Class: Awscli::As::Configurations

Inherits:
Object
  • Object
show all
Defined in:
lib/awscli/as.rb

Instance Method Summary collapse

Constructor Details

#initialize(connection) ⇒ Configurations

Returns a new instance of Configurations.



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# File 'lib/awscli/as.rb', line 19

def initialize(connection)
  @conn = connection
end

Instance Method Details

#create(options) ⇒ Object 



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# File 'lib/awscli/as.rb', line 31

def create(options)
  #validate block device mapping and parse it to a hash understandable by fog
  opts = Marshal.load(Marshal.dump(options))
  block_device_mapping = Array.new
  if options[:block_device_mappings]
    options[:block_device_mappings].each do |group|
      mapping = Hash.new
      #parse options
      abort "Invalid block device mapping format, expecting 'devicename=blockdevice' format" unless group =~ /\S=\S/
      device_name, block_device = group.split('=')
      abort "Invalid device name, expecting '/dev/sd[a-z]'" unless device_name =~ /^\/dev\/sd[a-z]$/
      abort "Invalid block device format, expecting 'ephemeral[0..3]|none|[snapshot-id]:[volume-size]:[true|false]:[standard|io1[:iops]]'" unless block_device =~ /^(snap-.*|ephemeral\w{1,3}|none|:.*)$/
      mapping['DeviceName'] = device_name
      case block_device
      when 'none'
        mapping['Ebs.NoDevice'] = 'true'
      when /ephemeral/
        mapping['VirtualName'] = block_device
      when /snap-.*|:.*/
        snapshot_id, volume_size, delete_on_termination, volume_type, iops = block_device.split(":")
        mapping['Ebs.SnapshotId'] = snapshot_id if !snapshot_id.nil? && !snapshot_id.empty?
        mapping['Ebs.VolumeSize'] = volume_size if !volume_size.nil? && !volume_size.empty?
        mapping['Ebs.DeleteOnTermination'] = delete_on_termination if !delete_on_termination.nil? && !delete_on_termination.empty?
      else
        abort 'Cannot validate block_device'
      end
      block_device_mapping << mapping
    end
  end
  if block_devices = opts.delete(:block_device_mappings)
    opts.merge!('BlockDeviceMappings' => block_device_mapping)
  end
  if key_name = opts.delete(:key_name)
    opts.merge!('KeyName' => key_name)
  end
  if sec_grps = opts.delete(:security_groups)
    opts.merge!('SecurityGroups' => sec_grps)
  end
  if spot_price = opts.delete(:spot_price)
    opts.merge!('SpotPrice' => spot_price)
  end
  if user_data = opts.delete(:user_data)
    opts.merge!('UserData' => user_data)
  end
  if instance_monitoring = opts.delete(:instance_monitoring)
    opts.merge!('InstanceMonitoring.Enabled' => instance_monitoring)
  end
  opts.reject! { |k| k == 'image_id' }
  opts.reject! { |k| k == 'instance_type' }
  opts.reject! { |k| k == 'id' }

  begin
    cfgs = @conn.create_launch_configuration(options[:image_id], options[:instance_type], options[:id], opts)
    puts "Created Launch Configuration, #{options[:id]}"
  rescue Fog::AWS::AutoScaling::IdentifierTaken
    puts "A launch configuration already exists with the name #{options[:id]}"
  end
end

#delete(cfg_name) ⇒ Object 



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# File 'lib/awscli/as.rb', line 90

def delete(cfg_name)
  cfg = @conn.configurations.get(cfg_name)
  abort "Cannot find launch configuration with name: #{cfg_name}" unless cfg
  cfg.destroy
  puts "Deleted Launch Configuration with name: #{cfg_name}"
end

#list(options) ⇒ Object 



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# File 'lib/awscli/as.rb', line 23

def list(options)
  if options[:table]
    @conn.configurations.table([:id, :instance_type, :key_name, :security_groups])
  else
    puts @conn.describe_launch_configurations.body['DescribeLaunchConfigurationsResult']['LaunchConfigurations'].to_yaml
  end
end