aboutsummaryrefslogtreecommitdiff
path: root/system/postgresql/rc.postgresql.new
blob: f4475f36058b133ba707174aace6c394fed21fdc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
#!/bin/bash

# PostgreSQL startup script for Slackware Linux
#
# $Revision: 61c366027519 $
# $Date: 2014/03/08 06:55:06 $
#
# Copyright 2007-2014 Adis Nezirovic <adis_at_linux.org.ba>
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# Do not source this script (since it contains exit() calls)
#
# Since version 9.3 this startup script can run multiple PostgreSQL
# versions on different ports and with different data dirs.
# 
# e.g. PG_VERSION=9.4 PG_PORT=6432 /etc/rc.d/rc.@PRGNAM@ start

PG_VERSION=${PG_VERSION:-@PG_VERSION@}
PG_PORT=${PG_PORT:-@PG_PORT@}
LIBDIRSUFFIX="@LIBDIRSUFFIX@"
LOGFILE=/var/log/@PRGNAM@-$PG_VERSION
DATADIR=/var/lib/pgsql/$PG_VERSION/data
POSTGRES=/usr/lib${LIBDIRSUFFIX}/@PRGNAM@/$PG_VERSION/bin/postgres
PG_CTL=/usr/lib${LIBDIRSUFFIX}/@PRGNAM@/$PG_VERSION/bin/pg_ctl
PIDFILE=$DATADIR/postmaster.pid

# oom-killer score
# if defined and set to -1000, main postmaster wont be killed
# by Linux OOM killer, but individual backends still could be
# (since OOM_SCORE_ADJ in SlackBuild is set to 0)
#
# http://www.kernel.org/doc/Documentation/filesystems/proc.txt
OOM_SCORE_ADJ=-1000

# Return values (according to LSB):
# 0 - success
# 1 - generic or unspecified error
# 2 - invalid or excess argument(s)
# 3 - unimplemented feature (e.g. "reload")
# 4 - insufficient privilege
# 5 - program is not installed
# 6 - program is not configured
# 7 - program is not running

pg_ctl()
{
	CMD="$PG_CTL -o '-p $PG_PORT' $@"
	su - postgres -c "$CMD"
}

if [ ! -f $POSTGRES ]; then
	echo "Could not find 'postgres' binary. Maybe PostgreSQL is not installed properly?"
	exit 5
fi

case "$1" in

	"start")
		echo "Starting PostgreSQL"
		touch $LOGFILE
		chown postgres:wheel $LOGFILE
		chmod 0640 $LOGFILE
	
		if [ ! -e $DATADIR/PG_VERSION ]; then
			echo "You should initialize the PostgreSQL database at location $DATADIR"
			echo "e.g. su postgres -c \"initdb -D $DATADIR --locale=en_US.UTF-8 -A md5 -W\""
			exit 6
		fi
	
		if [ $(pgrep -f $POSTGRES) ]; then

			echo "PostgreSQL daemon already running"
			if [ ! -f $PIDFILE ]; then
				echo "Warning: Missing pid file $PIDFILE"
			fi
			exit 1

		else # remove old socket, if it exists and no daemon is running.

			if [ ! -f $PIDFILE ]; then
				rm -f /tmp/.s.PGSQL.$PG_PORT
				rm -f /tmp/.s.PGSQL.$PG_PORT.lock
				test x"$OOM_SCORE_ADJ" != x && echo "$OOM_SCORE_ADJ" > /proc/self/oom_score_adj
				pg_ctl start -w -l $LOGFILE -D $DATADIR
				exit 0
			else
				echo "PostgreSQL daemon was not properly shut down"
				echo "Please remove stale pid file $PIDFILE"
				exit 7
			fi

		fi	
	;;

	"stop")
		echo "Shutting down PostgreSQL..."
		pg_ctl stop -l $LOGFILE -D $DATADIR -m smart
	;;

	"force-stop")
		# Take care! This will kill _all_ client connections
		# and rollback current transactions.
		echo "Shutting down PostgreSQL (fast)..."
		pg_ctl stop -l $LOGFILE -D $DATADIR -m fast
	;;
	
	"unclean-stop")
		# Take care! This will abort server process itself
		# resulting with database recovery on next start.
		echo "Shutting down PostgreSQL (immediate)..."
		pg_ctl stop -l $LOGFILE -D $DATADIR -m immediate
	;;

	"restart")
		echo "Restarting PostgreSQL..."
		test x"$OOM_SCORE_ADJ" != x && echo "$OOM_SCORE_ADJ" > /proc/self/oom_score_adj
		pg_ctl restart -l $LOGFILE -D $DATADIR -m smart
	;;

	"force-restart")
		# Take care! This will kill _all_ client connections
		# and rollback current transactions.
		echo "Restarting PostgreSQL (fast)..."
		pg_ctl restart -l $LOGFILE -D $DATADIR -m fast
	;;

	"unclean-restart")
		# Take care: This will abort server process itself
		# resulting with database recovery on start.
		echo "Restarting PostgreSQL (immediate)..."
		pg_ctl restart -l $LOGFILE -D $DATADIR -m immediate
	;;

	"reload")
		echo "Reloading configuration for PostgreSQL..."
		pg_ctl reload -l $LOGFILE -D $DATADIR -m smart
	;;

	"status")
		if [ $(pgrep -f $POSTGRES) ]; then
			echo "PostgreSQL is running"

			if [ ! -e $PIDFILE ]; then
				echo "Warning: Missing pid file $PIDFILE"
			fi

			exit 0
		else
			echo "PostgreSQL is stopped"

			if [ -e $PIDFILE ]; then
				echo "Detected stale pid file $PIDFILE"
			fi

			exit 0
		fi
	;;

	*)
		# unclean-stop and unclean-restart are not documented on purpose.
		echo "Usage: $0 {start|stop|force-stop|status|restart|force-restart|reload}"
		exit 1
	;;
esac