Class: CfnManage::CloudFormation::Common

Inherits:
Object
  • Object
show all
Defined in:
lib/cfn_manage/cf_common.rb

Class Method Summary collapse

Class Method Details

.visit_stack(cf_client, stack_name, handler, visit_substacks) ⇒ Object 



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# File 'lib/cfn_manage/cf_common.rb', line 7

def self.visit_stack(cf_client, stack_name, handler, visit_substacks)
  stack_resources = cf_client.describe_stack_resources(stack_name: stack_name)
  stack = cf_client.describe_stacks(stack_name: stack_name)

  # call traverse handler for parent stack
  handler.call(stack['stacks'][0].stack_name)

  # do not traverse unless instructed
  return unless visit_substacks

  stack_resources['stack_resources'].each do |resource|
    # test if resource us substack
    if resource['resource_type'] == 'AWS::CloudFormation::Stack'
      # call recursively
      substack_name = resource['physical_resource_id'].split('/')[1]
      self.visit_stack(cf_client, substack_name, handler, visit_substacks)
    end
  end
end