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@anl anl/slapd.init
Created Jan 6, 2011

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#!/bin/sh
### BEGIN INIT INFO
# Provides: slapd
# Required-Start: $remote_fs $network $syslog
# Required-Stop: $remote_fs $network $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: OpenLDAP standalone server (Lightweight Directory Access Protocol)
### END INIT INFO
# Specify path variable
PATH=/sbin:/usr/sbin:/bin:/usr/bin
# Kill me on all errors
set -e
# Set the paths to slapd as a variable so that someone who really
# wants to can override the path in /etc/default/slapd.
SLAPD=/opt/openldap/libexec/slapd
# Stop processing if slapd is not there
[ -x $SLAPD ] || exit 0
# debconf may have this file descriptor open and it makes things work a bit
# more reliably if we redirect it as a matter of course. db_stop will take
# care of this, but this won't hurt.
exec 3>/dev/null
# Source the init script configuration
if [ -f "/etc/default/slapd" ]; then
. /etc/default/slapd
fi
# Load the default location of the slapd config file
if [ -z "$SLAPD_CONF" ]; then
SLAPD_CONF="/etc/ldap/slapd.d/"
fi
# Stop processing if the config file is not there
if [ ! -r "$SLAPD_CONF" ]; then
cat <<EOF >&2
No configuration directory was found for slapd at $SLAPD_CONF.
If you have moved the slapd configuration directory please modify
/etc/default/slapd to reflect this. If you chose to not
configure slapd during installation then you need to do so
prior to attempting to start slapd.
EOF
exit 0 # Should this be 1?
fi
# Find out the name of slapd's pid file
if [ -z "$SLAPD_PIDFILE" ]; then
# If using old one-file configuration scheme
if [ -f "$SLAPD_CONF" ] ; then
SLAPD_PIDFILE=`sed -ne 's/^pidfile[[:space:]]\+\(.\+\)/\1/p' \
"$SLAPD_CONF"`
# Else, if using new directory configuration scheme
elif [ -d "$SLAPD_CONF" ] ; then
SLAPD_PIDFILE=`sed -ne \
's/^olcPidFile:[[:space:]]\+\(.\+\)[[:space:]]*/\1/p' \
"$SLAPD_CONF"/'cn=config.ldif'`
fi
fi
# Set the correct config option according to the configuration backend.
if [ -d "$SLAPD_CONF" ] ; then
SLAPD_OPTIONS="-F $SLAPD_CONF $SLAPD_OPTIONS"
else
SLAPD_OPTIONS="-f $SLAPD_CONF $SLAPD_OPTIONS"
fi
# XXX: Breaks upgrading if there is no pidfile (invoke-rc.d stop will fail)
# -- Torsten
if [ -z "$SLAPD_PIDFILE" ]; then
cat <<EOF >&2
The pidfile for slapd is neither specified in "$SLAPD_CONF" nor
in /etc/default/slapd. Consequently, slapd will not be started.
EOF
exit 1
fi
# Make sure the pidfile directory exists with correct permissions
piddir=`dirname "$SLAPD_PIDFILE"`
if [ ! -d "$piddir" ]; then
mkdir -p "$piddir"
[ -z "$SLAPD_USER" ] || chown -R "$SLAPD_USER" "$piddir"
[ -z "$SLAPD_GROUP" ] || chgrp -R "$SLAPD_GROUP" "$piddir"
fi
# Pass the user and group to run under to slapd
if [ "$SLAPD_USER" ]; then
SLAPD_OPTIONS="-u $SLAPD_USER $SLAPD_OPTIONS"
fi
if [ "$SLAPD_GROUP" ]; then
SLAPD_OPTIONS="-g $SLAPD_GROUP $SLAPD_OPTIONS"
fi
# Check whether we were configured to not start the services.
check_for_no_start() {
if [ -n "$SLAPD_NO_START" ]; then
echo 'Not starting slapd: SLAPD_NO_START set in /etc/default/slapd' >&2
exit 0
fi
if [ -n "$SLAPD_SENTINEL_FILE" ] && [ -e "$SLAPD_SENTINEL_FILE" ]; then
echo "Not starting slapd: $SLAPD_SENTINEL_FILE exists" >&2
exit 0
fi
}
# Tell the user that something went wrong and give some hints for
# resolving the problem.
report_failure() {
if [ -n "$reason" ]; then
echo " - failed: "
echo "$reason"
else
echo " - failed."
cat <<EOF
The operation failed but no output was produced. For hints on what went
wrong please refer to the system's logfiles (e.g. /var/log/syslog) or
try running the daemon in Debug mode like via "slapd -d 16383" (warning:
this will create copious output).
EOF
if [ -n "$SLAPD_OPTIONS" -o \
-n "$SLAPD_SERVICES" ]; then
cat << EOF
Below, you can find the command line options used by this script to
run slapd. Do not forget to specify those options if you
want to look to debugging output:
EOF
if [ -z "$SLAPD_SERVICES" ]; then
if [ -n "$SLAPD_OPTIONS" ]; then
echo " slapd $SLAPD_OPTIONS"
fi
else
echo " slapd -h '$SLAPD_SERVICES' $SLAPD_OPTIONS"
fi
fi
fi
}
# Start the slapd daemon and capture the error message if any to
# $reason.
start_slapd() {
echo -n " slapd"
if [ -z "$SLAPD_SERVICES" ]; then
reason="`start-stop-daemon --start --quiet --oknodo \
--pidfile "$SLAPD_PIDFILE" \
--exec $SLAPD -- $SLAPD_OPTIONS 2>&1`"
else
reason="`start-stop-daemon --start --quiet --oknodo \
--pidfile "$SLAPD_PIDFILE" \
--exec $SLAPD -- -h "$SLAPD_SERVICES" $SLAPD_OPTIONS 2>&1`"
fi
# Backward compatibility with OpenLDAP 2.1 client libraries.
if [ ! -h /var/run/ldapi ] && [ ! -e /var/run/ldapi ] ; then
ln -s slapd/ldapi /var/run/ldapi
fi
}
# Stop the slapd daemon and capture the error message (if any) to
# $reason.
stop_slapd() {
echo -n " slapd"
reason="`start-stop-daemon --stop --quiet --oknodo --retry TERM/10 \
--pidfile "$SLAPD_PIDFILE" \
--exec $SLAPD 2>&1`"
}
# Start the OpenLDAP daemons
start_ldap() {
echo -n "Starting OpenLDAP:"
trap 'report_failure' 0
start_slapd
trap "-" 0
echo .
}
# Stop the OpenLDAP daemons
stop_ldap() {
echo -n "Stopping OpenLDAP:"
trap 'report_failure' 0
stop_slapd
trap "-" 0
echo .
}
# Check OpenLDAP status
status_slapd() {
# No PID
if [ ! -f $SLAPD_PIDFILE ]; then
echo "OpenLDAP is NOT running"
exit 3
fi
# Bogus PID
for pid in $(cat $SLAPD_PIDFILE) ; do
if ! ps --noheaders p "$pid" | grep $SLAPD > /dev/null ; then
echo "OpenLDAP is NOT running, bogus pidfile found: '$SLAPD_PIDFILE'"
exit 1
fi
done
# Running PID
echo "OpenLDAP is running"
exit 0
}
case "$1" in
start)
check_for_no_start
start_ldap ;;
stop)
stop_ldap ;;
restart|force-reload)
check_for_no_start
stop_ldap
start_ldap
;;
status)
status_slapd ;;
*)
echo "Usage: $0 {start|stop|restart|force-reload|status}"
exit 1
;;
esac
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