[fix] Create sockPath if it does not exist already. Fixes #92

lib/forever.js

@@ -16,6 +16,7 @@ var fs = require('fs'),
     cliff = require('cliff'),
     daemon = require('daemon'),
     nconf = require('nconf'),
+    mkdirp = require('mkdirp').mkdirp,
     portfinder = require('portfinder'),
     timespan = require('timespan'),
     winston = require('winston');
@@ -724,13 +725,8 @@ forever.columns = {
 // Returns all data for processes managed by forever.
 //
 function getAllProcesses (callback) {
-  var results = [],
-      sockPath = forever.config.get('sockPath'),
-      sockets = fs.readdirSync(sockPath);
-
-  if (sockets.length === 0) {
-    return callback();
-  }
+  var sockPath = forever.config.get('sockPath'),
+      results = [];
 
   function getProcess (name, next) {
     var fullPath = path.join(sockPath, name),
@@ -761,11 +757,41 @@ function getAllProcesses (callback) {
     socket.connect(fullPath);
   }
 
-  async.forEach(sockets, getProcess, function () {
-    callback(results);
-  });
+  getSockets(sockPath, function (err, sockets) {
+    if (err || (sockets && sockets.length === 0)) {
+      return callback(err);
+    }
+
+    async.forEach(sockets, getProcess, function () {
+      callback(results);
+    });
+  })
 };
 
+//
+// ### function getSockets (sockPath, callback)
+// #### @sockPath {string} Path in which to look for UNIX domain sockets
+// #### @callback {function} Continuation to pass control to when complete
+// Attempts to read the files from `sockPath` if the directory does not exist,
+// then it is created using `mkdirp`.
+//
+function getSockets (sockPath, callback) {
+  try {
+    var sockets = fs.readdirSync(sockPath);
+  }
+  catch (ex) {
+    if (ex.code !== 'ENOENT') {
+      return callback(ex);
+    }
+
+    return mkdirp(sockPath, 0755, function (err) {
+      return err ? callback(err) : callback(null, []);
+    });
+  }
+
+  callback(null, sockets);
+}
+
 //
 // ### function getAllPids ()
 // Returns the set of all pids managed by forever.

package.json

@@ -30,6 +30,7 @@
     "cliff": "0.x.x",
     "eyes": "0.1.x",
     "daemon": "0.3.x",
+    "mkdirp": "0.x.x",
     "nconf": "0.x.x",
     "optimist": "0.2.x",
     "pkginfo": "0.x.x",