August 2016
Intermediate to advanced
384 pages
9h 20m
Japanese
Content preview from Docker
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
198
10 章 ロギングとモニタリング
いかなるソリューションでも問題になるのは、ログのセキュリティです。ログには、センシティブな情報
が含まれることが多く、ログにアクセスできる人物をコントロールすることが重要です。公開のインター
ネットを流れるログはすべて暗号化されることや、保存されたログにアクセスできるのは適切な人々だけで
あることを、保障できるようにするべきでしょう。
10.2.1
ファイルからのログの取得
ログをフォワードするもう
1
つの効率的な方法は、ファイルシステム上の生のログにアクセスす
ることです。デフォルトの状態でロギングを行っているなら、現時点の
Docker
はコンテナのログ
ファイルを
/var/lib/docker/containers/<container id>/<container id>-json.log
に置きます。
ログをこのファイルから取り出すのは、効率的ではあるものの、
Docker
の公開されている
API
ではなく、内部的な実装の詳細に依存することになります。そのため、この方法に基づくロギング
のソリューションは、
Docker
エンジンのアップデートに伴って、うまく動かなくなるかも知れま
せん。
10.3
モニタリングとアラート
マイクロサービスのシステムでは、数十から数百あるいは数千のコンテナを動作させることもあ
るでしょう。動作中のコンテナの状態、あるいはシステム全体の概況をモニタリングするための支
援は、あればあるほど喜ばしいでしょう。優れたモニタリングのシステムは、システムの健全性が ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.