[ansible/artifactory] Assert that database username and password are …

…defined. (#336)

* Assert that database username and password are defined.

Signed-off-by: Bas Meijer <bas.meijer@enexis.nl>

* Assertion at the start of the postgres role.

---------

Signed-off-by: Bas Meijer <bas.meijer@enexis.nl>

Ansible/ansible_collections/jfrog/platform/roles/postgres/tasks/install.yml

@@ -1,3 +1,13 @@
+- name: Assert database username and password are defined
+  ansible.builtin.assert:
+    that:
+      - curr_user.username is defined
+      - curr_user.password is defined
+  loop: "{{ database | dict2items | map(attribute='value') | list }}"
+  loop_control:
+    loop_var: curr_user
+  when: curr_user.enabled | bool
+
 - name: Define OS-specific variables
   ansible.builtin.include_vars: "{{ ansible_os_family }}.yml"