fix non-informative task name

tasks/configure.yml

@@ -9,7 +9,7 @@
     - "/etc/grafana/provisioning"
     - "/etc/grafana/provisioning/datasources"
 
-- name: Copy the template
+- name: Create grafana main configuration file
   template:
     src: grafana.ini.j2
     dest: /etc/grafana/grafana.ini

tasks/preflight.yml

@@ -1,4 +1,11 @@
 ---
+- name: Check variable types
+  assert:
+    that:
+      - grafana_server is mapping
+      - grafana_database is mapping
+      - grafana_security is mapping
+
 - name: Fail on unsupported system architectures
   fail:
     msg: "Sorry grafana doesn't support {{ ansible_architecture }} on this OS family ({{ ansible_os_family }}). Exiting."