postrm is in zookeeper 3.3.5+dfsg1-1ubuntu1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | #!/bin/sh
set -e
NAME="zookeeper"
GROUP=$NAME
USER=$NAME
# shamelessly copied from debian mysql-server package...
#
# - Remove the zookeeper user only after all his owned files are purged.
#
if [ "$1" = "purge" ]; then
# we remove the zookeeper user only after all his owned files are purged
rm -rf /var/lib/$NAME
rm -rf /var/log/$NAME
rm -rf /var/run/$NAME
# --remove-all-files takes ages, so delete manually
deluser --system $USER || true
delgroup --system --only-if-empty $GROUP || true
fi
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