#!/bin/bash
# br, sept 2007 - Dec 2010

SOURCEDIR=/mnt/my-mountpoint                      # full path
SERVER=local         # could also be user@hostname, or "local" if local ma$
DESTDIR=/mnt/backup1/damia-mountpoint             # full path, or relative to home dir$

NYEARS=3
NMONTHS=12
NWEEKS=4
NDAYS=7

# filter: can be used in every directory within the "source" dir.
FILTER=--filter='dir-merge .filter-rule'

# other rsync options
RSYNCOPTS=""

# functions run just before and after the rsync. Could be useful to create
# database dumps, etc...
function beforesync() {
    # next line may be removed if you do something. bash does not like empty
    # functions
    log -s -t "calling user beforesync: mysql databases dumps..."

    datadir=$(mysql -sN -u root -p'@Fa1952%' -e 'select @@datadir')
    # log "mysql datadir=${datadir}"
    rm -f "{datadir}/${FILTERNAME}"

    databases=($(mysql -sN -u root -p'@Fa1952%' -e "SHOW DATABASES;"))

    for db in "${databases[@]}"
    do
        # do not backup database contents itself
        echo "- /${db}/*" >> "${datadir}/${FILTERNAME}"
        log -n "${db}... "
        case "$db" in
            information_schema|performance_schema)
                log "skipped."
                ;;
            *)
                log -n "dumping to ${datadir}${db}.sql... "
                mysqldump --user=root --routines "$db" > "$datadir/$db.sql"
                log -n "compressing... "
                gzip -f "${datadir}/${db}.sql"
                log "done."
        esac
    done
    # log "filtername contains:"
    # cat ${datadir}/${FILTERNAME}
}

function aftersync() {
    # we may remove the dump here...
    log -s -t "calling user aftersync"
}