kolla/docker/mariadb/mariadb-server/backup.sh

57 lines
1.4 KiB
Bash

#!/usr/bin/env bash
set -eu
set -o pipefail
# Execute a full backup
backup_full() {
echo "Taking a full backup"
LAST_FULL_DATE=$(date +%d-%m-%Y)
mariabackup \
--defaults-file=/etc/mysql/my.cnf \
--backup \
--stream=xbstream \
--history=$LAST_FULL_DATE | gzip > \
$BACKUP_DIR/mysqlbackup-$(date +%d-%m-%Y-%s).qp.xbc.xbs.gz
echo $LAST_FULL_DATE > $BACKUP_DIR/last_full_date
}
# Execute an incremental backup
backup_incremental() {
echo "Taking an incremental backup"
if [ -r $BACKUP_DIR/last_full_date ]; then
LAST_FULL_DATE=$(cat $BACKUP_DIR/last_full_date)
fi
if [ -z $LAST_FULL_DATE ]; then
LAST_FULL_DATE=$(date +%d-%m-%Y)
fi
mariabackup \
--defaults-file=/etc/mysql/my.cnf \
--backup \
--stream=xbstream \
--incremental-history-name=$LAST_FULL_DATE \
--history=$LAST_FULL_DATE | gzip > \
$BACKUP_DIR/incremental-$(date +%H)-mysqlbackup-$(date +%d-%m-%Y-%s).qp.xbc.xbs.gz
}
BACKUP_DIR=/backup/
cd $BACKUP_DIR
if [ -n $BACKUP_TYPE ]; then
case $BACKUP_TYPE in
"full")
backup_full
;;
"incremental")
backup_incremental
;;
*)
echo "Only full or incremental options are supported."
exit 1
;;
esac
else
echo "You need to specify either full or incremental backup options."
exit 1
fi