Class: Cucumber::Chef::Containers

Inherits:
Object
  • Object
show all
Defined in:
lib/cucumber/chef/containers.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ui = ZTK::UI.new, test_lab = nil) ⇒ Containers

Returns a new instance of Containers.



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# File 'lib/cucumber/chef/containers.rb', line 32

def initialize(ui=ZTK::UI.new, test_lab=nil)
  @ui, @test_lab = ui, test_lab
end

Class Method Details

.generate_ip ⇒ Object 



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# File 'lib/cucumber/chef/containers.rb', line 161

def generate_ip
  octets = [ 192..192,
             168..168,
             0..254,
             1..254 ]
  ip = Array.new
  for x in 1..4 do
    ip << octets[x-1].to_a[rand(octets[x-1].count)].to_s
  end
  ip.join(".")
end

.generate_mac ⇒ Object 



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# File 'lib/cucumber/chef/containers.rb', line 173

def generate_mac
  digits = [ %w(0),
             %w(0),
             %w(0),
             %w(0),
             %w(5),
             %w(e),
             %w(0 1 2 3 4 5 6 7 8 9 a b c d e f),
             %w(0 1 2 3 4 5 6 7 8 9 a b c d e f),
             %w(5 6 7 8 9 a b c d e f),
             %w(3 4 5 6 7 8 9 a b c d e f),
             %w(0 1 2 3 4 5 6 7 8 9 a b c d e f),
             %w(0 1 2 3 4 5 6 7 8 9 a b c d e f) ]
  mac = ""
  for x in 1..12 do
    mac += digits[x-1][rand(digits[x-1].count)]
    mac += ":" if (x.modulo(2) == 0) && (x != 12)
  end
  mac
end

Instance Method Details

#chef_run_client(container, *args) ⇒ Object 



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# File 'lib/cucumber/chef/containers.rb', line 117

def chef_run_client(container, *args)
  chef_config_client(container)

  @ui.logger.info { "Removing artifacts #{Cucumber::Chef::Config[:artifacts].values.collect{|z| "'#{z}'" }.join(' ')}." }
  (@test_lab.proxy_ssh(container.id).exec("/bin/rm -fv #{Cucumber::Chef::Config[:artifacts].values.join(' ')}", :silence => true) rescue nil)

  @ui.logger.info { "Running chef client on container '#{container.id}'." }

  arguments = {
    "--node-name" => container.id,
    "--json-attributes" => File.join("/etc", "chef", "attributes.json").to_s,
    "--log_level" => @chef_client_config[:log_level],
    "--logfile" => @chef_client_config[:log_location],
    "--server" => @chef_client_config[:chef_server_url],
    "--environment" => (container.chef_client[:environment] || @chef_client_config[:environment])
  }.reject{ |k,v| v.nil? }.sort

  output = nil
  bm = ::Benchmark.realtime do
    output = @test_lab.proxy_ssh(container.id).exec(["/usr/bin/chef-client", arguments, args, "--once"].flatten.join(" "), :silence => true, :ignore_exit_status => true)
  end
  @ui.logger.info { "Chef client run on container '#{container.id}' took %0.4f seconds." % bm }

  chef_client_artifacts(container)

  output
end

#chef_set_client_config(config = {}) ⇒ Object 



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# File 'lib/cucumber/chef/containers.rb', line 100

def chef_set_client_config(config={})
  @chef_client_config = (@chef_client_config || {
    :log_level => :debug,
    :log_location => "/var/log/chef/client.log",
    :chef_server_url => "https://api.opscode.com/organizations/#{config[:orgname]}",
    :validation_client_name => "#{config[:orgname]}-validator",
    :ssl_verify_mode => :verify_none,
    :environment => nil # use default; i.e. set no value
  }).merge(config)

  @ui.logger.info { "Setting chef client config '#{@chef_client_config.inspect}'." }

  true
end

#count ⇒ Object 



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# File 'lib/cucumber/chef/containers.rb', line 38

def count
  Container.count
end

#create(container) ⇒ Object 



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# File 'lib/cucumber/chef/containers.rb', line 44

def create(container)
  # if this is a new or non-persistent container destroy it
  destroy(container.id) if !container.persist

  container.ip ||= self.generate_ip
  container.mac ||= self.generate_mac
  container.persist ||= false
  container.distro ||= "ubuntu"
  container.release ||= "lucid"
  container.arch = detect_arch(container.distro || "ubuntu")

  if running?(container.id)
    @ui.logger.info { "Container '#{container.id}' is already running." }
  else
    @ui.logger.info { "Please wait, creating container #{container.inspect}." }
    bm = ::Benchmark.realtime do
      test_lab_config_dhcpd
      config_network(container)
      _create(container.id, container.distro, container.release, container.arch)
    end
    @ui.logger.info { "Container '#{container.id}' creation took %0.4f seconds." % bm }

    bm = ::Benchmark.realtime do
      ZTK::RescueRetry.try(:tries => 32) do
        @test_lab.ssh.exec("host #{container.id}", :silence => true)
      end
      ZTK::RescueRetry.try(:tries => 32) do
        @test_lab.proxy_ssh(container.id).exec("uptime", :silence => true)
      end
    end
    @ui.logger.info { "Container '#{container.id}' SSHD responded after %0.4f seconds." % bm }
  end
end

#destroy(name) ⇒ Object 



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# File 'lib/cucumber/chef/containers.rb', line 80

def destroy(name)
  @test_lab.knife_cli("node delete #{name}", :ignore_exit_status => true)
  @test_lab.knife_cli("client delete #{name}", :ignore_exit_status => true)

  if exists?(name)
    stop(name)
    @test_lab.bootstrap_ssh.exec("sudo lxc-destroy -n #{name}", :silence => true)
    @ui.logger.info { "Destroyed container '#{name}'." }
    test_lab_config_dhcpd
  end
end

#enable_minitest(name) ⇒ Object 



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# File 'lib/cucumber/chef/containers.rb', line 147

def enable_minitest(name)
  @chef_client_attributes[:run_list].unshift("recipe[minitest-handler]")
end

#list ⇒ Object 



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# File 'lib/cucumber/chef/containers.rb', line 198

def list
  @test_lab.bootstrap_ssh.exec("sudo lxc-ls 2>&1", :silence => true).output.strip.split(" ").uniq
end

#provision(container, *args) ⇒ Object 



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# File 'lib/cucumber/chef/containers.rb', line 94

def provision(container, *args)
  @test_lab.containers.chef_run_client(container, *args)
end

#run_minitests(name) ⇒ Object 



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# File 'lib/cucumber/chef/containers.rb', line 151

def run_minitests(name)
  chef_run = chef_run_client(name, "-l info")
  test_result = chef_run.drop_while {|e| e !~ /^# Running tests/}.take_while {|e| e !~ /^[.*] INFO/}
  puts test_result
  test_result
end