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 1.3 2006/05/02 23:52:50 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 $(seq 1 10) ; do
38 psql -U postgres -c "" template1 && return 0
48 if [ "$PLC_DB_ENABLED" != "1" ] ; then
52 MESSAGE=$"Starting database server"
55 # Set data directory and redirect startup output to /var/log/pgsql
56 mkdir -p /etc/sysconfig/pgsql
59 echo "PGLOG=/var/log/pgsql"
60 echo "PGPORT=$PLC_DB_PORT"
61 ) >>/etc/sysconfig/pgsql/postgresql
63 # Fix ownership (rpm installation may have changed it)
64 chown -R -H postgres:postgres $(dirname $PGDATA)
66 # PostgreSQL must be started at least once to bootstrap
68 if [ ! -f $postgresql_conf ] ; then
71 service postgresql stop
75 # Enable DB server. PostgreSQL >=8.0 defines listen_addresses,
76 # PostgreSQL 7.x uses tcpip_socket.
77 if grep -q listen_addresses $postgresql_conf ; then
78 sed -i -e '/^listen_addresses/d' $postgresql_conf
79 echo "listen_addresses = '*'" >>$postgresql_conf
80 elif grep -q tcpip_socket $postgresql_conf ; then
81 sed -i -e '/^tcpip_socket/d' $postgresql_conf
82 echo "tcpip_socket = true" >>$postgresql_conf
85 # Disable access to all DBs from all hosts
86 sed -i -e '/^\(host\|local\)/d' $pghba_conf
88 # Enable passwordless localhost access
89 echo "local all all trust" >>$pghba_conf
91 # Enable access from the API and web servers
92 PLC_API_IP=$(gethostbyname $PLC_API_HOST)
93 PLC_WWW_IP=$(gethostbyname $PLC_WWW_HOST)
95 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_API_IP/32 password"
96 echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_WWW_IP/32 password"
99 # Fix ownership (sed -i changes it)
100 chown postgres:postgres $postgresql_conf $pghba_conf
102 # Start up the server
106 # Create/update the unprivileged database user and password
107 if ! psql -U $PLC_DB_USER -c "" template1 >/dev/null 2>&1 ; then
108 psql -U postgres -c "CREATE USER $PLC_DB_USER PASSWORD '$PLC_DB_PASSWORD'" template1
110 psql -U postgres -c "ALTER USER $PLC_DB_USER WITH PASSWORD '$PLC_DB_PASSWORD'" template1
113 # Create the database if necessary
114 if ! psql -U $PLC_DB_USER -c "" $PLC_DB_NAME >/dev/null 2>&1 ; then
115 createdb -U postgres $PLC_DB_NAME
116 psql -U $PLC_DB_USER -f /usr/share/pl_db/plc_schema_3.sql $PLC_DB_NAME
123 MESSAGE=$"Stopping database server"
126 # Drop the current user in case the username changes
127 psql -U postgres -c "DROP USER $PLC_DB_USER" template1
129 # WARNING: If the DB name changes, the old DB will be left
130 # intact and a new one will be created. If it changes
131 # back, the old DB will not be re-created.
133 # Shut down the server
134 service postgresql stop