hx/README.md

## README.md

      
    Raw
  

              README.md
            
          
    Run a bunch of processes (e.g. Python-based web services), and bind an additional server to port 80 that encapsulates a list of "bookmark" urls.

  
## bookmarks.rb
#!/usr/bin/env ruby

require 'rubygems'

gem 'thin'
gem 'foreman'

require 'shellwords'
require 'pathname'
require 'yaml'
require 'thin'
require 'erb'
require 'cgi'

class Bookmarks

  HEIGHT = 30

  HTML = <<-EOF
    <!doctype html>
    <html>
    <head>
      <title><%= render data['title'] %></title>
      <style>
        <%= CSS %>
      </style>
    </head>
    <body>
      <nav>
        <ul>
          <% data['links'].each do |name, link| %>
            <li>
              <a href="<%= render link %>" target="viewport"><%= render name %></a>
            </li>
          <% end %>
        </ul>
      </nav>
      <iframe frameborder="0" name="viewport"/>
    </body>
    </html>
  EOF

  CSS = <<-EOF
    * {
      margin: 0;
      padding: 0;
      text-decoration: none;
    }
    html, body, iframe, ul, li {
      height: 100%;
    }
    iframe {
      position: fixed;
      top: #{HEIGHT}px;
      left: 0;
      bottom: 0;
      width: 100%;
      border: none;
    }
    nav {
      position: fixed;
      top: 0;
      height: #{HEIGHT}px;
      left: 0;
      right: 0;
      background: black;
      font: 14px/1 "Helvetica Neue", Helvetica, Arial, sans-serif;
      padding: 0 8px;
    }
    li {
      display: inline-block;
    }
    a {
      color: #aaa;
      display: block;
      padding: 8px;
    }
    a:hover {
      background: #222;
      color: #eee;
    }
  EOF


  def self.run
    new.run
  end

  def run
    make_data_file
    if `whoami`.chomp != 'root'
      escalate
    elsif ARGV.first == 'server'
      run_server
    else
      run_foreman
    end
  end

  def escalate
    puts 'Escalating to root; password may be requested.'
    system 'sudo', '-E', $0, *ARGV
  end

  def run_foreman
    system "echo #{Shellwords.escape procfile_contents} | foreman start -f /dev/stdin"
  end

  def procfile_contents
    {'bookmarks' => "#{File.expand_path __FILE__} server 2>&1"}.merge(data['processes']).map { |line| line.join(':') << "\n" }.join
  end

  def make_data_file
    data_path.write YAML.dump(data) unless data_path.exist?
  end

  def data
    @data ||= data_path.exist? ? YAML.load(data_path.read) : default_data
  end

  def data_path
    @data_path ||= Pathname(__FILE__).parent + 'bookmarks.yml'
  end

  def default_data
    {
      'title' => 'Give your bookmarks server a title!',
      'processes' => {
        'sample' => 'echo Replace this with something you want to keep running'
      },
      'links' => {
        'Home' => 'javascript:alert("Put your links here, or numbers for local ports")'
      }
    }
  end

  def run_server
    Thin::Logging.logger = Logger.new(STDOUT)
    Thin::Server.start '0.0.0.0', 80 do
      run Bookmarks.new
    end
  end

  def render(str)
    case str
      when Fixnum
        render "http://#{host}:#{str}"
      else
        CGI.escapeHTML str
    end
  end

  def host
    @env['SERVER_NAME']
  end

  def body
    @body ||= ERB.new(HTML).result binding
  end

  def call(env)
    @env = env
    [200, {'Content-Type' => 'text/html;charset=utf8'}, [body]]
  end
end

Bookmarks.run if $0 == __FILE__
	#!/usr/bin/env ruby

	require 'rubygems'

	gem 'thin'
	gem 'foreman'

	require 'shellwords'
	require 'pathname'
	require 'yaml'
	require 'thin'
	require 'erb'
	require 'cgi'

	class Bookmarks

	HEIGHT = 30

	HTML = <<-EOF
	<!doctype html>
	<html>
	<head>
	<title><%= render data['title'] %></title>
	<style>
	<%= CSS %>
	</style>
	</head>
	<body>
	<nav>
	<ul>
	<% data['links'].each do \|name, link\| %>
	<li>
	<a href="<%= render link %>" target="viewport"><%= render name %></a>
	</li>
	<% end %>
	</ul>
	</nav>
	<iframe frameborder="0" name="viewport"/>
	</body>
	</html>
	EOF

	CSS = <<-EOF
	* {
	margin: 0;
	padding: 0;
	text-decoration: none;
	}
	html, body, iframe, ul, li {
	height: 100%;
	}
	iframe {
	position: fixed;
	top: #{HEIGHT}px;
	left: 0;
	bottom: 0;
	width: 100%;
	border: none;
	}
	nav {
	position: fixed;
	top: 0;
	height: #{HEIGHT}px;
	left: 0;
	right: 0;
	background: black;
	font: 14px/1 "Helvetica Neue", Helvetica, Arial, sans-serif;
	padding: 0 8px;
	}
	li {
	display: inline-block;
	}
	a {
	color: #aaa;
	display: block;
	padding: 8px;
	}
	a:hover {
	background: #222;
	color: #eee;
	}
	EOF


	def self.run
	new.run
	end

	def run
	make_data_file
	if `whoami`.chomp != 'root'
	escalate
	elsif ARGV.first == 'server'
	run_server
	else
	run_foreman
	end
	end

	def escalate
	puts 'Escalating to root; password may be requested.'
	system 'sudo', '-E', $0, *ARGV
	end

	def run_foreman
	system "echo #{Shellwords.escape procfile_contents} \| foreman start -f /dev/stdin"
	end

	def procfile_contents
	{'bookmarks' => "#{File.expand_path __FILE__} server 2>&1"}.merge(data['processes']).map { \|line\| line.join(':') << "\n" }.join
	end

	def make_data_file
	data_path.write YAML.dump(data) unless data_path.exist?
	end

	def data
	@data \|\|= data_path.exist? ? YAML.load(data_path.read) : default_data
	end

	def data_path
	@data_path \|\|= Pathname(__FILE__).parent + 'bookmarks.yml'
	end

	def default_data
	{
	'title' => 'Give your bookmarks server a title!',
	'processes' => {
	'sample' => 'echo Replace this with something you want to keep running'
	},
	'links' => {
	'Home' => 'javascript:alert("Put your links here, or numbers for local ports")'
	}
	}
	end

	def run_server
	Thin::Logging.logger = Logger.new(STDOUT)
	Thin::Server.start '0.0.0.0', 80 do
	run Bookmarks.new
	end
	end

	def render(str)
	case str
	when Fixnum
	render "http://#{host}:#{str}"
	else
	CGI.escapeHTML str
	end
	end

	def host
	@env['SERVER_NAME']
	end

	def body
	@body \|\|= ERB.new(HTML).result binding
	end

	def call(env)
	@env = env
	[200, {'Content-Type' => 'text/html;charset=utf8'}, [body]]
	end
	end

	Bookmarks.run if $0 == __FILE__