Add mysql db creation to trusty playbook vars

Author: scollazo

playbooks/archivematica/vars-singlenode-1.7.yml

@@ -31,4 +31,15 @@ elasticsearch_thread_pools:
 
 # percona role
 
+mysql_databases:
+  - name: "{{ archivematica_src_am_db_name }}"
+    collation: "utf8_general_ci"
+    encoding: "utf8"
+
+mysql_users:
+  - name: "{{ archivematica_src_am_db_user }}"
+    pass: "{{ archivematica_src_am_db_password }}"
+    priv: "{{ archivematica_src_am_db_name }}.*:ALL,GRANT"
+    host: "{{ archivematica_src_am_db_host }}"
+
 mysql_root_password: "ChangeMe!"