This Scripts migrates a legacy mailcow instance to a new mailcow.dockerized one. Domains, Users, SOGo-Settings, Forwardings and Mails are migrated.

migrate-legacy-mailcow-to-dockerized.sh

#!/bin/bash
set -e

cd ~/mailcow-dockerized

DBUSER=mailcow
DBPASS=xxxxxxxxxxxxxxxxxxxx
DBNAME=mailcow
DBHOST=mailcow.lxd

TBLOLD=mailbox
TBLNEW=mailbox_new
IMPORTTBLNAMES="sogo_user_profile alias alias_domain domain domain_admins $TBLNEW quota2 sender_acl"

SSHPASS=xxxxxxxxxxxxxxxx

SQLFILE=/tmp/mailcow_legacy_import.sql
OLDMAILPATH=root@mailcow.lxd:/var/vmail
NEWMAILPATH=/var/lib/docker/volumes/mailcowdockerized_vmail-vol-1/_data

function syncmail {
 sshpass -p $SSHPASS rsync -azP --delete $OLDMAILPATH/$1/ $NEWMAILPATH/$1/
 sshpass -p $SSHPASS rsync -azP --delete $OLDMAILPATH/sieve/ $NEWMAILPATH/sieve/
}

mysql -h $DBHOST -u $DBUSER -p$DBPASS $DBNAME -e "drop table if exists $TBLNEW"
mysql -h $DBHOST -u $DBUSER -p$DBPASS $DBNAME -e "create table $TBLNEW like $TBLOLD"
mysql -h $DBHOST -u $DBUSER -p$DBPASS $DBNAME -e "insert $TBLNEW select * from $TBLOLD;"

mysql -h $DBHOST -u $DBUSER -p$DBPASS $DBNAME -e "ALTER TABLE $TBLNEW MODIFY COLUMN tls_enforce_in TINYINT(1) NOT NULL DEFAULT '0' AFTER domain, MODIFY COLUMN tls_enforce_out TINYINT(1) NOT NULL DEFAULT '0' AFTER tls_enforce_in;"
mysql -h $DBHOST -u $DBUSER -p$DBPASS $DBNAME -e 'ALTER TABLE '$TBLNEW' ADD COLUMN `kind` VARCHAR(255) NOT NULL AFTER `tls_enforce_out`, ADD COLUMN `multiple_bookings` TINYINT(1) NOT NULL DEFAULT '0' AFTER `kind`, ADD COLUMN `wants_tagged_subject` TINYINT(1) NOT NULL DEFAULT '0' AFTER `multiple_bookings`;'

mysqldump --replace --no-create-info --default-character-set=utf8mb4 \
 --host ${DBHOST} -u${DBUSER} -p${DBPASS} ${DBNAME} \
 $IMPORTTBLNAMES > $SQLFILE

mysql -h $DBHOST -u $DBUSER -p$DBPASS $DBNAME -e "drop table $TBLNEW"

sed -i -e 's/'$TBLNEW'/'$TBLOLD'/g' $SQLFILE

source mailcow.conf

docker exec -i $(docker-compose ps -q mysql-mailcow) mysql -u${DBUSER} -p${DBPASS} ${DBNAME} < $SQLFILE
rm $SQLFILE

#rm $NEWMAILPATH/* -rf

docker-compose exec dovecot-mailcow doveadm quota recalc -A

syncmail /

docker-compose exec dovecot-mailcow doveadm quota recalc -A

docker-compose restart

cd ~