Created
June 12, 2013 03:01
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mysql live backup, no downtime via a replication and freebsd snapshot
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| #!/bin/sh | |
| # @author: Danny Fullerton - Mantor Organization | |
| error=0 | |
| errormakesnap="" | |
| errorstop="" | |
| errorstart="" | |
| expr $1 + 0 > /dev/null 2>&1 | |
| if [ $? -ne 0 ]; then | |
| echo "'Number of backup' argument is not integer value." | |
| exit 1 | |
| fi | |
| if [ $1 -gt 20 -o $1 -lt 0 ]; then | |
| echo "'Number of backup' argument should be between 0 and 20." | |
| exit 1 | |
| fi | |
| num_of_backup=$1 | |
| /usr/sbin/jexec `/usr/sbin/jls | /usr/bin/grep secor | /usr/bin/awk '{print $1}'` /usr/local/etc/rc.d/mysql-server stop > /dev/null | |
| _return=$? | |
| # make snapshot if mysql exit normaly | |
| # max 20 snapshot tagged 'daily' : /var/db/mysql/.snap/daily.[0-9]{1,2} | |
| if [ $_return -ne 0 ]; then | |
| errorstop="ERROR: mysql-server stop returned $_return" | |
| error=1 | |
| else | |
| /usr/local/sbin/snapshot make -g$num_of_backup /jails/secor/var/db/mysql:daily > /dev/null 2>&1 | |
| _return=$? | |
| if [ $_return -ne 0 ]; then | |
| sleep 600 | |
| /usr/local/sbin/snapshot make -g$num_of_backup /jails/secor/var/db/mysql:daily > /dev/null 2>&1 | |
| _return=$? | |
| if [ $_return -ne 0 ]; then | |
| errormakesnap="ERROR: snapshot creation returned $_return" | |
| error=1 | |
| fi | |
| fi | |
| fi | |
| /usr/sbin/jexec `/usr/sbin/jls | /usr/bin/grep secor | /usr/bin/awk '{print $1}'` /usr/local/etc/rc.d/mysql-server start > /dev/null | |
| _return=$? | |
| if [ $_return -ne 0 ]; then | |
| errorstart="ERROR: mysql-server start returned $_return" | |
| error=1 | |
| fi | |
| # display error (cron will send an email) | |
| if [ $error -eq 1 ]; then | |
| echo $errorstop | |
| echo $errormakesnap | |
| echo $errorstart | |
| exit 1 | |
| fi | |
| exit 0 |
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