forked from GNUsocial/gnu-social
b42cc773ed
This script helps move a statusnetwork from one DB server to another. It's for use with multi-site installations (like status.net).
103 lines
3.0 KiB
Bash
Executable File
103 lines
3.0 KiB
Bash
Executable File
#!/bin/bash
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# live fast! die young!
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set -e
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# move_status_network.sh nickname newserver
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export nickname="$1"
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export newdbhost="$2"
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source /etc/statusnet/setup.cfg
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function set_maintenance_mode()
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{
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local nickname=$1;
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php $PHPBASE/scripts/settag.php $nickname maintenancemode;
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}
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function get_current_db_info()
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{
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local nickname=$1;
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#FIXME I couldn't make this work better
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export dbhost=`mysql -NB -h $SITEDBHOSTNAME -u $ADMIN --password=$ADMINPASS -e "SELECT dbhost FROM status_network WHERE nickname = '$nickname'" $SITEDB`
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export dbuser=`mysql -NB -h $SITEDBHOSTNAME -u $ADMIN --password=$ADMINPASS -e "SELECT dbuser FROM status_network WHERE nickname = '$nickname'" $SITEDB`
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export dbpass=`mysql -NB -h $SITEDBHOSTNAME -u $ADMIN --password=$ADMINPASS -e "SELECT dbpass FROM status_network WHERE nickname = '$nickname'" $SITEDB`
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export dbname=`mysql -NB -h $SITEDBHOSTNAME -u $ADMIN --password=$ADMINPASS -e "SELECT dbname FROM status_network WHERE nickname = '$nickname'" $SITEDB`
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}
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function create_empty_db()
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{
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local newdbhost=$1;
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local dbuser=$2;
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local dbpass=$3;
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local dbname=$4;
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mysqladmin -h $newdbhost -u $ADMIN --password=$ADMINPASS create $dbname;
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mysql -h $newdbhost -u $ADMIN --password=$ADMINPASS -e "GRANT ALL ON $dbname.* TO '$dbuser'@'localhost' IDENTIFIED BY '$dbpass';" $dbname;
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mysql -h $newdbhost -u $ADMIN --password=$ADMINPASS -e "GRANT ALL ON $dbname.* TO '$dbuser'@'%' IDENTIFIED BY '$dbpass';" $dbname;
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}
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function transfer_data()
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{
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local dbhost=$1;
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local newdbhost=$2;
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local dbuser=$3;
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local dbpass=$4;
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local dbname=$5;
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local dumpfile=`mktemp`;
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mysqldump -h $dbhost -u $ADMIN --password=$ADMINPASS $dbname > $dumpfile;
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mysql -h $newdbhost -u $ADMIN --password=$ADMINPASS $dbname < $dumpfile;
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rm $dumpfile;
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}
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function update_routing_table()
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{
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local nickname=$1;
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local newdbhost=$2;
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mysql -h $SITEDBHOSTNAME -u $ADMIN --password=$ADMINPASS -e "UPDATE status_network set dbhost = '$newdbhost' where nickname = '$nickname'" $SITEDB
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}
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function flush_site()
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{
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local nickname=$1;
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php $PHPBASE/scripts/flushsite.php -s$nickname.$WILDCARD
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}
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function unset_maintenance_mode()
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{
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local nickname=$1;
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php $PHPBASE/scripts/settag.php -d $nickname maintenancemode;
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}
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echo -n Setting maintenance mode on $nickname...
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set_maintenance_mode $nickname
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echo DONE.
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echo -n Getting current database info...
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get_current_db_info $nickname
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echo DONE.
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echo -n Creating empty $dbname database on server $newdbhost...
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create_empty_db $newdbhost $dbuser $dbpass $dbname
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echo DONE
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echo -n Copying $dbname database from $dbhost to $newdbhost...
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transfer_data $dbhost $newdbhost $dbuser $dbpass $dbname
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echo DONE
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echo -n Updating the routing table for $nickname to use $dbname on $newdbhost...
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update_routing_table $nickname $newdbhost
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echo DONE
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echo -n Flushing $nickname site from cache...
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flush_site $nickname
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echo DONE
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echo -n Turning off maintenance mode on $nickname...
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unset_maintenance_mode $nickname
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echo DONE.
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