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 1.2 2006/04/25 21:18:19 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 # start() always returns 0
29 service postgresql start
31 # status() will still return 0 even while still initializing
32 if status postmaster && [ -f /var/lock/subsys/postgresql ] ; then
33 # The only way we can be sure is if we can access it
34 for i in $(seq 1 10) ; do
35 psql -U postgres -c "" template1 && return 0
45 if [ "$PLC_DB_ENABLED" != "1" ] ; then
49 MESSAGE=$"Starting database server"
52 # Set data directory and redirect startup output to /var/log/pgsql
53 mkdir -p /etc/sysconfig/pgsql
56 echo "PGLOG=/var/log/pgsql"
57 echo "PGPORT=$PLC_DB_PORT"
58 ) >>/etc/sysconfig/pgsql/postgresql
60 # Fix ownership (rpm installation may have changed it)
61 chown -R -H postgres:postgres $(dirname $PGDATA)
63 # PostgreSQL must be started at least once to bootstrap
65 if [ ! -f $postgresql_conf ] ; then
68 service postgresql stop
72 # Enable DB server. PostgreSQL >=8.0 defines listen_addresses,
73 # PostgreSQL 7.x uses tcpip_socket.
74 if grep -q listen_addresses $postgresql_conf ; then
75 sed -i -e '/^listen_addresses/d' $postgresql_conf
76 echo "listen_addresses = '*'" >>$postgresql_conf
77 elif grep -q tcpip_socket $postgresql_conf ; then
78 sed -i -e '/^tcpip_socket/d' $postgresql_conf
79 echo "tcpip_socket = true" >>$postgresql_conf
82 # Disable access to all DBs from all hosts
83 sed -i -e '/^\(host\|local\)/d' $pghba_conf
85 # Enable passwordless localhost access
86 echo "local all all trust" >>$pghba_conf
88 # Enable access from the API and web servers
89 PLC_API_IP=$(gethostbyname $PLC_API_HOST)
90 PLC_WWW_IP=$(gethostbyname $PLC_WWW_HOST)
92 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_API_IP/32 password"
93 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_WWW_IP/32 password"
96 # Fix ownership (sed -i changes it)
97 chown postgres:postgres $postgresql_conf $pghba_conf
103 # Create/update the unprivileged database user and password
104 if ! psql -U $PLC_DB_USER -c "" template1 >/dev/null 2>&1 ; then
105 psql -U postgres -c "CREATE USER $PLC_DB_USER PASSWORD '$PLC_DB_PASSWORD'" template1
107 psql -U postgres -c "ALTER USER $PLC_DB_USER WITH PASSWORD '$PLC_DB_PASSWORD'" template1
110 # Create the database if necessary
111 if ! psql -U $PLC_DB_USER -c "" $PLC_DB_NAME >/dev/null 2>&1 ; then
112 createdb -U postgres $PLC_DB_NAME
113 psql -U $PLC_DB_USER -f /usr/share/pl_db/plc_schema_3.sql $PLC_DB_NAME
120 MESSAGE=$"Stopping database server"
123 # Drop the current user in case the username changes
124 psql -U postgres -c "DROP USER $PLC_DB_USER" template1
126 # WARNING: If the DB name changes, the old DB will be left
127 # intact and a new one will be created. If it changes
128 # back, the old DB will not be re-created.
130 # Shut down the server
131 service postgresql stop