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Viewing changes to debian/lupin-support.mounthost.init

  • Committer: Agostino Russo
  • Date: 2008-03-11 22:50:57 UTC
  • Revision ID: agostino.russo@gmail.com-20080311225057-2kq30onjg2p4wsqe
* Do not use awk in mounthost (LP: #198007)

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debian/lupin-support.mounthost.init
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# NOTE: should /host be in fstab
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#
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### BEGIN INIT INFO
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# Provides:             mounthost
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# Required-Start:       mountdevsubfs
 
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# Provides:        mounthost
 
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# Required-Start:    mountdevsubfs
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# Required-Stop:
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# Default-Start:        S
 
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# Default-Start:    S
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# Default-Stop:
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# Short-Description:    Remount /host folder read write.
 
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# Short-Description:    Remount /host folder read write.
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### END INIT INFO
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PATH=/sbin:/bin
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. /lib/lsb/init-functions
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do_start() {
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        [ "$VERBOSE" = no ] || log_action_begin_msg "Mounting host filesystem read-write"
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    [ "$VERBOSE" = no ] || log_action_begin_msg "Mounting host filesystem read-write"
 
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    hosttype=none
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        hostopts=defaults
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        hostmode=rw
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        hostcheck=no
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    hostopts=defaults
 
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    hostmode=rw
 
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    hostcheck=no
 
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    ES=$?
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        loop_file=$(awk '$2=="/" && $4~"loop" {print $1}' /etc/fstab)
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    host_device=$(awk '"'${loop_file}'"~"^"$2 && $2!="/" {print $1}' /proc/mounts)
 
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    loopfile_fstab_line=$(sed -n '\:^/[^ ]*[ ]*[ ]/[ ][ ]*[^ ]*[ ].*loop.*[ ]:p' /etc/fstab)
 
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    host_mountpoint=${loopfile_fstab_line%% *}
 
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    while [ -z "$host_device" ] && [ -n "$host_mountpoint" ] && [ ! "$host_mountpoint" = "/" ]; do
 
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        host_mountpoint="${host_mountpoint%/*}"
 
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        host_device=$(sed -n "\:^/[^ ]*[ ]*[ ]$host_mountpoint :p" /proc/mounts)
 
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        host_device=${host_device%% *}
 
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    done
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    if [ -n "$host_device" ]; then
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        if [ "$hostcheck" = yes ]; then
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            if \
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                ! mount    -n -o remount,ro              $host_device /host             \
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                && ! mount -n -o remount,ro -t dummytype $host_device /host 2>/dev/null \
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                && ! mount -n -o remount,ro            $host_device  /host 2>/dev/null
 
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                ! mount    -n -o remount,ro              "$host_device" /host             \
 
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                && ! mount -n -o remount,ro -t dummytype "$host_device" /host 2>/dev/null \
 
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                && ! mount -n -o remount,ro            "$host_device"  /host 2>/dev/null
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            then
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                log_failure_msg "Cannot check host file system because it is not mounted read-only."
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                rootcheck=no
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            #TBD add fs checking
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            #skipping since not supported by ntfs-3g
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        fi
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        mount -n -o remount,$hostopts,$hostmode $host_device /host
 
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        mount -n -o remount,$hostopts,$hostmode "$host_device" /host
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        ES=$?
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    fi
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        [ "$VERBOSE" = no ] || log_action_end_msg $ES
 
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    [ "$VERBOSE" = no ] || log_action_end_msg "$ES"
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}
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case "$1" in
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  start)
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        do_start
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        ;;
 
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    do_start
 
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    ;;
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  restart|reload|force-reload)
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        echo "Error: argument '$1' not supported" >&2
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        exit 3
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        ;;
 
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    echo "Error: argument '$1' not supported" >&2
 
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    exit 3
 
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    ;;
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  stop)
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        # No-op
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        ;;
 
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    # No-op
 
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    ;;
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  *)
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        echo "Usage: $0 start|stop" >&2
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        exit 3
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        ;;
 
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    echo "Usage: $0 start|stop" >&2
 
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    exit 3
 
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    ;;
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esac
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