" )
99 issue= file( "%s/etc/issue" % SYSIMG_PATH, "w" )
100 issue.write( "PlanetLab Node: \\n\n" )
101 issue.write( "Kernel \\r on an \\m\n" )
102 issue.write( "http://www.planet-lab.org\n\n" )
105 log.write( "Setting up authentication (non-ssh)\n" )
106 utils.sysexec( "chroot %s authconfig --nostart --kickstart --enablemd5 " \
107 "--enableshadow" % SYSIMG_PATH, log )
108 utils.sysexec( "sed -e 's/^root\:\:/root\:*\:/g' " \
109 "%s/etc/shadow > %s/etc/shadow.new" % \
110 (SYSIMG_PATH,SYSIMG_PATH), log )
111 utils.sysexec( "chroot %s mv " \
112 "/etc/shadow.new /etc/shadow" % SYSIMG_PATH, log )
113 utils.sysexec( "chroot %s chmod 400 /etc/shadow" % SYSIMG_PATH, log )
115 # if we are setup with dhcp, copy the current /etc/resolv.conf into
116 # the system image so we can run programs inside that need network access
119 method= vars['INTERFACE_SETTINGS']['method']
124 utils.sysexec( "cp /etc/resolv.conf %s/etc/" % SYSIMG_PATH, log )
126 log.write( "Writing node install version\n" )
127 utils.makedirs( "%s/etc/planetlab" % SYSIMG_PATH )
128 ver= file( "%s/etc/planetlab/install_version" % SYSIMG_PATH, "w" )
129 ver.write( "%s\n" % VERSION )
132 log.write( "Creating ssh host keys\n" )
133 key_gen_prog= "/usr/bin/ssh-keygen"
135 log.write( "Generating SSH1 RSA host key:\n" )
136 key_file= "/etc/ssh/ssh_host_key"
137 utils.sysexec( "chroot %s %s -q -t rsa1 -f %s -C '' -N ''" %
138 (SYSIMG_PATH,key_gen_prog,key_file), log )
139 utils.sysexec( "chmod 600 %s/%s" % (SYSIMG_PATH,key_file), log )
140 utils.sysexec( "chmod 644 %s/%s.pub" % (SYSIMG_PATH,key_file), log )
142 log.write( "Generating SSH2 RSA host key:\n" )
143 key_file= "/etc/ssh/ssh_host_rsa_key"
144 utils.sysexec( "chroot %s %s -q -t rsa -f %s -C '' -N ''" %
145 (SYSIMG_PATH,key_gen_prog,key_file), log )
146 utils.sysexec( "chmod 600 %s/%s" % (SYSIMG_PATH,key_file), log )
147 utils.sysexec( "chmod 644 %s/%s.pub" % (SYSIMG_PATH,key_file), log )
149 log.write( "Generating SSH2 DSA host key:\n" )
150 key_file= "/etc/ssh/ssh_host_dsa_key"
151 utils.sysexec( "chroot %s %s -q -t dsa -f %s -C '' -N ''" %
152 (SYSIMG_PATH,key_gen_prog,key_file), log )
153 utils.sysexec( "chmod 600 %s/%s" % (SYSIMG_PATH,key_file), log )
154 utils.sysexec( "chmod 644 %s/%s.pub" % (SYSIMG_PATH,key_file), log )