3 # plc Manages all PLC services on this machine
7 # description: Manages all PLC services on this machine
9 # $Id: plc.init,v 1.6 2005/04/24 19:48:11 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.
40 perl -MSocket -e '($a,$b,$c,$d,@addrs) = gethostbyname($ARGV[0]); print inet_ntoa($addrs[0]) . "\n";' $1 2>/dev/null
43 # Regenerate configuration files
47 plc-config --shell >/etc/planetlab/plc_config
48 . /etc/planetlab/plc_config
50 # Generate various defaults
51 if [ -z "$PLC_DB_PASSWORD" ] ; then
52 PLC_DB_PASSWORD=$(uuidgen)
53 plc-config --category=plc_db --variable=password --value="$PLC_DB_PASSWORD" --save
56 if [ -z "$PLC_API_MAINTENANCE_PASSWORD" ] ; then
57 PLC_API_MAINTENANCE_PASSWORD=$(uuidgen)
58 plc-config --category=plc_api --variable=maintenance_password --value="$PLC_API_MAINTENANCE_PASSWORD" --save
61 if [ -z "$PLC_API_MAINTENANCE_SOURCES" ] ; then
62 for server in API BOOT WWW ; do
63 eval hostname=\${PLC_${server}_HOST}
64 ip=$(gethostbyname $hostname)
65 if [ -n "$ip" ] ; then
66 if [ -n "$PLC_API_MAINTENANCE_SOURCES" ] ; then
67 PLC_API_MAINTENANCE_SOURCES="$PLC_API_MAINTENANCE_SOURCES $ip"
69 PLC_API_MAINTENANCE_SOURCES=$ip
73 plc-config --category=plc_api --variable=maintenance_sources --value="$PLC_API_MAINTENANCE_SOURCES" --save
77 mkdir -p /etc/planetlab/php
78 plc-config --php >/etc/planetlab/php/plc_config.php
79 plc-config --shell >/etc/planetlab/plc_config
81 # For backward compatibility, until we can convert all code to use
82 # the now standardized variable names.
84 # DB constants are all named the same
85 ln -sf plc_config /etc/planetlab/plc_db
88 cat >/etc/planetlab/plc_api <<EOF
89 PL_API_SERVER='$PLC_API_HOST'
90 PL_API_PATH='$PLC_API_PATH'
91 PL_API_PORT=$PLC_API_SSL_PORT
92 PL_API_CAPABILITY_AUTH_METHOD='capability'
93 PL_API_CAPABILITY_PASS='$PLC_API_MAINTENANCE_PASSWORD'
94 PL_API_CAPABILITY_USERNAME='$PLC_API_MAINTENANCE_USER'
95 PL_API_TICKET_KEY_FILE='$PLC_API_TICKET_KEY'
96 PLANETLAB_SUPPORT_EMAIL='$PLC_MAIL_SUPPORT_ADDRESS'
97 BOOT_MESSAGES_EMAIL='$PLC_MAIL_BOOT_ADDRESS'
98 WWW_BASE='$PLC_WWW_HOST'
99 BOOT_BASE='$PLC_BOOT_HOST'
104 # ip:max_role_id:organization_id:password
106 # It is unlikely that we will let federated sites use the
107 # maintenance account to access each others' APIs, so we always
108 # set organization_id to -1.
110 echo -n "PL_API_CAPABILITY_SOURCES='"
112 for ip in $PLC_API_MAINTENANCE_SOURCES ; do
113 if [ $first -ne 1 ] ; then
117 echo -n "$ip:-1:-1:$PLC_API_MAINTENANCE_PASSWORD"
120 ) >>/etc/planetlab/plc_api
122 cat >/etc/planetlab/php/site_constants.php <<"EOF"
124 include('plc_config.php');
126 DEFINE('PL_API_SERVER', PLC_API_HOST);
127 DEFINE('PL_API_PATH', PLC_API_PATH);
128 DEFINE('PL_API_PORT', PLC_API_SSL_PORT);
129 DEFINE('PL_API_CAPABILITY_AUTH_METHOD', 'capability');
130 DEFINE('PL_API_CAPABILITY_PASS', PLC_API_MAINTENANCE_PASSWORD);
131 DEFINE('PL_API_CAPABILITY_USERNAME', PLC_API_MAINTENANCE_USER);
132 DEFINE('WWW_BASE', PLC_WWW_HOST);
133 DEFINE('BOOT_BASE', PLC_BOOT_HOST);
134 DEFINE('DEBUG', PLC_WWW_DEBUG);
135 DEFINE('API_CALL_DEBUG', PLC_API_DEBUG);
136 DEFINE('SENDMAIL', PLC_MAIL_ENABLED);
137 DEFINE('PLANETLAB_SUPPORT_EMAIL', PLC_NAME . 'Support <' . PLC_MAIL_SUPPORT_ADDRESS . '>');
138 DEFINE('PLANETLAB_SUPPORT_EMAIL_ONLY', PLC_MAIL_SUPPORT_ADDRESS);
149 echo "127.0.0.1 localhost.localdomain localhost"
150 for server in API BOOT WWW ; do
151 eval hostname=\${PLC_${server}_HOST}
152 ip=$(gethostbyname $hostname)
153 if [ -n "$ip" ] ; then
161 [ -n "$PLC_NET_DNS1" ] && echo "nameserver $PLC_NET_DNS1"
162 [ -n "$PLC_NET_DNS2" ] && echo "nameserver $PLC_NET_DNS2"
177 PGDATA=/var/lib/pgsql/data
178 postgresql_conf=$PGDATA/postgresql.conf
179 pghba_conf=$PGDATA/pg_hba.conf
183 if [ "$PLC_DB_ENABLED" != "1" ] ; then
187 # Set data directory and redirect startup output to /var/log/pgsql
188 mkdir -p /etc/sysconfig/pgsql
190 echo "PGDATA=$PGDATA"
191 echo "PGLOG=/var/log/pgsql"
192 ) >>/etc/sysconfig/pgsql/postgresql
194 # PostgreSQL must be started at least once to bootstrap
195 # /var/lib/pgsql/data
196 if [ ! -f $postgresql_conf ] ; then
197 service postgresql start
198 service postgresql stop
201 # Enable DB server. PostgreSQL >=8.0 defines listen_addresses,
202 # PostgreSQL 7.x uses tcpip_socket.
203 if grep -q listen_addresses $postgresql_conf ; then
204 sed -i -e '/^listen_addresses/d' $postgresql_conf
205 echo "listen_addresses = '*'" >>$postgresql_conf
206 elif grep -q tcpip_socket $postgresql_conf ; then
207 sed -i -e '/^tcpip_socket/d' $postgresql_conf
208 echo "tcpip_socket = true" >>$postgresql_conf
211 # Disable access to all DBs from all hosts
212 sed -i -e '/^\(host\|local\)/d' $pghba_conf
214 # Enable passwordless localhost access
215 echo "local all all trust" >>$pghba_conf
217 # Enable access from the API and web servers
218 PLC_API_IP=$(gethostbyname $PLC_API_HOST)
219 PLC_WWW_IP=$(gethostbyname $PLC_WWW_HOST)
221 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_API_IP/32 password"
222 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_WWW_IP/32 password"
225 # Fix ownership (sed -i changes it)
226 chown postgres:postgres $postgresql_conf $pghba_conf
228 # Start up the server
229 service postgresql start
232 # Create/update the unprivileged database user and password
233 if ! psql -U $PLC_DB_USER -c "" template1 >/dev/null 2>&1 ; then
234 psql -U postgres -c "CREATE USER $PLC_DB_USER PASSWORD '$PLC_DB_PASSWORD'" template1
236 psql -U postgres -c "ALTER USER $PLC_DB_USER WITH PASSWORD '$PLC_DB_PASSWORD'" template1
239 # Create the database if necessary
240 if ! psql -U $PLC_DB_USER -c "" $PLC_DB_NAME >/dev/null 2>&1 ; then
241 createdb -U postgres $PLC_DB_NAME
242 psql -U $PLC_DB_USER -f /usr/share/pl_db/plc_schema_3.sql $PLC_DB_NAME
247 # Drop the current user in case the username changes
248 psql -U postgres -c "DROP USER $PLC_DB_USER" template1
250 # WARNING: If the DB name changes, the old DB will be left
251 # intact and a new one will be created. If it changes
252 # back, the old DB will not be re-created.
254 # Shut down the server
255 service postgresql stop
266 # Generate GPG keyrings
267 if [ ! -f $PLC_ROOT_GPG_KEY_PUB -o ! -f $PLC_ROOT_GPG_KEY ] ; then
268 mkdir -p $(dirname $PLC_ROOT_GPG_KEY_PUB)
269 mkdir -p $(dirname $PLC_ROOT_GPG_KEY)
271 # Temporarily replace /dev/random with /dev/urandom to
272 # avoid running out of entropy.
274 mknod /dev/random c 1 9
275 gpg --homedir=/root --batch --gen-key <<EOF
280 Name-Real: $PLC_NAME Central
281 Name-Comment: http://$PLC_WWW_HOST/
282 Name-Email: $PLC_MAIL_SUPPORT_ADDRESS
284 %pubring $PLC_ROOT_GPG_KEY_PUB
285 %secring $PLC_ROOT_GPG_KEY
290 mknod /dev/random c 1 8
291 chmod 600 $PLC_ROOT_GPG_KEY_PUB $PLC_ROOT_GPG_KEY
299 mkdir -p $(dirname $2)
304 # Generate SSL certificates
309 # Generate a self-signed SSL certificate. These nice
310 # commands came from the mod_ssl spec file for Fedora Core
311 # 2. We generate only a single certificate for the web
312 # server, then make copies for the API and boot
313 # servers. As always, these certificates may be overridden
316 # Generate SSL private key
317 if [ ! -f $PLC_WWW_SSL_KEY ] ; then
318 mkdir -p $(dirname $PLC_WWW_SSL_KEY)
319 openssl genrsa -rand /proc/apm:/proc/cpuinfo:/proc/dma:/proc/filesystems:/proc/interrupts:/proc/ioports:/proc/pci:/proc/rtc:/proc/uptime 1024 >$PLC_WWW_SSL_KEY
320 RETVAL=$(($RETVAL+$?))
321 chmod 600 $PLC_WWW_SSL_KEY
324 # Generate self-signed certificate
325 if [ ! -f $PLC_WWW_SSL_CRT ] ; then
326 mkdir -p $(dirname $PLC_WWW_SSL_CRT)
327 openssl req -new -x509 -days 365 -set_serial $RANDOM \
328 -key $PLC_WWW_SSL_KEY -out $PLC_WWW_SSL_CRT <<EOF
335 $PLC_MAIL_SUPPORT_ADDRESS
337 RETVAL=$(($RETVAL+$?))
338 chmod 644 $PLC_WWW_SSL_CRT
341 # Make copies for the API and boot servers
342 if [ ! -f $PLC_API_SSL_KEY ] ; then
343 cp -a $PLC_WWW_SSL_KEY $PLC_API_SSL_KEY
345 if [ ! -f $PLC_API_SSL_CRT ] ; then
346 cp -a $PLC_WWW_SSL_CRT $PLC_API_SSL_CRT
348 if [ ! -f $PLC_API_SSL_KEY ] ; then
349 cp -a $PLC_WWW_SSL_KEY $PLC_API_SSL_KEY
351 if [ ! -f $PLC_API_SSL_CRT ] ; then
352 cp -a $PLC_WWW_SSL_CRT $PLC_API_SSL_CRT
355 # Install into both /etc/pki (Fedora Core 4) and
356 # /etc/httpd/conf (Fedora Core 2). If the API, boot, and
357 # web servers are all running on the same machine, the web
358 # server certificate takes precedence.
359 for server in API BOOT WWW ; do
360 eval enabled=\${PLC_${server}_ENABLED}
361 if [ "$enabled" != "1" ] ; then
364 eval ssl_crt=\${PLC_${server}_SSL_CRT}
365 eval ssl_key=\${PLC_${server}_SSL_KEY}
367 symlink $ssl_crt /etc/pki/tls/certs/localhost.crt
368 symlink $ssl_key /etc/pki/tls/private/localhost.key
369 symlink $ssl_crt /etc/httpd/conf/ssl.crt/server.crt
370 symlink $ssl_key /etc/httpd/conf/ssl.key/server.key
379 # XXX Could make these configurable
387 tmp=$(mktemp -d /tmp/ssh.XXXXXX)
389 # Generate root SSH key
390 if [ ! -f $PLC_ROOT_SSH_KEY_PUB -o ! -f $PLC_ROOT_SSH_KEY ] ; then
391 ssh-keygen -N "" -C "$PLC_NAME Central <$PLC_MAIL_SUPPORT_ADDRESS>" \
392 -b $KEY_LEN_ROOT -t $KEY_TYPE_ROOT -f $tmp/root
393 RETVAL=$(($RETVAL+$?))
394 install -D -m 600 $tmp/root $PLC_ROOT_SSH_KEY
395 install -D -m 600 $tmp/root.pub $PLC_ROOT_SSH_KEY_PUB
398 # Generate debug SSH key
399 if [ ! -f $PLC_DEBUG_SSH_KEY_PUB -o ! -f $PLC_DEBUG_SSH_KEY ] ; then
400 ssh-keygen -N "" -C "$PLC_NAME Central <$PLC_MAIL_SUPPORT_ADDRESS>" \
401 -b $KEY_LEN_DEBUG -t $KEY_TYPE_DEBUG -f $tmp/debug
402 RETVAL=$(($RETVAL+$?))
403 install -D -m 600 $tmp/debug $PLC_DEBUG_SSH_KEY
404 install -D -m 600 $tmp/debug.pub $PLC_DEBUG_SSH_KEY_PUB
412 # Configure Apache web server
416 DocumentRoot=/var/www/html
418 httpd_conf=/etc/httpd/conf/httpd.conf
419 ssl_conf=/etc/httpd/conf.d/ssl.conf
420 plc_conf=/etc/httpd/conf.d/plc.conf
424 if [ "$PLC_API_ENABLED" != "1" -a \
425 "$PLC_BOOT_ENABLED" != "1" -a \
426 "$PLC_WWW_ENABLED" != "1" ] ; then
430 # Set the default include path
431 include_path=".:$DocumentRoot/includes:$DocumentRoot/generated:/etc/planetlab/php"
432 sed -i -e "s@;include_path = \"\.:.*\"@include_path = \"$include_path\"@" $php_ini
434 # Set the port numbers. If the API, boot, and web servers
435 # are all running on the same machine, the web server port
436 # numbers take precedence.
437 for server in API BOOT WWW ; do
438 eval enabled=\${PLC_${server}_ENABLED}
439 if [ "$enabled" != "1" ] ; then
442 eval http_port=\${PLC_${server}_PORT}
443 eval https_port=\${PLC_${server}_SSL_PORT}
445 if [ -n "$http_port" ] ; then
446 sed -i -e "s/^Listen .*/Listen $http_port/" $httpd_conf
448 if [ -n "$https_port" ] ; then
449 sed -i -e "s/^Listen .*/Listen $https_port/" $ssl_conf
453 # Set custom Apache directives
455 if [ "$PLC_API_ENABLED" = "1" ] ; then
457 <Location $PLC_API_PATH>
458 SetHandler python-program
459 PythonPath "sys.path + ['/usr/share/plc_api']"
460 PythonHandler mod_pythonXMLRPC
466 <VirtualHost $PLC_WWW_HOST:$PLC_WWW_PORT>
467 Redirect /db https://$PLC_WWW_HOST:$PLC_WWW_SSL_PORT/db
472 # Make alpina-logs directory writable for bootmanager log upload
473 chown apache:apache $DocumentRoot/alpina-logs/nodes
490 if [ "$PLC_API_ENABLED" -ne 1 ] ; then
494 # Update the maintenance account username. This can't be
495 # done through the api-config script since it uses the
496 # maintenance account to access the API. The maintenance
497 # account should be person_id 1 since it is created by the
499 psql -U $PLC_DB_USER -c "UPDATE persons SET email='$PLC_API_MAINTENANCE_USER' WHERE person_id=1" $PLC_DB_NAME
512 cat >/etc/cron.d/plc.cron <<EOF
514 PATH=/sbin:/bin:/usr/sbin:/usr/bin
515 MAILTO=$PLC_MAIL_SUPPORT_ADDRESS
518 # minute hour day-of-month month day-of-week user command
519 */5 * * * * root gen-slices-xml-05.py
520 */15 * * * * root gen-sites-xml.py
521 */15 * * * * root gen-static-content.py
524 # Run them once at startup
527 gen-static-content.py
542 echo "Usage: $0 [OPTION]... [COMMAND]"
543 echo " -v Be verbose"
544 echo " -h This message"
547 echo " start Start all PLC subsystems"
548 echo " stop Stop all PLC subsystems"
549 echo " reload Regenerate configuration files"
550 echo " restart Restart all PLC subsystems"
555 while getopts "vh" opt ; do
567 shift $(($OPTIND - 1))
568 if [ -z "$1" ] ; then
574 if [ $verbose -eq 0 ] ; then
579 # Generate and load configuration
581 . /etc/planetlab/plc_config
587 for step in "${steps[@]}" ; do
588 echo -n $"PLC: Starting $step: " >&3
591 if [ $RETVAL -eq 0 ] ; then
592 success $"PLC: $step startup" >&3
594 failure $"PLC: $step startup" >&3
602 for i in $(seq 1 $nsteps) ; do
603 step=${steps[$(($nsteps - $i))]}
604 echo -n $"PLC: Shutting down $step: " >&3
607 if [ $RETVAL -eq 0 ] ; then
608 success $"PLC: $step shutdown" >&3
610 failure $"PLC: $step shutdown" >&3