ansible-infra/roles/common/tasks/node_exporter.yml

---
# Install and configure node-exporter
- name: Include role for installing node-exporter
  include_role:
    name: cloudalchemy.node-exporter
    public: yes
  vars:
    node_exporter_web_listen_address: "localhost:{{ node_exporter_port }}"

- name: Configure Nginx for node-exporter
  import_role:
    name: nginx
  vars:
    nginx_config_file: node-exporter.conf
    nginx_server:
      name: "{{ inventory_hostname }}"
      port: "{{ node_exporter_public_port }}"
      locations:
      - path: "{{ node_exporter_path }}"
        basic_auth:
          file: .htpasswd.node-exporter
          password: "{{ node_exporter_password }}"
        proxy_pass:
          port: "{{ node_exporter_port }}"
          path: /metrics

- name: Allow node-exporter port {{ node_exporter_public_port }}
  ufw:
    rule: allow
    port: "{{ node_exporter_public_port }}"

- name: Trigger node-exporter handlers
  meta: flush_handlers