Blackbox exporter form login

modules:
  http_2xx:
    prober: http
    timeout: 5s
    http:
      method: POST
      headers:
        Content-Type: 'application/x-www-form-urlencoded'
      params:
        - name: 'username'
          value: 'your_username'
        - name: 'password'
          value: 'your_password'
      body: 'additional_post_data_if_needed'