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Viewing changes to utopic/etc/init.d/ifetch-tools

  • Committer: Dimitri John Ledkov
  • Date: 2014-11-19 12:58:41 UTC
  • Revision ID: dimitri.j.ledkov@intel.com-20141119125841-98dr37roy8dvcv3b
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utopic/etc/init.d/ifetch-tools
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#! /bin/sh
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### BEGIN INIT INFO
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# Provides:             ifetch-tools
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# Required-Start:       $remote_fs $network $syslog
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# Required-Stop:        $remote_fs $network $syslog
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# Should-Start:         $local_fs
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# Default-Start:        2 3 4 5
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# Default-Stop:         0 1 6
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# Short-Description:    Tools to collect IP Camera images.
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# Description:          Tools to collect, monitor, view images from IP Cameras.
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### END INIT INFO
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set -e
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PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
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DAEMON=/usr/bin/wwwifetch
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DAEMON_CONFIG=/etc/ifetch-tools/ifetch-tools.conf
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NAME=ifetch-tools
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DESC=ifetch-tools
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_UID=ifetch-tools
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#_UID=root
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# Test the the DAEMON
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test -x $DAEMON || exit 0
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# Test for the ifetch-tools.conf
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test -f $DAEMON_CONFIG || exit 0
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. /lib/lsb/init-functions
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LOGDIR=/var/log/ifetch-tools
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PIDFILE=/var/run/$NAME.pid
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DODTIME=10      # Time to wait for the server to die, in seconds
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                # If this value is set too low you might not
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                # let some servers to die gracefully and
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                # 'restart' will not work
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running_pid()
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{
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        # Check if a given process pid's cmdline matches a given name
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        pid=$1
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        name=$2
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        [ -z "$pid" ] && return 1
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        [ ! -d /proc/$pid ] &&  return 1
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        cmd=$(cat /proc/$pid/cmdline | tr "\000" "\n"|tail -n 1 |cut -d : -f 1)
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        # Is this the expected child?
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        [ "$cmd" != "$name" ] &&  return 1
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        return 0
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}
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running()
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{
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        # Check if the process is running looking at /proc
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        # (works for all users)
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        # No pidfile, probably no daemon present
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        [ ! -f "$PIDFILE" ] && return 1
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        # Obtain the pid and check it against the binary name
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        pid=$(cat $PIDFILE)
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        running_pid $pid $DAEMON || return 1
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        return 0
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}
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start_daemon()
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{
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        echo -n "Starting $DESC: "
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        start-stop-daemon --start --chdir /tmp --nicelevel 10 --chuid $_UID --quiet --background --make-pidfile --pidfile $PIDFILE --exec $DAEMON
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        [ -n "$DODTIME" ] && sleep "$DODTIME"s
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        echo -n "$NAME, "
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        if running
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        then
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                echo "appears to be started."
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        else
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                echo "appears to have failed to start."
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                exit 0
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        fi
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}
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stop_daemon()
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{
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        signal=$1
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        echo -n "Stopping $DESC: "
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        kill -s $signal $(pgrep -u $_UID ifetch)
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        [ -n "$DODTIME" ] && sleep "$DODTIME"s
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        if running
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        then
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                echo "Cannot stop $NAME!"
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                exit 1
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        else
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                echo "$NAME stopped."
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                rm -f $PIDFILE
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        fi
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        return 0
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}
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case "$1" in
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        start)
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                mkdir -p /var/run/ifetch-tools
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                mkdir -p /var/lock/ifetch-tools
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                chown ifetch-tools:ifetch-tools /var/run/ifetch-tools /var/lock/ifetch-tools
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                if running
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                then
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                        echo "$NAME appears to be already running."
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                else
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                        start_daemon
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                fi
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                ;;
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        stop)
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                if running
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                then
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                        stop_daemon INT
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                else
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                        echo "$NAME is not running."
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                fi
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                ;;
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        force-stop)
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                if running
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                then
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                        echo "Forcefully stopping $DESC and camera collecting."
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                        stop_daemon KILL
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                else
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                        echo "$NAME is not running."
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                fi
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                ;;
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        reload)
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                stop_daemon INT
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                start_daemon
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                ;;
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        force-reload)
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                if running
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                then
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                        echo "Forcefully reloading $DESC and camera collecting."
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                        stop_daemon KILL
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                        start_daemon
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                else
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                        echo "$NAME is not running."
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                fi
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                ;;
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        restart)
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                echo "Restarting $DESC."
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                if running
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                then
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                        stop_daemon INT
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                        start_daemon
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                else
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                        echo "No running process, try start."
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                fi
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                ;;
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        status)
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                echo -n "$NAME is "
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                if running
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                then
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                        echo "running."
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                else
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                        echo "not running."
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                        exit 1
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                fi
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                ;;
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        *)
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                N=/etc/init.d/$NAME
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                echo "Usage: $N {start|stop|restart|force-reload|status|force-stop}" >&2
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                exit 1
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                ;;
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esac
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exit 0