113 lines
3.2 KiB
Bash
113 lines
3.2 KiB
Bash
#!/usr/bin/env bash
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# mysqldump.sh - create SQL dump of MariaDB/MySQL database.
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# Copyright (c) 2022 ge <https://nixhacks.net/>
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#
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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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#
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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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#
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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 <https://www.gnu.org/licenses/>.
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handler::mysqldump() {
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# Create SQL-dump at location __main_target_path using mysqldump(1)
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# Compression is optional.
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# Handle 'mysql' URI scheme.
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#
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# Usage: handler::mysqldump URI
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log "Run handler handler::mysqldump()"
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local uri
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local dst_path
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local compr_util
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local compr_cmd
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local file_ext
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uri="$1"
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# shellcheck disable=SC2154
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dst_path="$__main_target_path"
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parse_uri "$uri"
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[ -z "$port" ] && port=3306 # Set default MySQL port.
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# shellcheck disable=SC2154
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[ -n "$__verbose" ] && echo "Dumping database '${path##*/}'"\
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"owned by ${username}@${hostname} ..." | log -p
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# Select compression utility and set filename extension.
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if [ -n "$compression" ]; then
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set_compression "$compression"
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file_ext=".sql${file_ext}"
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else
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compr_util=
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file_ext='.sql'
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fi
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dump_name="${dst_path}/$(gen_backup_name "$file_ext")"
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[ -n "$__verbose" ] && echo "Dump: $dump_name"
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log "Dump: $dump_name"
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if [ -n "$compr_util" ]; then
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compr_cmd="$compr_util -c" # e.g. gzip -c
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else
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compr_cmd="cat"
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fi
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mysqldump_opts="${mysqldump_opts:-}"
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# NOTE! mysqldump_opts and compr_cmd variables must be unquoted!
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# shellcheck disable=SC2086,SC2154
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try mysqldump $mysqldump_opts \
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--host="$hostname" \
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--port="$port" \
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"${path##*/}" \
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--user="$username" \
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--password="$password" |
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$compr_cmd > "$dump_name"
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if [ ! -s "$dump_name" ]; then
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err -e "Something went wrong: Dump size is 0 bytes. Removing $dump_name"
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rm "$dump_name"
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fi
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}
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# POSTGRESQL
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#bk_dump_postgresql() {
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# # Do PostgreSQL dump.
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#
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# bk_log "Dumping database '${path##*/}' owned by ${user}@${host} (PostgreSQL) ..."
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#
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# dump_name="$entry_local"/"$(bk_get_name "$db_name" .psql.gz)"
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# [ "$port" ] || port=5432 # Set default PostgreSQL port.
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# export PGPASSWORD="$password"
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#
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# pg_dump \
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# --host="$host" \
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# --port="$port" \
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# --dbname="${path##*/}" \
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# --username="$user" \
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# --no-password | gzip -c > "$dump_name" |& bk_log
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#
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# unset PGPASSWORD
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#
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# if [ -s "$dump_name" ]; then
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# bk_log "Dumping database '${path##*/}' owned by ${user}@${host} (PostgreSQL) [Done]"
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# bk_log "Dump saved as: $dump_name"
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# bk_upload_file "$dump_name"
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#
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# else
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# rm "$dump_name"
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# bk_err "Something went wrong. Dump size is 0 bytes. Removing $dump_name"
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# fi
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#}
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