in libraries/ceph_chef_helper.rb [764:774]
def ceph_chef_ceph_chef_use_cephx?(type = nil)
type = 'cluster' if %w(cluster service client).index(type).nil?
node['ceph']['config'].nil? ||
node['ceph']['config']['global'].nil? ||
node['ceph']['config']['global']["auth #{type} required"].nil? ||
node['ceph']['config']['global']["auth #{type} required"] == 'cephx'
end