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,v 1.7 2006/11/16 18:50:32 mlhuang Exp $
13 # Source function library and configuration
14 . /etc/plc.d/functions
15 . /etc/planetlab/plc_config
21 PGDATA=/var/lib/pgsql/data
22 postgresql_conf=$PGDATA/postgresql.conf
23 pghba_conf=$PGDATA/pg_hba.conf
25 # Export so that we do not have to specify -p to psql invocations
26 export PGPORT=$PLC_DB_PORT
28 # /etc/init.d/postgresql always returns 0, even on failure
31 # start() always returns 0
32 service postgresql start
34 # status() will still return 0 even while still initializing
35 if status postmaster && [ -f /var/lock/subsys/postgresql ] ; then
36 # The only way we can be sure is if we can access it
37 for i in $(seq 1 10) ; do
38 # Must do this as the postgres user initially (before we
39 # fix pg_hba.conf to passwordless localhost access).
40 su -c 'psql -U postgres -c "" template1' postgres && return 0
50 if [ "$PLC_DB_ENABLED" != "1" ] ; then
54 MESSAGE=$"Starting database server"
57 # Set data directory and redirect startup output to /var/log/pgsql
58 mkdir -p /etc/sysconfig/pgsql
61 echo "PGLOG=/var/log/pgsql"
62 echo "PGPORT=$PLC_DB_PORT"
63 ) >>/etc/sysconfig/pgsql/postgresql
65 # Fix ownership (rpm installation may have changed it)
66 chown -R -H postgres:postgres $(dirname $PGDATA)
68 # PostgreSQL must be started at least once to bootstrap
70 if [ ! -f $postgresql_conf ] ; then
73 service postgresql stop
77 # Enable DB server. PostgreSQL >=8.0 defines listen_addresses,
78 # PostgreSQL 7.x uses tcpip_socket.
79 if grep -q listen_addresses $postgresql_conf ; then
80 sed -i -e '/^listen_addresses/d' $postgresql_conf
81 echo "listen_addresses = '*'" >>$postgresql_conf
82 elif grep -q tcpip_socket $postgresql_conf ; then
83 sed -i -e '/^tcpip_socket/d' $postgresql_conf
84 echo "tcpip_socket = true" >>$postgresql_conf
87 # Disable access to all DBs from all hosts
88 sed -i -e '/^\(host\|local\)/d' $pghba_conf
90 # Enable passwordless localhost access
91 echo "local all all trust" >>$pghba_conf
93 # Enable access from the API and web servers
94 PLC_API_IP=$(gethostbyname $PLC_API_HOST)
95 PLC_WWW_IP=$(gethostbyname $PLC_WWW_HOST)
97 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_API_IP/32 password"
98 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_WWW_IP/32 password"
99 # Drupal also uses PostgreSQL
100 echo "host drupal $PLC_DB_USER $PLC_WWW_IP/32 password"
103 # Fix ownership (sed -i changes it)
104 chown postgres:postgres $postgresql_conf $pghba_conf
106 # Start up the server
110 # Create/update the unprivileged database user and password
111 if [ -z "$PLC_DB_PASSWORD" ] ; then
112 PLC_DB_PASSWORD=$(uuidgen)
113 plc-config --category=plc_db --variable=password --value="$PLC_DB_PASSWORD" --save
115 if ! psql -U $PLC_DB_USER -c "" template1 >/dev/null 2>&1 ; then
116 psql -U postgres -c "CREATE USER $PLC_DB_USER PASSWORD '$PLC_DB_PASSWORD'" template1
118 psql -U postgres -c "ALTER USER $PLC_DB_USER WITH PASSWORD '$PLC_DB_PASSWORD'" template1
122 # Create the databases if necessary
123 if ! psql -U $PLC_DB_USER -c "" $PLC_DB_NAME >/dev/null 2>&1 ; then
124 createdb -U postgres --encoding=UNICODE --owner=$PLC_DB_USER $PLC_DB_NAME
125 psql -U $PLC_DB_USER -f /usr/share/plc_api/$PLC_DB_NAME.sql $PLC_DB_NAME
128 if ! psql -U $PLC_DB_USER -c "" drupal >/dev/null 2>&1 ; then
129 createdb -U postgres --encoding=UNICODE --owner=$PLC_DB_USER drupal
130 psql -U $PLC_DB_USER -f /var/www/html/database/database.pgsql drupal
138 MESSAGE=$"Stopping database server"
141 # Drop the current user in case the username changes
142 psql -U postgres -c "DROP USER $PLC_DB_USER" template1
144 # WARNING: If the DB name changes, the old DB will be left
145 # intact and a new one will be created. If it changes
146 # back, the old DB will not be re-created.
148 # Shut down the server
149 service postgresql stop
151 # /etc/init.d/postgresql fails if it is not running
152 [ "$PLC_DB_ENABLED" = 1 ] && check