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OpenVNet

OpenVNet is a network level hypervisor. It allows you to create virtual L2 networks on top of a physical L3 network.

Installation

Dependencies

This guide assumes you have a server running Centos 6.4.

Install the dependencies for making OpenVNet's ruby binary.

yum install gcc make zlib-devel openssl-devel zeromq-devel

Install the dependencies for installing the ruby gems

yum install g++ mysql-devel

OpenVNet's nodes communicate through DCell and use redis for DCell's registry. To install redis, we need to add the epel repository.

yum install wget
wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
wget http://rpms.famillecollet.com/enterprise/remi-release-6.rpm
rpm -Uvh remi-release-6*.rpm epel-release-6*.rpm
yum install redis

Finally install the mysql server

yum install mysql-server

OpenVNet manual installation

Create the OpenVNet directory and clone the source from git into it.

mkdir /opt/axsh/
cd /opt/axsh
git clone git@github.com:axsh/openvnet.git

As was mentioned above, OpenVNet uses its own ruby binary. Build it.

cd /opt/axsh/openvnet/deployment/rubybuild
./build_ruby.sh

Add the ruby we built now to your PATH so we can install OpenVNet's gems with it.

PATH=/opt/axsh/openvnet/ruby/bin:$PATH

We will use bundler to install OpenVNet's gem libraries. First create a config file to separate them from other Ruby programs.

mkdir /opt/axsh/openvnet/vnet/.bundle

Create the file "/opt/axsh/openvnet/vnet/.bundle/config" with the following contents

---
BUNDLE_PATH: vendor/bundle
BUNDLE_DISABLE_SHARED_GEMS: '1'

Now use bundler to install the gems

cd /opt/axsh/openvnet/vnet
gem install bundler
bundle install

Prepare the database

service mysqld start
mysql -u root
create database vnet;
exit

cd /opt/axsh/openvnet/vnet
bundle exec rake db:init

Start redis

service redis start

Copy the upstart scripts into their proper directories

cp /opt/axsh/openvnet/deployment/conf_files/etc/init/* /etc/init
cp /opt/axsh/openvnet/deployment/conf_files/etc/default/* /etc/default

Start the OpenVNet services

start vnet-vnmgr
start vnet-vna
start vnet-webapi

OpenVNet writes its logs in the /var/log/openvnet directory. If there's a problem starting any of the services, you can find its log files there.

License

Copyright (c) Axsh Co. Components are included distribution under LGPL 3.0