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|
#! /bin/sh
# postgresql This is the init script for starting up the PostgreSQL
# server
#
# chkconfig: - 85 15
# description: Starts and stops the PostgreSQL backend daemon that handles \
# all database requests.
# processname: postmaster
# pidfile: /var/run/postmaster.pid
# Version 6.5.3-2 Lamar Owen
# Added code to determine if PGDATA exists, whether it is current version
# or not, and initdb if no PGDATA (initdb will not overwrite a database).
# Version 7.0 Lamar Owen
# Added logging code
# Changed PGDATA.
#
# Version 7.0.2 Trond Eivind Glomsrd <teg@redhat.com>
# use functions, add conditional restart
# Version 7.0.3 Lamar Owen <lamar@postgresql.org>
# Check for the existence of functions before blindly using them
# in particular -- check for success () and failure () before using.
# More Cross-distribution support -- PGVERSION variable, and docdir checks.
# Version 7.1 Release Candidate Lamar Owen <lamar@postgresql.org>
# initdb parameters have changed.
# Version 7.1.2 Trond Eivind Glomsrd <teg@redhat.com>
# Specify shell for su
# Handle stop better - kill unwanted output, make it wait until the database is ready
# Handle locales slightly differently - always using "C" isn't a valid option
# Kill output from database initialization
# Mark messages for translation
# Version 7.1.2-2.PGDG Lamar Owen <lamar.owen@wgcr.org>
# sync up.
# Karl's fixes for some quoting issues.
# Version 7.2b2 Lamar Owen <lamar.owen@wgcr.org>
# version change.
# Version 7.2 final. Lamar Owen <lamar.owen@wgcr.org>
# reload from Peter E.
# Eliminate the pidof postmaster test in stop -- we're using pg_ctl so we don't need pidof.
# Tested the $? return for the stop script -- it does in fact propagate.
# TODO: multiple postmasters.
# VErsion 7.3 Lamar OWen <lamar.owen@ramifordistat.net>
# Multiple postmasters, courtesy Karl DeBisschop
# PGVERSION is:
PGVERSION=7.3
# Source function library.
INITD=/etc/rc.d/init.d
. $INITD/functions
# Get function listing for cross-distribution logic.
TYPESET=`typeset -f|grep "declare"`
# Get config.
. /etc/sysconfig/network
# Find the name of the script
NAME=`basename $0`
# Set defaults for port and database directory
PGPORT=5432
export PGDATA=/var/lib/pgsql
if [ -f $PGDATA/PG_VERSION ] && [ -d $PGDATA/base/template1 ]
then
echo "Using old-style directory structure"
else
export PGDATA=/var/lib/pgsql/data
fi
# Override defaults from /etc/sysconfig/pgsql if file is present
[ -f /etc/sysconfig/pgsql/${NAME} ] && . /etc/sysconfig/pgsql/${NAME}
export PGDATA
export PGPORT
export PGOPTS
# Check that networking is up.
# Pretty much need it for postmaster.
[ "${NETWORKING}" = "no" ] && exit 0
[ -f /usr/bin/postmaster ] || exit 0
start(){
PSQL_START=$"Starting ${NAME} service: "
# Check for the PGDATA structure
if [ -f $PGDATA/PG_VERSION ] && [ -d $PGDATA/base ]
then
# Check version of existing PGDATA
if [ `cat $PGDATA/PG_VERSION` != '7.3' ]
then
SYSDOCDIR="(Your System's documentation directory)"
if [ -d /usr/doc/postgresql-$PGVERSION ]
then
SYSDOCDIR=/usr/doc
fi
if [ -d /usr/share/doc/postgresql-$PGVERSION ]
then
SYSDOCDIR=/usr/share/doc
fi
if [ -d /usr/doc/packages/postgresql-$PGVERSION ]
then
SYSDOCDIR=/usr/doc/packages
fi
if [ -d /usr/share/doc/packages/postgresql-$PGVERSION ]
then
SYSDOCDIR=/usr/share/doc/packages
fi
echo
echo $"An old version of the database format was found.\nYou need to upgrade the data format before using PostgreSQL.\nSee $SYSDOCDIR/postgresql-$PGVERSION/README.rpm-dist for more information."
exit 1
# This doesn't seem to do anything useful...
# else
# if echo "$TYPESET"|grep "declare -f success ()" >/dev/null
# then
# success "$PSQL_CHECK"
# else
# echo " [ OK ]"
# fi
# echo
fi
# No existing PGDATA! Initdb it.
else
echo -n $"Initializing database: "
if [ ! -d $PGDATA ]
then
mkdir -p $PGDATA
chown postgres.postgres $PGDATA
chmod go-rwx $PGDATA
fi
# Make sure the locale from the initdb is preserved for later startups...
[ -f /etc/sysconfig/i18n ] && cp /etc/sysconfig/i18n $PGDATA/../initdb.i18n
# Just in case no locale was set, use en_US
[ ! -f /etc/sysconfig/i18n ] && echo "LANG=en_US" > $PGDATA/../initdb.i18n
# Is expanded this early to be used in the command su runs
echo "export LANG LC_ALL LC_CTYPE LC_COLLATE LC_NUMERIC LC_CTYPE LC_TIME" >> $PGDATA/../initdb.i18n
# Initialize the database
su -l postgres -s /bin/sh -c "/usr/bin/initdb --pgdata=$PGDATA > /dev/null 2>&1" < /dev/null
[ -f $PGDATA/PG_VERSION ] && echo_success
[ ! -f $PGDATA/PG_VERSION ] && echo_failure
echo
fi
# Check for postmaster already running...
# note that pg_ctl only looks at the data structures in PGDATA
# you really do need the pidof()
pid=`pidof -s /usr/bin/postmaster`
if [ $pid ] && /usr/bin/pg_ctl status -D $PGDATA > /dev/null 2>&1
then
echo $"Postmaster already running."
else
#all systems go -- remove any stale lock files
rm -f /tmp/.s.PGSQL.${PGPORT} > /dev/null
echo -n "$PSQL_START"
su -l postgres -s /bin/sh -c "/usr/bin/pg_ctl -D $PGDATA -p /usr/bin/postmaster -o '-p ${PGPORT}' start > /dev/null 2>&1" < /dev/null
sleep 1
pid=`pidof -s /usr/bin/postmaster`
if [ $pid ]
then
success "$PSQL_START"
touch /var/lock/subsys/${NAME}
echo $pid > /var/run/postmaster.${PGPORT}.pid
echo
else
failure "$PSQL_START"
echo
fi
fi
}
stop(){
echo -n $"Stopping ${NAME} service: "
su -l postgres -s /bin/sh -c "/usr/bin/pg_ctl stop -D $PGDATA -s -m fast" > /dev/null 2>&1
ret=$?
if [ $ret -eq 0 ]
then
echo_success
else
echo_failure
fi
echo
rm -f /var/run/postmaster.${PGPORT}.pid
rm -f /var/lock/subsys/${NAME}
}
restart(){
stop
start
}
condrestart(){
[ -e /var/lock/subsys/${NAME} ] && restart
}
reload(){
su -l postgres -s /bin/sh -c "/usr/bin/pg_ctl reload -D $PGDATA -s" > /dev/null 2>&1
}
# This script is slightly unusual in that the name of the daemon (postmaster)
# is not the same as the name of the subsystem (postgresql)
# See how we were called.
case "$1" in
start)
start
;;
stop)
stop
;;
status)
status postmaster
;;
restart)
restart
;;
condrestart)
condrestart
;;
reload|force-reload)
reload
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart|reload|force-reload}"
exit 1
esac
exit 0
|
