welco/debian/welco.init

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#!/bin/sh -e
### BEGIN INIT INFO
# Provides: welco
# Required-Start: $network $local_fs $remote_fs $syslog
# Required-Stop: $network $local_fs $remote_fs $syslog
# Should-start: postgresql
# Should-stop: postgresql
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Multichannel request processing
# Description: Multichannel request processing
### END INIT INFO
# Author: Entr'ouvert <info@entrouvert.com>
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Multichannel request processing"
NAME=welco
DAEMON=/usr/bin/uwsgi
RUN_DIR=/run/$NAME
PIDFILE=$RUN_DIR/$NAME.pid
LOG_DIR=/var/log/$NAME
SCRIPTNAME=/etc/init.d/$NAME
BIND=unix:$RUN_DIR/$NAME.sock
WELCO_SETTINGS_FILE=/usr/lib/$NAME/debian_config.py
MANAGE_SCRIPT="/usr/bin/$NAME-manage"
USER=$NAME
GROUP=$NAME
# Exit if the package is not installed
[ -x $MANAGE_SCRIPT ] || exit 0
# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME
DAEMON_ARGS=${DAEMON_ARGS:-"--pidfile=$PIDFILE
--uid $USER --gid $GROUP
--ini /etc/$NAME/uwsgi.ini
--daemonize /var/log/uwsgi.$NAME.log"}
# 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
# Create /run directory
if [ ! -d $RUN_DIR ]; then
install -d -m 755 -o $USER -g $GROUP $RUN_DIR
fi
# environment for wsgi
export WELCO_SETTINGS_FILE
#
# 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 --user $USER --exec $DAEMON -- \
$DAEMON_ARGS \
|| return 2
}
#
# 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 --stop $PIDFILE
rm -f $PIDFILE
return 0 # hopefully
}
#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
$DAEMON --reload $PIDFILE
return 0
}
do_migrate() {
log_action_msg "Applying migrations (migrate_schemas).."
su $USER -s /bin/sh -p -c "$MANAGE_SCRIPT migrate_schemas --noinput"
log_action_msg "done"
}
do_collectstatic() {
log_action_msg "Collect static files (collectstatic).."
su $USER -s /bin/sh -p -c "$MANAGE_SCRIPT collectstatic --noinput"
log_action_msg "done"
}
case "$1" in
start)
log_daemon_msg "Starting $DESC " "$NAME"
do_migrate
do_collectstatic
do_start
case "$?" in
0|1) log_end_msg 0 ;;
2) log_end_msg 1 ;;
esac
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
do_stop
case "$?" in
0|1) log_end_msg 0 ;;
2) log_end_msg 1 ;;
esac
;;
status)
status_of_proc -p $PIDFILE "$DAEMON" "$NAME" && exit 0 || exit $?
;;
reload|force-reload)
#
# If do_reload() is not implemented then leave this commented out
# and leave 'force-reload' as an alias for 'restart'.
#
log_daemon_msg "Reloading $DESC" "$NAME"
do_reload
log_end_msg $?
;;
restart|force-reload)
#
# If the "reload" option is implemented then remove the
# 'force-reload' alias
#
log_daemon_msg "Restarting $DESC" "$NAME"
do_stop
case "$?" in
0|1)
do_migrate
do_collectstatic
do_start
case "$?" in
0) log_end_msg 0 ;;
1) log_end_msg 1 ;; # Old process is still running
*) log_end_msg 1 ;; # Failed to start
esac
;;
*)
# Failed to stop
log_end_msg 1
;;
esac
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|status|restart|reload|force-reload}" >&2
exit 3
;;
esac