#!/bin/sh
#
# Script to stop the nominated overlay subhost

OVERLAYDIR="$(dirname $(realpath $0))"

[ $(id -u) = 0 ] || exec sudo $0 $@
. $OVERLAYDIR/functions $*

CONFIG="$1"
[ -r "$CONFIG" ] || die "Missing configuration $CONFIG"

config NAME $(basename $1 .${1##*.})
config START "ssh networking"
config LIVE

read USPID RSPID <<EOF
$(is_live $NAME)
EOF

[ -z "$USPID" ] && echo "$NAME is snot running" >&2 && exit 1

if [ -z "$RSPID" ] ; then
    cat <<EOF >&2
***  $NAME is started (pid $USPID) but doesn't seem to be running
*** /.reaper and might need manual fixing.
EOF
    exit 1
fi

# function to reverse the $* words
reverse() {
    local OUT=""
    for w in $* ; do OUT="$w $OUT" ; done
    echo "${OUT% }"
}

START="$(reverse "$START")"
if nsenter -t $RSPID -p -m -i -u ip netns exec $NAME chroot $LIVE /bin/sh \
	   -c "for srv in $START ; do service \$srv stop ; done" ; then
    CHILDPIDS="$(nsenter -t $RSPID -p -m ps -hopid --ppid 1)"
    nsenter -t $RSPID -p -m kill $CHILDPIDS
fi