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scweb.init    385 lines (356 with data), 8.3 kB

#!/bin/sh
#
# Upmpdcli Songcast Receiver control web interface init script.
#     	Copyright (C) 2015 J.F. Dockes

# Derived from:
# 
#     	VirtualBox web service API daemon init script.
#
#     	Copyright (C) 2006-2012 Oracle Corporation
#
#     	This file is part of VirtualBox Open Source Edition (OSE), as
#     	available from http://www.virtualbox.org. This file is free software;
# 	you can redistribute it and/or modify it under the terms of the GNU
# 	General Public License (GPL) as published by the Free Software
# 	Foundation, in version 2 as it comes in the "COPYING" file of the
# 	VirtualBox OSE distribution. VirtualBox OSE is distributed in the
# 	hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
#
#
# chkconfig: 35 35 65
# description: Songcast Receiver control web interface
#
### BEGIN INIT INFO
# Provides:       scweb-service
# Required-Start: $remote_fs $syslog
# Required-Stop:  $remote_fs $syslog
# Default-Start:  2 3 4 5
# Default-Stop:   0 1 6
# Description:    Songcast Receiver control web interface
### END INIT INFO

PATH=$PATH:/bin:/sbin:/usr/sbin

[ -f /etc/debian_release -a -f /lib/lsb/init-functions ] || NOLSB=yes

if [ -n "$INSTALL_DIR" ]; then
    binary="$INSTALL_DIR/scweb-standalone.py"
    scctl="$INSTALL_DIR/scctl"
else
    binary="/usr/share/upmpdcli/web/scweb-standalone.py"
    scctl="/usr/bin/scctl"
fi

# silently exit if the package was uninstalled but not purged,
# applies to Debian packages only (but shouldn't hurt elsewhere)
[ ! -f /etc/debian_release -o -x $binary ] || exit 0

[ -r /etc/default/scweb ] && . /etc/default/scweb

system=unknown
if [ -f /etc/redhat-release ]; then
    system=redhat
    PIDFILE="/var/lock/subsys/scweb-service"
elif [ -f /etc/SuSE-release ]; then
    system=suse
    PIDFILE="/var/lock/subsys/scweb-service"
elif [ -f /etc/debian_version ]; then
    system=debian
    PIDFILE="/var/run/scweb-service"
elif [ -f /etc/gentoo-release ]; then
    system=gentoo
    PIDFILE="/var/run/scweb-service"
elif [ -f /etc/arch-release ]; then
     system=arch
     PIDFILE="/var/run/scweb-service"
elif [ -f /etc/slackware-version ]; then
    system=slackware
    PIDFILE="/var/run/scweb-service"
elif [ -f /etc/lfs-release ]; then
    system=lfs
    PIDFILE="/var/run/scweb-service.pid"
else
    system=other
    if [ -d /var/run -a -w /var/run ]; then
        PIDFILE="/var/run/scweb-service"
    fi
fi

if [ -z "$NOLSB" ]; then
    . /lib/lsb/init-functions
    fail_msg() {
        echo ""
        log_failure_msg "$1"
    }
    succ_msg() {
        log_success_msg " done."
    }
    begin_msg() {
        log_daemon_msg "$@"
    }
fi

if [ "$system" = "redhat" ]; then
    . /etc/init.d/functions
    if [ -n "$NOLSB" ]; then
        start_daemon() {
            usr="$1"
            shift
            daemon --user $usr $@
        }
        fail_msg() {
            echo_failure
            echo
        }
        succ_msg() {
            echo_success
            echo
        }
        begin_msg() {
            echo -n "$1"
        }
    fi
fi

if [ "$system" = "suse" ]; then
    . /etc/rc.status
    start_daemon() {
        usr="$1"
        shift
        su - $usr -c "$*"
    }
    if [ -n "$NOLSB" ]; then
        fail_msg() {
            rc_failed 1
            rc_status -v
        }
        succ_msg() {
            rc_reset
            rc_status -v
        }
        begin_msg() {
            echo -n "$1"
        }
    fi
fi

if [ "$system" = "debian" ]; then
    start_daemon() {
        usr="$1"
        shift
        bin="$1"
        shift
        start-stop-daemon --background --chuid $usr --start --exec $bin -- $@
    }
    killproc() {
        start-stop-daemon --stop --exec $@
    }
    if [ -n "$NOLSB" ]; then
        fail_msg() {
            echo " ...fail!"
        }
        succ_msg() {
            echo " ...done."
        }
        begin_msg() {
            echo -n "$1"
       }
    fi
fi

if [ "$system" = "gentoo" ]; then
    if [ -f /sbin/functions.sh ]; then
        . /sbin/functions.sh
    elif [ -f /etc/init.d/functions.sh ]; then
        . /etc/init.d/functions.sh
    fi
    start_daemon() {
        usr="$1"
        shift
        bin="$1"
        shift
        start-stop-daemon --background --chuid $usr --start --exec $bin -- $@
    }
    killproc() {
        start-stop-daemon --stop --exec $@
    }
    if [ -n "$NOLSB" ]; then
        fail_msg() {
            echo " ...fail!"
        }
        succ_msg() {
            echo " ...done."
        }
        begin_msg() {
            echo -n "$1"
        }
        if [ "`which $0`" = "/sbin/rc" ]; then
            shift
        fi
    fi
fi

if [ "$system" = "arch" ]; then
    USECOLOR=yes
    . /etc/rc.d/functions
    start_daemon() {
        usr="$1"
        shift
        su - $usr -c "$*"
        test $? -eq 0 && add_daemon rc.`basename $2`
    }
    killproc() {
        killall $@
        rm_daemon `basename $@`
    }
    if [ -n "$NOLSB" ]; then
        fail_msg() {
            stat_fail
        }
        succ_msg() {
            stat_done
        }
        begin_msg() {
            stat_busy "$1"
        }
    fi
fi

if [ "$system" = "slackware" ]; then
    killproc() {
        killall $1
        rm -f $PIDFILE
    }
    if [ -n "$NOLSB" ]; then
        fail_msg() {
            echo " ...fail!"
        }
        succ_msg() {
            echo " ...done."
        }
        begin_msg() {
            echo -n "$1"
        }
    fi
    start_daemon() {
        usr="$1"
        shift
        su - $usr -c "$*"
    }
fi

if [ "$system" = "lfs" ]; then
    . /etc/rc.d/init.d/functions
    if [ -n "$NOLSB" ]; then
        fail_msg() {
            echo_failure
        }
        succ_msg() {
            echo_ok
        }
        begin_msg() {
            echo $1
        }
    fi
    start_daemon() {
        usr="$1"
        shift
        su - $usr -c "$*"
    }
    status() {
        statusproc $1
    }
fi

if [ "$system" = "other" ]; then
    if [ -n "$NOLSB" ]; then
        fail_msg() {
            echo " ...fail!"
        }
        succ_msg() {
            echo " ...done."
        }
        begin_msg() {
            echo -n "$1"
        }
    fi
fi

check_single_user() {
    if [ -n "$2" ]; then
        fail_msg "VBOXWEB_USER must not contain multiple users!"
        exit 1
    fi
}

start() {
    #echo "START"
    if ! test -f $PIDFILE; then
        #echo "DORUN?"
        [ "$SCWEB_DORUN" = "yes" ] || exit 0
        #echo "USER SET?"
        [ -z "$SCWEB_USER" ] && exit 0
        begin_msg "Starting scweb Songcast control web interface";
        check_single_user $SCWEB_USER
        #echo SCWEB_USER $SCWEB_USER single ok
        PARAMS=""
        [ -n "$SCWEB_ADDRESS" ]        && PARAMS="$PARAMS -a $SCWEB_ADDRESS"
        [ -n "$SCWEB_PORT" ]           && PARAMS="$PARAMS -p $SCWEB_PORT"

        #echo start_daemon $SCWEB_USER $binary $PARAMS
        start_daemon $SCWEB_USER $binary $PARAMS > /dev/null 2>&1
        # ugly: wait until the final process has forked
        sleep .1
        PID=`ps ax | egrep 'python .*/scweb-standalone' | grep -v grep | awk '{print $1}'`
        if [ -n "$PID" ]; then
            echo "$PID" > $PIDFILE
            RETVAL=0
            succ_msg
        else
            RETVAL=1
            fail_msg
        fi
    else
        echo "Pidfile $PIDFILE already exists" 1>&2
    fi
    
    return $RETVAL
}

scwebpid()
{
    echo `ps ax | grep 'python.*scweb-standalone' |grep -v grep | \
        awk '{print $1}'`
}

stop() {
    if test -f $PIDFILE; then
        begin_msg "Stopping scweb web interface";

        RPID=`scwebpid`
        [ -n "$RPID" ] && kill "$RPID"
        RETVAL=$?

        RPID=`scwebpid`
        if test -z "$RPID"; then
            rm -f $PIDFILE
            succ_msg
        else
            fail_msg
        fi
    fi
    return $RETVAL
}

restart() {
    stop && start
}

status() {
    echo -n "Checking for scweb web interface"
    if [ -f $PIDFILE ]; then
        echo " ...running"
    else
        echo " ...not running"
    fi
}

case "$1" in
start)
    start
    ;;
stop)
    stop
    ;;
restart)
    restart
    ;;
force-reload)
    restart
    ;;
status)
    status
    ;;
setup)
    ;;
cleanup)
    ;;
*)
    echo "Usage: $0 {start|stop|restart|status}"
    exit 1
esac

exit $RETVAL