3 # plc Manages all PLC services on this machine
7 # description: Manages all PLC services on this machine
9 # $Id: guest.init,v 1.5 2006/03/29 00:01:35 mlhuang Exp $
12 PATH=/sbin:/bin:/usr/bin:/usr/sbin
14 # Source function library.
15 . /etc/init.d/functions
20 # Keep in order! All steps should be idempotent. This means that you
21 # should be able to run them multiple times without depending on
22 # anything previously being run. The idea is that when the
23 # configuration changes, "service plc restart" is called, all
24 # dependencies are fixed up, and everything just works.
38 # Total number of errors
41 # Count the exit status of the last command
44 ERRORS=$(($ERRORS+$?))
47 # Return IP address of hostname if resolvable
50 perl -MSocket -e '($a,$b,$c,$d,@addrs) = gethostbyname($ARGV[0]); print inet_ntoa($addrs[0]) . "\n";' $1 2>/dev/null
53 # Regenerate configuration files
57 plc-config --shell >/etc/planetlab/plc_config
58 . /etc/planetlab/plc_config
60 # Generate various defaults
61 if [ -z "$PLC_DB_PASSWORD" ] ; then
62 PLC_DB_PASSWORD=$(uuidgen)
63 plc-config --category=plc_db --variable=password --value="$PLC_DB_PASSWORD" --save
66 if [ -z "$PLC_API_MAINTENANCE_PASSWORD" ] ; then
67 PLC_API_MAINTENANCE_PASSWORD=$(uuidgen)
68 plc-config --category=plc_api --variable=maintenance_password --value="$PLC_API_MAINTENANCE_PASSWORD" --save
71 if [ -z "$PLC_API_MAINTENANCE_SOURCES" ] ; then
72 # Need to configure network before resolving hostnames
74 for server in API BOOT WWW ; do
75 eval hostname=\${PLC_${server}_HOST}
76 ip=$(gethostbyname $hostname)
77 if [ -n "$ip" ] ; then
78 if [ -n "$PLC_API_MAINTENANCE_SOURCES" ] ; then
79 PLC_API_MAINTENANCE_SOURCES="$PLC_API_MAINTENANCE_SOURCES $ip"
81 PLC_API_MAINTENANCE_SOURCES=$ip
85 plc-config --category=plc_api --variable=maintenance_sources --value="$PLC_API_MAINTENANCE_SOURCES" --save
89 mkdir -p /etc/planetlab/php
90 plc-config --php >/etc/planetlab/php/plc_config.php
91 plc-config --shell >/etc/planetlab/plc_config
93 # For backward compatibility, until we can convert all code to use
94 # the now standardized variable names.
96 # DB constants are all named the same
97 ln -sf plc_config /etc/planetlab/plc_db
100 cat >/etc/planetlab/plc_api <<EOF
101 PL_API_SERVER='$PLC_API_HOST'
102 PL_API_PATH='$PLC_API_PATH'
103 PL_API_PORT=$PLC_API_PORT
104 PL_API_CAPABILITY_AUTH_METHOD='capability'
105 PL_API_CAPABILITY_PASS='$PLC_API_MAINTENANCE_PASSWORD'
106 PL_API_CAPABILITY_USERNAME='$PLC_API_MAINTENANCE_USER'
107 PL_API_TICKET_KEY_FILE='$PLC_API_SSL_KEY'
108 PLANETLAB_SUPPORT_EMAIL='$PLC_MAIL_SUPPORT_ADDRESS'
109 BOOT_MESSAGES_EMAIL='$PLC_MAIL_BOOT_ADDRESS'
110 WWW_BASE='$PLC_WWW_HOST'
111 BOOT_BASE='$PLC_BOOT_HOST'
116 # ip:max_role_id:organization_id:password
118 # It is unlikely that we will let federated sites use the
119 # maintenance account to access each others' APIs, so we always
120 # set organization_id to -1.
122 echo -n "PL_API_CAPABILITY_SOURCES='"
124 for ip in $PLC_API_MAINTENANCE_SOURCES ; do
125 if [ $first -ne 1 ] ; then
129 echo -n "$ip:-1:-1:$PLC_API_MAINTENANCE_PASSWORD"
132 ) >>/etc/planetlab/plc_api
134 cat >/etc/planetlab/php/site_constants.php <<"EOF"
136 include('plc_config.php');
138 DEFINE('PL_API_SERVER', PLC_API_HOST);
139 DEFINE('PL_API_PATH', PLC_API_PATH);
140 DEFINE('PL_API_PORT', PLC_API_PORT);
141 DEFINE('PL_API_CAPABILITY_AUTH_METHOD', 'capability');
142 DEFINE('PL_API_CAPABILITY_PASS', PLC_API_MAINTENANCE_PASSWORD);
143 DEFINE('PL_API_CAPABILITY_USERNAME', PLC_API_MAINTENANCE_USER);
144 DEFINE('WWW_BASE', PLC_WWW_HOST);
145 DEFINE('BOOT_BASE', PLC_BOOT_HOST);
146 DEFINE('DEBUG', PLC_WWW_DEBUG);
147 DEFINE('API_CALL_DEBUG', PLC_API_DEBUG);
148 DEFINE('SENDMAIL', PLC_MAIL_ENABLED);
149 DEFINE('PLANETLAB_SUPPORT_EMAIL', PLC_NAME . 'Support <' . PLC_MAIL_SUPPORT_ADDRESS . '>');
150 DEFINE('PLANETLAB_SUPPORT_EMAIL_ONLY', PLC_MAIL_SUPPORT_ADDRESS);
160 echo "127.0.0.1 localhost.localdomain localhost" >/etc/hosts
162 for server in API BOOT WWW ; do
163 eval hostname=\${PLC_${server}_HOST}
164 ip=$(gethostbyname $hostname)
165 if [ -n "$ip" ] ; then
173 [ -n "$PLC_NET_DNS1" ] && echo "nameserver $PLC_NET_DNS1"
174 [ -n "$PLC_NET_DNS2" ] && echo "nameserver $PLC_NET_DNS2"
189 PGDATA=/var/lib/pgsql/data
190 postgresql_conf=$PGDATA/postgresql.conf
191 pghba_conf=$PGDATA/pg_hba.conf
195 if [ "$PLC_DB_ENABLED" != "1" ] ; then
199 # Set data directory and redirect startup output to /var/log/pgsql
200 mkdir -p /etc/sysconfig/pgsql
202 echo "PGDATA=$PGDATA"
203 echo "PGLOG=/var/log/pgsql"
204 ) >>/etc/sysconfig/pgsql/postgresql
206 # Fix ownership (rpm installation may have changed it)
207 chown -R -H postgres:postgres $(dirname $PGDATA)
209 # PostgreSQL must be started at least once to bootstrap
210 # /var/lib/pgsql/data
211 if [ ! -f $postgresql_conf ] ; then
212 service postgresql start
213 service postgresql stop
216 # Enable DB server. PostgreSQL >=8.0 defines listen_addresses,
217 # PostgreSQL 7.x uses tcpip_socket.
218 if grep -q listen_addresses $postgresql_conf ; then
219 sed -i -e '/^listen_addresses/d' $postgresql_conf
220 echo "listen_addresses = '*'" >>$postgresql_conf
221 elif grep -q tcpip_socket $postgresql_conf ; then
222 sed -i -e '/^tcpip_socket/d' $postgresql_conf
223 echo "tcpip_socket = true" >>$postgresql_conf
226 # Disable access to all DBs from all hosts
227 sed -i -e '/^\(host\|local\)/d' $pghba_conf
229 # Enable passwordless localhost access
230 echo "local all all trust" >>$pghba_conf
232 # Enable access from the API and web servers
233 PLC_API_IP=$(gethostbyname $PLC_API_HOST)
234 PLC_WWW_IP=$(gethostbyname $PLC_WWW_HOST)
236 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_API_IP/32 password"
237 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_WWW_IP/32 password"
240 # Fix ownership (sed -i changes it)
241 chown postgres:postgres $postgresql_conf $pghba_conf
243 # Start up the server
244 service postgresql start
245 # /etc/init.d/postgresql always returns 0, even on failure
249 # Create/update the unprivileged database user and password
250 if ! psql -U $PLC_DB_USER -c "" template1 >/dev/null 2>&1 ; then
251 psql -U postgres -c "CREATE USER $PLC_DB_USER PASSWORD '$PLC_DB_PASSWORD'" template1
253 psql -U postgres -c "ALTER USER $PLC_DB_USER WITH PASSWORD '$PLC_DB_PASSWORD'" template1
256 # Create the database if necessary
257 if ! psql -U $PLC_DB_USER -c "" $PLC_DB_NAME >/dev/null 2>&1 ; then
258 createdb -U postgres $PLC_DB_NAME
259 psql -U $PLC_DB_USER -f /usr/share/pl_db/plc_schema_3.sql $PLC_DB_NAME
264 # Drop the current user in case the username changes
265 psql -U postgres -c "DROP USER $PLC_DB_USER" template1
267 # WARNING: If the DB name changes, the old DB will be left
268 # intact and a new one will be created. If it changes
269 # back, the old DB will not be re-created.
271 # Shut down the server
272 service postgresql stop
283 # Generate GPG keyrings
284 if [ ! -f $PLC_ROOT_GPG_KEY_PUB -o ! -f $PLC_ROOT_GPG_KEY ] ; then
285 mkdir -p $(dirname $PLC_ROOT_GPG_KEY_PUB)
286 mkdir -p $(dirname $PLC_ROOT_GPG_KEY)
288 # Temporarily replace /dev/random with /dev/urandom to
289 # avoid running out of entropy.
291 mknod /dev/random c 1 9
292 gpg --homedir=/root --batch --gen-key <<EOF
297 Name-Real: $PLC_NAME Central
298 Name-Comment: http://$PLC_WWW_HOST/
299 Name-Email: $PLC_MAIL_SUPPORT_ADDRESS
301 %pubring $PLC_ROOT_GPG_KEY_PUB
302 %secring $PLC_ROOT_GPG_KEY
307 mknod /dev/random c 1 8
308 chmod 600 $PLC_ROOT_GPG_KEY_PUB $PLC_ROOT_GPG_KEY
316 mkdir -p $(dirname $2)
321 # Generate SSL certificates
326 # Generate a self-signed SSL certificate. These nice
327 # commands came from the mod_ssl spec file for Fedora Core
328 # 2. We generate only a single certificate for the web
329 # server, then make copies for the API and boot
330 # servers. As always, these certificates may be overridden
333 # Generate SSL private key
334 if [ ! -f $PLC_WWW_SSL_KEY ] ; then
335 mkdir -p $(dirname $PLC_WWW_SSL_KEY)
336 openssl genrsa -rand /proc/apm:/proc/cpuinfo:/proc/dma:/proc/filesystems:/proc/interrupts:/proc/ioports:/proc/pci:/proc/rtc:/proc/uptime 1024 >$PLC_WWW_SSL_KEY
338 chmod 600 $PLC_WWW_SSL_KEY
341 # Generate self-signed certificate
342 if [ ! -f $PLC_WWW_SSL_CRT ] ; then
343 mkdir -p $(dirname $PLC_WWW_SSL_CRT)
344 openssl req -new -x509 -days 365 -set_serial $RANDOM \
345 -key $PLC_WWW_SSL_KEY -out $PLC_WWW_SSL_CRT <<EOF
352 $PLC_MAIL_SUPPORT_ADDRESS
355 chmod 644 $PLC_WWW_SSL_CRT
358 # Make copies for the API and boot servers
359 if [ ! -f $PLC_API_SSL_KEY ] ; then
360 cp -a $PLC_WWW_SSL_KEY $PLC_API_SSL_KEY
362 if [ ! -f $PLC_API_SSL_KEY_PUB ] ; then
363 openssl rsa -pubout <$PLC_API_SSL_KEY >$PLC_API_SSL_KEY_PUB
366 if [ ! -f $PLC_API_SSL_CRT ] ; then
367 cp -a $PLC_WWW_SSL_CRT $PLC_API_SSL_CRT
369 if [ ! -f $PLC_API_SSL_KEY ] ; then
370 cp -a $PLC_WWW_SSL_KEY $PLC_API_SSL_KEY
372 if [ ! -f $PLC_API_SSL_CRT ] ; then
373 cp -a $PLC_WWW_SSL_CRT $PLC_API_SSL_CRT
376 # Install into both /etc/pki (Fedora Core 4) and
377 # /etc/httpd/conf (Fedora Core 2). If the API, boot, and
378 # web servers are all running on the same machine, the web
379 # server certificate takes precedence.
380 for server in API BOOT WWW ; do
381 eval enabled=\${PLC_${server}_ENABLED}
382 if [ "$enabled" != "1" ] ; then
385 eval ssl_crt=\${PLC_${server}_SSL_CRT}
386 eval ssl_key=\${PLC_${server}_SSL_KEY}
388 symlink $ssl_crt /etc/pki/tls/certs/localhost.crt
389 symlink $ssl_key /etc/pki/tls/private/localhost.key
390 symlink $ssl_crt /etc/httpd/conf/ssl.crt/server.crt
391 symlink $ssl_key /etc/httpd/conf/ssl.key/server.key
400 # XXX Could make these configurable
408 tmp=$(mktemp -d /tmp/ssh.XXXXXX)
410 # Generate root SSH key
411 if [ ! -f $PLC_ROOT_SSH_KEY_PUB -o ! -f $PLC_ROOT_SSH_KEY ] ; then
412 ssh-keygen -N "" -C "$PLC_NAME Central <$PLC_MAIL_SUPPORT_ADDRESS>" \
413 -b $KEY_LEN_ROOT -t $KEY_TYPE_ROOT -f $tmp/root
415 install -D -m 600 $tmp/root $PLC_ROOT_SSH_KEY
416 install -D -m 600 $tmp/root.pub $PLC_ROOT_SSH_KEY_PUB
419 # Generate debug SSH key
420 if [ ! -f $PLC_DEBUG_SSH_KEY_PUB -o ! -f $PLC_DEBUG_SSH_KEY ] ; then
421 ssh-keygen -N "" -C "$PLC_NAME Central <$PLC_MAIL_SUPPORT_ADDRESS>" \
422 -b $KEY_LEN_DEBUG -t $KEY_TYPE_DEBUG -f $tmp/debug
424 install -D -m 600 $tmp/debug $PLC_DEBUG_SSH_KEY
425 install -D -m 600 $tmp/debug.pub $PLC_DEBUG_SSH_KEY_PUB
433 # Configure Apache web server
437 DocumentRoot=/var/www/html
439 httpd_conf=/etc/httpd/conf/httpd.conf
440 ssl_conf=/etc/httpd/conf.d/ssl.conf
441 plc_conf=/etc/httpd/conf.d/plc.conf
445 if [ "$PLC_API_ENABLED" != "1" -a \
446 "$PLC_BOOT_ENABLED" != "1" -a \
447 "$PLC_WWW_ENABLED" != "1" ] ; then
451 # Set the default include path
452 include_path=".:$DocumentRoot/includes:$DocumentRoot/generated:/etc/planetlab/php"
453 sed -i -e "s@;include_path = \"\.:.*\"@include_path = \"$include_path\"@" $php_ini
455 # Set the port numbers. If the API, boot, and web servers
456 # are all running on the same machine, the web server port
457 # numbers take precedence.
458 for server in API BOOT WWW ; do
459 eval enabled=\${PLC_${server}_ENABLED}
460 if [ "$enabled" != "1" ] ; then
463 eval http_port=\${PLC_${server}_PORT}
464 eval https_port=\${PLC_${server}_SSL_PORT}
466 if [ -n "$http_port" ] ; then
467 sed -i -e "s/^Listen .*/Listen $http_port/" $httpd_conf
469 if [ -n "$https_port" ] ; then
471 -e "s/^Listen .*/Listen $https_port/" \
472 -e "s/<VirtualHost _default_:.*>/<VirtualHost _default_:$https_port>/" \
477 # Set custom Apache directives
479 if [ "$PLC_API_ENABLED" = "1" ] ; then
481 <Location $PLC_API_PATH>
482 SetHandler python-program
483 PythonPath "sys.path + ['/usr/share/plc_api']"
484 PythonHandler mod_pythonXMLRPC
490 <VirtualHost $PLC_WWW_HOST:$PLC_WWW_PORT>
491 Redirect /db https://$PLC_WWW_HOST:$PLC_WWW_SSL_PORT/db
496 # Make alpina-logs directory writable for bootmanager log upload
497 chown apache:apache $DocumentRoot/alpina-logs/nodes
514 if [ "$PLC_API_ENABLED" != "1" ] ; then
518 # Update the maintenance account username. This can't be
519 # done through the api-config script since it uses the
520 # maintenance account to access the API. The maintenance
521 # account should be person_id 1 since it is created by the
523 psql -U $PLC_DB_USER -c "UPDATE persons SET email='$PLC_API_MAINTENANCE_USER' WHERE person_id=1" $PLC_DB_NAME
536 if [ "$PLC_MAIL_ENABLED" = "1" ] ; then
537 MAILTO=$PLC_MAIL_SUPPORT_ADDRESS
541 cat >/etc/cron.d/plc.cron <<EOF
543 PATH=/sbin:/bin:/usr/sbin:/usr/bin
547 # minute hour day-of-month month day-of-week user command
548 */5 * * * * root gen-slices-xml-05.py
549 */15 * * * * root gen-sites-xml.py
550 */15 * * * * root gen-static-content.py
553 # Run them once at startup
558 gen-static-content.py
574 echo "Usage: $0 [OPTION]... [COMMAND]"
575 echo " -v Be verbose"
576 echo " -h This message"
579 echo " start Start all PLC subsystems"
580 echo " stop Stop all PLC subsystems"
581 echo " reload Regenerate configuration files"
582 echo " restart Restart all PLC subsystems"
587 while getopts "vh" opt ; do
599 shift $(($OPTIND - 1))
600 if [ -z "$1" ] ; then
606 if [ $verbose -eq 0 ] ; then
607 exec 1>>/var/log/boot.log
608 exec 2>>/var/log/boot.log
611 # Generate and load configuration
613 . /etc/planetlab/plc_config
619 for step in "${steps[@]}" ; do
620 echo -n $"PLC: Starting $step: " >&3
623 if [ $RETVAL -eq $ERRORS ] ; then
624 success $"PLC: $step startup" >&3
626 failure $"PLC: $step startup" >&3
634 for i in $(seq 1 $nsteps) ; do
635 step=${steps[$(($nsteps - $i))]}
636 echo -n $"PLC: Shutting down $step: " >&3
639 if [ $RETVAL -eq $ERRORS ] ; then
640 success $"PLC: $step shutdown" >&3
642 failure $"PLC: $step shutdown" >&3