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#!/bin/sh
### BEGIN INIT INFO
# Provides: hex-zero
# Required-Start: $local_fs $network $remote_fs $syslog
# Required-Stop: $local_fs $network $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: 0x0 file hosting service
# Description: Python3 Flask application that presents a basic file hosting service
### END INIT INFO
# Author: B. Stack <bgstack15@gmail.com>
# Do NOT "set -e"
# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="hex-zero"
NAME=hex-zero
DAEMON=/var/www/0x0/hex-zero.wsgi
DAEMON_ARGS=""
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
USER=hex-zero
# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0
# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions
#
# 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 --chuid $USER --group $USER --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
# || return 1
#start-stop-daemon --start --quiet --chuid $USER --group $USER --background --pidfile $PIDFILE --exec $DAEMON -- \
# $DAEMON_ARGS \
# || return 2
#su $USER -c "$DAEMON" &
# The above code will not work for interpreted scripts, use the next
# six lines below instead (Ref: #643337, start-stop-daemon(8) )
test -r /var/www/0x0/check-for-short_url.sh && {
/bin/sh /var/www/0x0/check-for-short_url.sh || {
# the init script is somehow prevent all displayed output even when directly outputing it to /dev/pts/3
echo "Please run something similar to the following, before running hex-zero:"
echo "sudo su ${USER} -c 'pip3 --user install short_url'"
exit 1
}
}
start-stop-daemon --start --pidfile $PIDFILE --startas $DAEMON \
--name uwsgi_python3 --test > /dev/null \
|| return 1
start-stop-daemon --start --background --pidfile $PIDFILE --startas $DAEMON \
--name uwsgi_python3 -- $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
#start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --user $USER --pidfile $PIDFILE
/usr/bin/uwsgi_python3 --stop $PIDFILE 2>/dev/null
RETVAL="$?"
[ "$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 --user $USER --pidfile $PIDFILE
[ "$?" = 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 uwsgi_python3
return 0
}
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
;;
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 "$?" in
0|1)
do_start
case "$?" 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|restart|reload|force-reload}" >&2
echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
exit 3
;;
esac
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