#!/bin/bash # # Bashup - A set of bash scripts for managing backups. # https://git.stack-source.com/msb/bashup # MIT License Copyright (c) 2021 Matthew Saunders Brown # load include file source $(dirname $0)/bashup.sh help() { thisfilename=$(basename -- "$0") echo "Bashup - A set of bash scripts for managing backups." echo "https://git.stack-source.com/msb/bashup" echo "MIT License Copyright (c) 2021 Matthew Saunders Brown" echo "" echo "Restore database from backup." echo "" echo "Usage: $thisfilename [-b ] [-d ] [-n] [-h]" echo "" echo " -b Backup date/archive to restore from." echo " -d Database to restore." echo " -n Dry-run - don't actually restore, just echo commands needed for restore." echo " -h Print this help." echo " You will be prompted to select backup date and/or" echo " database name from a list of available options" echo " if they are not specified on the command line." exit } # set any options that were passed while getopts "b:d:nh" opt; do case "${opt}" in h ) help exit;; b ) backup=${OPTARG} ;; d ) database=${OPTARG} ;; n ) dryrun=true ;; \? ) echo "Invalid option: $OPTARG" 1>&2 exit 1;; : ) echo "Invalid option: $OPTARG requires an argument" 1>&2 exit 1;; esac done bashup::set-existing_backups # prompt if backup was not set on command line if [ -z "$backup" ] ; then # select backup to restore from PS3="Select number of backup to restore from: " existing_backups_len=${#existing_backups[@]} select backup in ${existing_backups[@]} do if [[ $REPLY -gt 0 ]] && [[ $REPLY -le $existing_backups_len ]]; then echo $backup break else echo "ERROR: Invalid entry, try again." fi done fi # set dump if database was set via command option if [ ! -z "$database" ] ; then dump="$database.sql.gz" else if [ -d $backup_storage_dir/$backup/mysql ]; then # get list of dbs in backup existing_dumps=($(ls $backup_storage_dir/$backup/mysql)) # set array with names of dbs (without .sql.gz suffix) declare -a existing_dumps_db_names for existing_dump in "${existing_dumps[@]}"; do existing_dumps_db_name="$(basename $existing_dump .sql.gz)" existing_db_names+=("$existing_dumps_db_name") done # select database dump to restore PS3="Select number of database to restore: " existing_db_names_len=${#existing_db_names[@]} select database in ${existing_db_names[@]} do if [[ $REPLY -gt 0 ]] && [[ $REPLY -le $existing_db_names_len ]]; then dump=$database.sql.gz break else echo "ERROR: Invalid entry, try again." fi done else echo "ERROR: Backup dir for $backup/mysql/ does not exist." exit 1 fi fi # check that dump exists and restore it now if [ -d $backup_storage_dir/$backup ]; then if [ -f $backup_storage_dir/$backup/mysql/$dump ]; then if [[ -n $dryrun ]]; then echo $MOUNT echo "/usr/bin/zcat $backup_storage_dir/$backup/mysql/$dump | mysql --defaults-extra-file=$mysql_defaults_extra_file $database" echo $UMOUNT else echo "running:" echo "/usr/bin/zcat $backup_storage_dir/$backup/mysql/$dump | mysql --defaults-extra-file=$mysql_defaults_extra_file $database" /usr/bin/zcat $backup_storage_dir/$backup/mysql/$dump | mysql --defaults-extra-file=$mysql_defaults_extra_file $database fi else echo "ERROR: Dump for database $database does not exist in the $backup backup dir." exit 1 fi else echo "ERROR: Backup dir for $backup does not exist." exit 1 fi bashup::unmount_storage_dir exit 0