aports/main/postgresql/postgresql.initd

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#!/sbin/runscript
# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-db/postgresql-server/files/postgresql.init-8.3,v 1.4 2008/09/28 22:53:02 caleb Exp $
# Modifications to support Alpine Linux pg-restore
opts="${opts} reload setup"
depend() {
use net
after firewall
}
checkconfig() {
[ -d "$PGDATA/base" ] && return 0
echo "checking config"
if [ -z "$AUTO_SETUP" ] ; then
eerror "Database not found at: $PGDATA"
eerror "Please make sure that PGDATA points to the right path."
eerror "You can run '/etc/init.d/postgresql setup' to setup a new database cluster."
return 1
fi
setup
}
start() {
checkconfig || return 1
ebegin "Starting PostgreSQL"
if [ -f "$PGDATA/postmaster.pid" ] ; then
rm -f "$PGDATA/postmaster.pid"
fi
local retval
su -l ${PGUSER} \
-c "env PGDATA=\"${PGDATA}\" /usr/bin/pg_ctl start ${WAIT_FOR_START} -o '--silent-mode=true ${PGOPTS}'" >/dev/null
retval=$?
[ $retval -ne 0 ] && eend $retval && return $retval
# The following is to catch the case of an already running server
# in which pg_ctl doesn't know to which server it connected to and false reports the server as 'up'
sleep 2
if [ ! -f "$PGDATA/postmaster.pid" ] ; then
eerror "The pid-file doesn't exist but pg_ctl reported a running server."
eerror "Please check whether there is another server running on the same port or read the log-file."
eend 1
return 1
fi
local pid=$(grep "^[0-9]\+" "$PGDATA/postmaster.pid")
test -d /proc/"${pid}"
eend $?
}
stop() {
ebegin "Stopping PostgreSQL (this can take up to $(( ${WAIT_FOR_DISCONNECT} + ${WAIT_FOR_CLEANUP} )) seconds)"
local retval
su -l ${PGUSER} \
-c "env PGDATA=\"${PGDATA}\" /usr/bin/pg_ctl stop -t ${WAIT_FOR_DISCONNECT} -m smart" >/dev/null
retval=$?
[ $retval -eq 0 ] && eend $retval && return $retval
ewarn "Some clients did not disconnect within ${WAIT_FOR_DISCONNECT} seconds."
ewarn "Going to shutdown the server anyway."
su -l ${PGUSER} \
-c "env PGDATA=\"${PGDATA}\" /usr/bin/pg_ctl stop -m fast" >/dev/null
retval=$?
[ $retval -eq 0 ] && eend $retval && return $retval
if [ ${WAIT_FOR_QUIT} -eq 0 ] ; then
eerror "Server did not shut down and sending the SIGQUIT has been disabled."
eend $retval
return $retval
fi
ewarn "Shutting down the server gracefully failed."
ewarn "Forcing it to shutdown which leads to a recover-run on next startup."
su -l ${PGUSER} \
-c "env PGDATA=\"${PGDATA}\" /usr/bin/pg_ctl stop -m immediate" >/dev/null
retval=$?
[ $retval -eq 0 ] && eend $retval && return $retval
eerror "Forced shutdown failed!!! Something is wrong with your system, please take care of it manually."
eend $?
}
reload() {
ebegin "Reloading PostgreSQL configuration"
su -l ${PGUSER} \
-c "env PGDATA=\"${PGDATA}\" /usr/bin/pg_ctl reload" >/dev/null
eend $?
}
setup() {
ebegin "Creating a new PostgreSQL database cluster"
if [ -d "${PGDATA}/base" ] ; then
eend 1 "${PGDATA}/base already exists"
return
fi
mkdir -p "${PGDATA}" 2>/dev/null
# If the pg_hba.conf and friends exist, move them
local tmpdir="$( dirname "$PGDATA" )/tmp"
mkdir -p "${tmpdir}" >/dev/null
echo mv "${PGDATA}"/* "${tmpdir}"
mv "${PGDATA}"/* "${tmpdir}" 2>/dev/null
rm -rf "${PGDATA}"/* 2>/dev/null
chown -Rf postgres:postgres "${PGDATA}"
chmod 0700 "${PGDATA}"
cd "${PGDATA}" # to avoid the: could not change directory to "/root"
su -c "/usr/bin/initdb --pgdata ${PGDATA}" postgres
einfo "You can use the '/etc/init.d/postgresql' script to run PostgreSQL instead"
einfo "of 'pg_ctl'."
local res=$?
# move the pg_hba.conf and friends
mv $tmpdir/* "$PGDATA" 2>/dev/null
rm -rf $tmpdir 2>/dev/null
# Do not send a SIGHUP to postmaster; its not necessary for a new database
# and allows pg-restore to do a blind restore of an old database
eend $res
}