zsupervisor

#! /usr/bin/env bash
##############################################################################
#
# Copyright (C) Zenoss, Inc. 2013, all rights reserved.
#
# This content is made available according to terms specified in
# License.zenoss under the directory where your Zenoss product is installed.
#
##############################################################################

# zsupervisor is a pass through to supervisorctl.

echoerr() { echo "$@" 1>&2; }

if [ -z "$ZENHOME" ] ; then
    echoerr "ERROR: '$ZENHOME' is not set."
    echoerr "This is usually caused by executing this command as root rather than \
as the zenoss user.  Either define '$ZENHOME' or run this command as a \
different user."
    exit 1
fi

PIDFILE=$ZENHOME/var/supervisord.pid
CONF_FILE=$ZENHOME/etc/zsupervisor.conf
SUPERVISORCTL=`which supervisorctl`
if [ -z "$SUPERVISORCTL" ];then
    echoerr "supervisorctl not in path."
    exit 1
fi


genconf(){
cat - <<GENCONF
[supervisord]
nodaemon=false
logfile = log/supervisord.log
pidfile = var/supervisord.pid
[unix_http_server]
file=var/supervisor.sock

[supervisorctl]
serverurl=unix://var/supervisor.sock ; use a unix:// URL  for a unix socket

[rpcinterface:supervisor]
supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface

[include]
files = supervisor/*.conf

GENCONF
}

help(){
cat - <<HELP

HELP
}

zsuperviser_run() {
    case "$CMD" in
      genconf)
	    genconf
	    ;;
      startup)
        if [ ! -f "$PIDFILE" ];then
            cd $ZENHOME
            supervisord -c $CONF_FILE --pidfile=$PIDFILE -d $ZENHOME -i zenoss
            EXITCODE=$?
            if [ ${EXITCODE} == 0 ];then
                echo "Started supervisord"
            else
                echo "Failed to start supervisord"
                exit ${EXITCODE}
            fi
        else
            echo "Already started"
        fi
	    ;;
      help)
	    help
	    ;;
      *)
	    if [ ! -f "$CONF_FILE" ];then
	        echoerr "supervisor config not found."
	        exit 1
	    fi
        if [ ! -f "$PIDFILE" ];then
            if [ "$CMD" == "shutdown" ]; then
                exit 0
            fi
	        echoerr "supervisord not running"
	        exit 2
        fi
	    cd $ZENHOME
        $SUPERVISORCTL -c $CONF_FILE "$@"
        ;;
    esac
    exit
}

CMD=$1

zsuperviser_run "$@"