config/mwamko_constants.rb

   1 #    Mwamko  Copyright (C) 2007  Aleksandr O. Levchuk
   2 #
   3 #    This program is free software: you can redistribute it and/or modify
   4 #    it under the terms of the GNU General Public License as published by
   5 #    the Free Software Foundation, either version 3 of the License, or
   6 #    (at your option) any later version.
   7 #
   8 #    This program is distributed in the hope that it will be useful,
   9 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 #    GNU General Public License for more details.
  12 #
  13 #    You should have received a copy of the GNU General Public License
  14 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # Constants of Mwamko are defined here. This includes:
  17 #  * Paths to External Configuration
  18 #  * RAILS_ROOT
  19 #  * WHOAMI
  20 #  * Dependencies
  21 #  * Network Configuration
  22 #  * Safety/Strength contracts
  23
  24 # Mwamko has to be restarted when this file is changed
  25 # Run: ./script/mwamko restart
  26
  27 # Path to External Configuration
  28 EXTERNAL_CONFIGURATION_DIR = '/etc/mwamko'
  29 ALLOWED_EMAILS_FILE = "#{EXTERNAL_CONFIGURATION_DIR}/allowed_emails.list"
  30 require "#{EXTERNAL_CONFIGURATION_DIR}/available_ip_addresses.range.rb"
  31 require "#{EXTERNAL_CONFIGURATION_DIR}/available_local_ip_addresses.range.rb"
  32 require "#{EXTERNAL_CONFIGURATION_DIR}/dns.settings.rb"
  33
  34 # The directory path and the file name of this script
  35 module MwamkoConstants
  36   SCRIPT_DIR = File.dirname(File.expand_path(__FILE__))
  37   SCRIPT_NAME = $0.split('/')[-1]
  38 end
  39
  40 # The path to all files of Mwamko
  41 RAILS_ROOT = File.expand_path("#{MwamkoConstants::SCRIPT_DIR}/..")
  42
  43 # The user that is running Mwamko
  44 WHOAMI = `whoami`.chomp
  45
  46 # Dependencies
  47 VZTOOLS_PATH     = '/usr/sbin'
  48 GIT              = '/usr/local/bin/git'
  49 RUBY_PATH        = '/usr/bin/env ruby'
  50 SUDO             = '/usr/bin/sudo'
  51 TOUCH            = '/usr/bin/touch'
  52 SSH              = '/usr/bin/ssh'
  53 GZIP             = '/bin/gzip'
  54 RM               = '/bin/rm'
  55 KILL             = '/bin/kill'
  56 CAT              = '/bin/cat'
  57 TAIL             = '/usr/bin/tail'
  58 PS               = '/bin/ps'
  59 LIGHTTPD         = '/usr/bin/env lighttpd'
  60 SPAWNER_PATH     = '"/usr/bin/env spawn-fcgi"' # comes with Lighttpd
  61
  62
  63
  64 # Comandline Options
  65
  66 SSH_OPTIONS     = [
  67                    "-o StrictHostKeyChecking=yes",
  68                    "-o UserKnownHostsFile=#{RAILS_ROOT}/tmp/ssh_known_hosts ",
  69                    "-i #{RAILS_ROOT}/tmp/ssh_id"
  70                   ].join(' ')
  71
  72 if !ENV.has_key? "RAILS_ENV"
  73   raise "ENV['RAILS_ENV'] is not set!"
  74 end
  75
  76
  77 if ![:development, :test, :production].include? ENV['RAILS_ENV'].to_sym
  78   raise "ENV['RAILS_ENV'] is #{ENV['RAILS_ENV'].inspect}.\n" +
  79     "That's not a valid Rails Environment."
  80 end
  81
  82 # Network Configuration
  83 #   To learn more run: ./script/process/spawner --help
  84 SPAWNER_PLATFORM = 'fcgi'
  85 RESPAWN_PERIOD   = 100000000 # Repeat spawn attempts every 3 years
  86
  87 #   The following can be configured differently per environment
  88 lighttpd_port                          = {}
  89 lighttpd_port[:development]            = 7000
  90 lighttpd_port[:test]                   = 8000
  91 lighttpd_port[:production]             = 1024
  92
  93 lighttpd_bind                          = {}
  94 lighttpd_bind[:development]            = '0.0.0.0'
  95 lighttpd_bind[:test]                   = '0.0.0.0'
  96 lighttpd_bind[:production]             = '0.0.0.0'
  97
  98 DISPATCHER_URL                         = '/dispatch.fcgi'
  99 DISPATCHER_BIND                        = '0.0.0.0'
 100 dispatcher_starting_port               = {}
 101 dispatcher_starting_port[:development] = 7001
 102 dispatcher_starting_port[:test]        = 8001
 103 dispatcher_starting_port[:production]  = 9001
 104
 105 dispatcher_num_instances               = {}
 106 dispatcher_num_instances[:development] = 5
 107 dispatcher_num_instances[:test]        = 5
 108 dispatcher_num_instances[:production]  = 5
 109
 110 AJAXTERM_BIND                          = '0.0.0.0'
 111 ajaxterm_starting_port                 = {}
 112 ajaxterm_starting_port[:development]   = 7001
 113 ajaxterm_starting_port[:test]          = 8001
 114 ajaxterm_starting_port[:production]    = 9000
 115 # The number of instances will be the total number of available ips
 116 # See: /etc/mwamko/available_ip_addresses.range
 117
 118 # The following code will form Constants out of the development/test/production
 119 # triple local hashes according to the current environment
 120 local_variables.each do |name|
 121   var = eval(name)
 122   if var.class == Hash
 123     finger_print = [var.has_key?(:development),
 124                     var.has_key?(:test),
 125                     var.has_key?(:production)]
 126     if finger_print == [false, false, false] # This is not the Hash the we need
 127       next
 128     elsif finger_print == [true, true, true] # This is the one
 129       new_constant = name.upcase
 130       eval "#{new_constant}=#{name}[ENV['RAILS_ENV'].to_sym]"
 131     else
 132       STDERR.puts "There is possibly a spelling error in the keys of #{name}:"
 133       STDERR.puts "  #{var.keys.inspect}"
 134     end
 135
 136   end
 137 end
 138
 139
 140
 141 # Mwamko is not yet able to manage multiple templates
 142 # that is why this code block returns an array of only ONE element
 143 GET_TEMPLATES    = Proc.new {["debian-4.0-i386-minimal"]}
 144
 145
 146 # Safety contracts
 147 SAFE_PASSWORD    = /\A([a-zA-Z0-9%!@$&*()^# ])+\Z/
 148 SAFE_EMAIL       = /\A[[:alnum:]\+\._]+@[[:alnum:]\-\.]+\Z/
 149 SAFE_USERNAME    = /\A[a-z0-9_]+\Z/
 150 SAFE_VEID        = /\A[0-9]+\Z/
 151 SAFE_UID         = /\A[0-9]+\Z/
 152 SAFE_IP4         = /\A\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\Z/
 153 SAFE_NETIF_NAME  = /\A[a-z0-9]+\Z/
 154 SAFE_PID         = /\A\d+\Z/
 155
 156
 157 # Strength contacts
 158 def PASSWORD_IS_STRONG(password)
 159
 160   # Not a Word
 161   extract_alpha = password.scan(/[[:alpha:]]/).join('')
 162   cmd = "grep -i \"^#{extract_alpha}$\" #{MwamkoConstants::SCRIPT_DIR}" +
 163     "/../lib/dict/words"
 164   not_a_word =
 165     ``.empty?
 166
 167   has_nonalpha = password =~ /[^[:alpha:]]/
 168   long = (password.size >= 8)
 169   has_alpha = password =~ /[[:alpha:]]/
 170
 171   return(not_a_word and has_nonalpha and long and has_alpha)
 172 end
 173