April 2016
Intermediate to advanced
364 pages
7h 54m
Japanese
Content preview from 初めてのAnsible
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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.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.
65
3.7 動的なインベントリ
例
3-9
group_vars/production/db
db:
user: widgetuser
password: pFmMxcyD;Fc6)6
name: widget_production
primary:
host: rhodeisland.example.com
port: 5432
replica:
host: virginia.example.com
port: 5432
例
3-10
group_vars/production/rabbitmq
rabbitmq:
host: pennsylvania.example.com
port: 6379
筆者としては、概して変数を多くのファイルに分割していくよりは、シンプルなままにしておく
方が良いと考えています。
3.7
動的なインベントリ
ここまでは、ホストのインベントリファイル中では、すべてのホストを明示的に指定してきまし
た。しかし、
Ansible
の外部に、ホストを管理しているシステムがある場合もあります。例えば、
Amazon EC2
上でホストを動作させているなら、ホストに関する情報は
EC2
が管理してくれてお
り、その情報は
EC2
の
Web
インターフェースである
Query API
や、
awscli
のようなコマンドラ
インツールを通じて取り出すことができます。他のクラウドプロバイダーも、同じようなインター
フェースを持っています。あるいは、自前のサーバー群を持っていて、
Cobbler
や
Ubuntu MAAS ...
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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.