--- /dev/null
+#!/bin/bash
+# $Id$
+# $URL$
+#
+# priority: 700
+#
+# Manage the PostgreSQL database server
+#
+# Mark Huang <mlhuang@cs.princeton.edu>
+# Copyright (C) 2006 The Trustees of Princeton University
+#
+
+# Source function library and configuration
+. /etc/plc.d/functions
+. /etc/planetlab/plc_config
+local_config=/etc/planetlab/configs/site.xml
+
+# Be verbose
+set -x
+
+# Default locations
+PGDATA=/var/lib/pgsql/data
+postgresql_conf=$PGDATA/postgresql.conf
+pghba_conf=$PGDATA/pg_hba.conf
+
+# Export so that we do not have to specify -p to psql invocations
+export PGPORT=$PLC_DB_PORT
+
+# /etc/init.d/postgresql always returns 0, even on failure
+postgresql_start ()
+{
+ # start() always returns 0
+ (exec 3>&- 4>&- ; service postgresql start)
+
+ # status() will still return 0 even while still initializing
+ if status postmaster && [ -f /var/lock/subsys/postgresql ] ; then
+ # The only way we can be sure is if we can access it
+ for i in $(seq 1 10) ; do
+ # Must do this as the postgres user initially (before we
+ # fix pg_hba.conf to passwordless localhost access).
+ su -c 'psql -U postgres -c "" template1' postgres && return 0
+ sleep 1
+ done
+ fi
+
+ return 1
+}
+
+postgresql_init ()
+{
+ service postgresql initdb &> /dev/null || :
+ postgresql_start
+}
+
+case "$1" in
+ start)
+ if [ "$PLC_DB_ENABLED" != "1" ] ; then
+ exit 0
+ fi
+
+ MESSAGE=$"Starting PostgreSQL server"
+ dialog "$MESSAGE"
+
+ # Set data directory and redirect startup output to /var/log/pgsql
+ mkdir -p /etc/sysconfig/pgsql
+ (
+ echo "PGDATA=$PGDATA"
+ echo "PGLOG=/var/log/pgsql"
+ echo "PGPORT=$PLC_DB_PORT"
+ ) >>/etc/sysconfig/pgsql/postgresql
+
+ # Fix ownership (rpm installation may have changed it)
+ chown -R -H postgres:postgres $(dirname $PGDATA)
+
+ # PostgreSQL must be started at least once to bootstrap
+ # /var/lib/pgsql/data
+ if [ ! -f $postgresql_conf ] ; then
+ postgresql_init
+ check
+ service postgresql stop
+ check
+ fi
+
+ # Enable DB server. PostgreSQL >=8.0 defines listen_addresses,
+ # PostgreSQL 7.x uses tcpip_socket.
+ if grep -q listen_addresses $postgresql_conf ; then
+ sed -i -e '/^listen_addresses/d' $postgresql_conf
+ echo "listen_addresses = '*'" >>$postgresql_conf
+ elif grep -q tcpip_socket $postgresql_conf ; then
+ sed -i -e '/^tcpip_socket/d' $postgresql_conf
+ echo "tcpip_socket = true" >>$postgresql_conf
+ fi
+
+ # Disable access to all DBs from all hosts
+ sed -i -e '/^\(host\|local\)/d' $pghba_conf
+
+ # Enable passwordless localhost access
+ echo "local all all trust" >>$pghba_conf
+
+ # Enable access from the API, boot, and web servers
+ PLC_API_IP=$(gethostbyname $PLC_API_HOST)
+ PLC_BOOT_IP=$(gethostbyname $PLC_BOOT_HOST)
+ PLC_WWW_IP=$(gethostbyname $PLC_WWW_HOST)
+ ip_failure=0
+ if [ -z "$PLC_API_IP" ] ; then
+ MESSAGE=$"PLC_API_IP is not set"
+ dialog "$MESSAGE"
+ ip_failure=1
+ fi
+ if [ -z "$PLC_BOOT_IP" ] ; then
+ MESSAGE=$"PLC_BOOT_IP is not set"
+ dialog "$MESSAGE"
+ ip_failure=1
+ fi
+ if [ -z "$PLC_WWW_IP" ] ; then
+ MESSAGE=$"PLC_WWW_IP is not set"
+ dialog "$MESSAGE"
+ ip_failure=1
+ fi
+ if [ $ip_failure -eq 1 ] ; then
+ /bin/false
+ check
+ fi
+
+ (
+ echo "host $PLC_DB_NAME $PLC_DB_USER 127.0.0.1/32 password"
+ echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_API_IP/32 password"
+ echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_BOOT_IP/32 password"
+ echo "host $PLC_DB_NAME $PLC_DB_USER $PLC_WWW_IP/32 password"
+ # Drupal also uses PostgreSQL
+ echo "host drupal $PLC_DB_USER 127.0.0.1/32 password"
+ echo "host drupal $PLC_DB_USER $PLC_WWW_IP/32 password"
+ ) >>$pghba_conf
+
+ # Append site-specific access rules
+ for file in $pghba_conf.d/*.conf ; do
+ cat "$file" >>$pghba_conf
+ done
+
+ # Fix ownership (sed -i changes it)
+ chown postgres:postgres $postgresql_conf $pghba_conf
+
+ # Start up the server
+ postgresql_start
+ check
+
+ # Create/update the unprivileged database user and password
+ if [ -z "$PLC_DB_PASSWORD" ] ; then
+ PLC_DB_PASSWORD=$(uuidgen)
+ plc-config --category=plc_db --variable=password --value="$PLC_DB_PASSWORD" --save=$local_config $local_config
+ service plc reload
+ fi
+ if ! psql -U $PLC_DB_USER -c "" template1 >/dev/null 2>&1 ; then
+ psql -U postgres -c "CREATE USER $PLC_DB_USER PASSWORD '$PLC_DB_PASSWORD'" template1
+ else
+ psql -U postgres -c "ALTER USER $PLC_DB_USER WITH PASSWORD '$PLC_DB_PASSWORD'" template1
+ fi
+ check
+
+ # Create the databases if necessary
+ if ! psql -U $PLC_DB_USER -c "" $PLC_DB_NAME >/dev/null 2>&1 ; then
+ createdb -U postgres --template=template0 --encoding=UNICODE --owner=$PLC_DB_USER $PLC_DB_NAME
+ psql -U $PLC_DB_USER -f /usr/share/plc_api/$PLC_DB_NAME.sql $PLC_DB_NAME
+ fi
+ check
+ if ! psql -U $PLC_DB_USER -c "" drupal >/dev/null 2>&1 ; then
+ createdb -U postgres --template=template0 --encoding=UNICODE --owner=$PLC_DB_USER drupal
+ psql -U $PLC_DB_USER -f /var/www/html/database/database.pgsql drupal
+ fi
+ check
+
+ result "$MESSAGE"
+ ;;
+
+ stop)
+ MESSAGE=$"Stopping PostgreSQL server"
+ dialog "$MESSAGE"
+
+ # Drop the current user in case the username changes
+ psql -U postgres -c "DROP USER $PLC_DB_USER" template1
+
+ # WARNING: If the DB name changes, the old DB will be left
+ # intact and a new one will be created. If it changes
+ # back, the old DB will not be re-created.
+
+ # Shut down the server
+ service postgresql stop
+
+ # /etc/init.d/postgresql fails if it is not running
+ [ "$PLC_DB_ENABLED" = 1 ] && check
+
+ result "$MESSAGE"
+ ;;
+esac
+
+exit $ERRORS
git://git.onelab.eu / plcapi.git / blobdiff