Class: EverTools::ElasticsearchS3Backup

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/elasticsearch_s3_backup.rb,
lib/elasticsearch_s3_backup/version.rb

Constant Summary collapse

VERSION = 
'2.0.4'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ElasticsearchS3Backup

rubocop:enable Metrics/AbcSize, Lint/RescueException



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# File 'lib/elasticsearch_s3_backup.rb', line 68

def initialize
  @conf = OpenStruct.new(YAML.load_file('/etc/s3_backup.yml'))

  if sentry_dsn
    Raven.configure do |config|
      config.dsn = sentry_dsn
      config.logger = logger
    end
  end

  now                 = Time.new.utc
  @backup_test_index  = "backup_test_#{now.to_i}"
  @restore_test_index = "restore_test_#{now.to_i}"
  @backup_repo        = now.strftime '%m-%Y'
  @snapshot_label     = now.strftime '%m-%d_%H%M'
end

Instance Attribute Details

#backup_repo ⇒ Object (readonly)

Returns the value of attribute backup_repo.



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# File 'lib/elasticsearch_s3_backup.rb', line 25

def backup_repo
  @backup_repo
end

#conf ⇒ Object (readonly)

Returns the value of attribute conf.



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# File 'lib/elasticsearch_s3_backup.rb', line 25

def conf
  @conf
end

#snapshot_label ⇒ Object (readonly)

Returns the value of attribute snapshot_label.



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# File 'lib/elasticsearch_s3_backup.rb', line 25

def snapshot_label
  @snapshot_label
end

Instance Method Details

#run ⇒ Object

rubocop:disable Metrics/AbcSize, Lint/RescueException



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# File 'lib/elasticsearch_s3_backup.rb', line 28

def run
  unless master?
    logger.info 'This node is not the currently elected master. Exiting.'
    exit
  end

  wait_for_cluster_state!

  cleanup_test_indexes
  insert_test_data

  # Create a new repo if none exists (typically at beginning of month)
  create_repo unless es_api.snapshot.get_repository[backup_repo]
  create_snapshot

  restore_test_index
  # Compare each doc in the original backup_test index to the restored index
  logger.info "Verifying the newly-restored #{@backup_test_index}…"
  test_size.times { |i| compare_index_item! i }
  logger.info 'Successfully verified the test data!'
  delete_test_indexes

  remove_expired_backups
  logger.info 'Finished'
rescue Interrupt => e
  puts "Received #{e.class}"
  exit 99
rescue SignalException => e
  logger.info "Received: #{e.signm} (#{e.signo})"
  exit 2
rescue SystemExit => e
  exit e.status
rescue Exception => e # Need to rescue "Exception" so that Sentry gets it
  notify e
  logger.fatal e.message
  logger.fatal e.backtrace.join("\n")
  raise e
end