Query: docker_info_swarm_minimum_required_manager_nodes

select
  id as resource,
  case
    when (swarm ->> 'Managers')::int > 0 then 'ok'
    else 'alarm'
  end as status,
  case
    when (swarm ->> 'Managers')::int > 0 then name || ' minimum number of manager nodes have not been created.'
    else name || ' minimum number of manager nodes have been created.'
  end as reason
  , _ctx ->> 'connection_name' as connection_name
from
  docker_info;