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Launch experiments on BonFIRE
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bfire.gemspec

README.md

bfire

A powerful DSL to launch experiments on BonFIRE.

What this does for you:

  • Nice DSL to declare the resources you want;
  • Groups compute resources into... groups;
  • Supports dependencies between groups, and builds the dependency graph to launch groups in the right order;
  • Provision software on compute resources using Puppet;
  • Provides hooks after each deployment step so that you can launch your own commands;
  • Abstracts SSH connections, including connections going through gateways;
  • Registers metrics into Zabbix;
  • Scale up or scale down groups based on any condition you want, including metric values.

This is very much a work in progress, and a proof of concept.

A screencast is available at http://bonfire-dev.gforge.inria.fr/public/bfire.mov.

Usage

$ bfire my-experiment.rb

Or, if you are developing in the project's directory:

$ git clone git://github.com/crohr/bfire.git
$ cd bfire/
$ ruby -I lib/ bin/bfire my-experiment.rb

Content of my-experiment.rb:

set :name, "Simple Experiment using bfire"
set :walltime, 3600
set :gateway, "ssh.bonfire.grid5000.fr"
set :user, ENV['USER']
set :logging, INFO

set :squeeze, "BonFIRE Debian Squeeze 2G v1"
set :zabbix, "BonFIRE Zabbix Aggregator v2"
set :wan, "BonFIRE WAN"

group :monitor do
  at "uk-epcc"
  instance_type "small"
  deploy conf[:zabbix]
  connect_to conf[:wan]
end

group :servers do
  at "fr-inria"
  instance_type "small"
  deploy conf[:squeeze]
  connect_to conf[:wan]

  # This is not a runtime dependency, it starts right after the resources in
  # the monitor group have been _created_ (they're not necessarily _running_).
  depends_on :monitor do |group|
    {:aggregator_ip => group.take(:first)['nic'][0]['ip']}
  end
end

group :clients do
  at "fr-inria"
  at "de-hlrs"
  instance_type "small"
  deploy conf[:squeeze]
  connect_to conf[:wan]

  depends_on :monitor do |group|
    {:aggregator_ip => group.take(:first)['nic'][0]['ip']}
  end
  depends_on :servers do |group|
    {:server_ips => group.map{|vm| vm['nic'][0]['ip']}}
  end

  on :launched do
    puts "Yeah, our resources have been launched!"
  end

  # The ready event is generated once the group resources are launched AND
  # ssh accessible.
  on :ready do |group|
    group.each{|vm|
      puts "#{group.banner}#{vm['name']} - #{vm['nic'][0]['ip']}"
    }
  end
end

See the examples directory for up to date examples.

Authors

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