GuillaumeHemmen/docker-mysql-cron-backup
1
0
Fork 0
mirror of https://github.com/fradelg/docker-mysql-cron-backup.git synced 2025-01-18 16:22:33 +01:00
Code Issues Projects Releases Packages Wiki Activity

merge PR #14 from alancnet/master

Browse source 
Enhancements
This commit is contained in:
Fco. Javier Delgado del Hoyo 2018-04-27 09:06:35 +02:00 committed by GitHub
commit 4c71297f03
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 4 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
README.md
View file

@ -20,6 +20,7 @@ This docker image runs mysqldump to backup your databases periodically using cro
MYSQL_USER the username of your mysql database
MYSQL_PASS the password of your mysql database
MYSQL_DB the database name to dump. Default: `--all-databases`
MYSQLDUMP_OPTS command line arguments to pass to mysqldump. Example: `--single-transaction`
CRON_TIME the interval of cron job to run mysqldump. `0 0 * * *` by default, which is every day at 00:00
MAX_BACKUPS the number of backups to keep. When reaching the limit, the old backup will be discarded. No limit by default
INIT_BACKUP if set, create a backup when the container starts

6
backup.sh
View file

@ -1,17 +1,17 @@
#!/bin/bash
[ -z "${MYSQL_USER}" ] && { echo "=> MYSQL_USER cannot be empty" && exit 1; }
[ -z "${MYSQL_PASS}" ] && { echo "=> MYSQL_PASS cannot be empty" && exit 1; }
[ -z "${MYSQL_PASS:=$MYSQL_PASSWORD}" ] && { echo "=> MYSQL_PASS cannot be empty" && exit 1; }
DATE=$(date +%Y%m%d%H%M)
echo "=> Backup started at $DATE"
databases=$(mysql -h "$MYSQL_HOST" -P "$MYSQL_PORT" -u "$MYSQL_USER" -p"$MYSQL_PASS" -e "SHOW DATABASES;" | tr -d "| " | grep -v Database)
databases=${MYSQL_DATABASE:-${MYSQL_DB:-$(mysql -h "$MYSQL_HOST" -P "$MYSQL_PORT" -u "$MYSQL_USER" -p"$MYSQL_PASS" -e "SHOW DATABASES;" | tr -d "| " | grep -v Database)}}
for db in $databases
do
if [[ "$db" != "information_schema" ]] && [[ "$db" != "performance_schema" ]] && [[ "$db" != "mysql" ]] && [[ "$db" != _* ]]
then
echo "Dumping database: $db"
FILENAME=/backup/$DATE.$db.sql
if mysqldump -h "$MYSQL_HOST" -P "$MYSQL_PORT" -u "$MYSQL_USER" -p"$MYSQL_PASS" --databases "$db" > "$FILENAME"
if mysqldump -h "$MYSQL_HOST" -P "$MYSQL_PORT" -u "$MYSQL_USER" -p"$MYSQL_PASS" --databases "$db" $MYSQLDUMP_OPTS > "$FILENAME"
then
gzip -f "$FILENAME"
else