X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=handlers%2Fmysql;h=8283ba4a00ac86add0dcbcf42a4d7617f3d02222;hb=a56165ce12dbf68ee8522aa5bf0c40aa7928e399;hp=165ebc68829c35ec63a59154183c7d0e0b5b19e1;hpb=6bc45553f06e6c9b7c1162253bd0e28f3b07bbf2;p=matthijs%2Fupstream%2Fbackupninja.git diff --git a/handlers/mysql b/handlers/mysql index 165ebc6..8283ba4 100644 --- a/handlers/mysql +++ b/handlers/mysql @@ -3,38 +3,65 @@ # getconf backupdir /var/backups/mysql +getconf configfile /etc/mysql/debian.cnf getconf databases all getconf compress yes getconf dbusername getconf dbpassword getconf dbhost localhost -getconf hotcopy no +getconf hotcopy yes getconf sqldump no getconf user root +getconf vsname -# create backup dirs +# If vservers are configured, decide if the handler should +# use them or if it should just operate on the host -[ -d $backupdir ] || mkdir -p $backupdir -[ -d $backupdir ] || fatal "Backup directory '$backupdir'" +if [ "$VSERVERS" = "yes" ] +then + if [ ! -z $vsname ] + then + info "Using vserver '$vsname'" + usevserver=1 + else + info "No vserver name specified, actions will be performed on the host" + fi +fi + +# Check to make sure that the specified vserver exists +if [ $usevserver ] +then + vroot="$VROOTDIR/$vsname" + [ -d $vroot ] || fatal "vserver '$vsname' does not exist at '$vroot'" +fi + +# create backup dirs, the vroot variable will be empty if no vsname was specified +# and will proceed to operate on the host +[ -d $vroot$backupdir ] || mkdir -p $vroot$backupdir +[ -d $vroot$backupdir ] || fatal "Backup directory '$vroot$backupdir'" hotdir="$backupdir/hotcopy" dumpdir="$backupdir/sqldump" -[ "$sqldump" == "no" -o -d $dumpdir ] || mkdir -p $dumpdir -[ "$hotcopy" == "no" -o -d $hotdir ] || mkdir -p $hotdir + +if [ $usevserver ] +then + [ "$sqldump" == "no" -o -d $vroot$dumpdir ] || $VSERVER $vsname exec mkdir -p $dumpdir + [ "$hotcopy" == "no" -o -d $vroot$hotdir ] || $VSERVER $vsname exec mkdir -p $hotdir +else + [ "$sqldump" == "no" -o -d $dumpdir ] || mkdir -p $dumpdir + [ "$hotcopy" == "no" -o -d $hotdir ] || mkdir -p $hotdir +fi # create .my.cnf - # (we do this because we don't want to have to specify the password on the command line - # because then anyone would be able to see it with a 'ps aux'. instead, we create a - # temporary ~/.my.cnf in root's home directory). +# only if dbusername and dbpassword specified. +# we create a tmp file because we don't want to have to +# specify the password on the command line. -if [ "$dbusername" != "" ]; then - home=`grep '^root' /etc/passwd | awk -F: '{print $6}'` - [ -d $home ] || fatal "Can't find root's home directory ($home)." - mycnf="$home/.my.cnf" +defaultsfile="" +if [ "$dbusername" != "" -a "$dbpassword" != "" ]; then + mycnf="/tmp/backupninja.$$.my.cnf" if [ -f $mycnf ]; then - # rename temporarily - tmpcnf="$home/my.cnf.disable" - debug "mv $mycnf $tmpcnf" - mv $mycnf $tmpcnf + debug "rm $mycnf" + rm $mycnf fi oldmask=`umask` umask 077 @@ -53,13 +80,22 @@ user=$dbusername password=$dbpassword EOF umask $oldmask + defaultsfile="--defaults-file $mycnf" +else + # otherwise, use $configfile + defaultsfile="--defaults-file $configfile" fi - + ## HOT COPY if [ "$hotcopy" == "yes" ]; then if [ "$databases" == "all" ]; then - execstr="$MYSQLHOTCOPY --quiet --allowold --regexp /.\*/./.\*/ $hotdir" + if [ $usevserver ] + then + execstr="$VSERVER $vsname exec $MYSQLHOTCOPY $defaultsfile --quiet --allowold --regexp /.\*/./.\*/ $hotdir" + else + execstr="$MYSQLHOTCOPY $defaultsfile --quiet --allowold --regexp /.\*/./.\*/ $hotdir" + fi debug "su $user -c '$execstr'" if [ ! $test ]; then output=`su $user -c "$execstr" 2>&1` @@ -74,7 +110,12 @@ if [ "$hotcopy" == "yes" ]; then fi else for db in $databases; do - execstr="$MYSQLHOTCOPY --allowold $db $hotdir" + if [ $usevserver ] + then + execstr="$VSERVER $vsname exec $MYSQLHOTCOPY $defaultsfile --allowold $db $hotdir" + else + execstr="$MYSQLHOTCOPY $defaultsfile --allowold $db $hotdir" + fi debug "su $user -c '$execstr'" if [ ! $test ]; then output=`su $user -c "$execstr" 2>&1` @@ -95,11 +136,21 @@ fi if [ "$sqldump" == "yes" ]; then if [ "$databases" == "all" ]; then - databases=`echo 'show databases' | su $user -c "$MYSQL" | grep -v Database` + if [ $usevserver ] + then + databases=`echo 'show databases' | $VSERVER $vsname exec su $user -c "$MYSQL $defaultsfile" | grep -v Database` + else + databases=`echo 'show databases' | su $user -c "$MYSQL $defaultsfile" | grep -v Database` + fi fi for db in $databases; do - execstr="$MYSQLDUMP --lock-tables --complete-insert --add-drop-table --quick --quote-names $db > $dumpdir/${db}.sql" + if [ $usevserver ] + then + execstr="$VSERVER $vsname exec $MYSQLDUMP $defaultsfile --lock-tables --complete-insert --add-drop-table --quick --quote-names $db > $vroot$dumpdir/${db}.sql" + else + execstr="$MYSQLDUMP $defaultsfile --lock-tables --complete-insert --add-drop-table --quick --quote-names $db > $dumpdir/${db}.sql" + fi debug "su $user -c '$execstr'" if [ ! $test ]; then output=`su $user -c "$execstr" 2>&1` @@ -115,19 +166,15 @@ if [ "$sqldump" == "yes" ]; then done if [ "$compress" == "yes" ]; then - output=`$GZIP -f $dumpdir/*.sql 2>&1` + output=`$GZIP -f $vroot$dumpdir/*.sql 2>&1` debug $output fi fi -if [ "$dbusername" != "" ]; then - ## clean up tmp config file +# clean up tmp config file +if [ -f "$mycnf" ]; then debug "rm $mycnf" rm $mycnf - if [ -f "$tmpcnf" ]; then - debug "mv $tmpcnf $mycnf" - mv $tmpcnf $mycnf - fi fi return 0