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#!/bin/sh
# Copyright (C) 2014-2019 Daniel Baumann <daniel.baumann@open-infrastructure.net>
#
# SPDX-License-Identifier: GPL-3.0+
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
set -e
PROJECT="open-infrastructure"
SOFTWARE="storage-tools"
PROGRAM="cephfs-snap"
ACTION="${1:-manual}"
Usage ()
{
echo "Usage: ${PROGRAM} {hourly|daily|weekly|monthly|yearly}" >&2
exit 1
}
if [ -e "/etc/${PROJECT}/ceph-tools.conf" ]
then
. "/etc/${PROJECT}/ceph-tools.conf"
fi
case "${CEPHFS_SNAP}" in
true)
;;
*)
exit 0
;;
esac
if [ -z "${CEPHFS_SNAP_DIRECTORIES}" ]
then
echo "E: no cephfs directories defined in /etc/${PROJECT}/ceph-tools.conf" >&2
exit 1
fi
case "${ACTION}" in
hourly|daily|weekly|monthly|yearly)
ROTATION="$(eval "echo \${CEPHFS_SNAP_$(echo "${ACTION}" | tr [a-z] [A-Z])}")"
if [ -z "${ROTATION}" ]
then
echo "E: no cephfs snapshot rotation for ${ACTION} defined in /etc/${PROJECT}/ceph-tools.conf" >&2
exit 1
fi
;;
manual)
;;
*)
Usage
;;
esac
# Run
TIME="$(date +%Y-%m-%d_%H%M%S%z)"
SNAPSHOT="${TIME}_${ACTION}"
for CEPHFS_SNAP_DIRECTORY in ${CEPHFS_SNAP_DIRECTORIES}
do
cd "${CEPHFS_SNAP_DIRECTORY}"/.snap
mkdir "${SNAPSHOT}"
case "${ACTION}" in
manual)
;;
*)
if [ "$(ls -d *_"${ACTION}" | wc -l)" -gt "${ROTATION}" ]
then
# more snapshots available than configured to keep
SNAPS="$(ls -d *_"${ACTION}" | sort -r | tail -n +$((${ROTATION} + 1)))"
for SNAP in ${SNAPS}
do
rmdir "${SNAP}"
done
fi
;;
esac
done
DATE="$(date +%Y-%m-%d\ %H:%M:%S)"
HOST="$(hostname -f)"
# logfile
mkdir -p "/var/log/${SOFTWARE}/${PROGRAM}"
echo "${DATE} ${HOST} ${PROGRAM} creating ${ACTION} snapshots" >> "/var/log/${SOFTWARE}/${PROGRAM}/${PROGRAM}.log"
# irc
if [ -e /usr/bin/irk ] && [ -e "/etc/${PROJECT}/ceph-tools.conf" ]
then
if [ -n "${IRK_TARGETS}" ]
then
for TARGET in ${IRK_TARGETS}
do
irk ${TARGET} "\x0312${HOST}:\x03 \x0303${PROGRAM}\x03 creating \x0307${ACTION}\x03 snapshots"
done
fi
fi
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