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#! /bin/sh
### BEGIN INIT INFO
# Provides: groonga-httpd
# Required-Start: $remote_fs $network
# Required-Stop: $remote_fs $network
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: groonga-httpd's init script
# Description: groonga-httpd is a HTTP server for groonga.
### END INIT INFO
# Author: Kouhei Sutou <kou@clear-code.com>
# Do NOT "set -e"
# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="a HTTP server for groonga which provides full-text search engine and column store"
NAME=groonga-httpd
DAEMON=/usr/sbin/$NAME
DAEMON_RESTART=/usr/sbin/$NAME-restart
CURL=/usr/bin/curl
USER=groonga
GROUP=groonga
ADDRESS=127.0.0.1
PORT=10041
PIDFILE=/var/run/groonga/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
OPTION_ARGS=""
START_STOP_DAEMON_ARGS=""
ENABLE="no"
TIMEOUT=5
DEFAULT_FILE=/etc/default/groonga-httpd
# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0
# Read configuration variable file if it is present
[ -r $DEFAULT_FILE ] && . $DEFAULT_FILE
[ "$ENABLE" = "yes" ] || exit 0
export GRN_JA_SKIP_SAME_VALUE_PUT="$GRN_JA_SKIP_SAME_VALUE_PUT"
mkdir -p $(dirname ${PIDFILE})
if [ -n "${USER}" ]; then
if ! getent passwd | grep -q "^${USER}:"; then
echo "$0: user for running groonga-httpd doesn't exist: ${USER}" >&2
exit 1
fi
fi
if [ -n "${GROUP}" ]; then
if ! getent group | grep -q "^${GROUP}:"; then
echo "$0: group for running groonga-httpd doesn't exist: ${GROUP}" >&2
exit 1
fi
fi
DAEMON_ARGS="${DAEMON_ARGS} ${OPTION_ARGS}"
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions
send_command()
{
command=$1
if [ "$command" = "status" ]; then
$CURL --max-time $TIMEOUT "http://${ADDRESS}:${PORT}/d/${command}"
else
$CURL "http://${ADDRESS}:${PORT}/d/${command}"
fi
}
#
# Function that starts the daemon/service
#
do_start()
{
# Return
# 0 if daemon has been started
# 1 if daemon was already running
# 2 if daemon could not be started
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON \
${START_STOP_DAEMON_ARGS} --test > /dev/null || return 1
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON \
${START_STOP_DAEMON_ARGS} -- $DAEMON_ARGS || return 2
# Add code here, if necessary, that waits for the process to be ready
# to handle requests from services started subsequently which depend
# on this one. As a last resort, sleep for some time.
}
#
# Function that stops the daemon/service
#
do_stop()
{
# Return
# 0 if daemon has been stopped
# 1 if daemon was already stopped
# 2 if daemon could not be stopped
# other if a failure occurred
$DAEMON -s stop
start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 \
--pidfile $PIDFILE --name $NAME
RETVAL="$?"
[ "$RETVAL" = 2 ] && return 2
# Wait for children to finish too if this is a daemon that forks
# and if the daemon is only ever run from this initscript.
# If the above conditions are not satisfied then add some other code
# that waits for the process to drop all resources that could be
# needed by services started subsequently. A last resort is to
# sleep for some time.
start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
[ "$?" = 2 ] && return 2
# Many daemons don't delete their pidfiles when they exit.
rm -f $PIDFILE
return "$RETVAL"
}
#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
#
# If the daemon can reload its configuration without
# restarting (for example, when it is sent a SIGHUP),
# then implement that here.
#
start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
return 0
}
do_status() {
send_command status
return $?
}
case "$1" in
start)
[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
do_start
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
stop)
[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
do_stop
case "$?" in
0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
esac
;;
reload|force-reload)
log_daemon_msg "Reloading $DESC" "$NAME"
do_reload
log_end_msg $?
;;
restart)
log_daemon_msg "Restarting $DESC" "$NAME"
if [ -f ${PIDFILE} ]; then
$DAEMON_RESTART
else
do_start
fi
case "$?" in
0) log_end_msg 0 ;;
*) log_end_msg 1 ;;
esac
;;
status)
do_status
case "$?" in
0) ;; # service is OK
*) exit 3 ;; # program is not running
esac
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload|status}" >&2
exit 3
;;
esac
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