code: function(next) {
              try { process.umask(core.umask); } catch(e) { logger.error("umask:", core.umask, e) }
  
              // Create all subfolders with permissions, run it before initializing db which may create files in the spool folder
              if (!cluster.isWorker && !core.worker) {
                  Object.keys(core.path).forEach(function(p) {
                      var paths = Array.isArray(core.path[p]) ? core.path[p] : [core.path[p]];
                      paths.forEach(function(x) {
                          if (!x || path.isAbsolute(x)) return;
                          lib.mkdirSync(x);
                          lib.chownSync(this.uid, this.gid, x);
                      });
                  });
              }
              next();
          }
docs: Create all directories, only master should do it once but we resolve absolute paths in any mode