static unfloodES (req, res) {
    Db.setIndexSettings('*', {
      body: { 'index.blocks.read_only_allow_delete': null },
      cluster: req.query.cluster
    });
    return res.send(JSON.stringify({ success: true, text: 'Unflooded' }));
  }
POST - /api/esadmin/unflood

Try and clear any indices marked as flooded (es admin only - set in config with <a href="settings#esadminusers">esAdminUsers</a>).
@name /esadmin/unflood
@returns {boolean} success - Always true
@returns {string} text - The success message to (optionally) display to the user.