Contents

require 'aws-sdk'

module Tagenv
  module Ec2
    class Tag
      def initialize
        @logger = Logger.new(STDOUT)
        region = ENV['AWS_REGION'] || Metadata.get_document['region']
        @ec2 = Aws::EC2::Client.new(region: region)
      end

      def get_tag_hash(instance_id)
        instance_id = instance_id || Metadata.get_instance_id
        instances_tag_with_id(instance_id)
      end

      private

      def instances_tag_with_id(instance_id)
        tags = @ec2.describe_instances(
          instance_ids: [instance_id]
        ).data.to_h[:reservations].map { |instance| instance[:instances].first }.first[:tags]
        convert_tag_hash(tags)
      end

      def convert_tag_hash(tags)
        result = {}
        tags.each {|hash|
          result[hash['key'] || hash[:key]] = hash['value'] || hash[:value]
        }
        result
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
tagenv-0.1.1	lib/tagenv/ec2/tag.rb