OSX (Yosemite) に、Ansible環境をインストールする

仕事中に、
**CentOSをミニマルインストールしたあと、諸々の設定に必要なパッケージをどうにかして一発でいれれるようにしたい**
という話があがりまして。
Ansibleのことが気になってたのもあって触ってみようと思いました。

ひとまず、自分のPCに環境をセット！

# Homebrew インストール
Homebrewが入ってない気がしたので、まずはHomebrewをインストール。

```
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
```

# Ansible インストール
参照サイトには別の方法も書いてましたが、今回は、この方法で。

```
brew install ansible
```

# インストール後、バージョンチェック

今日現在はこのバージョンらしい。

```
$ ansible --version
ansible 2.0.0.2
  config file = 
  configured module search path = Default w/o overrides
```

# オプション

```
Usage: ansible <host-pattern> [options]

Options:
  -a MODULE_ARGS, --args=MODULE_ARGS
                        module arguments
  --ask-become-pass     ask for privilege escalation password
  -k, --ask-pass        ask for connection password
  --ask-su-pass         ask for su password (deprecated, use become)
  -K, --ask-sudo-pass   ask for sudo password (deprecated, use become)
  --ask-vault-pass      ask for vault password
  -B SECONDS, --background=SECONDS
                        run asynchronously, failing after X seconds
                        (default=N/A)
  -b, --become          run operations with become (nopasswd implied)
  --become-method=BECOME_METHOD
                        privilege escalation method to use (default=sudo),
                        valid choices: [ sudo | su | pbrun | pfexec | runas |
                        doas ]
  --become-user=BECOME_USER
                        run operations as this user (default=root)
  -C, --check           don't make any changes; instead, try to predict some
                        of the changes that may occur
  -c CONNECTION, --connection=CONNECTION
                        connection type to use (default=smart)
  -D, --diff            when changing (small) files and templates, show the
                        differences in those files; works great with --check
  -e EXTRA_VARS, --extra-vars=EXTRA_VARS
                        set additional variables as key=value or YAML/JSON
  -f FORKS, --forks=FORKS
                        specify number of parallel processes to use
                        (default=5)
  -h, --help            show this help message and exit
  -i INVENTORY, --inventory-file=INVENTORY
                        specify inventory host path
                        (default=/usr/local/etc/ansible/hosts) or comma
                        separated host list
  -l SUBSET, --limit=SUBSET
                        further limit selected hosts to an additional pattern
  --list-hosts          outputs a list of matching hosts; does not execute
                        anything else
  -m MODULE_NAME, --module-name=MODULE_NAME
                        module name to execute (default=command)
  -M MODULE_PATH, --module-path=MODULE_PATH
                        specify path(s) to module library (default=None)
  --new-vault-password-file=NEW_VAULT_PASSWORD_FILE
                        new vault password file for rekey
  -o, --one-line        condense output
  --output=OUTPUT_FILE  output file name for encrypt or decrypt; use - for
                        stdout
  -P POLL_INTERVAL, --poll=POLL_INTERVAL
                        set the poll interval if using -B (default=15)
  --private-key=PRIVATE_KEY_FILE, --key-file=PRIVATE_KEY_FILE
                        use this file to authenticate the connection
  --scp-extra-args=SCP_EXTRA_ARGS
                        specify extra arguments to pass to scp only (e.g. -l)
  --sftp-extra-args=SFTP_EXTRA_ARGS
                        specify extra arguments to pass to sftp only (e.g. -f,
                        -l)
  --ssh-common-args=SSH_COMMON_ARGS
                        specify common arguments to pass to sftp/scp/ssh (e.g.
                        ProxyCommand)
  --ssh-extra-args=SSH_EXTRA_ARGS
                        specify extra arguments to pass to ssh only (e.g. -R)
  -S, --su              run operations with su (deprecated, use become)
  -R SU_USER, --su-user=SU_USER
                        run operations with su as this user (default=root)
                        (deprecated, use become)
  -s, --sudo            run operations with sudo (nopasswd) (deprecated, use
                        become)
  -U SUDO_USER, --sudo-user=SUDO_USER
                        desired sudo user (default=root) (deprecated, use
                        become)
  --syntax-check        perform a syntax check on the playbook, but do not
                        execute it
  -T TIMEOUT, --timeout=TIMEOUT
                        override the connection timeout in seconds
                        (default=10)
  -t TREE, --tree=TREE  log output to this directory
  -u REMOTE_USER, --user=REMOTE_USER
                        connect as this user (default=None)
  --vault-password-file=VAULT_PASSWORD_FILE
                        vault password file
  -v, --verbose         verbose mode (-vvv for more, -vvvv to enable
                        connection debugging)
  --version             show program's version number and exit
```

# Reference

[Homebrew](http://brew.sh/)
[Install Ansible on Mac OSX](https://valdhaus.co/writings/ansible-mac-osx/)