Contents

require "vagrant"

require_relative "util/cluster"

module VagrantPlugins
  module Compose
  	
  	# Vagrant compose plugin definition class.
  	# This plugins allows easy configuration of a data structure that can be used as a recipe
  	# for setting up and provisioning a vagrant cluster composed by several machines with different
  	# roles.
    class Config < Vagrant.plugin("2", :config)

      # After executing compose, it returns the list of nodes in the cluster.
      attr_reader :nodes

      # After executing compose, it returns the ansible_groups configuration for provisioning nodes in the cluster.
      attr_reader :ansible_groups

	  def initialize
		@nodes = {}
		@ansible_groups = {}
	  end

	  # Implements cluster creation, through the execution of the give code. 
	  def compose (name, &block)
	    # create the cluster (the data structure representing the cluster)
		@cluster = Cluster.new(name)
		begin
			# executes the cluster configuration code
        	block.call(@cluster)
		rescue Exception => e
	      raise VagrantPlugins::Compose::Errors::ClusterInitializeError, :message => e.message, :cluster_name => name
	    end
	    # tranform cluster configuration into a list of nodes/ansible groups to be used for
		@nodes, @ansible_groups = @cluster.compose
 	  end

 	  # Implements a utility method that allows to check the list of nodes generated by compose.
 	  def debug
 	  	puts "==> cluster #{@cluster.name} with #{nodes.size} nodes" 
 	  	@nodes.each do |node|
		   puts "        #{node.boxname} accessible as #{node.fqdn} #{node.aliases} #{node.ip} => [#{node.box}, #{node.cpus} cpus, #{node.memory} memory]"       
 	  	end
    	puts "    ansible_groups filtered by #{@cluster.multimachine_filter}" if not @cluster.multimachine_filter.empty?
 	  end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
vagrant-compose-0.2.3	lib/vagrant/compose/config.rb