rs-backup-suite/server/usr/bin/rs-rotate

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#!/usr/bin/env bash
##
# Copyright (C) 2013-2016 Janek Bevendorff
# Website: http://www.refining-linux.org/
#
# Rotate backup revisions. Intended for use with cron.
#
# The MIT License (MIT)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
##
if [ "$1" == "" ]; then
echo "Usage: $(basename $0) <rsnapshot config>"
exit
fi
if [ "$RSYNC_EXIT_STATUS" == "" ]; then
echo "This script is intended to be run as rsync post-xfer hook." 2>&1
exit 1
fi
# rsync exit code descriptions found at
# <https://lxadm.com/Rsync_exit_codes>
msg="unknown code"
case $RSYNC_EXIT_STATUS in
0) msg="Success" ;;
1) msg="Syntax or usage error" ;;
2) msg="Protocol incompatibility" ;;
3) msg="Errors selecting input/output files, dirs" ;;
4) msg="Requested action not supported: an attempt was made to manipulate 64-bit files on a platformi " \
"that cannot support them; or an option was specified that is supported by the client and not by the server" ;;
5) msg="Error starting client-server protocol" ;;
6) msg="Daemon unable to append to log-file" ;;
10) msg="Error in socket I/O" ;;
11) msg="Error in file I/O" ;;
12) msg="Error in rsync protocol data stream" ;;
13) msg="Errors with program diagnostics" ;;
14) msg="Error in IPC code" ;;
20) msg="Received SIGUSR1 or SIGINT" ;;
21) msg="Some error returned by waitpid()" ;;
22) msg="Error allocating core memory buffers" ;;
23) msg="Partial transfer due to error" ;;
24) msg="Partial transfer due to vanished source files" ;;
25) msg="The --max-delete limit stopped deletions" ;;
30) msg="Timeout in data send/receive" ;;
35) msg="Timeout waiting for daemon connection" ;;
esac
if [ $RSYNC_EXIT_STATUS -eq 0 ] || [ $RSYNC_EXIT_STATUS -eq 24 ]; then
rs-logger info "Backup for user '$(id -un)' finished with exit code ${RSYNC_EXIT_STATUS} (${msg})"
RSNAPSHOT="rsnapshot"
if [ -x /usr/bin/rsnapshot ]; then
RSNAPSHOT="/usr/bin/rsnapshot"
elif [ -x /opt/bin/rsnapshot ]; then
RSNAPSHOT="/opt/bin/rsnapshot"
fi
$RSNAPSHOT -c "$1" push
rsnapshot_exit_code=$?
if [ $rsnapshot_exit_code -eq 1 ]; then
rs-logger err "Backup rotation for level 'push' of user '$(id -un)' failed."
elif [ $rsnapshot_exit_code -eq 2 ]; then
rs-logger warn "Backup rotation for level 'push' of user '$(id -un)' finished with warnings."
else
rs-logger info "Backup rotation for level 'push' of user '$(id -un)' finished."
fi
else
rs-logger err "Backup for user '$(id -un)' failed with exit code ${RSYNC_EXIT_STATUS} (${msg})"
fi