X-Git-Url: http://git.pld-linux.org/?a=blobdiff_plain;f=postgresql.init;h=647f2ec4328af6cab69cf80b305ae8a7c25863b1;hb=adfd9c7ffbbb26a7219309c31b40913339fb5ca3;hp=ef0bb663487d8f1c77b85df4016f9c116800e6a5;hpb=d467417426551fd8c60f28eb709bfb2ad0ec7353;p=packages%2Fpostgresql.git

diff --git a/postgresql.init b/postgresql.init
index ef0bb66..647f2ec 100644
--- a/postgresql.init
+++ b/postgresql.init
@@ -3,13 +3,14 @@
 # postgresql	This is the init script for starting up the PostgreSQL
 #		server
 #
-# chkconfig:	345 85 15
+# chkconfig:	345 84 25
 #
 # description:	Starts and stops the PostgreSQL backend daemon that handles \
 #		all database requests.
 #
 # processname:	postmaster
-# pidfile:	/var/run/postmaster.pid
+
+cd /
 
 # Source function library
 . /etc/rc.d/init.d/functions
@@ -17,89 +18,245 @@
 # Get network config
 . /etc/sysconfig/network
 
+PG_INIT_LOCALE=C
+
 # Get service config
-if [ -f /etc/sysconfig/postgresql ] ; then
-        . /etc/sysconfig/postgresql
+if [ -f /etc/sysconfig/postgresql ]; then
+	. /etc/sysconfig/postgresql
 else
-        ALLOW_TCP_CONNECTIONS=no
-	POSTGRES_DATA_DIR=/var/state/psql
+	nls "Error: %s not found" /etc/sysconfig/postgresql
+	nls " PostgreSQL can't be run."
+	exit 1
 fi
 
-# Check that networking is up.
-if [ "${NETWORKING}" = "no" ]; then
-	echo "WARNING: Networking is down. Postgresql service can't be runed."
+if [ ! "$PG_DB_CLUSTERS" ]; then
+	nls "Error: PG_DB_CLUSTERS not found or is empty"
+	nls " PostgreSQL can't be run."
 	exit 1
 fi
 
-# See how we were called.
-case "$1" in
-  start)
-	# Check if the service is already running?
-	if [ ! -f /var/lock/subsys/postgresql ]; then
-
-		# Sanity check
-		[ -f /tmp/.s.PGSQL.5432 ] || rm -f /tmp/.s.PGSQL.5432
-		STARTTEXT="Starting postgresql"
-		
-		# Check for the PGDATA structure
-		if [ -f $POSTGRES_DATA_DIR/PG_VERSION ] && [ -d $POSTGRES_DATA_DIR/base/template1 ]; then
-		    # Check version of existing PGDATA
-		    if [ `cat $POSTGRES_DATA_DIR/PG_VERSION` != '6.5' ]; then
-			STARTTEXT="$STARTTEXT [Old version. Need to Upgrade]"
-			show "$STARTTEXT"; fail
-			exit 1
-		    fi
+# Check that networking is up.
+if is_yes "${NETWORKING}"; then
+	if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status -a "$1" != init ]; then
+		msg_network_down PostgreSQL
+		exit 1
+	fi
+else
+	exit 0
+fi
+
+action="$1"
+
+# any db cluster as command line argument?
+if [ $# -gt 1 ]; then
+	shift
+	# perform action for specified clusters only
+	DB_CLUSTERS="$@"
+else
+	DB_CLUSTERS="$PG_DB_CLUSTERS"
+fi
+
+#
+# Useful functions.
+#
+
+#
+# check for postgresql status
+#
+# arguments:
+# $1 - db cluster
+#
+# sets variables:
+# PG_STATUS = running | not running
+# PG_PID    = pid of postmaster process
+#
+pgstatus() {
+	PG_STATUS="unknown"
+	PG_PID="unknown"
+	output=$(LC_ALL=C TMPDIR=/tmp su postgres -c "/usr/bin/pg_ctl -D $1 status")
+	status=$?
+
+	if [ $status -eq 3 ]; then
+		PG_STATUS="not running"
+	elif [ $status -eq 0 ]; then
+		PG_STATUS="running"
+	# or maybe grab it from postmaster.pid file?
+		PG_PID=$(echo "$output" | awk '/PID: / { match($0, "PID: [0-9]+"); print substr($0,RSTART+5,RLENGTH-5) }')
+	fi
+}
+
+#
+# start postgresql and display appropriate messages
+#
+# arguments:
+# $1 - db cluster
+#
+pgstart() {
+	is_no "$RC_LOGGING" && fork=--fork
+	msg_starting "PostgreSQL $1"
+	daemon $fork --user postgres /usr/bin/pg_ctl -s -w -D $1 start
+}
+
+#
+# check for running postgresql instances; if any instance is running then
+# create subsys lock file
+#
+pgsubsys() {
+	# check for every defined db cluster in sysconfig file
+	for pgdir in $PG_DB_CLUSTERS; do
+		pgstatus "$pgdir"
+		if [ "$PG_STATUS" = "running" ]; then
+			touch /var/lock/subsys/postgresql
+			return
+		fi
+	done
+	rm -f /var/lock/subsys/postgresql
+}
+
+#
+# End of useful functions.
+#
+
+start() {
+	for pgdir in $DB_CLUSTERS; do
+		pgstatus "$pgdir"
+		if [ "$PG_STATUS" = "running" ]; then
+			# pg_ctl status can misinform us about postgresql status
+			# so let's check if postmaster is really alive
+			if ps -p "$PG_PID" >/dev/null; then
+				msg_already_running "PostgreSQL $pgdir"
+			else
+				# pg_ctl has misinformed us about postgresql status;
+				# remove pid file and run postgresql
+				msg_not_running "PostgreSQL $pgdir"
+				rm -f $pgdir/postmaster.pid
+				pgstart "$pgdir"
+			fi
 		else
-		    # Create sample database
-            	    if [ ! -d $POSTGRES_DATA_DIR ]; then
-			mkdir -p $POSTGRES_DATA_DIR
-			chown postgres.postgres $POSTGRES_DATA_DIR
-		    fi
-		    show Creating postgresql init database
-		    busy
-		    su postgres -c "LD_LIBRARY_PATH=/usr/lib \
-			initdb --pgdata=$POSTGRES_DATA_DIR \
-			--pglib=/usr/lib/pgsql &>/tmp/initdb.pgsql"
-		    deltext; ok
+			pgstart "$pgdir"
 		fi
-		
-		show "$STARTTEXT"
-		busy
-		su postgres -c "/usr/bin/postmaster \
-			$([ "$ALLOW_TCP_CONNECTIONS" = yes ] && echo "-i") \
-			$([ -n "$MAX_NUM_BACKENDS" ] && echo "-N $MAX_NUM_BACKENDS") \
-			$([ -n "POSTGRES_$DATA_DIR" ] && echo "-D $POSTGRES_DATA_DIR") \
-			-o \
-			$([ "$POSTGRES_QUIET" = yes ] && echo "-Q") \
-			$([ "$POSTGRES_DIABLE_FSYNC" = yes ] && echo "-F") &"
-		sleep 2
-		if ps ax | grep -v grep | grep -q postmaster; then
-			deltext; ok
+	done
+	pgsubsys
+}
+
+stop() {
+	for pgdir in $DB_CLUSTERS; do
+		pgstatus "$pgdir"
+		if [ "$PG_STATUS" = "not running" ]; then
+			msg_not_running "PostgreSQL $pgdir"
 		else
-			deltext; fail
+			msg_stopping "PostgreSQL $pgdir"
+			busy
+			# is postgresql really alive?
+			if ps -p "$PG_PID" >/dev/null; then
+				TMPDIR=/tmp su postgres -c "/usr/bin/pg_ctl -w -D $pgdir stop -m fast 2>&1 >/dev/null"
+				pgstatus "$pgdir"
+				if [ "$PG_STATUS" != "not running" ]; then
+					fail
+				else
+					ok
+				fi
+			else
+				# postgresql is not really alive; pg_ctl misinformed us
+				# about the status
+				died
+			fi
+			rm -f $pgdir/postmaster.pid
 		fi
-	else
-		echo "Postgresql already is running"
-	fi
-	touch /var/lock/subsys/postgresql
+	done
+	pgsubsys
+}
+
+
+RETVAL=0
+# See how we were called.
+# Every action is performed for all given (all configured by default)
+# db clusters.
+case "$action" in
+  start)
+	start
 	;;
   stop)
-	show Stopping postgresql service
-	killproc postmaster
-	sleep 2
-	rm -f /var/run/postmaster.pid
-	rm -f /var/lock/subsys/postgresql
+	stop
 	;;
   status)
-	status postmaster
+	for pgdir in $DB_CLUSTERS; do
+		pgstatus "$pgdir"
+		if [ "$PG_STATUS" = "running" ]; then
+			show "PostgreSQL cluster %s, PID %s" "$pgdir" "$PG_PID"
+			progress "$PG_STATUS"
+		else
+			show "PostgreSQL cluster %s" "$pgdir"
+			progress "$PG_STATUS" "$CFAIL"
+		fi
+		echo
+	done
+	;;
+  restart)
+	stop
+	start
+	;;
+  reload|force-reload|try-restart)
+	if [ "$action" = "reload" ]; then
+		# "reload" must not restart service - so let it reload only what's possible
+		pgctlact="reload"
+	else
+		pgctlact="restart"
+	fi
+	for pgdir in $DB_CLUSTERS; do
+		pgstatus "$pgdir"
+		if [ "$PG_STATUS" = "not running" ]; then
+			msg_not_running "PostgreSQL $pgdir"
+			if [ "$action" != "try-restart" ]; then
+				RETVAL=7
+			fi
+		else
+			msg_reloading "PostgreSQL $pgdir"
+			busy
+			# is postgresql really alive?
+			if ps -p "$PG_PID" >/dev/null; then
+				TMPDIR=/tmp su postgres -c "/usr/bin/pg_ctl -D $pgdir $pgctlact 2>&1 >/dev/null"
+					pgstatus "$pgdir"
+				if [ "$PG_STATUS" = "running" ]; then
+					ok
+				else
+					fail
+				fi
+			elif [ "$action" != "try-restart" ]; then
+				# postgresql died and pg_ctl has misinformed us about
+				# the status - i.e. service is actually not running
+				RETVAL=7
+			else
+				# postgresql died and pg_ctl has misinformed us about
+				# the status; remove pid file and start it again
+				deltext; died
+				rm -f $pgdir/postmaster.pid
+				pgstart "$pgdir"
+			fi
+		fi
+	done
+	pgsubsys
 	;;
-  restart|reload)
-	$0 stop
-	$0 start
+  init)
+	nls "Note: this is only simple init action for convenience."
+	nls "If you want some non-standard options, consider using initdb(1)."
+	echo
+	for pgdir in $DB_CLUSTERS; do
+		if [ -f $pgdir/PG_VERSION ]; then
+			echo $(nls "Skipping existing cluster %s" "$pgdir")
+		else
+			echo $(nls "Initializing cluster %s" "$pgdir")
+			mkdir -p $pgdir
+			chmod 700 $pgdir
+			chown postgres:postgres $pgdir
+			LC_ALL=$PG_INIT_LOCALE TMPDIR=/tmp su postgres -s /bin/sh -c "initdb -E UNICODE --data-checksums -D $pgdir"
+		fi
+	done
+	echo $(nls "REMEMBER to setup password for user \"postgres\"")'!'
 	;;
   *)
-	echo "Usage: postgresql {start|stop|status|restart|reload}"
-	exit 1
+	msg_usage "$0 {start|stop|init|restart|reload|force-reload|status}"
+	exit 3
 esac
 
-exit 0
+exit $RETVAL