hakoのoneshotを使う

hakoで、バッチ系の一発処理用のoneshotコマンドを使ってみる。

hakoのバージョンは>= hako-0.20.2（要Ruby 2.3）

$ ruby -v
ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-darwin15]

$ gem install hako
...
Fetching: hako-0.20.2.gem (100%)
Successfully installed hako-0.20.2
5 gems installed

まず、例のごとくECSクラスタとEC2インスタンスを準備する。

ecs-cli configure -r ap-northeast-1 -c hello-hako-oneshot

ecs-cli up \
  --keypair winebarrel \
  --capability-iam \
  --vpc vpc-... \
  --subnets subnet-... \
  --security-group sg-... \
  --instance-type m4.large

おけ。

ログ出力用CloudWatch LogsにLogGroupを作っておく。

aws logs create-log-group --log-group-name my-logs

hakoのyamlは以下のような感じ。

• hello.yml

scheduler:
  type: ecs
  region: ap-northeast-1
  cluster: hello-hako-oneshot
  desired_count: 1
app:
  image: busybox
  memory: 128
  log_configuration:
    log_driver: awslogs
    options:
      awslogs-group: my-logs
      awslogs-region: ap-northeast-1
      awslogs-stream-prefix: example

実行してみる。

$ hako oneshot hello.yml echo hello
I, [2016-09-15T21:19:19.668005 #50187]  INFO -- : Registered task definition: arn:aws:ecs:ap-northeast-1:822997939312:task-definition/hello-oneshot:2
I, [2016-09-15T21:19:19.795313 #50187]  INFO -- : Started task: arn:aws:ecs:ap-northeast-1:822997939312:task/008875de-41d1-49ea-88c9-29ea1270384e
I, [2016-09-15T21:19:20.880933 #50187]  INFO -- : Container instance is arn:aws:ecs:ap-northeast-1:822997939312:container-instance/71b35bd6-6d06-486a-955a-6dd24b2ca1ec (ECS Instance - amazon-ecs-cli-setup-hello-hako-oneshot i-0a295d5b1ff678c4f)
I, [2016-09-15T21:19:24.158628 #50187]  INFO -- : Started at 2016-09-15 21:19:23 +0900
I, [2016-09-15T21:19:24.158756 #50187]  INFO -- : Stopped at 2016-09-15 21:19:23 +0900 (reason: Essential container in task exited)
I, [2016-09-15T21:19:24.158802 #50187]  INFO -- : Oneshot task finished
I, [2016-09-15T21:19:24.158840 #50187]  INFO -- : app has stopped with exit_code=0

ログを見てみる。

おけおけ。