lib/gooddata/bricks/middleware/execution_result_middleware.rb
# Copyright (c) 2019, GoodData Corporation. All rights reserved.
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.
require_relative 'base_middleware'
# rubocop:disable Style/ClassVars
module GoodData
module Bricks
module ExecutionStatus
OK = 'OK'
ERROR = 'ERROR'
WARNING = 'WARNING'
end
class ExecutionResultMiddleware < Bricks::Middleware
@@result_log_path = nil
def call(params)
result_log_path(params)
@app.call(params)
end
# Update process execution result when the script is executed inside a GDC ETL process execution (ruby bricks).
# Ruby bricks should update execution result at the end of script with status=WARNING or OK and summary message if the script exits normally.
# If any fatal error, script should update execution result with status=ERROR and error message,
# then throw exception to notify GDC platform that the script terminated unexpectedly.
# @param [HashMap] params contains GDC_EXECUTION_RESULT_LOG_PATH or GDC_LOG_DIRECTORY, GDC_EXECUTION_ID
# @param [ExecutionStatus] status execution status
# @param [String] message execution message
def self.update_execution_result(status, message = "")
if status != ExecutionStatus::OK && status != ExecutionStatus::ERROR && status != ExecutionStatus::WARNING
GoodData.logger.warn("Unknown execution status #{status}, ignored it.")
end
result = {
executionResult: {
status: status,
message: message
}
}
update_result(result, status)
end
private
def result_log_path(params)
log_directory = params['GDC_LOG_DIRECTORY']
execution_id = params['GDC_EXECUTION_ID']
result_log_path = params['GDC_EXECUTION_RESULT_LOG_PATH'] || ENV['GDC_EXECUTION_RESULT_LOG_PATH']
result_log_path = "#{log_directory}/#{execution_id}_result.json" if result_log_path.nil? && !log_directory.nil?
@@result_log_path = result_log_path
end
def self.update_result(result, status = ExecutionStatus::ERROR)
if @@result_log_path.nil?
GoodData.gd_logger&.warn("action=update_execution_result status=#{status} Not found execution result logger file.")
return
end
File.open(@@result_log_path, 'w') { |file| file.write(JSON.pretty_generate(result)) }
rescue Exception => e # rubocop:disable RescueException
GoodData.gd_logger.error("action=update_execution_result status=error reason=#{e.message}") unless GoodData.gd_logger.nil?
end
end
end
end
# rubocop:enable Style/ClassVars