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Mysql backup script
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| #!/bin/bash | |
| # errexit -> exit when any command fails | |
| set -o errexit | |
| # will fails exit if an pipe command fails | |
| set -o pipefail | |
| # nounset -> exit when an unsed variable is used | |
| set -o nounset | |
| db_host="127.0.0.1" | |
| while getopts ":u:p:d:h:" o; do | |
| case "${o}" in | |
| u) db_username=${OPTARG};; | |
| p) db_password=${OPTARG};; | |
| d) db_database=${OPTARG};; | |
| h) db_host=${OPTARG};; | |
| *) echo "Usage: $0 -u username -p password -d database_name [-h db.example.com]" 1>&2; exit 1;; | |
| esac | |
| done | |
| readonly timestamp=$(date +%F_%H-%M) | |
| readonly storage_path="/var/app/backup" | |
| readonly dumpfile_path="$storage_path/${db_database}_${timestamp}.sql" | |
| readonly compressed_dump_path="${dumpfile_path}.gz" | |
| if [ -d != $storage_path ]; then | |
| mkdir -p $storage_path; | |
| fi | |
| # dump database | |
| mysqldump -h $db_host -u $db_username -p$db_password $db_database > $dumpfile_path | |
| # compress file | |
| gzip -9 $dumpfile_path | |
| echo "Backup file created: $compressed_dump_path !!!" | |
| # cleaning up old backups | |
| find $storage_path -iname "${db_database}*.sql.gz" -mtime +3 -exec rm {} \; | |
| exit 0; |
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