role slapd: can load additionnal schema and load arbitrary ldif files to be put in template directory

tasks/import_ldap_schema.yml

@@ -0,0 +1,12 @@
+- name: debug
+  debug:
+     msg: "schema {{ schema }}"
+
+- name: check if schema is loaded
+  command: "ldapsearch -LLL -Y EXTERNAL -H ldapi:/// -b cn=schema,cn=config dn"
+  register: ldap_schema_list
+
+- name: import additional schemas
+  command: "ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/openldap/schema/{{ schema }}.ldif"
+  when: schema not in ldap_schema_list.stdout
+