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ansibleでモジュール実行(簡易疎通確認)

Last updated at Posted at 2016-11-07

今日のお題:サーバ側とクライアント側に必要最低限の設定が出来たためモジュールを実行する

前提条件

手順

実行コマンド
ansible [クライアント側IP] -m ping
pingモジュール確認結果
openstack@Ubuntu16041Server:~/.ssh$ ansible 192.168.56.101 -m ping
192.168.56.101 | SUCCESS => {
    "changed": false,
    "ping": "pong"
}

明日のお題:playbookを作成して何か無害なパッケージをクライアントにインストールする

おまけ

色々設定しない場合のエラーパターンです。
てきとうにやった結果以下の順番でチェックしている?模様

  1. hostsファイルチェック(ここはconfigの参照先config設定依存。何もしてなければ/etc/ansible/hosts)
  2. sshの認証状況確認
  3. 実行後のチェック
「/etc/ansible/hosts」にクライアント側の情報を入れていない場合
openstack@Ubuntu16041Server:~$ ansible 192.168.56.101 -m ping
 [WARNING]: provided hosts list is empty, only localhost is available

 [WARNING]: No hosts matched, nothing to do
SSH鍵設定をしていない場合(hostsファイルは設定済)
openstack@Ubuntu16041Server:~$ ansible 192.168.56.101 -m ping
The authenticity of host '192.168.56.101 (192.168.56.101)' can't be established.
ECDSA key fingerprint is SHA256:0iR9bUQBi9xSFYsTvTkLDDaBdQ7jbsHwZJNhs2ZQ8KY.
Are you sure you want to continue connecting (yes/no)? yes
192.168.56.101 | UNREACHABLE! => {
    "changed": false,
    "msg": "Failed to connect to the host via ssh: Warning: Permanently added '192.168.56.101' (ECDSA) to the list of known hosts.\r\nPermission denied (publickey,password).\r\n",
    "unreachable": true
}
python2.7が入っていない場合
openstack@Ubuntu16041Server:~/.ssh$ ansible 192.168.56.101 -m ping
192.168.56.101 | FAILED! => {
    "changed": false,
    "failed": true,
    "module_stderr": "Shared connection to 192.168.56.101 closed.\r\n",
    "module_stdout": "/bin/sh: 1: /usr/bin/python: not found\r\n",
    "msg": "MODULE FAILURE"
}
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