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 1.1 2006/04/06 21:51:59 mlhuang Exp $
13 # Source function library and configuration
14 . /etc/plc.d/functions
15 . /etc/planetlab/plc_config
18 PGDATA=/var/lib/pgsql/data
19 postgresql_conf=$PGDATA/postgresql.conf
20 pghba_conf=$PGDATA/pg_hba.conf
22 # Export so that we do not have to specify -p to psql invocations
23 export PGPORT=$PLC_DB_PORT
25 # /etc/init.d/postgresql always returns 0, even on failure
28 service postgresql start
29 status postmaster && [ -f /var/lock/subsys/postgresql ]
34 if [ "$PLC_DB_ENABLED" != "1" ] ; then
38 MESSAGE=$"Starting database server"
41 # Set data directory and redirect startup output to /var/log/pgsql
42 mkdir -p /etc/sysconfig/pgsql
45 echo "PGLOG=/var/log/pgsql"
46 echo "PGPORT=$PLC_DB_PORT"
47 ) >>/etc/sysconfig/pgsql/postgresql
49 # Fix ownership (rpm installation may have changed it)
50 chown -R -H postgres:postgres $(dirname $PGDATA)
52 # PostgreSQL must be started at least once to bootstrap
54 if [ ! -f $postgresql_conf ] ; then
57 service postgresql stop
61 # Enable DB server. PostgreSQL >=8.0 defines listen_addresses,
62 # PostgreSQL 7.x uses tcpip_socket.
63 if grep -q listen_addresses $postgresql_conf ; then
64 sed -i -e '/^listen_addresses/d' $postgresql_conf
65 echo "listen_addresses = '*'" >>$postgresql_conf
66 elif grep -q tcpip_socket $postgresql_conf ; then
67 sed -i -e '/^tcpip_socket/d' $postgresql_conf
68 echo "tcpip_socket = true" >>$postgresql_conf
71 # Disable access to all DBs from all hosts
72 sed -i -e '/^\(host\|local\)/d' $pghba_conf
74 # Enable passwordless localhost access
75 echo "local all all trust" >>$pghba_conf
77 # Enable access from the API and web servers
78 PLC_API_IP=$(gethostbyname $PLC_API_HOST)
79 PLC_WWW_IP=$(gethostbyname $PLC_WWW_HOST)
81 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_API_IP/32 password"
82 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_WWW_IP/32 password"
85 # Fix ownership (sed -i changes it)
86 chown postgres:postgres $postgresql_conf $pghba_conf
92 # Create/update the unprivileged database user and password
93 if ! psql -U $PLC_DB_USER -c "" template1 >/dev/null 2>&1 ; then
94 psql -U postgres -c "CREATE USER $PLC_DB_USER PASSWORD '$PLC_DB_PASSWORD'" template1
96 psql -U postgres -c "ALTER USER $PLC_DB_USER WITH PASSWORD '$PLC_DB_PASSWORD'" template1
99 # Create the database if necessary
100 if ! psql -U $PLC_DB_USER -c "" $PLC_DB_NAME >/dev/null 2>&1 ; then
101 createdb -U postgres $PLC_DB_NAME
102 psql -U $PLC_DB_USER -f /usr/share/pl_db/plc_schema_3.sql $PLC_DB_NAME
109 MESSAGE=$"Stopping database server"
112 # Drop the current user in case the username changes
113 psql -U postgres -c "DROP USER $PLC_DB_USER" template1
115 # WARNING: If the DB name changes, the old DB will be left
116 # intact and a new one will be created. If it changes
117 # back, the old DB will not be re-created.
119 # Shut down the server
120 service postgresql stop