/usr/share/piuparts/slave/detect_leftover_processes is in piuparts-slave 0.45.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# Copyright 2009 Holger Levsen (holger@layer-acht.org)
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
PIUPARTS_CONF=${PIUPARTS_CONF:-/etc/piuparts/piuparts.conf}
[ -f "$PIUPARTS_CONF" ] || exit 0
# usage: get_config_value VARIABLE section key [default]
get_config_value()
{
local section key value
test -n "$1" && test "$1" = "$(echo "$1" | tr -c -d '[:alnum:]_')" || exit 1
section="$2"
key="$3"
value="$(sed -rn '\#^\['"$section"'\]#,/^\[/ {/^'"$key"'\s*=/ {s/^'"$key"'\s*=\s*//; s/\s*$//; p}}' "$PIUPARTS_CONF")"
test -n "$value" || value="$4"
if [ -z "$value" ]; then
echo "'$key' not set in section [$section] of $PIUPARTS_CONF, exiting." >&2
exit 1
fi
eval "$1"='"$value"'
}
get_config_value MASTER global master-directory
get_config_value PIUPARTS_TEMPDIR global tempdir /org/piuparts.debian.org/tmp
#
# find processes running in deleted chroots
#
# FIXME: is this script still needed?
# FIXME: why does this need access to the $MASTER directory?
MONITORDIR=$MASTER/monitor-slave
LOCKFILE="$MONITORDIR/leftover_processes"
OUTPUT=$(sudo ls --color=never -lad /proc/*/root 2>/dev/null|grep "$PIUPARTS_TEMPDIR" | grep "(deleted)")
if [ "$OUTPUT" != "" ] && [ "$(cat $LOCKFILE)" != "$OUTPUT" ] ; then
echo "Found processes running with a deleted chroot in $PIUPARTS_TEMPDIR"
echo "This is usually because of 'FAIL: Processes are running inside chroot' which usually"
echo "means the packages violates 'must use invoke-rc.d (policy 9.3.3.2)'."
echo
echo $OUTPUT
echo
echo "Please cleanup manually."
echo "#522918 has been filed to make this manual operation unneeded."
mkdir -p $MONITORDIR
sudo chown piupartsm:piuparts $MONITORDIR
sudo chmod 775 $MONITORDIR
echo $OUTPUT > $LOCKFILE
chmod 664 $LOCKFILE
fi
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