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 NETWORK_SETTINGS A dictionary of the values from the network
37 BOOT_CD_VERSION A tuple of the current bootcd version
39 Sets the following variables:
44 log.write( "\n\nStep: Install: Writing configuration files.\n" )
46 # make sure we have the variables we need
48 VERSION= vars["VERSION"]
50 raise ValueError, "VERSION"
52 SYSIMG_PATH= vars["SYSIMG_PATH"]
54 raise ValueError, "SYSIMG_PATH"
56 PARTITIONS= vars["PARTITIONS"]
57 if PARTITIONS == None:
58 raise ValueError, "PARTITIONS"
60 PLCONF_DIR= vars["PLCONF_DIR"]
62 raise ValueError, "PLCONF_DIR"
64 NETWORK_SETTINGS= vars["NETWORK_SETTINGS"]
65 if NETWORK_SETTINGS == "":
66 raise ValueError, "NETWORK_SETTINGS"
68 BOOT_CD_VERSION= vars["BOOT_CD_VERSION"]
69 if BOOT_CD_VERSION == "":
70 raise ValueError, "BOOT_CD_VERSION"
73 raise BootManagerException, "Missing variable in vars: %s\n" % var
74 except ValueError, var:
75 raise BootManagerException, "Variable in vars, shouldn't be: %s\n" % var
77 log.write( "Setting local time to UTC\n" )
78 utils.sysexec( "chroot %s ln -sf /usr/share/zoneinfo/UTC /etc/localtime" % \
81 log.write( "Enabling ntp at boot\n" )
82 utils.sysexec( "chroot %s chkconfig ntpd on" % SYSIMG_PATH, log )
84 log.write( "Creating system directory %s\n" % PLCONF_DIR )
85 if not utils.makedirs( "%s/%s" % (SYSIMG_PATH,PLCONF_DIR) ):
86 log.write( "Unable to create directory\n" )
89 log.write( "Writing system /etc/fstab\n" )
90 fstab= file( "%s/etc/fstab" % SYSIMG_PATH, "w" )
91 fstab.write( "%s none swap sw 0 0\n" % \
92 PARTITIONS["mapper-swap"] )
93 fstab.write( "%s / ext3 defaults 0 0\n" % \
94 PARTITIONS["mapper-root"] )
95 fstab.write( "%s /vservers ext3 tagxid,defaults 0 0\n" % \
96 PARTITIONS["mapper-vservers"] )
97 fstab.write( "none /proc proc defaults 0 0\n" )
98 fstab.write( "none /dev/shm tmpfs defaults 0 0\n" )
99 fstab.write( "none /dev/pts devpts defaults 0 0\n" )
101 # fstab.write( "none /rcfs rcfs defaults 0 0\n" )
105 log.write( "Writing system /etc/issue\n" )
106 issue= file( "%s/etc/issue" % SYSIMG_PATH, "w" )
107 issue.write( "PlanetLab Node: \\n\n" )
108 issue.write( "Kernel \\r on an \\m\n" )
109 issue.write( "http://www.planet-lab.org\n\n" )
112 log.write( "Setting up authentication (non-ssh)\n" )
113 utils.sysexec( "chroot %s authconfig --nostart --kickstart --enablemd5 " \
114 "--enableshadow" % SYSIMG_PATH, log )
115 utils.sysexec( "sed -e 's/^root\:\:/root\:*\:/g' " \
116 "%s/etc/shadow > %s/etc/shadow.new" % \
117 (SYSIMG_PATH,SYSIMG_PATH), log )
118 utils.sysexec( "chroot %s mv " \
119 "/etc/shadow.new /etc/shadow" % SYSIMG_PATH, log )
120 utils.sysexec( "chroot %s chmod 400 /etc/shadow" % SYSIMG_PATH, log )
122 # if we are setup with dhcp, copy the current /etc/resolv.conf into
123 # the system image so we can run programs inside that need network access
126 method= vars['NETWORK_SETTINGS']['method']
131 utils.sysexec( "cp /etc/resolv.conf %s/etc/" % SYSIMG_PATH, log )
133 # the kernel rpm should have already done this, so don't fail the
134 # install if it fails
135 log.write( "Mounting /proc in system image\n" )
136 utils.sysexec_noerr( "mount -t proc proc %s/proc" % SYSIMG_PATH, log )
138 # mkinitrd references both /etc/modprobe.conf and /etc/fstab
139 # as well as /proc/lvm/global. The kernel RPM installation
140 # likely created an improper initrd since these files did not
141 # yet exist. Re-create the initrd here.
142 log.write( "Making initrd\n" )
144 # trick mkinitrd in case the current environment does not have device mapper
146 if not os.path.exists( "%s/%s" % (SYSIMG_PATH,PARTITIONS["mapper-root"]) ):
148 utils.makedirs( "%s/dev/mapper" % SYSIMG_PATH )
149 rootdev= file( "%s/%s" % (SYSIMG_PATH,PARTITIONS["mapper-root"]), "w" )
152 initrd, kernel_version= systeminfo.getKernelVersion(vars,log)
153 utils.removefile( "%s/boot/%s" % (SYSIMG_PATH, initrd) )
154 utils.sysexec( "chroot %s mkinitrd /boot/initrd-%s.img %s" % \
155 (SYSIMG_PATH, kernel_version, kernel_version), log )
157 if fake_root_lvm == True:
158 utils.removefile( "%s/%s" % (SYSIMG_PATH,PARTITIONS["mapper-root"]) )
160 log.write( "Writing node install version\n" )
161 utils.makedirs( "%s/etc/planetlab" % SYSIMG_PATH )
162 ver= file( "%s/etc/planetlab/install_version" % SYSIMG_PATH, "w" )
163 ver.write( "%s\n" % VERSION )
166 log.write( "Creating ssh host keys\n" )
167 key_gen_prog= "/usr/bin/ssh-keygen"
169 log.write( "Generating SSH1 RSA host key:\n" )
170 key_file= "/etc/ssh/ssh_host_key"
171 utils.sysexec( "chroot %s %s -q -t rsa1 -f %s -C '' -N ''" %
172 (SYSIMG_PATH,key_gen_prog,key_file), log )
173 utils.sysexec( "chmod 600 %s/%s" % (SYSIMG_PATH,key_file), log )
174 utils.sysexec( "chmod 644 %s/%s.pub" % (SYSIMG_PATH,key_file), log )
176 log.write( "Generating SSH2 RSA host key:\n" )
177 key_file= "/etc/ssh/ssh_host_rsa_key"
178 utils.sysexec( "chroot %s %s -q -t rsa -f %s -C '' -N ''" %
179 (SYSIMG_PATH,key_gen_prog,key_file), log )
180 utils.sysexec( "chmod 600 %s/%s" % (SYSIMG_PATH,key_file), log )
181 utils.sysexec( "chmod 644 %s/%s.pub" % (SYSIMG_PATH,key_file), log )
183 log.write( "Generating SSH2 DSA host key:\n" )
184 key_file= "/etc/ssh/ssh_host_dsa_key"
185 utils.sysexec( "chroot %s %s -q -t dsa -f %s -C '' -N ''" %
186 (SYSIMG_PATH,key_gen_prog,key_file), log )
187 utils.sysexec( "chmod 600 %s/%s" % (SYSIMG_PATH,key_file), log )
188 utils.sysexec( "chmod 644 %s/%s.pub" % (SYSIMG_PATH,key_file), log )