Add MySQL config to vars- files

Adds `mysql_databases` and `mysql_users` keys to the `-qa`-suffixed
vars files archivematica-xenial/vars-singlenode-qa.yml and
archivematica/vars-singlenode-qa.yml.

Author: jrwdunham

playbooks/archivematica-xenial/vars-singlenode-qa.yml

@@ -29,4 +29,15 @@ 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: "MYSQLROOTPASSWORD"

playbooks/archivematica/vars-singlenode-qa.yml

@@ -29,4 +29,15 @@ 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: "U6ygtjCHQ84NuyDk"