add promtail role

roles/promtail/molecule/default/verify.yml

@@ -0,0 +1,19 @@
+---
+- name: Verify
+  hosts: all
+  gather_facts: false
+  tasks:
+    # https://github.com/ansible/molecule/issues/3587#issuecomment-1158650179
+    - name: "Include default vars"
+      ansible.builtin.include_vars:
+        dir: "{{ lookup('env', 'MOLECULE_PROJECT_DIRECTORY') }}/defaults/"
+        extensions: [ 'yml' ]
+
+    - name: "Sanity check the Promtail daemon"
+      retries: 3
+      delay: 1
+      register: this
+      failed_when: "this.content != 'Ready'"
+      ansible.builtin.uri:
+        url: "http://localhost:{{ promtail_http_port }}/ready"
+        return_content: true