Example grover cluster definition

gistfile1.rb

cluster_type = 'Grover'
differentiator = 'test'
# cluster_name = "#{cluster_type}_#{differentiator}"
cluster_name = "Grover"


require "Chef"
data = Chef::DataBagItem.load('cluster_template_values', cluster_type)['default']
ClusterChef.cluster cluster_name do 
  recipe                "tuning"
  data['default_roles'].each do |role|
    role                  "#{role}"# "knewton_base_u1110" # Mediums are 32-bit, I don't have a prepared AMI, so use what's provided here
  end

  cloud do
    ssh_identity_dir    File.expand_path('~/.ssh/')
    backing             data['default_backing_store']
    image_name          data['default_release_flavor']
    flavor              data['default_instance_flavor']
    availability_zones  data['default_availability_zones']
    bootstrap_distro    data['default_bootstrap_template'] # 'ubuntu11.04-cluster_chef_knewton'
    # keypair             data['keypair'] 
    data['default_security_group_list'].each do |g|
      security_group      "#{g}"
    end
  end

  facet 'service' do
    instances           data['facet']['service']['instance_count'].to_i
    begin
      data['facet']['datanode']['role_list'].each do |role|
        role                "#{role}"
      end
    rescue NoMethodError => e
      p "Error while setting up the facet role list: #{e}"
      p "ignoring and continuing"
    end
    
    begin
      data['facet']['datanode']['recipe_list'].each do |recipe|
        recipe                "#{recipe}"
      end
    rescue NoMethodError => e
      p "Error while setting up the facet recipe list: #{e}"
      p "ignoring and continuing"
    end


    a = data['facet']['service']['override_attributes']
    facet_role do
      override_attributes({ :java => a['java'],
                            :package_set => a['package_set'],
                            :firewall              => {
                              :allow_port           => {
                                :ssh               => {
                                  :port            => 22,
                                  :proto           => "tcp"
                                },
                                :grover_thrift     => {
                                  :port            => a['grover_thrift_port'],
                                  :proto           => "tcp"
                                }
                              }
                            }
                          })

    end
  end
end