class Haas

# File lib/haas.rb, line 61
def self.cluster
  return @cluster
end

# File lib/haas.rb, line 12
def self.launch
  Haas::Aws.connect
  @cluster=Haas::Cluster.create(
    :aws_region => Haas::Aws.region,
    :ssh_user => Haas::Aws.ssh_user,
    :distro => "ubuntu12"
  )
  if Haas::Aws.nb_instance_available >= Haas::Config.options[:nb_instances].to_i
    Haas::Aws.create_key_pair
    Haas::Aws.launch_instances
  else
    puts "There is not enough instances available.\nYou can request a limit increase here : https://aws.amazon.com/support/createCase?serviceLimitIncreaseType=ec2-instances&type=service_limit_increase"
    exit
  end

  Haas::ChefProvider.setup_cluster
  Haas::Blueprints.post_blueprints

  puts "\n"
  puts "=========== installation report =============="
  puts "Ambari is finalizing the installation"
  puts "You can access Ambari to manage your cluster at the following address:"
  puts "http://#{@cluster.get_ambari_server.public_dns_name}:8080/"
  puts "user: admin"
  puts "password: admin"
  puts "\n"
  puts "Nodes of the cluster:"
  @cluster.nodes.each do |node|
    puts "    #{node.public_dns_name}"
  end
  puts "\n"
  puts "You can use this SSH key to log into each node as user #{@cluster.ssh_user}"
  puts @cluster.identity_file_path
end

# File lib/haas.rb, line 65
def self.set_cluster cluster
  @cluster = cluster
end

# File lib/haas.rb, line 47
def self.show
  Haas::Cluster.all.each do |cluster|
    puts "Cluster - #{cluster.name}"
    cluster.nodes.each do |node|
      puts "        #{node.instance_id} - #{node.ip_address} - #{node.private_ip_address}"
    end
  end
end

# File lib/haas.rb, line 56
def self.terminate cluster_name
  Haas::Aws.connect
  Haas::Aws.terminate_cluster Cluster.first
end