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split-sinatra-example

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AWS Elastic Beanstalk入門

目的

AWS Elastic Beanstalkの使用方法を修得する。

前提

ソフトウェア バージョン 備考
AWS Elastic Beanstalk API Version 2010-12-01
Ruby 　　　 2.1.2
Python 2.7.5
hazel 0.0.8

構成

詳細

セットアップ

ebセットアップ

$ wget https://s3.amazonaws.com/elasticbeanstalk/cli/AWS-ElasticBeanstalk-CLI-2.6.3.zip
$ unzip AWS-ElasticBeanstalk-CLI-2.6.3.zip
$ cp -r AWS-ElasticBeanstalk-CLI-2.6.3/eb /usr/local/
$ export PATH=$PATH:/usr/local/eb/macosx/python2.7/

AWS DevToolsセットアップ

fooapp

$ wget https://s3.amazonaws.com/elasticbeanstalk/cli/AWS-ElasticBeanstalk-CLI-2.6.3.zip
$ cp -r AWS-ElasticBeanstalk-CLI-2.6.3/AWSDevTools /usr/local/
$ bash /usr/local/AWSDevTools/Linux/AWSDevTools-RepositorySetup.sh

botoセットアップ

$ sudo pip install boto

Rails アプリケーションの AWS Elastic Beanstalk へのデプロイ

Rails アプリケーションの作成

$ rails new fooapp
$ cd fooapp

Git リポジトリの設定

$ git init && git add -A && git commit -m "Initial commit"

AWS Elastic Beanstalk の設定

$ eb init
・・・
$ eb start
Starting application "fooapp".
Would you like to deploy the latest Git commit to your environment? [y/n]: y

Waiting for environment "fooapp-env" to launch.
2014-10-10 15:40:00     INFO    createEnvironment is starting.
2014-10-10 15:40:05     INFO    Using elasticbeanstalk-ap-northeast-1-262470114399 as Amazon S3 storage bucket for environment data.
2014-10-10 15:40:34     INFO    Created EIP: 54.249.242.128
2014-10-10 15:40:35     INFO    Created security group named: awseb-e-vtt2jy47na-stack-AWSEBSecurityGroup-1DYZF4TKYOAYG
2014-10-10 15:41:42     INFO    Waiting for EC2 instances to launch. This may take a few minutes.
2014-10-10 15:45:40     INFO    Application available at fooapp-env-unbndwrs9f.elasticbeanstalk.com.
2014-10-10 15:45:40     INFO    Successfully launched environment: fooapp-env
Application is available at "fooapp-env-unbndwrs9f.elasticbeanstalk.com".

本番環境変数追加

$ rake secret
5f7d10669f7dec9328825965a6ed265169532d330b23fc4908bf030d6b96709efab0f1f897173624e255dba0402e3ddeb9bc3cbec97b0b8ffae92f68f4f99b43

fooapp/.elasticbeanstalk/optionsettings.fooapp-env

・・・
[aws:elasticbeanstalk:application:environment]
BUNDLE_WITHOUT=test:development
PARAM1=
PARAM2=
PARAM3=
PARAM4=
PARAM5=
RACK_ENV=production
RAILS_SKIP_ASSET_COMPILATION=false
RAILS_SKIP_MIGRATIONS=false
SECRET_KEY_BASE=5f7d10669f7dec9328825965a6ed265169532d330b23fc4908bf030d6b96709efab0f1f897173624e255dba0402e3ddeb9bc3cbec97b0b8ffae92f68f4f99b43
・・・

$ eb update

アプリケーションの表示

$ eb status --verbose
Retrieving status of environment "fooapp-env".
URL             : fooapp-env-unbndwrs9f.elasticbeanstalk.com
Status          : Ready
Health          : Green
Environment Name: fooapp-env
Environment ID  : e-vtt2jy47na
Environment Tier: WebServer::Standard::1.0
Solution Stack  : 64bit Amazon Linux 2014.03 v1.0.7 running Ruby 2.1 (Puma)
Version Label   : git-4e2fcc53a1997d2fc38c4d78aa1e299868005a86-1412923196427
Date Created    : 2014-10-10 15:40:01
Date Updated    : 2014-10-10 15:45:40
Description     :
$ open http://fooapp-env-unbndwrs9f.elasticbeanstalk.com

アプリケーションの更新

Rails を使用するようにサンプルアプリケーションを更新するには

$ git add .gitignore && git commit -m "Ignore .elasticbeanstalk from Git"
$ git aws.push
$ rails g scaffold article url:string title:string category:string published:date access:integer comments_count:integer losed:boolean
$ rake db:migrate

fooapp/config/routes.rb

root 'articles#index'
$ git add .
$ git commit -am "Create Application"
$ git aws.push

Amazon RDS を使用するようにサンプルアプリケーションを更新するには

fooapp/config/database.yml

production:
  adapter: mysql2
  encoding: utf8
  database: <%= ENV['RDS_DB_NAME'] %>
  username: <%= ENV['RDS_USERNAME'] %>
  password: <%= ENV['RDS_PASSWORD'] %>
  host: <%= ENV['RDS_HOSTNAME'] %>
  port: <%= ENV['RDS_PORT'] %>

fooapp/Gemfile

gem 'mysql2'
$ git add .
$ git commit -m "update database"
$ git aws.push

クリーンアップ

アプリケーションを削除するには

$ eb stop

Sinatra アプリケーションの AWS Elastic Beanstalk へのデプロイ

fooapp_sinatra

Sinatra アプリケーションの作成

$ hazel fooapp_sinatra
$ cd fooapp_sinatra

Git リポジトリの設定

$ git init && git add -A && git commit -m "Initial commit"

AWS Elastic Beanstalk の設定

$ eb init

アプリケーションの作成

eb start

このままだと_config/initializers_フォルダがレポジトリに含まれずエラーになるのでレポジトリに空フォルダを追加

$ touch config/initializers/.gitkeep
$ git commit -am "add folder"
$ git aws.push

アプリケーションの表示

$ eb status --verbose
Retrieving status of environment "production".
URL             : production-bspwdwmpxe.elasticbeanstalk.com
Status          : Ready
Health          : Green
Environment Name: production
Environment ID  : e-8unr2xqse9
Environment Tier: WebServer::Standard::1.0
Solution Stack  : 64bit Amazon Linux 2014.03 v1.0.7 running Ruby 2.1 (Passenger Standalone)
Version Label   : git-aee0edd5922790e2b0986b729e1c0f628798c7cb-1412931658208
Date Created    : 2014-10-10 17:41:16
Date Updated    : 2014-10-10 18:01:19
Description     :
$ open http://production-bspwdwmpxe.elasticbeanstalk.com

クリーンアップ

$ eb stop
$ eb delete

Ruby 環境のカスタマイズと設定

split-sinatra-example

$ git clone https://github.com/andrew/split-sinatra-example.git
$ cd sqplit-sinatra-example
$ eb init

split-sinatra-example/.ebextensions/myapp.config

packages:
  yum:
    git: []
commands:
  redis_build:
    command: yum -y --enablerepo=epel install redis
services:
  sysvinit:
    redis:
      enabled: true
      ensureRunning: true
container_commands:
  bundle_install:
    command: bundle install --deployment

$ git add .
$ git commit -am "add myapp.config"
$ eb start

Ruby での Amazon RDS の使用

セットアップ

$ hazel fooapp_rds
$ cd fooapp_rds

sinatra-activerecordセットアップ

fooapp_rds/Gemfile

gem "sinatra-activerecord"
gem "sqlite3"

fooapp_rds/fooapp_rds.rb

require "sinatra/activerecord"

class FooappRds < Sinatra::Base
  register Sinatra::ActiveRecordExtension
  set :database, {adapter: "sqlite3", database: "foo.sqlite3"}
  set :public_folder => "public", :static => true

  get "/" do
    erb :welcome
  end
end

fooapp_rds/Rakefile

require "sinatra/activerecord/rake"

namespace :db do
  task :load_config do
    require "./fooapp_rds"
  end
end
$ bundle
$ rake -T

データベース作成

$ rake db:create_migration NAME=create_users
db/migrate/20141013044321_create_users.rb

fooapp_rds/db/migrate/20141013044321_create_users.rb

class CreateUsers < ActiveRecord::Migration
  def change
      create_table :users do |t|
      t.string :name
    end
  end
end
$ rake db:migrate
== 20141013044321 CreateUsers: migrating ======================================
-- create_table(:users)
   -> 0.0024s
== 20141013044321 CreateUsers: migrated (0.0026s) =============================

モデルを作成

fooapp_rds/fooapp_rds.rb

class User < ActiveRecord::Base
  validates_presence_of :name
end

データアクセスロジック作成

get '/users' do
  @users = User.all
  erb :welcome
end

get '/users/:id' do
  @user = User.find(params[:id])
  erb :welcome
end

実行環境の整備

fooapp_rds/Gemfile

gem 'guard-shotgun', :git => 'https://github.com/rchampourlier/guard-shotgun.git'
gem "rack-livereload"
gem 'guard-livereload', require: false

fooapp_rds/config.ru

# Rack LiveReload
require 'rack-livereload'
use Rack::LiveReload
$ bundle
$ guard init shotgun
$ guard init livereload

fooapp_rds/Guardfile

group :server do
  guard :shotgun do
    watch(/.+/) # watch *every* file in the directory
  end
end

guard 'livereload' do
  watch(%r{views/.+\.(erb|haml|slim)$})
  watch(%r{fooapp_rds.rb})
end
$ guard
14:00:14 - INFO - Guard is using TerminalTitle to send notifications.
14:00:14 - INFO - LiveReload is waiting for a browser to connect.
14:00:14 - INFO - Starting up Rack...
[2014-10-13 14:00:16] INFO  WEBrick 1.3.1
[2014-10-13 14:00:16] INFO  ruby 2.1.1 (2014-02-24) [x86_64-darwin12.0]
[2014-10-13 14:00:16] INFO  WEBrick::HTTPServer#start: pid=4927 port=9292

14:00:16 - INFO - Guard is now watching at '/Users/k2works/projects/github/aws_elasticbeanstalk_introduction/fooapp_rds'

http://localhost:9292/

RDS対応セットアップ

_fooapp_rds/fooapp_rds.rb_からset :database, {adapter: "sqlite3", database: "foo.sqlite3"}を削除

_fooapp_rds/config/database.yml_作成

production:
  adapter: mysql2
  encoding: utf8
  database: <%= ENV['RDS_DB_NAME'] %>
  username: <%= ENV['RDS_USERNAME'] %>
  password: <%= ENV['RDS_PASSWORD'] %>
  host: <%= ENV['RDS_HOSTNAME'] %>
  port: <%= ENV['RDS_PORT'] %>

development:
  adapter: sqlite3
  database: db/development.sqlite3
  pool: 5
  timeout: 5000

test:
  adapter: sqlite3
  database: db/test.sqlite3
  pool: 5
  timeout: 5000

_fooapp_rds/Gemfile_編集

gem "sqlite3", :group => [:development,:test]
gem "mysql", :group => :production
$ eb init
・・・
Create an RDS DB Instance? [y/n] (current value is "Yes"):
・・・
$ eb start

デプロイコマンドの定義

fooapp_rds/.ebextensions

packages:
  yum:
    git: []
container_commands:
  bundle_install:
    command: bundle install --deployment
container_commands:
  01-bundle_install:
    command: bundle install --deployment
  02-db_migrate:
    command: bundle exec rake db:migrate
  03-chown:
    command: chown -R webapp:webapp ./

_fooapp_rds/config/initializers/.gitkeep_に追加

$ git add . && git commit -m "Add deploy setting"
$ git aws.push

その他DB設定はRDS付きのBeanstalkを使う際の注意点参照

Ruby での VPC の使用

VPC環境セットアップ

AWS CloudFormationを使ってVPC環境をセットアップする。

cloudformeer.template.fooapp_vpc.json

デプロイ環境構築

セットアップ

$ git init && git add -A && git commit -m "Initial commit"
$ eb init

AWSコンソールで環境セットアップ

001

002

003

004

005

006

007

008

009

010

011

ローカルレポジトリとマッピング

$ eb branch
The current branch is "master".
Enter an AWS Elastic Beanstalk environment name (auto-generated value is "fooappvpc-master-env"): fooappVpc-env
Do you want to copy the settings from environment "production" for the new branch? [y/n]: y
Updated AWS Credential file at "/Users/k2works/.elasticbeanstalk/aws_credential_file".
$ eb start
Starting application "fooapp_vpc".
Some of your option settings are ignored because they don't apply to your environment type.
Environment "fooappVpc-env" already exists. Skipped creating.
Application is available at "production-fooappVpc-env.elasticbeanstalk.com".

アプリケーションセットアップ

アプリケーション作成

$ rails new fooapp_vpc
$ cd fooapp_vpc
$ rails g scaffold article url:string title:string category:string published:date access:integer comments_count:integer losed:boolean
$ rake db:migrate

シークレットキーを環境変数に追加

$ rake secret
ea0f4840d6c3933cf1bab33ad45128a2c543fd1fac229411b5b81cdc7d71821b6c4f832613cd3bc6d8203f16e65521f41574fe446873f7c3956f17d9b72ef905

fooapp_vpc/.elasticbeanstalk/optionsettings.production

・・・
[aws:elasticbeanstalk:application:environment]
BUNDLE_WITHOUT=test:development
PARAM1=
PARAM2=
PARAM3=
PARAM4=
PARAM5=
RACK_ENV=production
RAILS_SKIP_ASSET_COMPILATION=false
RAILS_SKIP_MIGRATIONS=false
SECRET_KEY_BASE=ea0f4840d6c3933cf1bab33ad45128a2c543fd1fac229411b5b81cdc7d71821b6c4f832613cd3bc6d8203f16e65521f41574fe446873f7c3956f17d9b72ef905
・・・

データベースの設定

fooapp_vpc/Gemfile

gem 'sqlite3', group: [:development,:test]
gem 'mysql2', group: :production

fooapp_vpc/config/database.yml

・・・
production:
  adapter: mysql2
  encoding: utf8
  database: <%= ENV['RDS_DB_NAME'] %>
  username: <%= ENV['RDS_USERNAME'] %>
  password: <%= ENV['RDS_PASSWORD'] %>
  host: <%= ENV['RDS_HOSTNAME'] %>
  port: <%= ENV['RDS_PORT'] %>
・・・

タイムゾーンの設定

config/application.rb

config.time_zone = 'Tokyo'

ルーティングの設定

fooapp/config/routes.rb

root 'articles#index'

アプリケーションデプロイ

$ git add -A && git commit -m "Application Setup"
$ eb update
$ eb push

アプリケーション動作確認

012

013

後片付け

$ eb stop
$ eb delete

CloudFormationで構築したVPCも削除する

014

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