Class: DrawCloud::EC2Instance

Inherits:
Base
  • Object
show all
Defined in:
lib/draw_cloud/ec2_instance.rb

Direct Known Subclasses

EC2InstanceTemplate

Instance Attribute Summary collapse

Attributes inherited from Base

#as_groups, #as_launch_configurations, #deletion_policy, #depends_on, #ec2_instances, #elastic_ips, #gateways, #iam_access_keys, #iam_policies, #iam_users, #mappings, #network_acls, #network_interfaces, #outputs, #parameters, #parent, #rdses, #resources, #route_tables, #security_groups, #sns_topics, #subnets, #vpcs, #wait_handles

Instance Method Summary collapse

Methods inherited from Base

#[], #accessor, #add_standard_properties, #create_as_group, #create_as_launch_configuration, #create_ec2_instance, #create_ec2_instance_template, #create_elastic_ip, #create_iam_access_key, #create_iam_policy, #create_iam_user, #create_mapping, #create_network_acl, #create_network_interface, #create_output, #create_parameter, #create_rds, #create_route_table, #create_security_group, #create_service, #create_sns_topic, #create_subnet, #create_vpc, #create_wait_handle, #ref

Methods included from Locations

#arn_s3

Methods included from Utilities

#desplice, #fnbase64, #fngetatt, #fnjoin, #hash_to_tag_array, #region, #resource_style, #splice, #stack_name

Constructor Details

#initialize(name, options = {}, &block) ⇒ EC2Instance

Returns a new instance of EC2Instance.



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# File 'lib/draw_cloud/ec2_instance.rb', line 45

def initialize(name, options={}, &block)
  @name = name
  @tags = {}
  @template = options.fetch(:template, nil)
  super(options, &block)
end

Instance Attribute Details

#availability_zone ⇒ Object

Returns the value of attribute availability_zone.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def availability_zone
  @availability_zone
end

#disable_api_termination ⇒ Object

Returns the value of attribute disable_api_termination.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def disable_api_termination
  @disable_api_termination
end

#eip_name ⇒ Object

Returns the value of attribute eip_name.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def eip_name
  @eip_name
end

#image_id ⇒ Object Also known as: ami

Returns the value of attribute image_id.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def image_id
  @image_id
end

#instance_type ⇒ Object Also known as: instance_class

Returns the value of attribute instance_type.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def instance_type
  @instance_type
end

#key_name ⇒ Object

Returns the value of attribute key_name.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def key_name
  @key_name
end

#metadata ⇒ Object

Returns the value of attribute metadata.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def metadata
  @metadata
end

#monitoring ⇒ Object Also known as: instance_monitoring

Returns the value of attribute monitoring.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def monitoring
  @monitoring
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def name
  @name
end

#placement_group_name ⇒ Object

Returns the value of attribute placement_group_name.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def placement_group_name
  @placement_group_name
end

#private_ip_address ⇒ Object

Returns the value of attribute private_ip_address.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def private_ip_address
  @private_ip_address
end

#source_dest_check ⇒ Object

Returns the value of attribute source_dest_check.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def source_dest_check
  @source_dest_check
end

#subnet_id ⇒ Object Also known as: subnet

Returns the value of attribute subnet_id.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def subnet_id
  @subnet_id
end

#tags ⇒ Object

Returns the value of attribute tags.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def tags
  @tags
end

#template ⇒ Object

Returns the value of attribute template.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def template
  @template
end

#user_data ⇒ Object

Returns the value of attribute user_data.



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# File 'lib/draw_cloud/ec2_instance.rb', line 21

def user_data
  @user_data
end

Instance Method Details

#default_tags ⇒ Object 



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# File 'lib/draw_cloud/ec2_instance.rb', line 104

def default_tags
  {"Name" => resource_style(name)}
end

#ec2_instance ⇒ Object 



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# File 'lib/draw_cloud/ec2_instance.rb', line 52

def ec2_instance
  self
end

#elastic_ip=(eip) ⇒ Object 



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# File 'lib/draw_cloud/ec2_instance.rb', line 56

def elastic_ip=(eip)
  case eip
  when DrawCloud::ElasticIp
    eip.instance_id = self
    self.eip_name = nil
  else
    self.eip_name = eip
  end
end

#elastic_ip_association ⇒ Object 



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# File 'lib/draw_cloud/ec2_instance.rb', line 66

def elastic_ip_association
  DrawCloud::ElasticIp::ElasticIpAssociation.new(eip_name, self, vpc)
end

#fetchmergeprop(name) ⇒ Object 



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# File 'lib/draw_cloud/ec2_instance.rb', line 80

def fetchmergeprop(name)
  s = {}
  s.deep_merge!(template.fetchmergeprop(name)) if template
  s.deep_merge!(self.send(name))
  s
end

#fetchprop(name) ⇒ Object 



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# File 'lib/draw_cloud/ec2_instance.rb', line 87

def fetchprop(name)
  s = self.send(name)
  return s unless s.nil?
  return template.fetchprop(name) unless template.nil?
  nil
end

#fetchunionprop(name) ⇒ Object 



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# File 'lib/draw_cloud/ec2_instance.rb', line 94

def fetchunionprop(name)
  if template
    p = template.fetchunionprop(name).clone
    p.concat self.send(name)
    p.uniq
  else
    self.send(name)
  end
end

#load_into_config(config) ⇒ Object 



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# File 'lib/draw_cloud/ec2_instance.rb', line 70

def load_into_config(config)
  config.cf_add_resource resource_name, self
  config.cf_add_resource(elastic_ip_association.resource_name, elastic_ip_association) if eip_name
  super(config)
end

#resource_name ⇒ Object 



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# File 'lib/draw_cloud/ec2_instance.rb', line 76

def resource_name
  resource_style(name) + "EC2"
end

#to_h ⇒ Object 



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# File 'lib/draw_cloud/ec2_instance.rb', line 108

def to_h
  h = {
    "Type" => "AWS::EC2::Instance",
    "Properties" => {
      "ImageId" => DrawCloud.ref(fetchprop :image_id),
      "InstanceType" => DrawCloud.ref(fetchprop :instance_type),
    }
  }
  p = h["Properties"]
  %w(availability_zone disable_api_termination key_name
     monitoring placement_group_name private_ip_address
     source_dest_check subnet_id user_data).each do |prop_str|
    prop = prop_str.intern
    p[resource_style(prop)] = DrawCloud.ref(fetchprop(prop)) unless fetchprop(prop).nil?
  end
  p["Tags"] = hash_to_tag_array(default_tags.merge(fetchmergeprop(:tags)))
  h["DependsOn"] = DrawCloud.resource_name(fetchprop(:depends_on)) unless fetchprop(:depends_on).nil?
  h["Metadata"] = DrawCloud.ref(fetchmergeprop(:metadata)) unless fetchmergeprop(:metadata).empty?

  enis = fetchunionprop(:network_interfaces)
  p["NetworkInterfaces"] = enis.enum_for(:each_with_index).collect do |e, i|
    { "NetworkInterfaceId" => DrawCloud.ref(e),
      "DeviceIndex" => (i+1).to_s }
  end unless enis.empty?

  security_groups = fetchunionprop(:security_groups)
  vpc_security_groups = security_groups.find_all(&:vpc)
  regular_security_groups = security_groups.reject(&:vpc)
  p["SecurityGroups"] = regular_security_groups.collect {|s| DrawCloud.ref(s) } unless regular_security_groups.empty?
  p["SecurityGroupIds"] = vpc_security_groups.collect {|s| DrawCloud.ref(s) } unless vpc_security_groups.empty?
  h
end