ping endpoint

Author: apocas

lib/docker.js

@@ -197,6 +197,26 @@ Docker.prototype.version = function(callback) {
   });
 };
 
+Docker.prototype.ping = function(callback) {
+  if (!callback && typeof(opts) === 'function') {
+    callback = opts;
+    opts = null;
+  }
+
+  var optsf = {
+    path: '/_ping',
+    method: 'GET',
+    statusCodes: {
+      200: true,
+      500: "server error"
+    }
+  };
+
+  this.modem.dial(optsf, function(err, data) {
+    callback(err, data);
+  });
+};
+
 Docker.prototype.getEvents = function(opts, callback) {
   if (!callback && typeof(opts) === 'function') {
     callback = opts;

test/docker.js

@@ -68,6 +68,19 @@ describe("#docker", function() {
     });
   });
 
+  describe("#getPing", function() {
+    it("should ping server", function(done) {
+      this.timeout(30000);
+
+      function handler(err, data) {
+        expect(err).to.be.null;
+        done();
+      }
+
+      docker.ping(handler);
+    });
+  });
+
   describe('#pull', function() {
     this.timeout(120000);