in libraries/ceph_chef_helper.rb [313:324]
def ceph_chef_mon_env_search_string
search_string = 'ceph_is_mon:true'
if node['ceph']['search_environment'].is_a?(String)
search_string += " AND chef_environment:#{node['ceph']['search_environment']}"
elsif node['ceph']['search_environment']
search_string += " AND chef_environment:#{node.chef_environment}"
end
search_string
end