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Opscode chef はまだまだ OSS の初期段階で、パワーユーザの時代であるらしい。hack, patch, push 的な感じっぽい。十分に使い物になるレベルにはあるし、使えばたくさん良いことがある。なのでお作法に則って、 Let's enjoy!!! = メモ = [http://acrmp.github.com/foodcritic/ Foodcritic - A lint tool for your Opscode Chef cookbooks] [https://github.com/etsy/foodcritic-rules Etsy's foodcritic rules] ここで定義されているスタイルに合わせる。(最近 FC001 が違うという議論もあって面白い ;) [http://wiki.opscode.com/display/chef/Opscode+Community+Summit+2 Opscode Community Summit 2 Session Documentation] コミュニティサミットのドキュメントいろいろ参考になるかも。 == 導入 == === Workstation === Workstation は事実上 gem で手管理のほうが関連するツール(knife-ec2やFoodcritic)を考えるといいかも [http://wiki.opscode.com/display/chef/Workstation+Setup+for+Debian+and+Ubuntu Workstation Setup for Debian and Ubuntu] </syntaxhighlight> === ~~Client~~Node === 最近は omnibus install を推奨らしい [http://wiki.opscode.com/display/chef/Installing+Omnibus+Chef+Client+on+Linux+and+Mac Omnibus Installation] <del>sudo true && curl -L ~~http~~https://www.opscode.com/chef/install.sh \| sudo bash</del> upgrade も ↑ で OK ~~/* 非推奨 : opscode のリポジトリの配下なら~~ <del>sudo true && curl -L https://www.opscode.com/chef/install.sh \| sudo bash -s -- -v 10.12.0</del> ~~[http://wiki.opscode.com/display/chef/Installing+Chef+Client+on+Ubuntu+or+Debian Installing Chef Client on Ubuntu or Debian]~~ とかバージョン指定も可能。(今は 10.16.2) ~~<syntaxhighlight>~~ ~~echo 'deb http://apt.opscode.com/ lucid-0.10 main' \| sudo tee /etc/apt/sources.list.d/opscode.list~~ ~~wget -qO - http://apt.opscode.com/packages@opscode.com.gpg.key \| sudo apt-key add -~~ ~~sudo aptitude update~~ ~~sudo aptitude -y install chef~~ ~~</syntaxhighlight>~~ (2015/06/25 追記: 最近は curl \| sudo bash はさすがにマズイという風潮が... なので公式サイトの表面からは消えてるようです。[https://downloads.chef.io/chef-client/]) ~~knife bootstrap で distro を ubuntu10.04-apt 的に指定するのが良い /~~ == my recipes == [https://github.com/nxhack/chef nxhack / chef My recipes (opscode chef cookbooks) : Bootstrap - Configuration - Orchestration] == ★ 料理のコツ ★ == 一度だけ処理するとか、纏めて処理するとかは、action :nothing と notifies をうまく組み合わせると出来る cookbook_file とか template とか file で create_if_missing の組み合わせと、さっきの action :nothing と notifies でいろいろ出来そう cookbook_file と template は出来た対象ファイルの内容をチェックして、同じなら処理しないという挙動になる。また file は content の組み合わせでは、 backup は取ってくれるが、内容のチェックはしてくれないようだ。 execute, script, ruby_block とかの Resource に付ける名前は、同じ名前(重なる名前)は付けてはいけない secure_password を使う場合は、cookbook openssl を upload して recipe['openssl'] を run_list に追加する事 == knife-ec2 == knife.rb <pre> # EC2: ~~# EC2:~~ knife[:aws_access_key_id] = "---" knife[:aws_secret_access_key] = "---" knife[:flavor] = "t1.micro" knife[:image] = "ami-~~d5e54dbc~~c7b202ae" knife[:aws_ssh_key_id] = "EC2_Key_Pairs_Name" </pre> knife ec2 server create -N node01.egrep.jp -x ubuntu -r "role[node01],role[ec2-common]" -Z us-east-1d </pre> <pre> knife ec2 server create -N node01.egrep.jp -x ubuntu -r "role[node01],role[ec2-common]" -Z us-east-1d --bootstrap-version 10.12.0 </pre> [http://wiki.opscode.com/display/chef/Custom+Knife+Bootstrap+Script Custom Knife Bootstrap Script] Bootstrap => Configuration => Orchestration の区別をして考える事が大事 == knife role == <pre> knife role from file ec2-common.json (-Fj 使わない) == knife node == <pre> knife node run_list add node01.egrep.jp 'role[node01],role[ec2-common]' </pre> == knife search == <pre> knife search node ':' -a lsb.codename === node object === [http://wiki.opscode.com/display/chef/Recipes#Recipes-CommonAutomaticAttributes Common Automatic Attributes] == knife-essentials == [https://github.com/jkeiser/knife-essentials Knife Essentials] これは便利なので入れる方がよいそうです。 knife diff \| fgrep diff == berkshelf == [http://berkshelf.com/ Berkshelf - Manage a Cookbook or an Application's Cookbook dependencies] 便利っぽい == spiceweasel == [http://wiki.opscode.com/display/chef/Spiceweasel Spiceweasel] 便利っぽい == cookbook motd-tail == [https://github.com/opscode-cookbooks/motd-tail Updates motd.tail with Chef Roles] node に login したときに、role を表示させる。 == WP CLI (WordPress Command Line Interface) == [https://github.com/wp-cli/wp-cli A command line interface for WordPress] wp-cli の chef recipe をナンチャッテで書いてみた。(推敲中) [https://github.com/nxhack/chef/tree/master/cookbooks/conf-WordPress-cli https://github.com/nxhack/chef/tree/master/cookbooks/conf-WordPress-cli] <pre> wp core install --url='http://www.example.com/blog' --title='MY SITE' --admin_email='admin@example.com' --admin_password='pass' wp plugin install apc ~~(!!! mv ./object-cache.php ../../ )~~ wp plugin install 001-prime-strategy-translate-accelerator wp plugin install backwpup ## wp plugin install db-cache-reloaded-fix wp plugin install easy-fancybox wp plugin install pushpress wp plugin activate akismet wp plugin activate wp-multibyte-patch ## wp plugin activate apc (!!! mv ./object-cache.php ../../ ) wp plugin activate 001-prime-strategy-translate-accelerator wp plugin activate backwpup ## wp plugin activate db-cache-reloaded-fix wp plugin activate easy-fancybox wp plugin activate pushpress