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|
#
# mysql handler script for backupninja
#
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 yes
getconf sqldump no
getconf user root
getconf vsname
# If vservers are configured, decide if the handler should
# use them or if it should just operate on the host
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"
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 $hotdir
fi
# create .my.cnf
# only if dbusername and dbpassword specified.
# we create a tmp file because we don't want to have to
# specify the password on the command line.
defaultsfile=""
if [ "$dbusername" != "" -a "$dbpassword" != "" ]; then
mycnf="/tmp/backupninja.$$.my.cnf"
if [ -f $mycnf ]; then
debug "rm $mycnf"
rm $mycnf
fi
oldmask=`umask`
umask 077
cat > $mycnf <<EOF
# auto generated backupninja mysql conf
[mysql]
user=$dbusername
password=$dbpassword
[mysqldump]
user=$dbusername
password=$dbpassword
[mysqlhotcopy]
user=$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
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`
code=$?
if [ "$code" == "0" ]; then
debug $output
info "Successfully finished hotcopy of all mysql databases"
else
warning $output
warning "Failed to hotcopy all mysql databases"
fi
fi
else
for db in $databases; do
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`
code=$?
if [ "$code" == "0" ]; then
debug $output
info "Successfully finished hotcopy of mysql database $db"
else
warning $output
warning "Failed to hotcopy mysql database $db"
fi
fi
done
fi
fi
## SQL DUMP
if [ "$sqldump" == "yes" ]; then
if [ "$databases" == "all" ]; then
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
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`
code=$?
if [ "$code" == "0" ]; then
debug $output
info "Successfully finished dump of mysql database $db"
else
warning $output
warning "Failed to dump mysql databases $db"
fi
fi
done
if [ "$compress" == "yes" ]; then
output=`$GZIP -f $vroot$dumpdir/*.sql 2>&1`
debug $output
fi
fi
# clean up tmp config file
if [ -f "$mycnf" ]; then
debug "rm $mycnf"
rm $mycnf
fi
return 0
|
