role must not be be named like a host

roles/webservers/tasks/main.yml

@@ -0,0 +1,22 @@
+# Load distro-specific variables
+- include_vars: "{{ ansible_distribution | lower }}.yml"
+  tags: always
+
+- block:
+  - debug:
+      msg: Debug
+  # install software
+  - import_tasks: install_apache.yml
+    when:
+      - apache is defined
+      - apache == true
+  - import_tasks: install_nginx.yml
+    when:
+      - nginx is defined
+      - nginx == true
+  - import_tasks: install_php.yml
+  - name: webservers | certbot | install certbot
+    package:
+      name: certbot
+      state: latest
+  - include_tasks: apps/apps.yml