Merge pull request #130 from dpn-admin/okcomputer-app-version

Add the application semantic version to the OkComputer status details

.travis.yml

@@ -10,6 +10,7 @@ branches:
 services:
   - mysql
   - postgresql
+  - redis
 
 env:
   - DB=sqlite

config/initializers/okcomputer.rb

@@ -3,3 +3,11 @@
 
 OkComputer::Registry.register 'resque_down', OkComputer::ResqueDownCheck.new
 OkComputer.make_optional %w(resque_down)
+
+# Simply report the application semantic version
+class AppVersionCheck < OkComputer::Check
+  def check
+    mark_message "dpn-server: #{DPN::Server::Application::VERSION}"
+  end
+end
+OkComputer::Registry.register 'app_version', AppVersionCheck.new

spec/integration/okcomputer_status_spec.rb

@@ -0,0 +1,18 @@
+# Copyright (c) 2015 The Regents of the University of Michigan.
+# All Rights Reserved.
+# Licensed according to the terms of the Revised BSD License
+# See LICENSE.md for details.
+
+require 'rails_helper'
+
+describe 'OkComputerStatus' do
+  describe 'GET /status' do
+    it 'returns application version' do
+      get '/status/all.json'
+      status_response = JSON.parse(response.body)
+      expect(status_response.keys).to include 'app_version'
+      message = status_response['app_version']['message']
+      expect(message).to include DPN::Server::Application::VERSION
+    end
+  end
+end