Created
May 3, 2019 21:42
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BASH script for a 2 week rotation of MySQL backups with a standardized name - run as cronjob every 2 or 4 hours.
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| #!/bin/bash | |
| #Copyright (c) 2019 Alamance-Burlington Schools, MIT License | |
| cd "$HOME/backups" | |
| usernm="usernm" | |
| passwd="passwd" | |
| table="dbtable" | |
| week="$( date +%-V )" | |
| day="$( date +%u )" | |
| hour="$( date +%-H )" | |
| #Use modulo 2 to flatten rotating week numbers | |
| (( week = 2 - ( week % 2 ) )) | |
| #Use integer division to floor to the even hour | |
| (( hour = hour / 2 * 2 )) | |
| mysqldump --quick --single-transaction -u"$usernm" -p"$passwd" "$table" | gzip > "$table.$week-$day-$hour.sql.gz" | |
| #End of File |
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