in libraries/ceph_chef_helper.rb [616:620]
def ceph_chef_ip_address_to_ceph_chef_address(ip, params)
return "#{ip}:#{node['ceph']['mon']['port']}" if params['family'].eql?('inet')
return "[#{ip}]:#{node['ceph']['mon']['port']}" if params['family'].eql?('inet6')
end