こういうのです。
Rails.env.production? # Rails.env == "production" と同じ
ActiveSupport::StringInquirer クラスを使います。
role = ActiveSupport::StringInquirer.new("admin")
role.admin? #=> true
activesupport/lib/active_support/string_inquirer.rb
String のサブクラスで、respond_to_missing? と method_missing を使っていますね。
メソッド名が ? で終わっていたら method_missing が呼ばれ、メソッド名の ? より前の部分文字列が自身と同じなら真を返すわけですね。
user = User.find(2) user.name = 'takeyuweb' user.save! User.transaction do # A user.name = 'takeyuweb(trA)' user.save! User.transaction do # B user.name = 'takeyuweb(trB)' user.save! end User.transaction do # C user.name = 'takeyuweb(trC)' user.save! raise end end pp user.reload.name # => "takeyuweb"
user = User.find(2) user.name = 'takeyuweb' user.save! User.transaction do # A user.name = 'takeyuweb(trA)' user.save! User.transaction do # B user.name = 'takeyuweb(trB)' user.save! end User.transaction(requires_new: true) do # C user.name = 'takeyuweb(trC)' user.save! raise("突き抜けろ！") end end # RuntimeError: 突き抜けろ！ pp user.reload.name # => "takeyuweb"
--
user = User.find(2) user.name = 'takeyuweb' user.save! User.transaction do # A user.name = 'takeyuweb(trA)' user.save! User.transaction do # B user.name = 'takeyuweb(trB)' user.save! end User.transaction(requires_new: true) do # C user.name = 'takeyuweb(trC)' user.save! raise(ActiveRecord::Rollback) end end # CのActiveRecord::Rollbackは握りつぶされてそのまま処理を継続するので pp user.reload.name # => "takeyuweb(trB)"
user = User.find(2) user.name = 'takeyuweb' user.save! User.transaction do # A User.transaction do # B user.name = 'takeyuweb(trB)' user.save! end User.transaction(requires_new: true) do # C user.name = 'takeyuweb(trC)' user.save! raise(ActiveRecord::Rollback) end user.name = 'takeyuweb(trA)' user.save! end pp user.reload.name # => "takeyuweb(trA)"
こうなる。
そのまま処理を継続してしまうとよくわかって使うこと
Shinjuku.rb に参加して話をしてきました。 非同期処理は管理画面とかに比べるとちょっと取っつきづらいのか人少なめでしたけど、そのぶんしっかりディスカッションできた気がします。
swf = Aws::SWF::Client.new
失敗したExecutionを取り出す
WORKFLOW_DOMAIN = 'myworkflowdomain' resp = swf.list_closed_workflow_executions( domain: WORKFLOW_DOMAIN, start_time_filter: {oldest_date: 24.hours.ago}, close_status_filter: {status: 'TIMED_OUT'}) resp.execution_infos.each do |execution_info| pp execution_info # #<struct Aws::SWF::Types::WorkflowExecutionInfo # execution= # #<struct Aws::SWF::Types::WorkflowExecution # workflow_id="fcac73cf-51c2-43f7-95cd-387a0bb4338b", # run_id="22I3gtPVgL2GuGcBd9q1YvqH0D4aY66UbeQrJh+h7ExI8=">, # workflow_type= # #<struct Aws::SWF::Types::WorkflowType # name="EncodeWorkflow.encode", # version="1.20">, # start_timestamp=2016-05-19 18:21:53 +0000, # close_timestamp=2016-05-19 19:21:53 +0000, # execution_status="CLOSED", # close_status="TIMED_OUT", # parent=nil, # tag_list=[], # cancel_requested=false> execution_event = swf.get_workflow_execution_history( domain: WORKFLOW_DOMAIN, execution: execution_info.execution.to_h, maximum_page_size: 1, reverse_order: true).events.first pp execution_event # #<struct Aws::SWF::Types::HistoryEvent # event_timestamp=2016-05-19 19:21:53 +0000, # event_type="WorkflowExecutionTimedOut", # event_id=183, # workflow_execution_started_event_attributes=nil, # workflow_execution_completed_event_attributes=nil, # complete_workflow_execution_failed_event_attributes=nil, # workflow_execution_failed_event_attributes=nil, # fail_workflow_execution_failed_event_attributes=nil, # workflow_execution_timed_out_event_attributes= # #<struct Aws::SWF::Types::WorkflowExecutionTimedOutEventAttributes # timeout_type="START_TO_CLOSE", # child_policy="TERMINATE">, # workflow_execution_canceled_event_attributes=nil, # cancel_workflow_execution_failed_event_attributes=nil, # workflow_execution_continued_as_new_event_attributes=nil, # continue_as_new_workflow_execution_failed_event_attributes=nil, # workflow_execution_terminated_event_attributes=nil, # workflow_execution_cancel_requested_event_attributes=nil, # decision_task_scheduled_event_attributes=nil, # decision_task_started_event_attributes=nil, # decision_task_completed_event_attributes=nil, # decision_task_timed_out_event_attributes=nil, # activity_task_scheduled_event_attributes=nil, # activity_task_started_event_attributes=nil, # activity_task_completed_event_attributes=nil, # activity_task_failed_event_attributes=nil, # activity_task_timed_out_event_attributes=nil, # activity_task_canceled_event_attributes=nil, # activity_task_cancel_requested_event_attributes=nil, # workflow_execution_signaled_event_attributes=nil, # marker_recorded_event_attributes=nil, # record_marker_failed_event_attributes=nil, # timer_started_event_attributes=nil, # timer_fired_event_attributes=nil, # timer_canceled_event_attributes=nil, # start_child_workflow_execution_initiated_event_attributes=nil, # child_workflow_execution_started_event_attributes=nil, # child_workflow_execution_completed_event_attributes=nil, # child_workflow_execution_failed_event_attributes=nil, # child_workflow_execution_timed_out_event_attributes=nil, # child_workflow_execution_canceled_event_attributes=nil, # child_workflow_execution_terminated_event_attributes=nil, # signal_external_workflow_execution_initiated_event_attributes=nil, # external_workflow_execution_signaled_event_attributes=nil, # signal_external_workflow_execution_failed_event_attributes=nil, # external_workflow_execution_cancel_requested_event_attributes=nil, # request_cancel_external_workflow_execution_initiated_event_attributes=nil, # request_cancel_external_workflow_execution_failed_event_attributes=nil, # schedule_activity_task_failed_event_attributes=nil, # request_cancel_activity_task_failed_event_attributes=nil, # start_timer_failed_event_attributes=nil, # cancel_timer_failed_event_attributes=nil, # start_child_workflow_execution_failed_event_attributes=nil, # lambda_function_scheduled_event_attributes=nil, # lambda_function_started_event_attributes=nil, # lambda_function_completed_event_attributes=nil, # lambda_function_failed_event_attributes=nil, # lambda_function_timed_out_event_attributes=nil, # schedule_lambda_function_failed_event_attributes=nil, # start_lambda_function_failed_event_attributes=nil> end
再実行
# 最初のイベントにワークフロー開始時の属性が入っているのでそれを使うことにした execution_started_event_attributes = swf.get_workflow_execution_history( domain: WORKFLOW_DOMAIN, execution: execution_info.execution.to_h, maximum_page_size: 1, reverse_order: false).events.first.workflow_execution_started_event_attributes re_run_id = swf.start_workflow_execution({ domain: WORKFLOW_DOMAIN, workflow_id: execution_info.execution.workflow_id, workflow_type: execution_info.workflow_type.to_h, task_list: execution_started_event_attributes.task_list, task_priority: execution_started_event_attributes.task_priority, input: execution_started_event_attributes.input, execution_start_to_close_timeout: execution_started_event_attributes.execution_start_to_close_timeout, tag_list: execution_started_event_attributes.tag_list, task_start_to_close_timeout: execution_started_event_attributes.task_start_to_close_timeout, child_policy: execution_started_event_attributes.child_policy, lambda_role: execution_started_event_attributes.lambda_role, }).run_id pp re_run_id # => "22K7jh/0kr9D4MGohM6aAESvZXkwuJg8WN3dN28silj1U="
いつも通りアプリのデプロイをしようとしたらエラー。
[2016-05-18T22:55:06+00:00] INFO: Loading cookbooks [apache2, apt, ark, build-essential, chef-sugar, chef_handler, compat_resource, curl, dependencies, deploy, gem_support, homebrew, mingw, mod_php5_apache2, mysql, newrelic, nginx, nodejs, opsworks, opsworks_agent_monit, opsworks_aws_flow_ruby, opsworks_bundler, opsworks_cleanup, opsworks_commons, opsworks_initial_setup, opsworks_java, opsworks_nodejs, opsworks_postgresql, opsworks_route53, opsworks_rubygems, opsworks_stack_state_sync, packages, passenger_apache2, php, python, rails, route53, ruby, s3_file, scm_helper, seven_zip, ssh_users, td-agent, test_suite, unicorn, windows, xml, yum, yum-epel]
================================================================================
Recipe Compile Error in /var/lib/aws/opsworks/cache.stage2/cookbooks/compat_resource/libraries/autoload.rb
================================================================================
LoadError
---------
cannot load such file -- /var/lib/aws/opsworks/cache.stage2/cookbooks/compat_resource/files/lib/compat_resource/gemspec
Cookbook Trace:
---------------
/var/lib/aws/opsworks/cache.stage2/cookbooks/compat_resource/libraries/autoload.rb:15:in `require_relative'
/var/lib/aws/opsworks/cache.stage2/cookbooks/compat_resource/libraries/autoload.rb:15:in `<top (required)>'
Relevant File Content:
----------------------
/var/lib/aws/opsworks/cache.stage2/cookbooks/compat_resource/libraries/autoload.rb:
8: cookbook_version = $1
9:
10: if CompatResource::VERSION != cookbook_version
11: raise "compat_resource gem version #{CompatResource::VERSION} was loaded as a gem before compat_resource cookbook version #{cookbook_version} was loaded. To remedy this, either update the cookbook to the gem version, update the gem to the cookbook version, or uninstall / stop loading the gem so early."
12: end
13: else
14: # The gem is not already activated, so activate the cookbook.
15>> require_relative '../files/lib/compat_resource/gemspec'
16: CompatResource::GEMSPEC.activate
17: end
18:
19: require 'compat_resource'
20:
[2016-05-18T22:55:06+00:00] ERROR: Running exception handlers
[2016-05-18T22:55:06+00:00] ERROR: Exception handlers complete
[2016-05-18T22:55:06+00:00] FATAL: Stacktrace dumped to /var/lib/aws/opsworks/cache.stage2/chef-stacktrace.out
[2016-05-18T22:55:06+00:00] ERROR: cannot load such file -- /var/lib/aws/opsworks/cache.stage2/cookbooks/compat_resource/files/lib/compat_resource/gemspec
[2016-05-18T22:55:06+00:00] FATAL: Chef::Exceptions::ChildConvergeError: Chef run process exited unsuccessfully (exit code 1)
Installing build-essential (4.0.0)これぽい
cookbook 'build-essential', '3.2.0'
sudo opsworks-agent-cli run_command setupってやる（setupは再実行したいOpsWorksコマンド）くわしくはAWS OpsWorks エージェント CLI » run_command古いバージョン固定なので、いずれ腐ってきてどうにもならなくなったときつらそうだが、当面はこれで･･･
いいですよ。
絵描きでなくても使えます。
ExcelやPowerPointで仕様書が送られてきて見積もり依頼ってことがあるのですが、紙に出して手書きしないと頭はいってこないので、これまでは印刷して手書きしてました。
それがiPad Pro（大きい方）買ってからは、iOS版のOfficeを立ち上げ、OneDriveに置いてる仕様書を開いて、その上に直接マーカーで引いたり、メモ書きしながら頭に入れたり実装を考えて、PCで開いたエクセルで工数を見積もる･･･という感じで活用しています。
あと、読書メモとか、設計のメモ（クラス図とかシーケンス図、フローチャートとか）をOneNoteで手書き、管理しています。
Officeでメモ書きす文にはPC（VAIOZ）のタブレットモードも悪くないですけど、ペンの滑りと持ちやすさでPencilに軍配が上がる感じです。あとやっぱりPCを変形させたりとかは、めんどくさい。
よってPencilいいですよ。高いけど。（大事なことなので二度言いました）
