April 2016
Intermediate to advanced
364 pages
7h 54m
Japanese
Content preview from 初めてのAnsible
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147
7.12 ルックアップ
クアップという機能があり、設定データを様々なソースから読み取り、そのデータを
playbook
や
テンプレート中で使うことができます。
表
7-5
に示す通り、
Ansible
は様々なソースからデータを取得するためのルックアップ群をサ
ポートしています。
表
7-5
ルックアップ
名前 説明
file
ファイルの内容
password
ランダムに生成されたパスワード
pipe
ローカルで実行されたコマンドの出力
env
環境変数
template
評価後の
Jinja2
のテンプレート
csvfile .csv
ファイルのエントリ
dnstxt
DNS
の
TXT
レコード
redis_kv
Redis
のキーのルックアップ
etcd
etcd
のキーのルックアップ
ルックアップを実行するには、
2
つの引数を渡して
lookup
関数を呼び出します。最初の引数は
ルックアップの名前の文字列で、
2
番目の引数はルックアップに渡す
1
つ以上の引数です。例え
ば、
file
ルックアップは以下のように呼び出します。
lookup('file', '/path/to/file.txt')
ルックアップは、
playbook
中のブレース
{{ }}
間で呼び出すことも、テンプレートに挿入して
おくこともできます。
このセクションで紹介するのは、利用可能なルックアップの概要だけです。
Ansible
のドキュメ
ンテーションには、さらに詳しいルックアップの利用方法があります。
Ansible のすべてのルックアップのプラグインは、リモートホストではなく、コントロールマシン ...
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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.