Class: Ufo::Stack::Builder::Base

Inherits:
Object
  • Object
show all
Includes:
Ufo::Settings
Defined in:
lib/ufo/stack/builder/base.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Ufo::Settings

#cfn, #network, #settings

Constructor Details

#initialize ⇒ Base

Returns a new instance of Base.



5
6
7
 
# File 'lib/ufo/stack/builder/base.rb', line 5

def initialize
  copy_instance_variables
end

Class Method Details

.build ⇒ Object 



19
20
21
 
# File 'lib/ufo/stack/builder/base.rb', line 19

def self.build
  new.build
end

Instance Method Details

#copy_instance_variables ⇒ Object

Copy the instance variables from TemplateScope Stack Builder classes



10
11
12
13
14
15
16
17
 
# File 'lib/ufo/stack/builder/base.rb', line 10

def copy_instance_variables
  context = Ufo::Stack::Builder.context
  scope = context.scope
  scope.instance_variables.each do |var|
    val = scope.instance_variable_get(var)
    instance_variable_set(var, val)
  end
end

#managed_security_group(type) ⇒ Object 



44
45
46
47
 
# File 'lib/ufo/stack/builder/base.rb', line 44

def managed_security_group(type)
  logical_id = managed_security_groups? ? "#{type.camelize}SecurityGroup" : "AWS::NoValue"
  {Ref: logical_id}
end

#managed_security_groups? ⇒ Boolean

Returns:

  • (Boolean) 


49
50
51
52
 
# File 'lib/ufo/stack/builder/base.rb', line 49

def managed_security_groups?
  managed = settings[:managed_security_groups]
  managed.nil? ? true : managed
end

#security_groups(type) ⇒ Object

type: elb or ecs NOTE: Application ELBs always seem to need a security group even though the docs say its not required However, there’s a case where no ELB is created for a worker tier and if the settings are all blank CloudFormation fails to resolve and splits out this error:

Template error: every Fn::Split object requires two parameters

So we will not assign security groups at all for case of workers with no security groups at all.



32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/ufo/stack/builder/base.rb', line 32

def security_groups(type)
  settings_key = "#{type}_security_groups".to_sym
  group_ids = Ufo::Setting::SecurityGroups.new(@service, settings_key).load
  # no security groups at all
  return if !managed_security_groups? && group_ids.blank?

  groups = []
  groups += group_ids
  groups += [managed_security_group(type.to_s.camelize)] if managed_security_groups?
  groups
end