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README.md

OpenNebula - The OpenSource Toolkit for Cloud Computing

DESCRIPTION

OpenNebula is an open-source project aimed at building the industry standard open source cloud computing tool to manage the complexity and heterogeneity of distributed data center infrastructures.

Complete documentation can be found at

http://opennebula.org/documentation:documentation

INSTALLATION

REQUISITES

This machine will act as the OpenNebula server and therefore needs to have installed the following software:

  • ruby >= 1.8.5
  • sqlite3 >= 3.5.2
  • xmlrpc-c >= 1.06
  • openssl >= 0.9
  • ssh
  • sqlite3-ruby gem

Additionally, to build OpenNebula from source you need:

  • Development versions of the sqlite3, xmlrpc-c and openssl packages, if your distribution does not install them with the libraries.
  • scons >= 0.97
  • g++ >= 4
  • flex >= 2.5 (optional, only needed to rebuild the parsers)
  • bison >= 2.3 (optional, only needed to rebuild the parsers)
  • libxml2-dev

RUBY LIBRARIES REQUIREMENTS

A set of gem requirements are needed to make several components work. We include a handy script to install them and the requirements. It is located at share/install_gems/install_gems and you should use it to install the required gems. You have more information at:

http://opennebula.org/documentation:documentation:compile

OPTIONAL PACKAGES

These packages are not needed to run or build OpenNebula. They improve the performance of the user-land libraries and tools of OpenNebula, nor the core system. You will probably experiment a more responsive CLI.

First install rubygems and ruby development libraries

  • ruby-dev
  • rubygems
  • rake
  • make

Then install the following packages:

  • ruby xmlparser, some distributions include a binary package for this (libxml-parser-ruby1.8). If it is not available in your distribution install expat libraries with its development files and install xmlparser using gem:

    $ sudo gem install xmlparser --no-ri --no-rdoc

    Note the extra parameters to gem install. Some versions of xmlparser have problems building the documentation and we can use it without documentation installed.

  • ruby nokogiri, to install this gem you will need libxml2 and libxslt libraries and their development versions. The we can install nokogiri library:

    $ sudo gem install nokogiri --no-ri --no-rdoc

BUILDING

Compilation is done using scons command:

$ scons [OPTION=VALUE]

The argument expression [OPTIONAL] is used to set non-default values for:

    OPTION      VALUE
    sqlite_db   path-to-sqlite-install
    sqlite      no if you don't want to build sqlite support
    mysql       yes if you want to build mysql support
    xmlrpc      path-to-xmlrpc-install
    parsers     yes if you want to rebuild flex/bison files

INSTALLATION

  • OpenNebula can be installed in two modes: system-wide, or in self-contained directory. In either case, you do not need to run OpenNebula as root. These options can be specified when running the install script:

    $ ./install.sh install_options

where install_options can be one or more of:

OPTION  VALUE
-u      user that will run OpenNebula, defaults to user executing
        install.sh
-g      group of the user that will run OpenNebula, defaults to user
        executing install.sh
-k      keep current configuration files, useful when upgrading
-d      target installation directory. If defined, it will specified
        the path for the self-contained install. If not defined, the
        installation will be performed system wide
-c      only install client utilities: OpenNebula cli, occi and ec2
        client files
-r      remove Opennebula, only useful if -d was not specified,
        otherwise rm -rf $ONE_LOCATION would do the job
-h      prints installer help

CONFIGURATION

Information on how to configure OpenNebula is located at http://opennebula.org/documentation:documentation:cg

CONTACT

OpenNebula web page: http://opennebula.org

Development and issue tracking: http://dev.opennebula.org

Support mailing list: http://opennebula.org/support:support

LICENSE

Copyright 2002-2012, OpenNebula Project Leads (OpenNebula.org)

Licensed 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.

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