ceph/debian/ceph-common.postinst

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#!/bin/sh
# vim: set noet ts=8:
# postinst script for ceph-mds
#
# see: dh_installdeb(1)
set -e
# summary of how this script can be called:
#
# postinst configure <most-recently-configured-version>
# old-postinst abort-upgrade <new-version>
# conflictor's-postinst abort-remove in-favour <package> <new-version>
# postinst abort-remove
# deconfigured's-postinst abort-deconfigure in-favour <failed-install-package> <version> [<removing conflicting-package> <version>]
#
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
# Let the admin override these distro-specified defaults. This is NOT
# recommended!
[ -f "/etc/default/ceph" ] && . /etc/default/ceph
[ -z "$SERVER_HOME" ] && SERVER_HOME=/var/lib/ceph
[ -z "$SERVER_USER" ] && SERVER_USER=ceph
[ -z "$SERVER_NAME" ] && SERVER_NAME="Ceph storage service"
[ -z "$SERVER_GROUP" ] && SERVER_GROUP=ceph
[ -z "$SERVER_UID" ] && SERVER_UID=64045 # alloc by Debian base-passwd maintainer
[ -z "$SERVER_GID" ] && SERVER_GID=$SERVER_UID
# Groups that the user will be added to, if undefined, then none.
[ -z "$SERVER_ADDGROUP" ] && SERVER_ADDGROUP=
case "$1" in
configure)
# create user to avoid running server as root
# 1. create group if not existing
if ! getent group | grep -q "^$SERVER_GROUP:" ; then
echo -n "Adding group $SERVER_GROUP.."
addgroup --quiet --system --gid $SERVER_GID \
$SERVER_GROUP 2>/dev/null ||true
echo "..done"
fi
# 2. create user if not existing
if ! getent passwd | grep -q "^$SERVER_USER:"; then
echo -n "Adding system user $SERVER_USER.."
adduser --quiet \
--system \
--no-create-home \
--disabled-password \
--uid $SERVER_UID \
--gid $SERVER_GID \
$SERVER_USER 2>/dev/null || true
echo "..done"
fi
# 3. adjust passwd entry
echo -n "Setting system user $SERVER_USER properties.."
usermod -c "$SERVER_NAME" \
-d $SERVER_HOME \
-g $SERVER_GROUP \
$SERVER_USER
# Unlock $SERVER_USER in case it is locked from an uninstall
if [ -f /etc/shadow ]; then
usermod -U -e '' $SERVER_USER
else
usermod -U $SERVER_USER
fi
echo "..done"
# 5. adjust file and directory permissions
if ! dpkg-statoverride --list $SERVER_HOME >/dev/null
then
chown $SERVER_USER:$SERVER_GROUP $SERVER_HOME
chmod u=rwx,g=rx,o= $SERVER_HOME
fi
if ! dpkg-statoverride --list /var/log/ceph >/dev/null
then
chown -R $SERVER_USER:$SERVER_GROUP /var/log/ceph
# members of group ceph can log here, but cannot remove
# others' files. non-members cannot read any logs.
chmod u=rwx,g=rwxs,o=t /var/log/ceph
fi
# 6. fix /var/run/ceph
if [ -d /var/run/ceph ]; then
echo -n "Fixing /var/run/ceph ownership.."
chown $SERVER_USER:$SERVER_GROUP /var/run/ceph
echo "..done"
fi
# create /run/ceph. fail softly if systemd isn't present or
# something.
[ -x /bin/systemd-tmpfiles ] && systemd-tmpfiles --create || true
;;
abort-upgrade|abort-remove|abort-deconfigure)
:
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
#DEBHELPER#
exit 0