August 2016
Intermediate to advanced
384 pages
9h 20m
Japanese
Content preview from Docker
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229
11.2 サービスディスカバリ
11.2.4
登録
先ほどの例では、サービスディスカバリの最後のステップである登録を手作業で行いました。
Redis
や
dnmonster
のサービスを
SkyDNS
や
Consul
に登録するためには、
curl
のリクエストを
書かなければなりませんでした。その代わりに、
Redis
や
dnmonster
のコンテナにロジックを追加
して、起動時にこの処理を自動的に行わせることもできますが
†
、
Docker
のイベントをモニタリン
グすることによって、コンテナを起動時に自動的に登録するようなサービスを書くこともできます。
GliderLabs
の
Registrator
（
https://github.com/gliderlabs/registrator
）は、まさにこれを目
的とするものです。
Registrator
は、
Consul
、
etcd
、
SkyDNS
などと共に動作し、コンテナの自動
登録機能を提供します。
Registrator
は、
Docker
のイベントストリームでコンテナの生成をモニタ
リングし、コンテナのメタデータに基づいて、下位層のフレームワークに関連するエントリを追加
します。
DNS
ベースのサービスディスカバリの長所と短所
本章で紹介しているソリューションの多くは、サービスディスカバリのための DNS インターフェイスを
提供しています。中には、これが主要な、もしくは唯一のインターフェイスという場合もあります。あるい
は、他の API に加えて利便性のために追加されたものであることもあります。 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.