stack/erp5: Add mariadb user for replication

Use a generated password and publish its url.

stack/erp5/buildout.hash.cfg

@@ -26,7 +26,7 @@ md5sum = d10b8e35b02b5391cf46bf0c7dbb1196
 
 [template-mariadb]
 filename = instance-mariadb.cfg.in
-md5sum = 023c9d7bb40ed55e2d760d4381760819
+md5sum = 336353523d6528c3ffe06d00f5799552
 
 [template-kumofs]
 filename = instance-kumofs.cfg.in
@@ -46,7 +46,7 @@ md5sum = 2c553103f1196f95e4b6d0716a1e0638
 
 [template-mariadb-initial-setup]
 filename = mariadb_initial_setup.sql.in
-md5sum = f928b9dc99f7f970caadfe7dd6f95d34
+md5sum = 6562d4cf2325577ab39f8fe2a46d3f1c
 
 [template-postfix]
 filename = instance-postfix.cfg.in

stack/erp5/instance-mariadb.cfg.in

@@ -38,6 +38,7 @@ database-list = {{ render_database_list(database_list) }}
 test-database-list = {{ render_database_list(test_database_list) }}
 monitor-base-url = ${monitor-publish-parameters:monitor-base-url}
 replication-bootstrap-url = ${mariadb-backup-static-http-server:bootstrap-url}
+replication-primary-url = mysql://replication_user:${replication-password:passwd}@{{ ip_as_host }}:{{ port }}
 
 [publish-early]
 recipe = slapos.cookbook:publish-early
@@ -168,9 +169,14 @@ output = ${directory:etc}/mariadb.cnf
 url = {{ parameter_dict['template-my-cnf'] }}
 context = section parameter_dict my-cnf-parameters
 
+[replication-password]
+recipe = slapos.cookbook:generate.password
+storage-path = ${directory:etc}/mariadb-replication.password
+
 [init-script-parameters]
 database-list = {{ dumps(database_list + test_database_list) }}
 mroonga-mariadb-install-sql = {{ dumps(parameter_dict['mroonga-mariadb-install-sql']) }}
+replication-password = ${replication-password:passwd}
 
 [init-script]
 recipe = slapos.recipe.template:jinja2

stack/erp5/mariadb_initial_setup.sql.in

@@ -20,3 +20,8 @@ GRANT PROCESS ON *.* TO `{{ user }}`@localhost IDENTIFIED BY '{{ password }}';
 {% for entry in parameter_dict['database-list'] -%}
 {{   database(entry['name'], entry.get('user'), entry.get('password'), entry.get('with-process-privilege')) }}
 {% endfor -%}
+
+{% set replication_password = parameter_dict.get('replication-password') -%}
+{% if replication_password -%}
+GRANT REPLICATION SLAVE ON *.* TO `replication_user`@`%` IDENTIFIED BY '{{ replication_password }}';
+{%- endif %}