Add the source code for the demo application

jfahrer · jfahrer · commit 86934f2b01e9 · 2018-03-10T18:46:18.000-08:00
[refs #28500babc311]
diff --git a/.gitignore b/.gitignore
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+tmp/
diff --git a/.rspec b/.rspec
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+--require spec_helper
diff --git a/Gemfile b/Gemfile
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+source 'https://rubygems.org'
+
+gem 'activerecord'
+gem 'pg'
+gem 'rake'
+gem 'sinatra', require: 'sinatra/base'
+gem 'sinatra-activerecord', '~> 2.0'
+
+group :development, :test do
+  gem 'rack-test'
+  gem 'rspec'
+  gem 'rspec-core'
+  gem 'rspec_junit_formatter'
+end
diff --git a/Gemfile.lock b/Gemfile.lock
@@ -0,0 +1,69 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    activemodel (5.1.4)
+      activesupport (= 5.1.4)
+    activerecord (5.1.4)
+      activemodel (= 5.1.4)
+      activesupport (= 5.1.4)
+      arel (~> 8.0)
+    activesupport (5.1.4)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (~> 0.7)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+    arel (8.0.0)
+    concurrent-ruby (1.0.5)
+    diff-lcs (1.3)
+    i18n (0.9.1)
+      concurrent-ruby (~> 1.0)
+    minitest (5.10.3)
+    mustermann (1.0.2)
+    pg (0.21.0)
+    rack (2.0.4)
+    rack-protection (2.0.1)
+      rack
+    rack-test (0.6.3)
+      rack (>= 1.0)
+    rake (12.3.0)
+    rspec (3.7.0)
+      rspec-core (~> 3.7.0)
+      rspec-expectations (~> 3.7.0)
+      rspec-mocks (~> 3.7.0)
+    rspec-core (3.7.1)
+      rspec-support (~> 3.7.0)
+    rspec-expectations (3.7.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.7.0)
+    rspec-mocks (3.7.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.7.0)
+    rspec-support (3.7.1)
+    sinatra (2.0.1)
+      mustermann (~> 1.0)
+      rack (~> 2.0)
+      rack-protection (= 2.0.1)
+      tilt (~> 2.0)
+    sinatra-activerecord (2.0.13)
+      activerecord (>= 3.2)
+      sinatra (>= 1.0)
+    thread_safe (0.3.6)
+    tilt (2.0.8)
+    tzinfo (1.2.4)
+      thread_safe (~> 0.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  activerecord
+  pg
+  rack-test
+  rake
+  rspec
+  rspec-core
+  sinatra
+  sinatra-activerecord (~> 2.0)
+
+BUNDLED WITH
+   1.15.4
diff --git a/Rakefile b/Rakefile
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+require File.expand_path('../config/environment',  __FILE__)
+require 'sinatra/activerecord/rake'
diff --git a/app/app.rb b/app/app.rb
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+class App < Sinatra::Base
+  get '/' do
+    Request.create!(ip: request.ip, host: Socket.gethostname, path: request.path, timestamp: Time.now)
+    erb :index, locals: { requests: Request.all.order(timestamp: :desc).limit(25) }
+  end
+end
diff --git a/app/models/request.rb b/app/models/request.rb
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+class Request < ActiveRecord::Base
+
+end
diff --git a/app/public/css/bootstrap.min.css b/app/public/css/bootstrap.min.css
diff --git a/app/public/fonts/glyphicons-halflings-regular.eot b/app/public/fonts/glyphicons-halflings-regular.eot
diff --git a/app/public/fonts/glyphicons-halflings-regular.svg b/app/public/fonts/glyphicons-halflings-regular.svg
diff --git a/app/public/fonts/glyphicons-halflings-regular.ttf b/app/public/fonts/glyphicons-halflings-regular.ttf
diff --git a/app/public/fonts/glyphicons-halflings-regular.woff b/app/public/fonts/glyphicons-halflings-regular.woff
diff --git a/app/public/fonts/glyphicons-halflings-regular.woff2 b/app/public/fonts/glyphicons-halflings-regular.woff2
diff --git a/app/public/js/bootstrap.min.js b/app/public/js/bootstrap.min.js
diff --git a/app/views/index.erb b/app/views/index.erb
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+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
+
+    <!-- Bootstrap -->
+    <link href="/css/bootstrap.min.css" rel="stylesheet">
+
+    <title>Welcome to the sample web app on Docker!</title>
+  </head>
+  <body>
+    <div class="container">
+      <div class="row">
+        <div class="col-md-12">
+          <h1>Welcome to the sample web app on Docker!</h1>
+          <p>
+          If you see this page, the web app is running inside a Docker container!<br />
+          Requests are logged to a PostgreSQL database.
+          </p>
+
+          <h3>The last 25 requests</h3>
+          <table class="table">
+            <tr>
+              <th>Timestamp</th>
+              <th>Client IP</th>
+              <th>Server (Container)</th>
+              <th>Path</th>
+            </tr>
+            <% requests.each do |r| %>
+              <tr>
+                <td><%= r.timestamp %></td>
+                <td><%= r.ip %></td>
+                <td><%= r.host %></td>
+                <td><%= r.path %></td>
+              </tr>
+            <% end %>
+        </div>
+      </div>
+    </div>
+    <script src="/js/bootstrap.min.js"></script>
+  </body>
+</html>
diff --git a/config.ru b/config.ru
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+require 'bundler'
+Bundler.require
+
+require File.expand_path('../config/environment',  __FILE__)
+require File.expand_path('../app/app',  __FILE__)
+
+run App
diff --git a/config/environment.rb b/config/environment.rb
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+require 'sinatra/activerecord'
+require 'erb'
+
+ENV['RACK_ENV'] ||= 'development'
+APP_ROOT = File.expand_path("../app", __dir__)
+
+Dir.glob(File.join(APP_ROOT, 'models', '*.rb')).each { |file| require file }
+
+class App < Sinatra::Base
+  register Sinatra::ActiveRecordExtension
+
+  set :root, APP_ROOT
+  set :raise_errors, true
+  set :show_exceptions, true
+  set :bind, '0.0.0.0'
+
+  set :database, {
+    adapter: 'postgresql',
+    encoding: 'unicode',
+    pool: 2,
+    database: "web_app_db_#{environment}",
+    host: ENV['POSTGRES_HOST'],
+    username: ENV['POSTGRES_USER'],
+    password: ENV['POSTGRES_PASSWORD'],
+  }
+end
diff --git a/db/migrate/20171128082428_create_requests.rb b/db/migrate/20171128082428_create_requests.rb
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+class CreateRequests < ActiveRecord::Migration[5.1]
+  def change
+    create_table :requests do |t|
+      t.timestamp :timestamp
+      t.string :ip
+      t.string :host
+      t.string :path
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
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+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema.define(version: 20171128082428) do
+
+  # These are extensions that must be enabled in order to support this database
+  enable_extension "plpgsql"
+
+  create_table "requests", force: :cascade do |t|
+    t.datetime "timestamp"
+    t.string "ip"
+    t.string "host"
+    t.string "path"
+  end
+
+end
diff --git a/spec/app_spec.rb b/spec/app_spec.rb
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+require 'spec_helper'
+
+RSpec.describe App do
+  it 'returns http success' do
+    get '/'
+    expect(last_response).to be_ok
+  end
+
+  it 'creates a request record' do
+    expect {
+      get '/'
+    }.to change(Request, :count).by(1)
+    # expect(Request.count).to eq(1)
+  end
+end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
@@ -0,0 +1,26 @@
+require 'rack/test'
+require 'rspec'
+
+ENV['RACK_ENV'] = 'test'
+
+require File.expand_path '../../config/environment', __FILE__
+require File.expand_path '../../app/app', __FILE__
+
+module RSpecMixin
+  include Rack::Test::Methods
+  def app() described_class end
+end
+
+RSpec.configure do |config|
+  config.include RSpecMixin
+
+  config.expect_with :rspec do |expectations|
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+
+  config.mock_with :rspec do |mocks|
+    mocks.verify_partial_doubles = true
+  end
+
+  config.shared_context_metadata_behavior = :apply_to_host_groups
+end

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+require File.expand_path('../config/environment', __FILE__)`
	`2`	`+require 'sinatra/activerecord/rake'`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+class Request < ActiveRecord::Base`
	`2`	`+`
	`3`	`+end`