March 2017
Intermediate to advanced
352 pages
9h 3m
Japanese
Content preview from Infrastructure as Code ―クラウドにおけるサーバ管理の原則とプラクティス
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インフラストラクチャ定義のパターン
147
9
章
イ ン フ ラ スト ラ ク チ ャ 定 義 の パ タ ー ン
本書第Ⅱ部の大半は、個別のサーバーのプロビジョニングと構成/ 設定に注目してきた。この章で
は、インフラストラクチャ要素のもっと大きなグループのプロビジョニングと構成 / 設定の方法を見て
みたい。インフラの規模、複雑度、ユーザー数が拡大していくと、Infrastructure as Code のメリット
を実現することが難しくなっていくのである。
●
特定の変更が影響を及ぼす範囲が広がっていくと、すばやく安全な変更をひんぱんに行うことが
難しくなる。
●
チームメンバーが日常的なメンテナンスや障害対策のために費やす時間が長くなると、サービス
に価値のある改良を加えるための時間が足りなくなる。
●
ユーザーにそれぞれのリソースのプロビジョニングと管理を任せると、ほかのユーザーやサービ
スに重大な影響を及ぼす危険が生まれる。
このような問題が起きると、一般にインフラに対する中央集権的な統制を強化する方向に向かうこと
が多い。しかし、それでは会議、ドキュメント、変更プロセスにかける時間が増えていき、会社のため
に価値を生むような活動に使える時間がさらに短くなる。
中央集権的な統制に代わるべきものは、変更が影響を与える範囲を最小限に抑えるようなインフラ
設計である。インフラの定義、プロビジョニング、管理のアプローチを効果的なものにできれば、イン
フラの規模が拡大しても、自信を持ってひんぱんに変更を加えられ ...
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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.