add grafana role

roles/grafana/molecule/default/verify.yml

@@ -0,0 +1,41 @@
+---
+- name: Verify
+  hosts: all
+  gather_facts: false
+  any_errors_fatal: true
+  vars_files:
+    - admin_cred.yml
+
+  tasks:
+
+    - name: "Include default vars"
+      ansible.builtin.include_vars:
+        dir: "{{ lookup('env', 'MOLECULE_PROJECT_DIRECTORY') }}/defaults/"
+        extensions: [ 'yml' ]
+
+    - name: "Check if Grafana is installed"
+      changed_when: false
+      ansible.builtin.command: "grafana-server -v"
+      register: grafana_installed_version
+
+    - name: "Check Grafana version"
+      ansible.builtin.assert:
+        that: "grafana_installed_version.stdout is regex('{{ grafana_version }}')"
+        success_msg: "grafana version {{ grafana_version }} is installed and working"
+        fail_msg: "grafana version {{ grafana_version }} is not installed or not working correctly"
+
+    # kics-scan ignore-block
+    - name: "Check if Grafana login page is reachable"
+      ansible.builtin.uri:
+        url: "http://localhost:{{ grafana_port }}/api/health"
+        return_content: true
+        status_code: 200
+        method: GET
+        body_format: json
+      register: grafana_health
+
+    - name: "Debug Grafana health status"
+      ansible.builtin.assert:
+        that: grafana_health.json.database == "ok"
+        success_msg: "Grafana is healthy"
+        fail_msg: "Grafana is not healthy"