5 # Manage the PostgreSQL database server
7 # Mark Huang <mlhuang@cs.princeton.edu>
8 # Copyright (C) 2006 The Trustees of Princeton University
10 # $Id: postgresql 635 2007-07-05 11:08:14Z thierry $
13 # Source function library and configuration
14 . /etc/plc.d/functions
15 . /etc/planetlab/plc_config
16 local_config=/etc/planetlab/configs/site.xml
22 PGDATA=/var/lib/pgsql/data
23 postgresql_conf=$PGDATA/postgresql.conf
24 pghba_conf=$PGDATA/pg_hba.conf
26 # Export so that we do not have to specify -p to psql invocations
27 export PGPORT=$PLC_DB_PORT
29 # /etc/init.d/postgresql always returns 0, even on failure
32 # start() always returns 0
33 (exec 3>&- 4>&- ; service postgresql start)
35 # status() will still return 0 even while still initializing
36 if status postmaster && [ -f /var/lock/subsys/postgresql ] ; then
37 # The only way we can be sure is if we can access it
38 for i in $(seq 1 10) ; do
39 # Must do this as the postgres user initially (before we
40 # fix pg_hba.conf to passwordless localhost access).
41 su -c 'psql -U postgres -c "" template1' postgres && return 0
51 if [ "$PLC_DB_ENABLED" != "1" ] ; then
55 MESSAGE=$"Starting database server"
58 # Set data directory and redirect startup output to /var/log/pgsql
59 mkdir -p /etc/sysconfig/pgsql
62 echo "PGLOG=/var/log/pgsql"
63 echo "PGPORT=$PLC_DB_PORT"
64 ) >>/etc/sysconfig/pgsql/postgresql
66 # Fix ownership (rpm installation may have changed it)
67 chown -R -H postgres:postgres $(dirname $PGDATA)
69 # PostgreSQL must be started at least once to bootstrap
71 if [ ! -f $postgresql_conf ] ; then
74 service postgresql stop
78 # Enable DB server. PostgreSQL >=8.0 defines listen_addresses,
79 # PostgreSQL 7.x uses tcpip_socket.
80 if grep -q listen_addresses $postgresql_conf ; then
81 sed -i -e '/^listen_addresses/d' $postgresql_conf
82 echo "listen_addresses = '*'" >>$postgresql_conf
83 elif grep -q tcpip_socket $postgresql_conf ; then
84 sed -i -e '/^tcpip_socket/d' $postgresql_conf
85 echo "tcpip_socket = true" >>$postgresql_conf
88 # Disable access to all DBs from all hosts
89 sed -i -e '/^\(host\|local\)/d' $pghba_conf
91 # Enable passwordless localhost access
92 echo "local all all trust" >>$pghba_conf
94 # Enable access from the API, boot, and web servers
95 PLC_API_IP=$(gethostbyname $PLC_API_HOST)
96 PLC_BOOT_IP=$(gethostbyname $PLC_BOOT_HOST)
97 PLC_WWW_IP=$(gethostbyname $PLC_WWW_HOST)
99 echo "host $PLC_DB_NAME $PLC_DB_USER 127.0.0.1/32 password"
100 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_API_IP/32 password"
101 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_BOOT_IP/32 password"
102 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_WWW_IP/32 password"
103 # Drupal also uses PostgreSQL
104 echo "host drupal $PLC_DB_USER 127.0.0.1/32 password"
105 echo "host drupal $PLC_DB_USER $PLC_WWW_IP/32 password"
108 # Append site-specific access rules
109 for file in $pghba_conf.d/*.conf ; do
110 cat "$file" >>$pghba_conf
113 # Fix ownership (sed -i changes it)
114 chown postgres:postgres $postgresql_conf $pghba_conf
116 # Start up the server
120 # Create/update the unprivileged database user and password
121 if [ -z "$PLC_DB_PASSWORD" ] ; then
122 PLC_DB_PASSWORD=$(uuidgen)
123 plc-config --category=plc_db --variable=password --value="$PLC_DB_PASSWORD" --save=$local_config $local_config
126 if ! psql -U $PLC_DB_USER -c "" template1 >/dev/null 2>&1 ; then
127 psql -U postgres -c "CREATE USER $PLC_DB_USER PASSWORD '$PLC_DB_PASSWORD'" template1
129 psql -U postgres -c "ALTER USER $PLC_DB_USER WITH PASSWORD '$PLC_DB_PASSWORD'" template1
133 # Create the databases if necessary
134 if ! psql -U $PLC_DB_USER -c "" $PLC_DB_NAME >/dev/null 2>&1 ; then
135 createdb -U postgres --encoding=UNICODE --owner=$PLC_DB_USER $PLC_DB_NAME
136 psql -U $PLC_DB_USER -f /usr/share/plc_api/$PLC_DB_NAME.sql $PLC_DB_NAME
139 if ! psql -U $PLC_DB_USER -c "" drupal >/dev/null 2>&1 ; then
140 createdb -U postgres --encoding=UNICODE --owner=$PLC_DB_USER drupal
141 psql -U $PLC_DB_USER -f /var/www/html/database/database.pgsql drupal
149 MESSAGE=$"Stopping database server"
152 # Drop the current user in case the username changes
153 psql -U postgres -c "DROP USER $PLC_DB_USER" template1
155 # WARNING: If the DB name changes, the old DB will be left
156 # intact and a new one will be created. If it changes
157 # back, the old DB will not be re-created.
159 # Shut down the server
160 service postgresql stop
162 # /etc/init.d/postgresql fails if it is not running
163 [ "$PLC_DB_ENABLED" = 1 ] && check