add ruby 1.9.3 install + bundler, make and rake for jekyll doc support. Add vagrant port 4000 forwarding for jekyll documentation build watcher

docs/install/virtual_machine.md

@@ -83,6 +83,7 @@ The virtual machine consists of:
  - Ubuntu Server 14.04 LTS
  - Node.js 0.12.7
  - npm 2.11.3
+ - ruby 1.9.3 + rake, make and bundler (only required if building jekyll documentation)
  - Maven 3.3.3
  - Git
  - Unzip

scripts/vagrant/zeppelin-dev/README.md

@@ -70,6 +70,7 @@ The virtual machine consists of:
  - Ubuntu Server 14.04 LTS
  - Node.js 0.12.7
  - npm 2.11.3
+ - ruby 1.9.3 + rake, make and bundler (only required if building jekyll documentation)
  - Maven 3.3.3
  - Git
  - Unzip

scripts/vagrant/zeppelin-dev/Vagrantfile

@@ -37,9 +37,11 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
 
   # Forward local host port 8080 to zeppelin port 8080
   # Forward local host port 4040 to spark UI port 4040
-  # comment out the following line out to use a fixed IP
+  # Forward local host port 4000 to jekyll documentation port 4000
+  # comment out the following lines to use a fixed IP
   config.vm.network "forwarded_port", guest: 8080, host: 8080
   config.vm.network "forwarded_port", guest: 4040, host: 4040
+  config.vm.network "forwarded_port", guest: 4000, host: 4000
 
 
   # Uncomment to create a private network, which allows access to the machine

scripts/vagrant/zeppelin-dev/ansible-roles.yml

@@ -18,6 +18,7 @@
   sudo: yes
   roles:
     - common
+    - ruby
     - java7jdk
     - nodejs
     - maven

scripts/vagrant/zeppelin-dev/roles/maven/tasks/main.yml

@@ -14,7 +14,7 @@
 # limitations under the License.
 
 # setup maven
-# Assumes Ubuntu Server 14.04 LTS (HVM)
+# Assumes Ubuntu Server 14.04 LTS
 # Assumes Java 7+ jdk installed
 ---
 

scripts/vagrant/zeppelin-dev/roles/ruby/tasks/main.yml

@@ -0,0 +1,33 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# setup ruby
+# Assumes Ubuntu Server 14.04 LTS
+---
+
+- name: Install ruby 1.9.3
+  apt: pkg=ruby1.9.3 state=present
+
+- name: set global ruby version
+  alternatives: name=ruby path=/usr/bin/ruby1.9.1 link=/usr/bin/ruby
+
+- name: Install make
+  apt: pkg=make state=latest
+
+- name: Install latest available version of rake.
+  gem: name=rake state=latest user_install=no
+
+- name: Install latest available version of bundler.
+  gem: name=bundler state=latest user_install=no