-#
-# service: simple wrapper around start-stop-daemon
-#
-# Usage: service ACTION EXEC ARGS...
-#
-# Action:
-# -C check if EXEC is alive
-# -S start EXEC, passing it ARGS as its arguments
-# -K kill EXEC, sending it a TERM signal if not specified otherwise
-#
-# Environment variables exposed:
-# SERVICE_DAEMONIZE run EXEC in background
-# SERVICE_WRITE_PID create a pid file and use it
-# SERVICE_USE_PID assume EXEC creates its own pid file and use it
-# SERVICE_PID_FILE pid file to use (default to /var/run/EXEC.pid)
-# SERVICE_SIG signal to send when using -K
-# SERVICE_SIG_RELOAD default signal used for reloading
-# SERVICE_SIG_STOP default signal used for stopping
-# SERVICE_STOP_TIME time to wait for a process to stop gracefully before killing it
-# SERVICE_UID user EXEC should be run as
-# SERVICE_GID group EXEC should be run as
-#
-# SERVICE_DEBUG don't do anything, but show what would be done
-# SERVICE_QUIET don't print anything
-#
-
-SERVICE_QUIET=1
-SERVICE_SIG_RELOAD="HUP"
-SERVICE_SIG_STOP="TERM"
-SERVICE_STOP_TIME=5
-
-service() {
- local ssd
- ssd="${SERVICE_DEBUG:+echo }start-stop-daemon${SERVICE_QUIET:+ -q}"
- case "$1" in
- -C)
- ssd="$ssd -K -t"
- ;;
- -S)
- ssd="$ssd -S${SERVICE_DAEMONIZE:+ -b}${SERVICE_WRITE_PID:+ -m}"
- ;;
- -K)
- ssd="$ssd -K${SERVICE_SIG:+ -s $SERVICE_SIG}"
- ;;
- *)
- echo "ssd: unknow action '$1'" 1>&2
- return 1
- esac
- shift
- if [ -z "$1" ]; then
- echo "ssd: missing arguments" 1>&2
- return 1
- fi
- ssd="$ssd -x $1"
- if [ -n "$SERVICE_PID_FILE$SERVICE_USE_PID$SERVICE_WRITE_PID" ]; then
- ssd="$ssd -p ${SERVICE_PID_FILE:-/var/run/${1##*/}.pid}"
- fi
- ssd="$ssd${SERVICE_UID:+ -c $SERVICE_UID${SERVICE_GID:+:$SERVICE_GID}}"
- shift
- $ssd${1:+ -- "$@"}
-}
-
-service_check() {
- service -C "$@"
-}
-
-service_signal() {
- SERVICE_SIG="${SERVICE_SIG:-USR1}" service -K "$@"