File: templates.rb

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require 'fog/openstack/models/collection'
require 'fog/openstack/orchestration/models/template'

module Fog
  module OpenStack
    class Orchestration
      class Templates < Fog::OpenStack::Collection
        model Fog::OpenStack::Orchestration::Template

        def get(obj)
          data = if obj.kind_of?(Stack)
                   service.get_stack_template(obj).body
                 else
                   service.show_resource_template(obj.resource_name).body
                 end

          if data.key?('AWSTemplateFormatVersion')
            data['content'] = data.to_json
            data['format'] = 'CFN'
            data['template_version'] = data.delete('AWSTemplateFormatVersion')
            data['description'] = data.delete('Description')
            data['parameter'] = data.delete('Parameters')
            data['resources'] = data.delete('Resources')
          else
            data['content'] = data.to_yaml
            data['format'] = 'HOT'
            data['template_version'] = data.delete('heat_template_version')
          end

          new(data)
        rescue Fog::OpenStack::Orchestration::NotFound
          nil
        end

        def validate(options = {})
          data = service.validate_template(options).body
          temp = new
          temp.parameters  = data['Parameters']
          temp.description = data['Description']
          temp
        end
      end
    end
  end
end