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|
#!/bin/bash
#
# @NAME_SERVICE@
#
# This is the init script for starting up the PostgreSQL server.
#
# This script is slightly unusual in that the name of the daemon (postmaster)
# is not the same as the name of the subsystem (postgresql)
#
# chkconfig: - 64 36
# description: PostgreSQL database server.
# processname: postmaster
# pidfile: /var/run/postmaster.PORT.pid
### BEGIN INIT INFO
# Provides: @NAME_SERVICE@
# Required-Start: $local_fs $remote_fs $network $named $syslog $time
# Required-Stop: $local_fs $remote_fs $network $named $syslog $time
# Short-Description: start and stop PostgreSQL @PGVERSION@ server
# Description: PostgreSQL database server
### END INIT INFO
# PGVERSION is the full package version, e.g., 9.0.2
# Note: the specfile inserts the correct value during package build
PGVERSION=@PGVERSION@
# PGMAJORVERSION is major version, e.g., 9.0 (this should match PG_VERSION)
PGMAJORVERSION=@PGMAJORVERSION@
# PGDOCDIR is the directory containing the package's documentation
# Note: the specfile inserts the correct value during package build
# Distribution README file
README_DIST=@README_DIST@
# Source function library.
. /etc/rc.d/init.d/functions
# Get network config.
. /etc/sysconfig/network
# postgresql-setup library
. "@rawpkgdatadir@/library.sh"
@SCL_SOURCE@
# Find the name of the script
NAME=`basename $0`
if [ ${NAME:0:1} = "S" -o ${NAME:0:1} = "K" ]
then
NAME=${NAME:3}
fi
SU_POSTGRES="@SU_POSTGRES@"
# Set defaults for configuration variables
PGENGINE=@bindir@
# Only default system service has default PGDATA set. This allows us to catch
# admin's mistake of not creating /etc/sysconfig/psql/$NAME configuration file
# and just hard/symlinking default init script. That way we can avoid (inside
# postgresql-check-db-dir) runnnig "secondary" server against "default" data
# directory.
if test "@NAME_SERVICE@" = "$NAME"; then
PGDATA=@PGDATADIR@
fi
PGLOG=@POSTGRES_HOMEDIR@/pgstartup-@NAME_SERVICE@.log
# Value to set as postmaster process's oom_adj
PG_OOM_ADJ=-17
# Override defaults from /etc/sysconfig/pgsql if file is present
[ -f /etc/sysconfig/pgsql/${NAME} ] && . /etc/sysconfig/pgsql/${NAME}
export PGDATA
export PGPORT
lockfile="/var/lock/subsys/${NAME}"
# Ideally, we should use $PGDATA/postmaster.pid. It apparently works, but to
# be honest I'm not sure about consequences. Most probably 'service status'
# would not work for non-root/non-postgres users. TODO?
pidfile="/var/run/${NAME}.pid"
script_result=0
start()
{
[ -x "$PGENGINE/postgres" ] || exit 5
PSQL_START=$"Starting ${NAME} service: "
# Make sure startup-time log file is valid
if [ ! -e "$PGLOG" -a ! -h "$PGLOG" ]
then
touch "$PGLOG" || exit 4
chown postgres:postgres "$PGLOG"
chmod go-rwx "$PGLOG"
[ -x /sbin/restorecon ] && /sbin/restorecon "$PGLOG"
fi
@libexecdir@/postgresql-check-db-dir "$NAME" || {
echo_failure
echo
exit 1
}
echo -n "$PSQL_START"
test x"$PG_OOM_ADJ" != x && echo "$PG_OOM_ADJ" > /proc/self/oom_adj
# Note that this does not fail/exit the 'service start' if the postmaster
# is already running. We should probably 'status' first and start only if
# postmaster is down. This just unnecessarily wastes time and generates
# too much (false) rush in $PGLOG.
run_cmd_as_dbadmin \
"$PGENGINE/postgres ${PGPORT+-o "-p $PGPORT"} \
-D '$PGDATA' ${PGOPTS} &" \
"$PGLOG" "$PGLOG"
# TODO: parametrize
sleep 2
pid=`head -n 1 "$PGDATA/postmaster.pid" 2>/dev/null`
if [ "x$pid" != x ]
then
success "$PSQL_START"
touch "$lockfile"
echo $pid > "$pidfile"
echo
else
failure "$PSQL_START"
echo
script_result=1
fi
}
stop()
{
echo -n $"Stopping ${NAME} service: "
if [ -e "$lockfile" ]
then
run_cmd_as_dbadmin \
"$PGENGINE/pg_ctl stop -D '$PGDATA' -s -m fast" \
/dev/null /dev/null
ret=$?
if [ $ret -eq 0 ]
then
echo_success
rm -f "$pidfile"
rm -f "$lockfile"
else
echo_failure
script_result=1
fi
else
# not running; per LSB standards this is "ok"
echo_success
fi
echo
}
restart(){
stop
start
}
condrestart(){
[ -e "$lockfile" ] && restart || :
}
reload()
{
$SU_POSTGRES -c "@SCL_SOURCE@ $PGENGINE/pg_ctl reload -D '$PGDATA' -s" > /dev/null 2>&1 < /dev/null
}
__single_comand()
{
local msg="$1"
shift
echo $"$msg ($@)"
"$@" && success || failure || script_result=1
echo
}
initdb()
{
__single_comand $"Initializing database" \
@NAME_BINARYBASE@-setup --initdb "$NAME" "$@"
}
upgrade()
{
__single_comand $"Upgrading database" \
@NAME_BINARYBASE@-setup --upgrade "$NAME" "$@"
}
# See how we were called.
case "$1" in
start)
start
;;
stop)
stop
;;
status)
status -p "$pidfile" postgres
script_result=$?
;;
restart)
restart
;;
condrestart|try-restart)
condrestart
;;
reload)
reload
;;
force-reload)
restart
;;
initdb)
shift
initdb "$@"
;;
upgrade)
shift
upgrade "$@"
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|initdb|upgrade}"
exit 2
esac
exit $script_result
|
