Contents

# frozen_string_literal: true

module TFW
  # This module is a workaround the issue that when using json some fields that are optional become required
  # https://github.com/hashicorp/terraform/issues/23347
  module AwsSgWorkaround
    module_function

    def fix(stack_json)
      stack = JSON.parse stack_json
      return stack.to_json unless stack.key? 'resource'

      r = stack['resource']
      return stack.to_json unless r.key? 'aws_security_group'

      asg = r['aws_security_group']
      asg.each do |_, sg|
        replace_and_fill sg, 'egress' if sg.key? 'egress'
        replace_and_fill sg, 'ingress' if sg.key? 'ingress'
      end
      stack.to_json
    end

    def replace_and_fill(obj, key)
      backup = obj[key]
      fill_fields(backup)
      obj[key] = [backup] unless backup.is_a? Array
      obj[key] = backup if backup.is_a? Array
    end

    def fill_fields(obj)
      list = []
      list = obj if obj.is_a? Array
      list << obj unless obj.is_a? Array

      list.each do |e|
        e['description'] = '' unless e.key? 'description'
        e['security_groups'] = [] unless e.key? 'security_groups'
        e['self'] = false unless e.key? 'self'
        e['ipv6_cidr_blocks'] = [] unless e.key? 'ipv6_cidr_blocks'
        e['prefix_list_ids'] = [] unless e.key? 'prefix_list_ids'
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
tfw-0.1.19	lib/tfw/aws_sg_workaround.rb
tfw-0.1.18	lib/tfw/aws_sg_workaround.rb