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postgresql/rc.postgresql.new
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171
postgresql/rc.postgresql.new
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#!/bin/bash
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# PostgreSQL startup script for Slackware Linux
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#
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# $Revision$
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# $Date$
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#
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# Copyright 2007-2018 Adis Nezirovic <adis_at_linux.org.ba>
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# All rights reserved.
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#
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# Redistribution and use of this script, with or without modification, is
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# permitted provided that the following conditions are met:
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#
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# 1. Redistributions of this script must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
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# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Do not source this script (since it contains exit() calls)
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#
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# Since version 9.3 this startup script can run multiple PostgreSQL
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# versions on different ports and with different data dirs.
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#
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# e.g. PG_VERSION=10.10 PG_PORT=6432 /etc/rc.d/rc.@PRGNAM@ start
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PG_VERSION=${PG_VERSION:-@PG_VERSION@}
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PG_PORT=${PG_PORT:-@PG_PORT@}
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LIBDIRSUFFIX="@LIBDIRSUFFIX@"
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LOGFILE=/var/log/@PRGNAM@-$PG_VERSION
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DATADIR=/var/lib/pgsql/$PG_VERSION/data
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POSTGRES=/usr/lib${LIBDIRSUFFIX}/@PRGNAM@/$PG_VERSION/bin/postgres
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PG_CTL=/usr/lib${LIBDIRSUFFIX}/@PRGNAM@/$PG_VERSION/bin/pg_ctl
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PIDFILE=$DATADIR/postmaster.pid
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# oom-killer score
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#
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# http://www.postgresql.org/docs/10.2/static/kernel-resources.html#LINUX-MEMORY-OVERCOMMIT
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PG_OOM_ADJUST_FILE=/proc/self/oom_score_adj
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PG_MASTER_OOM_SCORE_ADJ=-1000
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PG_CHILD_OOM_SCORE_ADJ=0
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PG_ENV="PG_OOM_ADJUST_FILE=$PG_OOM_ADJUST_FILE PG_OOM_ADJUST_VALUE=$PG_CHILD_OOM_SCORE_ADJ"
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# Return values (according to LSB):
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# 0 - success
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# 1 - generic or unspecified error
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# 2 - invalid or excess argument(s)
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# 3 - unimplemented feature (e.g. "reload")
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# 4 - insufficient privilege
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# 5 - program is not installed
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# 6 - program is not configured
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# 7 - program is not running
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pg_ctl()
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{
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CMD="$PG_CTL -o '-p $PG_PORT' $@"
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su - postgres -c "$PG_ENV $CMD"
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}
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if [ ! -f $POSTGRES ]; then
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echo "Could not find 'postgres' binary. Maybe PostgreSQL is not installed properly?"
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exit 5
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fi
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case "$1" in
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"start")
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echo "Starting PostgreSQL"
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touch $LOGFILE
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chown postgres:wheel $LOGFILE
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chmod 0640 $LOGFILE
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if [ ! -e $DATADIR/PG_VERSION ]; then
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echo "You should initialize the PostgreSQL database at location $DATADIR"
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echo "e.g. su postgres -c \"initdb -D $DATADIR --locale=en_US.UTF-8 -A md5 -W\""
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exit 6
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fi
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if [ $(pgrep -f $POSTGRES) ]; then
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echo "PostgreSQL daemon already running"
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if [ ! -f $PIDFILE ]; then
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echo "Warning: Missing pid file $PIDFILE"
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fi
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exit 1
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else
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test -e "$PG_OOM_ADJUST_FILE" && echo "$PG_MASTER_OOM_SCORE_ADJ" > "$PG_OOM_ADJUST_FILE"
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pg_ctl start -w -l $LOGFILE -D $DATADIR
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exit 0
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fi
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;;
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"stop")
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echo "Shutting down PostgreSQL..."
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pg_ctl stop -l $LOGFILE -D $DATADIR -m smart
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;;
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"force-stop")
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# Take care! This will kill _all_ client connections
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# and rollback current transactions.
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echo "Shutting down PostgreSQL (fast)..."
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pg_ctl stop -l $LOGFILE -D $DATADIR -m fast
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;;
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"unclean-stop")
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# Take care! This will abort server process itself
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# resulting with database recovery on next start.
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echo "Shutting down PostgreSQL (immediate)..."
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pg_ctl stop -l $LOGFILE -D $DATADIR -m immediate
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;;
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"restart")
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echo "Restarting PostgreSQL..."
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test -e "$PG_OOM_ADJUST_FILE" && echo "$PG_MASTER_OOM_SCORE_ADJ" > "$PG_OOM_ADJUST_FILE"
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pg_ctl restart -l $LOGFILE -D $DATADIR -m smart
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;;
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"force-restart")
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# Take care! This will kill _all_ client connections
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# and rollback current transactions.
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echo "Restarting PostgreSQL (fast)..."
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pg_ctl restart -l $LOGFILE -D $DATADIR -m fast
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;;
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"unclean-restart")
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# Take care: This will abort server process itself
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# resulting with database recovery on start.
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echo "Restarting PostgreSQL (immediate)..."
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pg_ctl restart -l $LOGFILE -D $DATADIR -m immediate
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;;
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"reload")
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echo "Reloading configuration for PostgreSQL..."
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pg_ctl reload -l $LOGFILE -D $DATADIR -m smart
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;;
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"status")
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if [ $(pgrep -f $POSTGRES) ]; then
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echo "PostgreSQL is running"
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if [ ! -e $PIDFILE ]; then
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echo "Warning: Missing pid file $PIDFILE"
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fi
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exit 0
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else
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echo "PostgreSQL is stopped"
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if [ -e $PIDFILE ]; then
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echo "Detected stale pid file $PIDFILE"
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fi
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exit 0
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fi
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;;
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*)
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# unclean-stop and unclean-restart are not documented on purpose.
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echo "Usage: $0 {start|stop|force-stop|status|restart|force-restart|reload}"
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exit 1
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;;
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esac
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