83 lines
2.4 KiB
Bash
83 lines
2.4 KiB
Bash
#!/bin/bash
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RETVAL=0
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MY_BACKUP_USE_NAGIOS="False"
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MY_BACKUP_DIR=/var/lib/mysql-backup
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MY_DATA_DIR=/var/lib/mysql
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N_DAYS_TO_SPARE=7
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if [ -f /etc/default/mysql_backup ] ; then
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. /etc/default/mysql_backup
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fi
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if [ ! -f /root/.my.cnf ] ; then
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exit 1
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fi
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umask 0077
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# Year month day - hour minute second
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SAVE_TIME=$( date +%Y%m%d-%H%M%S )
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TIMESTAMP=
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TIMESTAMP_LOG=$MY_BACKUP_DIR/.timestamp
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if [ ! -d $MY_BACKUP_DIR ] ; then
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mkdir -p $MY_BACKUP_DIR
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fi
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if [ ! -d $MY_BACKUP_LOG_DIR ] ; then
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mkdir -p $MY_BACKUP_LOG_DIR
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fi
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if [ ! -d $MY_BACKUP_DIR/history ] ; then
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mkdir -p $MY_BACKUP_DIR/history
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fi
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chmod -R 700 $MY_BACKUP_DIR
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LOCKFILE=$MY_DATA_DIR/.mysqldump.lock
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NAGIOS_LOG=$MY_BACKUP_DIR/.nagios-status
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# Exclude list
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EXCLUDE_LIST='performance_schema'
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if [ ! -f $LOCKFILE ] ; then
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touch $LOCKFILE
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if [ "${MY_BACKUP_USE_NAGIOS}" == "True" ] ; then
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> $NAGIOS_LOG
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fi
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for db in $( /bin/ls -1 /var/lib/mysql/ | grep -v $EXCLUDE_LIST ) ; do
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if [ -d /var/lib/mysql/$db ] ; then
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if [ -f $MY_BACKUP_DIR/$db.sql ] ; then
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mv -f $MY_BACKUP_DIR/$db.sql $MY_BACKUP_DIR/history
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fi
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#mysqldump -uroot -f --opt -p$MYSQLPASS $db > $MY_BACKUP_DIR/$db.sql 2> $MY_BACKUP_DIR/log/$db.log
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mysqldump -f --opt $db > $MY_BACKUP_DIR/history/${db}.sql.${SAVE_TIME} 2> $MY_BACKUP_LOG_DIR/$db.log
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DUMP_RESULT=$?
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chmod 600 $MY_BACKUP_DIR/history/${db}.sql.${SAVE_TIME}
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if [ "${MY_BACKUP_USE_NAGIOS}" == "True" ] ; then
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if [ $DUMP_RESULT -ne 0 ] ; then
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echo "$db:FAILED" >> $NAGIOS_LOG
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RETVAL=$DUMP_RESULT
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else
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echo "$db:OK" >> $NAGIOS_LOG
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fi
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fi
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pushd ${MY_BACKUP_DIR}/ >/dev/null 2>&1
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rm -f $db.sql
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ln -s $MY_BACKUP_DIR/history/${db}.sql.${SAVE_TIME} ./$db.sql
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popd >/dev/null 2>&1
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fi
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done
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# Do a "flush-hosts" after the backup
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mysqladmin flush-hosts 2> $MY_BACKUP_LOG_DIR/flush-hosts.log
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TIMESTAMP=$( date +%s )
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echo "$TIMESTAMP" > $TIMESTAMP_LOG
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rm -f $LOCKFILE
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else
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RETVAL=2
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if [ "${MY_BACKUP_USE_NAGIOS}" == "True" ] ; then
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echo "old backup still running:WARNING" >> $NAGIOS_LOG
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fi
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fi
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# Remove the old backups
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find ${MY_BACKUP_DIR}/history -ctime +$N_DAYS_TO_SPARE -exec rm -f {} \;
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exit $RETVAL
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