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https://github.com/samba-team/samba.git
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05da9001b9
Signed-off-by: Vinit Agnihotri <vagnihotri@ddn.com> Signed-off-by: Martin Schwenke <mschwenke@ddn.com> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
124 lines
2.4 KiB
Bash
Executable File
124 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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# Backup persistent CTDB TDBs into the given directory.
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# Copyright: DataDirect Networks, 2024
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# Authors: Vinit Agnihotri <vagnihotri@ddn.com>
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# Martin Schwenke <mschwenke@ddn.com>
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, see <http://www.gnu.org/licenses/>.
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# Options:
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#
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# -l: Only do the backup if this node is the leader node, otherwise
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# exit with 0.
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#
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# -L <rc>: Only do the backup if this node is the leader node, otherwise
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# exit with <rc>.
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#
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# Option/argument handling
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#
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die()
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{
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echo "ERROR: $1"
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exit 1
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}
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usage()
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{
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die "usage: $0 [-l | -L <rc> ] <dir>"
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}
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leader_only=false
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leader_only_rc=0
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dir=""
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while getopts "L:lh?" opt; do
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case "$opt" in
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L)
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leader_only=true
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leader_only_rc="$OPTARG"
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;;
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l)
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leader_only=true
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;;
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\? | h)
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usage
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;;
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esac
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done
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shift $((OPTIND - 1))
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if [ $# -ne 1 ]; then
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usage
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fi
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dir="$1"
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if [ ! -d "$dir" ]; then
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die "No such directory ${dir}"
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fi
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if $leader_only; then
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this_node=$(ctdb pnn)
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leader_node=$(ctdb leader)
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if [ "$this_node" != "$leader_node" ]; then
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exit "$leader_only_rc"
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fi
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fi
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#
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# Backups TDBs in timestamped subdirectory
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#
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dt=$(date "+%Y%m%d%H%M%S")
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prefix="ctdb-persistent-db-backup-${dt}"
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outdir="${dir}/${prefix}"
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# Clean up temporary directory on failure"
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trap 'rm -rf ${outdir}' 0
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mkdir -p "$outdir"
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if ! db_map=$(ctdb getdbmap -X); then
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die "Failed to list databases"
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fi
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db_list=$(echo "$db_map" | awk -F '|' '$5 == "1" { print $3 }')
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cd "$outdir" || die "Failed to change directory to ${dir}"
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for db in $db_list; do
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if ! ctdb backupdb "$db" "${db}.backup"; then
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die "Failed to backup ${db}"
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fi
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done
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#
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# Create tarball
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#
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cd "$dir" || die "Failed to change directory to ${dir}"
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tarball="${prefix}.tgz"
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if ! tar -c -z -f "$tarball" "$prefix"; then
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die "Failed to create tarball"
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fi
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echo "Created backup tarball ${dir}/${tarball}"
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exit 0
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