Added contrib/debian/init.d/celeryevcam

Author: Ask Solem

contrib/debian/init.d/celeryevcam

@@ -0,0 +1,241 @@
+#!/bin/sh -e
+# ============================================
+#  celeryd - Starts the Celery worker daemon.
+# ============================================
+#
+# :Usage: /etc/init.d/celeryd {start|stop|force-reload|restart|try-restart|status}
+#
+# :Configuration file: /etc/default/celeryd
+#
+# To configure celeryd you probably need to tell it where to chdir.
+#
+# EXAMPLE CONFIGURATION
+# =====================
+#
+# this is an example configuration for a Python project:
+#
+# /etc/default/celeryd:
+#
+#   # Where to chdir at start.
+#   CELERYD_CHDIR="/opt/Myproject/"
+#
+#   # Extra arguments to celeryev
+#   CELERYEV_OPTS="-x"
+#
+#   # Name of the celery config module.#
+#   CELERY_CONFIG_MODULE="celeryconfig"
+#
+#   # Camera class to use (required)
+#   CELERYEV_CAM = "myapp.Camera"
+#
+# EXAMPLE DJANGO CONFIGURATION
+# ============================
+#
+#   # Where the Django project is.
+#   CELERYD_CHDIR="/opt/Project/"
+#
+#   # Name of the projects settings module.
+#   DJANGO_SETTINGS_MODULE="settings"
+#
+#   # Path to celeryd
+#   CELERYEV="/opt/Project/manage.py celeryev"
+#
+#   # Camera class to use (required)
+#   CELERYEV_CAM = "djcelery.snapshot.Camera"
+#
+# AVAILABLE OPTIONS
+# =================
+#
+#   * CELERYEV_OPTS
+#       Additional arguments to celeryd, see ``celeryd --help`` for a list.
+#
+#   * CELERYD_CHDIR
+#       Path to chdir at start. Default is to stay in the current directory.
+#
+#   * CELERYEV_PIDFILE
+#       Full path to the pidfile. Default is /var/run/celeryd.pid.
+#
+#   * CELERYEV_LOGFILE
+#       Full path to the celeryd logfile. Default is /var/log/celeryd.log
+#
+#   * CELERYEV_LOG_LEVEL
+#       Log level to use for celeryd. Default is INFO.
+#
+#   * CELERYEV
+#       Path to the celeryev program. Default is ``celeryev``.
+#       You can point this to an virtualenv, or even use manage.py for django.
+#
+#   * CELERYEV_USER
+#       User to run celeryev as. Default is current user.
+#
+#   * CELERYEV_GROUP
+#       Group to run celeryev as. Default is current user.
+
+
+### BEGIN INIT INFO
+# Provides:          celeryev
+# Required-Start:    $network $local_fs $remote_fs
+# Required-Stop:     $network $local_fs $remote_fs
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: celery event snapshots
+### END INIT INFO
+
+set -e
+
+CELERYEV_PID_FILE="/var/run/celeryev.pid"
+CELERYEV_LOG_FILE="/var/log/celeryev.log"
+CELERYEV_LOG_LEVEL="INFO"
+DEFAULT_CELERYEV="/usr/bin/celeryev"
+
+if test -f /etc/default/celeryd; then
+    . /etc/default/celeryd
+fi
+
+if test -f /etc/default/celeryev; then
+    . /etc/default/celeryev
+fi
+
+CELERYEV=${CELERYEV:-$DEFAULT_CELERYEV}
+
+export CELERY_LOADER
+
+. /lib/lsb/init-functions
+
+CELERYEV_OPTS="$CELERYEV_OPTS -f $CELERYEV_LOG_FILE -l $CELERYEV_LOG_LEVEL"
+
+if [ -z "$CELERYEV_CAM" ]; then
+    echo "Missing CELERYEV_CAM variable" 1>&2
+    exit
+fi
+
+CELERYEV_OPTS="$CELERYEV_OPTS -c $CELERYEV_CAM"
+
+if [ -n "$2" ]; then
+    CELERYEV_OPTS="$CELERYEV_OPTS $2"
+fi
+
+# Extra start-stop-daemon options, like user/group.
+if [ -n "$CELERYEV_USER" ]; then
+    DAEMON_OPTS="$DAEMON_OPTS --chuid $CELERYEV_USER"
+fi
+if [ -n "$CELERYEV_GROUP" ]; then
+    DAEMON_OPTS="$DAEMON_OPTS --group $CELERYEV_GROUP"
+fi
+
+if [ -n "$CELERYEV_CHDIR" ]; then
+    DAEMON_OPTS="$DAEMON_OPTS --chdir $CELERYEV_CHDIR"
+elif [ -n "$CELERYD_CHDIR" ]; then
+    DAEMON_OPTS="$DAEMON_OPTS --chdir $CELERYD_CHDIR"
+fi
+
+
+# Are we running from init?
+run_by_init() {
+    ([ "$previous" ] && [ "$runlevel" ]) || [ "$runlevel" = S ]
+}
+
+
+check_dev_null() {
+    if [ ! -c /dev/null ]; then
+    if [ "$1" = log_end_msg ]; then
+        log_end_msg 1 || true
+    fi
+    if ! run_by_init; then
+        log_action_msg "/dev/null is not a character device!"
+    fi
+    exit 1
+    fi
+}
+
+
+export PATH="${PATH:+$PATH:}/usr/sbin:/sbin"
+
+
+stop_evcam () {
+    cmd="start-stop-daemon --stop \
+                           --quiet \
+                           $* \
+                           --pidfile $CELERYEV_PID_FILE"
+    if $cmd; then
+        log_end_msg 0
+    else
+        log_end_msg 1
+    fi
+}
+
+start_evcam () {
+    cmd="start-stop-daemon --start $DAEMON_OPTS \
+                           --quiet \
+                           --oknodo \
+                           --background \
+                           --make-pidfile \
+                           $* \
+                           --pidfile $CELERYEV_PID_FILE
+                           --exec $CELERYEV -- $CELERYEV_OPTS"
+    if $cmd; then
+        log_end_msg 0
+    else
+        log_end_msg 1
+    fi
+}
+
+
+
+case "$1" in
+  start)
+    check_dev_null
+    log_daemon_msg "Starting celery event snapshots" "celeryev"
+    start_evcam
+    ;;
+  stop)
+    log_daemon_msg "Stopping celery event snapshots" "celeryev"
+    stop_evcam --oknodo
+    ;;
+
+  reload|force-reload)
+    echo "Use start+stop"
+    ;;
+
+  restart)
+    log_daemon_msg "Restarting celery event snapshots" "celeryev"
+    stop_evcam --oknodo --retry 30
+    check_dev_null log_end_msg
+    start_evcam
+    ;;
+
+  try-restart)
+    log_daemon_msg "Restarting celery event snapshots" "celeryev"
+    set +e
+    stop_evcam --retry 30
+    RET="$?"
+    set -e
+    case $RET in
+        0)
+        # old daemon stopped
+        check_dev_null log_end_msg
+        start_evcam
+        ;;
+        1)
+        # daemon not running
+        log_progress_msg "(not running)"
+        log_end_msg 0
+        ;;
+        *)
+        # failed to stop
+        log_progress_msg "(failed to stop)"
+        log_end_msg 1
+        ;;
+    esac
+    ;;
+
+  status)
+    status_of_proc -p $CELERYEV_PID_FILE $CELERYEV celeryev && exit 0 || exit $?
+    ;;
+
+  *)
+    log_action_msg "Usage: /etc/init.d/celeryev {start|stop|force-reload|restart|try-restart|status}"
+    exit 1
+esac
+
+exit 0