Class: ChefMetalFog::Providers::AWS

Inherits:
FogDriver
  • Object
show all
Defined in:
lib/chef_metal_fog/providers/aws.rb,
lib/chef_metal_fog/providers/aws/credentials.rb

Defined Under Namespace

Classes: Credentials

Constant Summary

Constants inherited from FogDriver

FogDriver::DEFAULT_OPTIONS

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from FogDriver

__new__, #allocate_machine, canonicalize_url, #compute, #compute_options, #connect_to_machine, #destroy_machine, from_provider, from_url, inherited, #initialize, new, #provider, provider_class_for, #ready_machine, register_provider_class, #stop_machine, #transport_for

Constructor Details

This class inherits a constructor from ChefMetalFog::FogDriver

Class Method Details

.aws_account_info_for(aws_profile) ⇒ Object 



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# File 'lib/chef_metal_fog/providers/aws.rb', line 119

def self.(aws_profile)
  @@aws_account_info ||= {}
  @@aws_account_info[aws_profile[:aws_access_key_id]] ||= begin
    options = {
      :aws_access_key_id => aws_profile[:aws_access_key_id],
      :aws_secret_access_key => aws_profile[:aws_secret_access_key],
      :aws_session_token => aws_profile[:aws_security_token]
    }
    options.delete_if { |key, value| value.nil? }

    iam = Fog::AWS::IAM.new(options)
    arn = begin
            # TODO it would be nice if Fog let you do this normally ...
            iam.send(:request, {
              'Action'    => 'GetUser',
              :parser     => Fog::Parsers::AWS::IAM::GetUser.new
            }).body['User']['Arn']
          rescue Fog::AWS::IAM::Error
            # TODO Someone tell me there is a better way to find out your current
            # user ID than this!  This is what happens when you use an IAM user
            # with default privileges.
            if $!.message =~ /AccessDenied.+(arn:aws:iam::\d+:\S+)/
              arn = $1
            else
              raise
            end
          end
    arn_split = arn.split(':', 6)
    {
      :aws_account_id => arn_split[4],
      :aws_username => arn_split[5],
      :aws_user_arn => arn
    }
  end
end

.compute_options_for(provider, id, config) ⇒ Object 



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# File 'lib/chef_metal_fog/providers/aws.rb', line 172

def self.compute_options_for(provider, id, config)
  new_compute_options = {}
  new_compute_options[:provider] = provider
  new_config = { :driver_options => { :compute_options => new_compute_options }}
  new_defaults = {
    :driver_options => { :compute_options => {} },
    :machine_options => { :bootstrap_options => {} }
  }
  result = Cheffish::MergedConfig.new(new_config, config, new_defaults)

  if id && id != ''
    # AWS canonical URLs are of the form fog:AWS:
    if id =~ /^(\d{12})(:(.+))?$/
      if $2
        id = $1
        new_compute_options[:region] = $3
      else
        Chef::Log.warn("Old-style AWS URL #{id} from an early beta of chef-metal (before 0.11-final) found. If you have servers in multiple regions on this account, you may see odd behavior like servers being recreated. To fix, edit any nodes with attribute metal.location.driver_url to include the region like so: fog:AWS:#{id}:<region> (e.g. us-east-1)")
      end
    else
      # Assume it is a profile name, and set that.
      aws_profile, region = id.split(':', 2)
      new_config[:driver_options][:aws_profile] = aws_profile
      new_compute_options[:region] = region
      id = nil
    end
  end

  aws_profile = get_aws_profile(result[:driver_options], id)
  new_compute_options[:aws_access_key_id] = aws_profile[:aws_access_key_id]
  new_compute_options[:aws_secret_access_key] = aws_profile[:aws_secret_access_key]
  new_compute_options[:aws_session_token] = aws_profile[:aws_security_token]
  new_defaults[:driver_options][:compute_options][:region] = aws_profile[:region]

   = (result[:driver_options][:compute_options])
  new_config[:driver_options][:aws_account_info] = 
  id = "#{[:aws_account_id]}:#{result[:driver_options][:compute_options][:region]}"

  [result, id]
end

.find_aws_profile_for_account_id(aws_credentials, aws_account_id) ⇒ Object 



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# File 'lib/chef_metal_fog/providers/aws.rb', line 94

def self.(aws_credentials, )
  aws_profile = nil
  aws_credentials.each do |profile_name, profile|
    begin
       = (profile)
    rescue
      Chef::Log.warn("Could not connect to AWS profile #{aws_credentials[:name]}: #{$!}")
      Chef::Log.debug($!.backtrace.join("\n"))
      next
    end
    if [:aws_account_id] == 
      aws_profile = profile
      aws_profile[:name] = profile_name
      aws_profile = aws_profile.merge()
      break
    end
  end
  if aws_profile
    Chef::Log.info("Discovered AWS profile #{aws_profile[:name]} pointing at account #{}.  Using ...")
  else
    raise "No AWS profile leads to account ##{}.  Do you need to add profiles to ~/.aws/config?"
  end
  aws_profile
end

.get_aws_credentials(driver_options) ⇒ Object 



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# File 'lib/chef_metal_fog/providers/aws.rb', line 155

def self.get_aws_credentials(driver_options)
  # Grab the list of possible credentials
  if driver_options[:aws_credentials]
    aws_credentials = driver_options[:aws_credentials]
  else
    aws_credentials = Credentials.new
    if driver_options[:aws_config_file]
      aws_credentials.load_ini(driver_options.delete(:aws_config_file))
    elsif driver_options[:aws_csv_file]
      aws_credentials.load_csv(driver_options.delete(:aws_csv_file))
    else
      aws_credentials.load_default
    end
  end
  aws_credentials
end

.get_aws_profile(driver_options, aws_account_id) ⇒ Object 



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# File 'lib/chef_metal_fog/providers/aws.rb', line 37

def self.get_aws_profile(driver_options, )
  aws_credentials = get_aws_credentials(driver_options)
  compute_options = driver_options[:compute_options] || {}

  # Order of operations:
  # compute_options[:aws_access_key_id] / compute_options[:aws_secret_access_key] / compute_options[:aws_security_token] / compute_options[:region]
  # compute_options[:aws_profile]
  # ENV['AWS_ACCESS_KEY_ID'] / ENV['AWS_SECRET_ACCESS_KEY'] / ENV['AWS_SECURITY_TOKEN'] / ENV['AWS_REGION']
  # ENV['AWS_PROFILE']
  # ENV['DEFAULT_PROFILE']
  # 'default'
  aws_profile = if compute_options[:aws_access_key_id]
      Chef::Log.debug("Using AWS driver access key options")
      {
        :aws_access_key_id => compute_options[:aws_access_key_id],
        :aws_secret_access_key => compute_options[:aws_secret_access_key],
        :aws_security_token => compute_options[:aws_session_token],
        :region => compute_options[:region]
      }
    elsif driver_options[:aws_profile]
      Chef::Log.debug("Using AWS profile #{driver_options[:aws_profile]}")
      aws_credentials[driver_options[:aws_profile]]
    elsif ENV['AWS_ACCESS_KEY_ID']
      Chef::Log.debug("Using AWS environment variable access keys")
      {
        :aws_access_key_id => ENV['AWS_ACCESS_KEY_ID'],
        :aws_secret_access_key => ENV['AWS_SECRET_ACCESS_KEY'],
        :aws_security_token => ENV['AWS_SECURITY_TOKEN'],
        :region => ENV['AWS_REGION']
      }
    elsif ENV['AWS_PROFILE']
      Chef::Log.debug("Using AWS profile #{ENV['AWS_PROFILE']} from AWS_PROFILE environment variable")
      aws_credentials[ENV['AWS_PROFILE']]
    else
      Chef::Log.debug("Using AWS default profile")
      aws_credentials.default
    end

  # Merge in account info for profile
  if aws_profile
    aws_profile = aws_profile.merge((aws_profile))
  end

  # If no profile is found (or the profile is not the right account), search
  # for a profile that matches the given account ID
  if  && (!aws_profile || aws_profile[:aws_account_id] != )
    aws_profile = (aws_credentials, )
  end

  if !aws_profile
    raise "No AWS profile specified!  Are you missing something in the Chef config or ~/.aws/config?"
  end

  aws_profile.delete_if { |key, value| value.nil? }
  aws_profile
end

Instance Method Details

#bootstrap_options_for(action_handler, machine_spec, machine_options) ⇒ Object 



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# File 'lib/chef_metal_fog/providers/aws.rb', line 23

def bootstrap_options_for(action_handler, machine_spec, machine_options)
  bootstrap_options = symbolize_keys(machine_options[:bootstrap_options] || {})

  unless !bootstrap_options[:key_name]
    bootstrap_options[:key_name] = overwrite_default_key_willy_nilly(action_handler)
  end

  bootstrap_options[:tags]  = default_tags(machine_spec, bootstrap_options[:tags] || {})

  bootstrap_options[:name] ||= machine_spec.name

  bootstrap_options
end

#creator ⇒ Object 



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# File 'lib/chef_metal_fog/providers/aws.rb', line 15

def creator
  driver_options[:aws_account_info][:aws_username]
end

#default_ssh_username ⇒ Object 



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# File 'lib/chef_metal_fog/providers/aws.rb', line 19

def default_ssh_username
  'ubuntu'
end