default.rb 4.3 KB

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  1. #
  2. # Author:: Noah Kantrowitz <noah@opscode.com>
  3. # Cookbook Name:: application
  4. # Resource:: default
  5. #
  6. # Copyright:: 2011-2012, Opscode, Inc <legal@opscode.com>
  7. #
  8. # Licensed under the Apache License, Version 2.0 (the "License");
  9. # you may not use this file except in compliance with the License.
  10. # You may obtain a copy of the License at
  11. #
  12. # http://www.apache.org/licenses/LICENSE-2.0
  13. #
  14. # Unless required by applicable law or agreed to in writing, software
  15. # distributed under the License is distributed on an "AS IS" BASIS,
  16. # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17. # See the License for the specific language governing permissions and
  18. # limitations under the License.
  19. #
  20. require 'weakref'
  21. include Chef::Mixin::RecipeDefinitionDSLCore
  22. def initialize(*args)
  23. super
  24. @action = :deploy
  25. @sub_resources = []
  26. end
  27. actions :deploy, :force_deploy
  28. attribute :name, :kind_of => String, :name_attribute => true
  29. attribute :environment_name, :kind_of => String, :default => (node.chef_environment =~ /_default/ ? "production" : node.chef_environment)
  30. attribute :path, :kind_of => String
  31. attribute :owner, :kind_of => String
  32. attribute :group, :kind_of => String
  33. attribute :strategy, :kind_of => [String, Symbol], :default => :deploy_revision
  34. attribute :scm_provider, :kind_of => [Class, String, Symbol]
  35. attribute :revision, :kind_of => String
  36. attribute :repository, :kind_of => String
  37. attribute :environment, :kind_of => Hash, :default => {}
  38. attribute :deploy_key, :kind_of => [String, NilClass], :default => nil
  39. attribute :force, :kind_of => [TrueClass, FalseClass], :default => false
  40. attribute :rollback_on_error, :kind_of => [TrueClass, FalseClass], :default => true
  41. attribute :purge_before_symlink, :kind_of => Array, :default => []
  42. attribute :create_dirs_before_symlink, :kind_of => Array, :default => []
  43. attribute :symlinks, :kind_of => Hash, :default => {}
  44. attribute :symlink_before_migrate, :kind_of => Hash, :default => {}
  45. attribute :migrate, :kind_of => [TrueClass, FalseClass], :default => false
  46. attribute :migration_command, :kind_of => [String, NilClass], :default => nil
  47. attribute :restart_command, :kind_of => [String, NilClass], :default => nil
  48. attribute :packages, :kind_of => [Array, Hash], :default => []
  49. attribute :application_provider
  50. attr_reader :sub_resources
  51. # Callback fires before deploy is started.
  52. def before_deploy(arg=nil, &block)
  53. arg ||= block
  54. set_or_return(:before_deploy, arg, :kind_of => [Proc, String])
  55. end
  56. # Callback fires before migration is run.
  57. def before_migrate(arg=nil, &block)
  58. arg ||= block
  59. set_or_return(:before_migrate, arg, :kind_of => [Proc, String])
  60. end
  61. # Callback fires before symlinking
  62. def before_symlink(arg=nil, &block)
  63. arg ||= block
  64. set_or_return(:before_symlink, arg, :kind_of => [Proc, String])
  65. end
  66. # Callback fires before restart
  67. def before_restart(arg=nil, &block)
  68. arg ||= block
  69. set_or_return(:before_restart, arg, :kind_of => [Proc, String])
  70. end
  71. # Callback fires after restart
  72. def after_restart(arg=nil, &block)
  73. arg ||= block
  74. set_or_return(:after_restart, arg, :kind_of => [Proc, String])
  75. end
  76. def release_path
  77. application_provider.release_path
  78. end
  79. def shared_path
  80. application_provider.shared_path
  81. end
  82. def method_missing(name, *args, &block)
  83. # Build the set of names to check for a valid resource
  84. lookup_path = ["application_#{name}"]
  85. run_context.cookbook_collection.each do |cookbook_name, cookbook_ver|
  86. if cookbook_name.start_with?("application_")
  87. lookup_path << "#{cookbook_name}_#{name}"
  88. end
  89. end
  90. lookup_path << name
  91. resource = nil
  92. # Try to find our resource
  93. lookup_path.each do |resource_name|
  94. begin
  95. Chef::Log.debug "Trying to load application resource #{resource_name} for #{name}"
  96. resource = super(resource_name.to_sym, self.name, &block)
  97. break
  98. rescue NameError => e
  99. # Works on any MRI ruby
  100. if e.name == resource_name.to_sym || e.inspect =~ /\b#{resource_name}\b/
  101. next
  102. else
  103. raise e
  104. end
  105. end
  106. end
  107. raise NameError, "No resource found for #{name}. Tried #{lookup_path.join(', ')}" unless resource
  108. # Enforce action :nothing in case people forget
  109. resource.action :nothing
  110. # Make this a weakref to prevent a cycle between the application resource and the sub resources
  111. resource.application WeakRef.new(self)
  112. resource.type name
  113. @sub_resources << resource
  114. resource
  115. end
  116. def to_ary
  117. nil
  118. end
  119. alias :to_a :to_ary