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comparison init.d/celeryd @ 501:207f5f4d3f93

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created folder for init.d scripts
author Marcin Kuzminski <marcin@python-works.com>
date Thu, 23 Sep 2010 02:55:43 +0200
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500:5a650ddd50ab 501:207f5f4d3f93
1 #!/bin/sh -e
2 # ============================================
3 # celeryd - Starts the Celery worker daemon.
4 # ============================================
5 #
6 # :Usage: /etc/init.d/celeryd {start|stop|force-reload|restart|try-restart|status}
7 #
8 # :Configuration file: /etc/default/celeryd
9 #
10 # To configure celeryd you probably need to tell it where to chdir.
11 #
12 # EXAMPLE CONFIGURATION
13 # =====================
14 #
15 # this is an example configuration for a Python project:
16 #
17 # /etc/default/celeryd:
18 #
19 # # Where to chdir at start.
20 # CELERYD_CHDIR="/opt/Myproject/"
21 #
22 # # Extra arguments to celeryd
23 # CELERYD_OPTS="--time-limit 300"
24 #
25 # # Name of the celery config module.#
26 # CELERY_CONFIG_MODULE="celeryconfig"
27 #
28 # EXAMPLE DJANGO CONFIGURATION
29 # ============================
30 #
31 # # Where the Django project is.
32 # CELERYD_CHDIR="/opt/Project/"
33 #
34 # # Name of the projects settings module.
35 # DJANGO_SETTINGS_MODULE="settings"
36 #
37 # # Path to celeryd
38 # CELERYD="/opt/Project/manage.py celeryd"
39 #
40 # AVAILABLE OPTIONS
41 # =================
42 #
43 # * CELERYD_OPTS
44 # Additional arguments to celeryd, see ``celeryd --help`` for a list.
45 #
46 # * CELERYD_CHDIR
47 # Path to chdir at start. Default is to stay in the current directory.
48 #
49 # * CELERYD_PIDFILE
50 # Full path to the pidfile. Default is /var/run/celeryd.pid.
51 #
52 # * CELERYD_LOGFILE
53 # Full path to the celeryd logfile. Default is /var/log/celeryd.log
54 #
55 # * CELERYD_LOG_LEVEL
56 # Log level to use for celeryd. Default is INFO.
57 #
58 # * CELERYD
59 # Path to the celeryd program. Default is ``celeryd``.
60 # You can point this to an virtualenv, or even use manage.py for django.
61 #
62 # * CELERYD_USER
63 # User to run celeryd as. Default is current user.
64 #
65 # * CELERYD_GROUP
66 # Group to run celeryd as. Default is current user.
67
68
69 ### BEGIN INIT INFO
70 # Provides: celeryd
71 # Required-Start: $network $local_fs $remote_fs
72 # Required-Stop: $network $local_fs $remote_fs
73 # Default-Start: 2 3 4 5
74 # Default-Stop: 0 1 6
75 # Short-Description: celery task worker daemon
76 ### END INIT INFO
77
78 set -e
79 CELERYD_CHDIR="/opt/Myproject/"
80 CELERYD_PID_FILE="/var/run/celeryd.pid"
81 CELERYD_LOG_FILE="/var/log/celeryd.log"
82 CELERYD_LOG_LEVEL="DEBUG"
83 DEFAULT_CELERYD="/home/v-env/celeryd"
84
85 # /etc/init.d/ssh: start and stop the celery task worker daemon.
86
87 if test -f /etc/default/celeryd; then
88 . /etc/default/celeryd
89 fi
90
91 CELERYD=${CELERYD:-$DEFAULT_CELERYD}
92
93 export CELERY_LOADER
94
95 . /lib/lsb/init-functions
96
97 CELERYD_OPTS="$CELERYD_OPTS -f $CELERYD_LOG_FILE -l $CELERYD_LOG_LEVEL"
98
99 if [ -n "$2" ]; then
100 CELERYD_OPTS="$CELERYD_OPTS $2"
101 fi
102
103 # Extra start-stop-daemon options, like user/group.
104 if [ -n "$CELERYD_USER" ]; then
105 DAEMON_OPTS="$DAEMON_OPTS --chuid $CELERYD_USER"
106 fi
107 if [ -n "$CELERYD_GROUP" ]; then
108 DAEMON_OPTS="$DAEMON_OPTS --group $CELERYD_GROUP"
109 fi
110
111 if [ -n "$CELERYD_CHDIR" ]; then
112 DAEMON_OPTS="$DAEMON_OPTS --chdir $CELERYD_CHDIR"
113 fi
114
115
116 # Are we running from init?
117 run_by_init() {
118 ([ "$previous" ] && [ "$runlevel" ]) || [ "$runlevel" = S ]
119 }
120
121
122 check_dev_null() {
123 if [ ! -c /dev/null ]; then
124 if [ "$1" = log_end_msg ]; then
125 log_end_msg 1 || true
126 fi
127 if ! run_by_init; then
128 log_action_msg "/dev/null is not a character device!"
129 fi
130 exit 1
131 fi
132 }
133
134
135 export PATH="${PATH:+$PATH:}/usr/sbin:/sbin"
136
137
138 stop_worker () {
139 cmd="start-stop-daemon --stop \
140 --quiet \
141 $* \
142 --pidfile $CELERYD_PID_FILE"
143 if $cmd; then
144 log_end_msg 0
145 else
146 log_end_msg 1
147 fi
148 }
149
150 start_worker () {
151 cmd="start-stop-daemon --start $DAEMON_OPTS \
152 --quiet \
153 --oknodo \
154 --background \
155 --make-pidfile \
156 $* \
157 --pidfile $CELERYD_PID_FILE
158 --exec $CELERYD -- $CELERYD_OPTS"
159 if $cmd; then
160 log_end_msg 0
161 else
162 log_end_msg 1
163 fi
164 }
165
166
167
168 case "$1" in
169 start)
170 check_dev_null
171 log_daemon_msg "Starting celery task worker server" "celeryd"
172 start_worker
173 ;;
174 stop)
175 log_daemon_msg "Stopping celery task worker server" "celeryd"
176 stop_worker --oknodo
177 ;;
178
179 reload|force-reload)
180 echo "Use start+stop"
181 ;;
182
183 restart)
184 log_daemon_msg "Restarting celery task worker server" "celeryd"
185 stop_worker --oknodo --retry 30
186 check_dev_null log_end_msg
187 start_worker
188 ;;
189
190 try-restart)
191 log_daemon_msg "Restarting celery task worker server" "celeryd"
192 set +e
193 stop_worker --retry 30
194 RET="$?"
195 set -e
196 case $RET in
197 0)
198 # old daemon stopped
199 check_dev_null log_end_msg
200 start_worker
201 ;;
202 1)
203 # daemon not running
204 log_progress_msg "(not running)"
205 log_end_msg 0
206 ;;
207 *)
208 # failed to stop
209 log_progress_msg "(failed to stop)"
210 log_end_msg 1
211 ;;
212 esac
213 ;;
214
215 status)
216 status_of_proc -p $CELERYD_PID_FILE $CELERYD celeryd && exit 0 || exit $?
217 ;;
218
219 *)
220 log_action_msg "Usage: /etc/init.d/celeryd {start|stop|force-reload|restart|try-restart|status}"
221 exit 1
222 esac
223
224 exit 0