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OpenNebula Module

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Version information

  • 0.0.1 (latest)
released Dec 21st 2011
This module has been deprecated by its author since Apr 4th 2023.

Start using this module

Documentation

puppetlabs/opennebula — version 0.0.1 Dec 21st 2011

OpenNebula Module

This module manages OpenNebula from within Puppet.

Overview

This is the OpenNebula module. Here we are providing capability within Puppet to install and configure your OpenNebula clusters.

Disclaimer

Warning! While this software is written in the best interest of quality it has not been formally tested by our QA teams. Use at your own risk, but feel free to enjoy and perhaps improve it while you do.

Please see the included Apache Software License for more legal details regarding warranty.

Requirements

So this module was predominantly tested on:

  • Puppet 2.7.0rc4
  • Debian Wheezy
  • OpenNebula 2.0.1

Other combinations may work, and we are happy to obviously take patches to support other stacks.

Installation

As with most modules, its best to download this module from the forge:

http://forge.puppetlabs.com/puppetlabs/opennebula

If you want the bleeding edge (and potentially broken) version from github, download the module into your modulepath on your Puppetmaster. If you are not sure where your module path is try this command:

puppet --configprint modulepath

Depending on the version of Puppet, you may need to restart the puppetmasterd (or Apache) process before the functions will work.

This module uses both Ruby based providers, functions and it also relies on exported resources. Configuration must include the following items:

[master]
storeconfigs = true
thin_storeconfigs = true
dbadapter = mysql
dbuser = puppet
dbpassword = password
dbserver = localhost

And for the agent:

[agent]
pluginsync = true

The module will not operate normally without these features.

Quick Start

Setup the controller.

node "oneserver" {
  class { "opennebula::controller":
    oneadmin_password => "mypassword",
  }
}

Setup a node.

node "kvm1" {
  # You will need to configure libvirt and kvm (for example)
  class { "kvm":
  }
  class { "libvirt":
  }

  class { "opennebula::node": 
    controller => "oneserver",
  }
}

Setup an econe server:

node "econe1" {
  class { "opennebula::econe":
    one_xmlrpc => "http://oneserver:2633/RPC2",
  }
}

Setup up the Sunstone web interface:

node "controller1":
  class { "opennebula::sunstone": }
}

This will be available on http://$fqdn:4568/.

Detailed Usage

Class based versus resource based

The module is designed to allow you to configure everything during class instantiation time or configure elements later using individual resources.

Classes

opennebula::controller

This class is responsible for setting up the main 'controller' node where oned runs.

This class can also be passed parameters to configure most aspects of OpenNebula:

  • Networks
  • Clusters
  • Hosts
  • Images
  • Virtual Machines

Examples

Basic example:

class { "opennebula::controller":
  oneadmin_password => "mypassword",
}

Configuring clusters, networks and hosts all at the same time:

class { "opennebula::controller":
  oneadmin_password => "mypassword",
  networks => {
    "net1" => {
      type => "ranged",
      public => false,
      bridge => "vlan24",
      network_size => "C",
      network_address => "192.168.45.0",
    }
  },
  hosts => {
    "node1" => {
      im_mad => "im_kvm",
      tm_mad => "tm_ssh",
      vm_mad => "vmm_kvm",
    }
  }
  clusters => [ "smallboxes", "bigboxes" ],
}

Configuring a different storage backend:

class { "opennebula::controller":
  oneadmin_password => "something",
  oned_config => {
    'db_backend' => 'mysql',
    'db_server' => 'localhost',
    'db_user' => 'opennebula',
    'db_passwd' => 'opennebula',
    'db_name' => 'opennebula',
  },
}

Adding hooks for dynamic DNS can be done using the oned_config->hooks parameter area.

This allows you to have Opennebula automatically update DNS when nodes are created and remove DNS entries when nodes are destroyed:

class { "opennebula::controller":
  oneadmin_password => "something",
  oned_config => {
    hooks => {
      'dnsupdate' => {
        on => "running",
        command => "/usr/share/one/hooks/puppet/dnsupdate.rb",
        arguments => 'vms.cloud.mydomain.com 1.1.1.1 $NAME $NIC[IP]',
        remote => "no",
      },
      'dnsdelete' => {
        on => "done",
        command => "/usr/share/one/hooks/puppet/dnsdelete.rb",
        arguments => 'vms.cloud.mydomain.com 1.1.1.1 $NAME',
        remote => "no",
      },
    },
  },
}

opennebula::node

This class should be included on nodes that are designed to run virtual machines for the OpenNebula cluster.

You have to specify a controller for the node to peer with.

Examples

Basic example:

class { "opennebula::node":
  controller => "one1.mydomain.com",
}

opennebula::econe

This class is for configuring the OpenNebula econe service for emulation of the Amazon AWS interface for EC2.

Examples

Basic example:

class { "opennebula::econe":
  one_xmlrpc => "http://oneserver:2633/RPC2",
}

opennebula::oned_conf

Oned configuration class. Generally used by the opennebula::controller class only.

opennebula::sunstone

This class configures sunstone to run on port 4568:

http://$fqdn:4568/

Examples

Sunstone takes no options:

class { "opennebula::sunstone": }

Resources

onecluster

Examples

Basic example:

onecluster { "bigboxes":
}

onehost

Examples

Basic example:

onehost { "node1":
  im_mad => "im_kvm",
  tm_mad => "tm_ssh",
  vm_mad => "vmm_kvm",
}

onevnet

Examples

Basic example:

onevnet { "net1":
  type => "ranged",
  bridge => "virbr4",
  public => false,
  network_size => "C",
  network_address => "192.168.55.0",
}

Context information as well:

onevnet { "net1":
  type => "ranged",
  bridge => "virbr4",
  public => false,
  network_size => "C",
  network_address => "192.168.55.0",
  context => {
    'gateway' => "192.168.55.254",
  }
}

onevm

Examples

Basic example:

onevm { "node1":
  memory => "256",
  cpu => 1,
  vcpu => 1,
  os_arch => "x86_64",
  disks => [
    { image => "debian-wheezy-amd64", 
      driver => "qcow2", 
      target => "vda" }
  ],
  graphics_type => "vnc",
  graphics_listen => "0.0.0.0",
  context => {
    hostname => '$NAME',
    gateway => '$NETWORK[GATEWAY]',
    dns => '$NETWORK[DNS]',
    ip => '$NIC[IP]',
    files => '/var/lib/one/context/init.sh',
    target => "vdb",
  }
}

oneimage

Examples

Basic example:

oneimage { "debian-wheezy-64":
  description => "Debian Wheezy 64 bit image",
  type => "os",
  path => "/srv/images/debian-wheezy-64.img",
}

Facts

one_context_path

This fact returns the path to the context file on the machine. It is designed for use on virtual machines launched by OpenNebula.

onecontext_var*

These facts are returned from the contents of your context.sh file (see fact above). It allows someone in Puppet to use variables passed to a VM using OpenNebula contexts.

oneadmin_pubkey_rsa

This fact returns the contents of the oneadmin users public key. This can be used to create SSH trusts between OpenNebula nodes and controllers by exporting a resource using this fact as the contents for creating authorized key entries.