1 # Copyright (c) 2003 Intel Corporation
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5 # modification, are permitted provided that the following conditions are
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32 # EXPORT LAWS: THIS LICENSE ADDS NO RESTRICTIONS TO THE EXPORT LAWS OF
33 # YOUR JURISDICTION. It is licensee's responsibility to comply with any
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35 # CURRENT (May 2000) U.S. export regulations this software is eligible
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45 from Exceptions import *
47 from systeminfo import systeminfo
54 Writes out the following configuration files for the node:
57 /etc/sysconfig/network-scripts/ifcfg-eth0
58 /etc/resolv.conf (if applicable)
59 /etc/sysconfig/network
62 /etc/ssh/ssh_host_rsa_key
63 /etc/ssh/ssh_host_dsa_key
65 Expect the following variables from the store:
66 VERSION the version of the install
67 SYSIMG_PATH the path where the system image will be mounted
68 (always starts with TEMP_PATH)
69 PARTITIONS dictionary of generic part. types (root/swap)
70 and their associated devices.
71 PLCONF_DIR The directory to store the configuration file in
72 NETWORK_SETTINGS A dictionary of the values from the network
74 BOOT_CD_VERSION A tuple of the current bootcd version
76 Sets the following variables:
81 log.write( "\n\nStep: Install: Writing configuration files.\n" )
83 # make sure we have the variables we need
85 VERSION= vars["VERSION"]
87 raise ValueError, "VERSION"
89 SYSIMG_PATH= vars["SYSIMG_PATH"]
91 raise ValueError, "SYSIMG_PATH"
93 PARTITIONS= vars["PARTITIONS"]
94 if PARTITIONS == None:
95 raise ValueError, "PARTITIONS"
97 PLCONF_DIR= vars["PLCONF_DIR"]
99 raise ValueError, "PLCONF_DIR"
101 NETWORK_SETTINGS= vars["NETWORK_SETTINGS"]
102 if NETWORK_SETTINGS == "":
103 raise ValueError, "NETWORK_SETTINGS"
105 BOOT_CD_VERSION= vars["BOOT_CD_VERSION"]
106 if BOOT_CD_VERSION == "":
107 raise ValueError, "BOOT_CD_VERSION"
109 except KeyError, var:
110 raise BootManagerException, "Missing variable in vars: %s\n" % var
111 except ValueError, var:
112 raise BootManagerException, "Variable in vars, shouldn't be: %s\n" % var
115 # we need to keys in PARTITIONS, root and swap, make sure
117 val= PARTITIONS["root"]
118 val= PARTITIONS["swap"]
119 val= PARTITIONS["vservers"]
120 val= PARTITIONS["mapper-root"]
121 val= PARTITIONS["mapper-swap"]
122 val= PARTITIONS["mapper-vservers"]
123 except KeyError, part:
124 log.write( "Missing partition in PARTITIONS: %s\n" % part )
128 log.write( "Setting local time to UTC\n" )
129 utils.sysexec( "chroot %s ln -sf /usr/share/zoneinfo/UTC /etc/localtime" % \
133 log.write( "Enabling ntp at boot\n" )
134 utils.sysexec( "chroot %s chkconfig ntpd on" % SYSIMG_PATH, log )
136 log.write( "Creating system directory %s\n" % PLCONF_DIR )
137 if not utils.makedirs( "%s/%s" % (SYSIMG_PATH,PLCONF_DIR) ):
138 log.write( "Unable to create directory\n" )
142 log.write( "Writing network configuration\n" )
143 write_network_configuration( vars, log )
145 # write out the modprobe.conf file for the system. make sure
146 # the order of the ethernet devices are listed in the same order
147 # as the boot cd loaded the modules. this is found in /tmp/loadedmodules
148 # ultimately, the order will only match the boot cd order if
149 # the kernel modules have the same name - which should be true for the later
150 # version boot cds because they use the same kernel version.
151 # older boot cds use a 2.4.19 kernel, and its possible some of the network
152 # module names have changed, in which case the system might not boot
153 # if the network modules are activated in a different order that the
155 log.write( "Writing /etc/modprobe.conf\n" )
157 sysinfo= systeminfo()
158 sysmods= sysinfo.get_system_modules(SYSIMG_PATH)
160 raise BootManagerException, "Unable to get list of system modules."
165 modulesconf_file= file("%s/etc/modprobe.conf" % SYSIMG_PATH, "w" )
168 if type == sysinfo.MODULE_CLASS_SCSI:
169 for a_mod in sysmods[type]:
171 modulesconf_file.write( "alias scsi_hostadapter %s\n" %
174 modulesconf_file.write( "alias scsi_hostadapter%d %s\n" %
176 scsi_count= scsi_count + 1
178 elif type == sysinfo.MODULE_CLASS_NETWORK:
179 for a_mod in sysmods[type]:
180 modulesconf_file.write( "alias eth%d %s\n" %
182 eth_count= eth_count + 1
184 modulesconf_file.close()
185 modulesconf_file= None
188 # dump the modprobe.conf file to the log (not to screen)
189 log.write( "Contents of new modprobe.conf file:\n" )
190 modulesconf_file= file("%s/etc/modprobe.conf" % SYSIMG_PATH, "r" )
191 contents= modulesconf_file.read()
192 log.write( contents + "\n" )
193 modulesconf_file.close()
194 modulesconf_file= None
195 log.write( "End contents of new modprobe.conf file.\n" )
197 log.write( "Writing system /etc/fstab\n" )
198 fstab= file( "%s/etc/fstab" % SYSIMG_PATH, "w" )
199 fstab.write( "%s none swap sw 0 0\n" % \
200 PARTITIONS["mapper-swap"] )
201 fstab.write( "%s / ext3 defaults 0 0\n" % \
202 PARTITIONS["mapper-root"] )
203 fstab.write( "%s /vservers ext3 tagxid,defaults 0 0\n" % \
204 PARTITIONS["mapper-vservers"] )
205 fstab.write( "none /proc proc defaults 0 0\n" )
206 fstab.write( "none /dev/shm tmpfs defaults 0 0\n" )
207 fstab.write( "none /dev/pts devpts defaults 0 0\n" )
208 fstab.write( "none /rcfs rcfs defaults 0 0\n" )
212 log.write( "Writing system /etc/issue\n" )
213 issue= file( "%s/etc/issue" % SYSIMG_PATH, "w" )
214 issue.write( "PlanetLab Node: \\n\n" )
215 issue.write( "Kernel \\r on an \\m\n" )
216 issue.write( "http://www.planet-lab.org\n\n" )
219 log.write( "Setting up authentication (non-ssh)\n" )
220 utils.sysexec( "chroot %s authconfig --nostart --kickstart --enablemd5 " \
221 "--enableshadow" % SYSIMG_PATH, log )
222 utils.sysexec( "sed -e 's/^root\:\:/root\:*\:/g' " \
223 "%s/etc/shadow > %s/etc/shadow.new" % \
224 (SYSIMG_PATH,SYSIMG_PATH), log )
225 utils.sysexec( "chroot %s mv " \
226 "/etc/shadow.new /etc/shadow" % SYSIMG_PATH, log )
227 utils.sysexec( "chroot %s chmod 400 /etc/shadow" % SYSIMG_PATH, log )
229 # if we are setup with dhcp, copy the current /etc/resolv.conf into
230 # the system image so we can run programs inside that need network access
233 method= vars['NETWORK_SETTINGS']['method']
238 utils.sysexec( "cp /etc/resolv.conf %s/etc/" % SYSIMG_PATH, log )
240 # the kernel rpm should have already done this, so don't fail the
241 # install if it fails
242 log.write( "Mounting /proc in system image\n" )
243 utils.sysexec_noerr( "mount -t proc proc %s/proc" % SYSIMG_PATH, log )
245 # mkinitrd references both /etc/modprobe.conf and /etc/fstab
246 # as well as /proc/lvm/global. The kernel RPM installation
247 # likely created an improper initrd since these files did not
248 # yet exist. Re-create the initrd here.
249 log.write( "Making initrd\n" )
251 # trick mkinitrd in case the current environment does not have device mapper
253 if not os.path.exists( "%s/%s" % (SYSIMG_PATH,PARTITIONS["mapper-root"]) ):
255 utils.makedirs( "%s/dev/mapper" % SYSIMG_PATH )
256 rootdev= file( "%s/%s" % (SYSIMG_PATH,PARTITIONS["mapper-root"]), "w" )
259 utils.sysexec( "chroot %s sh -c '" \
260 "kernelversion=`ls /lib/modules | tail -1` && " \
261 "rm -f /boot/initrd-$kernelversion.img && " \
262 "mkinitrd /boot/initrd-$kernelversion.img $kernelversion'" % \
265 if fake_root_lvm == 1:
266 utils.removefile( "%s/%s" % (SYSIMG_PATH,PARTITIONS["mapper-root"]) )
268 log.write( "Writing node install version\n" )
269 utils.makedirs( "%s/etc/planetlab" % SYSIMG_PATH )
270 ver= file( "%s/etc/planetlab/install_version" % SYSIMG_PATH, "w" )
271 ver.write( "%s\n" % VERSION )
274 log.write( "Creating ssh host keys\n" )
275 key_gen_prog= "/usr/bin/ssh-keygen"
277 log.write( "Generating SSH1 RSA host key:\n" )
278 key_file= "/etc/ssh/ssh_host_key"
279 utils.sysexec( "chroot %s %s -q -t rsa1 -f %s -C '' -N ''" %
280 (SYSIMG_PATH,key_gen_prog,key_file), log )
281 utils.sysexec( "chmod 600 %s/%s" % (SYSIMG_PATH,key_file), log )
282 utils.sysexec( "chmod 644 %s/%s.pub" % (SYSIMG_PATH,key_file), log )
284 log.write( "Generating SSH2 RSA host key:\n" )
285 key_file= "/etc/ssh/ssh_host_rsa_key"
286 utils.sysexec( "chroot %s %s -q -t rsa -f %s -C '' -N ''" %
287 (SYSIMG_PATH,key_gen_prog,key_file), log )
288 utils.sysexec( "chmod 600 %s/%s" % (SYSIMG_PATH,key_file), log )
289 utils.sysexec( "chmod 644 %s/%s.pub" % (SYSIMG_PATH,key_file), log )
291 log.write( "Generating SSH2 DSA host key:\n" )
292 key_file= "/etc/ssh/ssh_host_dsa_key"
293 utils.sysexec( "chroot %s %s -q -t dsa -f %s -C '' -N ''" %
294 (SYSIMG_PATH,key_gen_prog,key_file), log )
295 utils.sysexec( "chmod 600 %s/%s" % (SYSIMG_PATH,key_file), log )
296 utils.sysexec( "chmod 644 %s/%s.pub" % (SYSIMG_PATH,key_file), log )
302 def write_network_configuration( vars, log ):
304 Write out the network configuration for this machine:
306 /etc/sysconfig/network-scripts/ifcfg-eth0
307 /etc/resolv.conf (if applicable)
308 /etc/sysconfig/network
310 It is assumed the caller mounted the root partition and the vserver partition
311 starting on SYSIMG_PATH - it is not checked here.
313 The values to be used for the network settings are to be set in vars
314 in the variable 'NETWORK_SETTINGS', which is a dictionary
317 Key Used by this function
318 -----------------------------------------------
335 SYSIMG_PATH= vars["SYSIMG_PATH"]
336 if SYSIMG_PATH == "":
337 raise ValueError, "SYSIMG_PATH"
339 except KeyError, var:
340 raise BootManagerException, "Missing variable in vars: %s\n" % var
341 except ValueError, var:
342 raise BootManagerException, "Variable in vars, shouldn't be: %s\n" % var
346 network_settings= vars['NETWORK_SETTINGS']
348 raise BootManagerException, "No network settings found in vars."
351 hostname= network_settings['hostname']
352 domainname= network_settings['domainname']
353 method= network_settings['method']
354 ip= network_settings['ip']
355 gateway= network_settings['gateway']
356 network= network_settings['network']
357 netmask= network_settings['netmask']
358 dns1= network_settings['dns1']
360 raise BootManagerException, "Missing value %s in network settings." % str(e)
364 dns2= network_settings['dns2']
369 log.write( "Writing /etc/hosts\n" )
370 hosts_file= file("%s/etc/hosts" % SYSIMG_PATH, "w" )
371 hosts_file.write( "127.0.0.1 localhost\n" )
372 if method == "static":
373 hosts_file.write( "%s %s.%s\n" % (ip, hostname, domainname) )
378 log.write( "Writing /etc/sysconfig/network-scripts/ifcfg-eth0\n" )
379 eth0_file= file("%s/etc/sysconfig/network-scripts/ifcfg-eth0" %
381 eth0_file.write( "DEVICE=eth0\n" )
382 if method == "static":
383 eth0_file.write( "BOOTPROTO=static\n" )
384 eth0_file.write( "IPADDR=%s\n" % ip )
385 eth0_file.write( "NETMASK=%s\n" % netmask )
386 eth0_file.write( "GATEWAY=%s\n" % gateway )
388 eth0_file.write( "BOOTPROTO=dhcp\n" )
389 eth0_file.write( "DHCP_HOSTNAME=%s\n" % hostname )
390 eth0_file.write( "ONBOOT=yes\n" )
391 eth0_file.write( "USERCTL=no\n" )
395 if method == "static":
396 log.write( "Writing /etc/resolv.conf\n" )
397 resolv_file= file("%s/etc/resolv.conf" % SYSIMG_PATH, "w" )
399 resolv_file.write( "nameserver %s\n" % dns1 )
401 resolv_file.write( "nameserver %s\n" % dns2 )
402 resolv_file.write( "search %s\n" % domainname )
406 log.write( "Writing /etc/sysconfig/network\n" )
407 network_file= file("%s/etc/sysconfig/network" % SYSIMG_PATH, "w" )
408 network_file.write( "NETWORKING=yes\n" )
409 network_file.write( "HOSTNAME=%s.%s\n" % (hostname, domainname) )
410 if method == "static":
411 network_file.write( "GATEWAY=%s\n" % gateway )