| 1 | #!/bin/bash |
| 2 | |
| 3 | # |
| 4 | # This script backs up every database to its own file, gzipped. |
| 5 | # docelic@hcoop.net, Tue Aug 28 13:38:26 EDT 2007 |
| 6 | # |
| 7 | |
| 8 | BACKUP_ROOT=/var/backups/databases |
| 9 | BACKUP_DAYS=2 |
| 10 | |
| 11 | if ! test -d "$BACKUP_ROOT"; then |
| 12 | echo "Backup root directory '$BACKUP_ROOT' inaccessible." |
| 13 | exit 1 |
| 14 | fi |
| 15 | |
| 16 | MYSQL_DBS=`sudo -H mysqlshow --defaults-file=/root/.my.fritz.cnf | tail -n +4 | head -n -1 | cut -d' ' -f 2 | xargs` |
| 17 | echo "Mysql Databases are: $MYSQL_DBS" |
| 18 | PGSQL_DBS=`sudo -u postgres psql -h postgres template1 -c '\l' | tail -n +4 | head -n -2 | cut -d' ' -f 2 | xargs` |
| 19 | echo "Postgres Databases are: $PGSQL_DBS" |
| 20 | |
| 21 | # Delete oldest |
| 22 | rm -rf "$BACKUP_ROOT/mysql.$BACKUP_DAYS" |
| 23 | rm -rf "$BACKUP_ROOT/postgres.$BACKUP_DAYS" |
| 24 | |
| 25 | # Rotate abckup dirs |
| 26 | for day in `seq $BACKUP_DAYS -1 1`; do |
| 27 | to=".$day" |
| 28 | let day_before=" $day - 1" |
| 29 | if test "$day" = "1"; then |
| 30 | from='' |
| 31 | else |
| 32 | from=".$day_before" |
| 33 | fi |
| 34 | |
| 35 | mv -f "$BACKUP_ROOT/mysql$from" "$BACKUP_ROOT/mysql$to" 2>/dev/null |
| 36 | mv -f "$BACKUP_ROOT/postgres$from" "$BACKUP_ROOT/postgres$to" 2>/dev/null |
| 37 | done |
| 38 | |
| 39 | # Create current dump dirs |
| 40 | mkdir --mode=770 "$BACKUP_ROOT/mysql" "$BACKUP_ROOT/postgres" |
| 41 | |
| 42 | # Perform MYSQL backup |
| 43 | for db in $MYSQL_DBS; do |
| 44 | sudo -H mysqldump --defaults-file=/root/.my.fritz.cnf "$db" | gzip - > "$BACKUP_ROOT/mysql/$db.gz" |
| 45 | done |
| 46 | |
| 47 | # Perform PGSQL backup |
| 48 | for db in $PGSQL_DBS; do |
| 49 | sudo -H -u postgres pg_dump -h postgres "$db" | gzip - > "$BACKUP_ROOT/postgres/$db.gz" |
| 50 | done |
| 51 | |