[ci] Activates castor repo

castor-dbtools is required by cta-migration-tools

continuousintegration/docker/ctafrontend/cc7/etc/yum.repos.d/castor.repo

@@ -2,5 +2,5 @@
 name=CASTOR Repositories in LINUXSOFT
 baseurl=http://linuxsoft.cern.ch/internal/repos/castor7-testing/$basearch/os
 priority=2
-enabled=0
+enabled=1
 gpgcheck=0

continuousintegration/docker/ctafrontend/cc7/opt/run/bin/init_migration_tools.sh

 #!/bin/bash
 
-cat <<EOF
+cat <<EOF >/etc/cta/castor-migration.conf
 castor.db_login               oracle:castor/<password>@castor
 castor.json                   true
 castor.max_num_connections    1