Supervisor init script for OpenWrt (procd).

supervisor

#!/bin/sh /etc/rc.common

START=99
STOP=10
SERVICE_DAEMONIZE=1
SERVICE_WRITE_PID=1
PIDFILE=/var/run/supervisord.pid
LOCKFILE=/var/run/supervisord_up.lock
LOCKFILE_DOWN=/var/run/supervisord_down.lock
SUPERVISORCTL_BIN=$(which supervisorctl)

PIDFILE=/tmp/supervisord.pid
CONFIG=/etc/supervisord.conf

start() {


    if pgrep -f "supervisord" > /dev/null; then
        echo "Supervisor is already running. Exiting."
        rm -f "$LOCKFILE"
        exit 1
    fi

    if [ -f "$LOCKFILE" ]; then
        echo "Start command has already been issued. Exiting."
        exit 1
    fi

    if [ -f "$LOCKFILE_DOWN" ]; then
        echo "Supervisor is being stopped. Exiting."
        exit 1
    fi



    # Create lock file
    touch "$LOCKFILE"

    # Start Supervisor
    /usr/bin/supervisord $PROG -c $CONFIG -j $PIDFILE


    # Ensure Supervisor started properly before keeping the lock
    if ! pgrep -f "supervisord" > /dev/null; then
        echo "Supervisor failed to start."
        rm -f "$LOCKFILE"
        exit 1
    fi
    rm -f "$LOCKFILE" || echo Lockfile removed

}

stop() {

    if ! pgrep -f "supervisord" > /dev/null; then
        echo "Supervisor is already down"
        rm -f "$LOCKFILE_DOWN"
    else

    if [ -f "$LOCKFILE_DOWN" ]; then
        echo "Stop command has already been issued. Exiting."
        exit 1
    fi
    touch $LOCKFILE_DOWN

    if [ -f "$LOCKFILE" ]; then
        echo "Stop command while start was still in progress."
        killall supervisord > /dev/null
        rm -f "$LOCKFILE"
        rm -f "$LOCKFILE_DOWN"
        exit 0
    fi

    echo "Stopping Supervisor..."
    $SUPERVISORCTL_BIN -c $CONFIG stop all
    rm -f "$LOCKFILE"
    rm -f "$LOCKFILE_DOWN"
    echo "Done stopping"
    killall supervisord > /dev/null

    fi


}

restart() {
    stop
    sleep 2
    start
}