#!/bin/sh

# if we start up as ./init-ceph, assume everything else is in the
# current directory too.
if [ `dirname $0` = "." ] && [ $PWD != "/etc/init.d" ]; then
    BINDIR=.
    LIBEXECDIR=.
    ETCDIR=.
else
    BINDIR=/usr/bin
    LIBEXECDIR=/usr/lib/ceph
    ETCDIR=/etc/ceph
fi

BINDBGDIR="/usr/lib/debug/usr/bin"

usage_exit() {
    echo "usage: $0 [-c ceph.conf] <filename.tar.gz>"
    exit
}

wait_pid_exit() {
	pid=$1

	for i in $(seq 10); do
		[ -e /proc/$pid ] || return
		sleep 1
	done
	if [ -e /proc/$pid ]; then
	    echo Killing pid $pid
	    kill $pid
	fi
}

. $LIBEXECDIR/ceph_common.sh

dest_tar=''
while [ $# -ge 1 ]; do
case $1 in
    --conf | -c)
	    [ -z "$2" ] && usage_exit
	    shift
	    conf=$1
	    ;;
    *)
	    if [ -n "$dest_tar" ]; then
	    	echo unrecognized option \'$1\'
	    	usage_exit
	    fi
	    dest_tar=$1
	    ;;
esac
shift
done

[ "$dest_tar" = "" ] && usage_exit

echo "$0: generating debugpack tarball..."

if [ -e $dest_tar ]; then
    echo "$0: dest $dest_tar already exists, aborting"
    exit 1
fi

# get absolute path for dest_tar
bins="ceph-mon ceph-mds ceph-osd radosgw"
core_paths="/ $BINDIR $BINDBGDIR"
[ "$conf" = "" ] && conf=$ETCDIR/ceph.conf
log_path=`$CCONF -c $conf "log dir"`

[ -z "$conf" ] && usage_exit

# all configs
files='/etc/ceph'

# binaries
for bin in bins; do
    if [ -e "/usr/bin/$bin" ]; then
	files="$files /usr/bin/$bin"
    fi
    if [ -e "/usr/lib/debug/usr/bin/$bin" ]; then
	files="$files /usr/lib/debug/usr/bin/$bin"
    fi
done

# logs (the non-rotated ones)
for f in `find $path -maxdepth 1 -name 'core*'`; do
    files="$files $f"
done

# copy cores (if exist)
for path in $core_paths; do
    if [ -d $path ]; then
        for f in `find $path -maxdepth 1 -name 'core*'`; do
	    files="$files $f"
	done
    fi
done

# cluster state
tmp_path=`mktemp -d /tmp/ceph-debugpack.XXXXXXXXXX`

$BINDIR/ceph report > $tmp_path/ceph-report &
wait_pid_exit $!

files="$files $tmp_path"

# now create a tarball
tar cvfz $dest_tar $files
rm -rf $tmp_path

echo "$0: created debugpack tarball at $dest_tar"

