Class: Embulk::Output::Bigquery::GoogleClient

Inherits:
Object
  • Object
show all
Defined in:
lib/embulk/output/bigquery/google_client.rb

Direct Known Subclasses

BigqueryClient, GcsClient

Instance Method Summary collapse

Constructor Details

#initialize(task, scope, client_class) ⇒ GoogleClient

Returns a new instance of GoogleClient.



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# File 'lib/embulk/output/bigquery/google_client.rb', line 14

def initialize(task, scope, client_class)
  @task = task
  @scope = scope
  @auth = Auth.new(task, scope)
  @client_class = client_class
end

Instance Method Details

#client ⇒ Object 



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# File 'lib/embulk/output/bigquery/google_client.rb', line 21

def client
  return @cached_client if @cached_client && @cached_client_expiration > Time.now

  client = @client_class.new
  client.client_options.application_name = @task['application_name']
  client.request_options.retries = @task['retries']
  if client.request_options.respond_to?(:timeout_sec)
    client.request_options.timeout_sec = @task['timeout_sec'] || 300
    client.request_options.open_timeout_sec = @task['open_timeout_sec'] || 300
  else # google-api-ruby-client >= v0.11.0
    if @task['timeout_sec']
      Embulk.logger.warn { "embulk-output-bigquery: timeout_sec is deprecated in google-api-ruby-client >= v0.11.0. Use read_timeout_sec instead" }
    end
    client.client_options.open_timeout_sec = @task['open_timeout_sec'] || 300 # default: 60
    client.client_options.send_timeout_sec = @task['send_timeout_sec'] || 300 # default: 120
    client.client_options.read_timeout_sec = @task['read_timeout_sec'] || @task['timeout_sec'] || 300 # default: 60
  end
  Embulk.logger.debug { "embulk-output-bigquery: client_options: #{client.client_options.to_h}" }
  Embulk.logger.debug { "embulk-output-bigquery: request_options: #{client.request_options.to_h}" }

  client.authorization = @auth.authenticate

  @cached_client_expiration = Time.now + 1800
  @cached_client = client
end

#with_network_retry(&block) ⇒ Object

google-api-ruby-client itself has a retry feature, but it does not retry with SocketException



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# File 'lib/embulk/output/bigquery/google_client.rb', line 48

def with_network_retry(&block)
  retries = 0
  begin
    yield
  rescue ::Java::Java.net.SocketException, ::Java::Java.net.ConnectException => e
    retry_messages = [
      'Broken pipe',
      'Connection reset',
      'Connection timed out',
      'Connection or outbound has closed',
    ]
    if retry_messages.select { |x| e.message.include?(x) }.empty?
      raise e
    else
      if retries < @task['retries']
        retries += 1
        Embulk.logger.warn { "embulk-output-bigquery: retry \##{retries}, #{e.class} #{e.message}" }
        retry
      else
        Embulk.logger.error { "embulk-output-bigquery: retry exhausted \##{retries}, #{e.class} #{e.message}" }
        raise e
      end
    end
  end
end