knife-solo って何? †
- リモートで chef を実行する
- サーバーに、パスワード無しで ssh ログインできるようにする必要がある
- ssh ログインしたユーザは、パスワード無しで sudo を実行できる必要がある
ssh の設定 †
[~/chef-test]$ vagrant ssh-config --host melody
Host melody
HostName 192.168.38.129
User vagrant
Port 22
UserKnownHostsFile /dev/null
StrictHostKeyChecking no
PasswordAuthentication no
IdentityFile /Users/atsushi/.vagrant.d/insecure_private_key
IdentitiesOnly yes
LogLevel FATAL
[~/chef-test]$ vagrant ssh-config --host melody >> ~/.ssh/config
これは、vagrant が使う ethernet0 の IP アドレス。
ethernet1 に割り振った固定 IP アドレスに変更する必要がある
cf. Chef Vagrant + VMWare Fusion で 固定 IP
[~/chef-test]$ cat ~/.ssh/config
Host melody
HostName 192.168.38.100
User vagrant
Port 22
UserKnownHostsFile /dev/null
StrictHostKeyChecking no
PasswordAuthentication no
IdentityFile /Users/atsushi/.vagrant.d/insecure_private_key
IdentitiesOnly yes
LogLevel FATAL
[~/chef-test]$ ssh melody
Last login: Sun Feb 2 14:37:45 2014 from 192.168.38.1
[vagrant@vagrant-centos-6 ~]$ uname -r
2.6.32-358.2.1.el6.x86_64
[vagrant@vagrant-centos-6 ~]$ exit
logout
Connection to 192.168.38.100 closed.
ホスト (Mac) に knife-solo のインストール †
[~/chef-test]$ gem search knife-solo
*** REMOTE GEMS ***
knife-solo (0.4.1)
knife-solo_data_bag (0.4.0)
[~/chef-test]$ sudo gem install knife-solo
...
29 gems installed
kitchen (repository) と cookbook を作成する †
- knife で kitchen を作成する
[~/chef-test]$ knife solo init chef-repo
Creating kitchen...
Creating knife.rb in kitchen...
Creating cupboards...
- git での版数管理を始める
[~/chef-test]$ cd chef-repo/
[~/chef-test/chef-repo]$ git init
Initialized empty Git repository in /Users/atsushi/chef-test/chef-repo/.git/
[~/chef-test/chef-repo]$ git add .
[~/chef-test/chef-repo]$ git commit -m 'first commit'
- cookbook を作成する
[~/chef-test/chef-repo]$ knife cookbook create hello -o site-cookbooks
** Creating cookbook hello
** Creating README for cookbook: hello
** Creating CHANGELOG for cookbook: hello
** Creating metadata for cookbook: hello
- できたディレクトリ構成
[~/chef-test]$ tree
.
├── Vagrantfile
└── chef-repo
├── cookbooks
├── data_bags
├── environments
├── nodes
├── roles
└── site-cookbooks
└── hello
├── CHANGELOG.md
├── README.md
├── attributes
├── definitions
├── files
│   └── default
├── libraries
├── metadata.rb
├── providers
├── recipes
│   └── default.rb
├── resources
└── templates
└── default
18 directories, 6 files
- cookbooks には、出来合い cookbook を入れる
- site-cookbooks には、自作の cookbook を入れる
ゲスト (CentOS6.4) に chef-solo をリモートでインストール †
[~/chef-test/chef-repo]$ knife solo prepare melody
WARNING: No knife configuration file found
Bootstrapping Chef...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 13347 100 13347 0 0 1932 0 0:00:06 0:00:06 --:--:-- 39961
Downloading Chef 11.8.2 for el...
downloading https://www.opscode.com/chef/metadata?v=11.8.2&prerelease=false&p=el&pv=6&m=x86_64
to file /tmp/install.sh.2777/metadata.txt
trying curl...
url https://opscode-omnibus-packages.s3.amazonaws.com/el/6/x86_64/chef-11.8.2-1.el6.x86_64.rpm
md5 10f3d0da82efa973fe91cc24a6a74549
sha256 044558f38d25bbf75dbd5790ccce892a38e5e9f2a091ed55367ab914fbd1cfed
downloaded metadata file looks valid...
downloading https://opscode-omnibus-packages.s3.amazonaws.com/el/6/x86_64/chef-11.8.2-1.el6.x86_64.rpm
to file /tmp/install.sh.2777/chef-11.8.2-1.el6.x86_64.rpm
trying curl...
Checksum compare with sha256sum succeeded.
Installing Chef 11.8.2
installing with rpm...
警告: /tmp/install.sh.2777/chef-11.8.2-1.el6.x86_64.rpm: ヘッダ V4 DSA/SHA1 Signature, key ID 83ef826a: NOKEY
準備中... ########################################### [100%]
1:chef ########################################### [100%]
Thank you for installing Chef!
Generating node config 'nodes/melody.json'...
[~/chef-test/chef-repo]$
- ちょっと時間がかかるので気長に待つ
- knife solo prepare vagrant@192.168.38.100 でもいいみたい
- vagrant の Cent OS 6.4 のイメージには chef がインストールされているが、ホスト側の knife とバージョンを合わせるためにアップデートする
リモートで実行される localhost.json と solo.rb †
[~/chef-test]$ tree
.
├── Vagrantfile
└── chef-repo
├── cookbooks
├── data_bags
├── environments
├── nodes
│   └── melody.json
├── roles
└── site-cookbooks
└── hello
├── CHANGELOG.md
├── README.md
├── attributes
├── definitions
├── files
│   └── default
├── libraries
├── metadata.rb
├── providers
├── recipes
│   └── default.rb
├── resources
└── templates
└── default
18 directories, 6 files
- 環境設定 solo.rb は不要 (実行ごとに knife が作る)
- 実行設定 localhost.json
Hello knife-solo †
- ~/chef-test/chef-repo/site-cookbooks/hello/recipes/default.rb
#
# Cookbook Name:: hello
# Recipe:: default
#
# Copyright 2014, YOUR_COMPANY_NAME
#
# All rights reserved - Do Not Redistribute
#
log "Hello Knife!"
- ~/chef-test/chef-repo/nodes/melody.json
// melody.json
{
"run_list" : [
"recipe[hello]"
]
}
- 実行結果
[~/chef-test/chef-repo]$ knife solo cook melody
Running Chef on melody...
Checking Chef version...
Uploading the kitchen...
Generating solo config...
Running Chef...
Starting Chef Client, version 11.8.2
Compiling Cookbooks...
Converging 1 resources
Recipe: hello::default
* log[Hello Knife!] action write
Chef Client finished, 1 resources updated
knife-solo コマンド †
| コマンド | 動作 |
| $ knife solo init chef-repo | リモート実行用の kitchen (repository) を作る |
| $ knife solo prepare <host> | <host> に chef-solo をインストール |
| $ knife solo cook <host> | <host> で recipe を実行する |
| $ knife solo clean <host> | <host> から recipe を削除する |
Chef
![[PukiWiki]](image/pukiwiki.png "[PukiWiki]")
