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Docker + Ansible で Hello World!

Last updated at Posted at 2016-08-05

Ansible 動作チェック用の Docker イメージ を使って、Ansible で Hello World! してみる。

用意するコンテナ

Control Machine(構成管理をする側)

$ docker run -it --name control_machine ubuntu_ansible

Managed Node(構成管理をされる側)

$ docker run -it --name managed_node ubuntu_ansible
# service ssh start
# ifconfig eth0
=> IP アドレスを取得(例:173.17.0.3)

用意するファイル

control_machine の適当なディレクトリに以下の2つのファイルを用意。

hosts
[managed_node]
172.17.0.3
setup.yml
---
- name: Hello Ansible
  hosts: managed_node
  user: root

  tasks:
    - name: Hello server
      shell: date >> now.txt

Ansible 実行

control_machine で

$ ls
hosts setup.yml
$ ansible-playbook ./setup.yml -v -vvvv -u root -i ./hosts
=> (実行結果が表示される)

結果確認

managed_node で

$ cat /root/now.txt
Thu Aug  4 23:43:41 UTC 2016

参考

Ansible "Hello world"

Ansible Documentation

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