Module: Cheffish

Defined in:
lib/cheffish.rb,
lib/cheffish/version.rb,
lib/cheffish/with_pattern.rb,
lib/cheffish/chef_run_data.rb,
lib/cheffish/key_formatter.rb,
lib/cheffish/basic_chef_client.rb,
lib/cheffish/chef_run_listener.rb,
lib/cheffish/chef_provider_base.rb,
lib/cheffish/cheffish_server_api.rb

Defined Under Namespace

Modules: WithPattern Classes: ActorProviderBase, BasicChefClient, ChefProviderBase, ChefRunData, ChefRunListener, CheffishServerAPI, KeyFormatter

Constant Summary collapse

NAME_REGEX = 
/^[.\-[:alnum:]_]+$/
NOT_PASSED = 
Object.new
VERSION = 
'0.4.1'

Class Method Summary collapse

Class Method Details

.default_chef_server ⇒ Object 



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# File 'lib/cheffish.rb', line 11

def self.default_chef_server
  {
    :chef_server_url => Chef::Config[:chef_server_url],
    :options => {
      :client_name => Chef::Config[:node_name],
      :signing_key_filename => Chef::Config[:client_key]
    }
  }
end

.inline_resource(provider, provider_action, &block) ⇒ Object 



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# File 'lib/cheffish.rb', line 7

def self.inline_resource(provider, provider_action, &block)
  BasicChefClient.inline_resource(provider, provider_action, &block)
end

.node_attributes(klass) ⇒ Object 



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# File 'lib/cheffish.rb', line 23

def self.node_attributes(klass)
  klass.class_eval do
    attribute :name, :kind_of => String, :regex => Cheffish::NAME_REGEX, :name_attribute => true
    attribute :chef_environment, :kind_of => String, :regex => Cheffish::NAME_REGEX
    attribute :run_list, :kind_of => Array # We should let them specify it as a series of parameters too
    attribute :attributes, :kind_of => Hash

    # Specifies that this is a complete specification for the environment (i.e. attributes you don't specify will be
    # reset to their defaults)
    attribute :complete, :kind_of => [TrueClass, FalseClass]

    attribute :raw_json, :kind_of => Hash
    attribute :chef_server, :kind_of => Hash

    # attribute 'ip_address', '127.0.0.1'
    # attribute [ 'pushy', 'port' ], '9000'
    # attribute 'ip_addresses' do |existing_value|
    #   (existing_value || []) + [ '127.0.0.1' ]
    # end
    # attribute 'ip_address', :delete
    attr_accessor :attribute_modifiers
    def attribute(attribute_path, value=NOT_PASSED, &block)
      @attribute_modifiers ||= []
      if value != NOT_PASSED
        @attribute_modifiers << [ attribute_path, value ]
      elsif block
        @attribute_modifiers << [ attribute_path, block ]
      else
        raise "attribute requires either a value or a block"
      end
    end

    # Patchy tags
    # tag 'webserver', 'apache', 'myenvironment'
    def tag(*tags)
      attribute 'tags' do |existing_tags|
        existing_tags ||= []
        tags.each do |tag|
          if !existing_tags.include?(tag.to_s)
            existing_tags << tag.to_s
          end
        end
        existing_tags
      end
    end
    def remove_tag(*tags)
      attribute 'tags' do |existing_tags|
        if existing_tags
          tags.each do |tag|
            existing_tags.delete(tag.to_s)
          end
        end
        existing_tags
      end
    end

    # NON-patchy tags
    # tags :a, :b, :c # removes all other tags
    def tags(*tags)
      if tags.size == 0
        attribute('tags')
      else
        tags = tags[0] if tags.size == 1 && tags[0].kind_of?(Array)
        attribute 'tags', tags.map { |tag| tag.to_s }
      end
    end

    # Order matters--if two things here are in the wrong order, they will be flipped in the run list
    # recipe 'apache', 'mysql'
    # recipe 'recipe@version'
    # recipe 'recipe'
    # role ''
    attr_accessor :run_list_modifiers
    attr_accessor :run_list_removers
    def recipe(*recipes)
      if recipes.size == 0
        raise ArgumentError, "At least one recipe must be specified"
      end
      @run_list_modifiers ||= []
      @run_list_modifiers += recipes.map { |recipe| Chef::RunList::RunListItem.new("recipe[#{recipe}]") }
    end
    def role(*roles)
      if roles.size == 0
        raise ArgumentError, "At least one role must be specified"
      end
      @run_list_modifiers ||= []
      @run_list_modifiers += roles.map { |role| Chef::RunList::RunListItem.new("role[#{role}]") }
    end
    def remove_recipe(*recipes)
      if recipes.size == 0
        raise ArgumentError, "At least one recipe must be specified"
      end
      @run_list_removers ||= []
      @run_list_removers += recipes.map { |recipe| Chef::RunList::RunListItem.new("recipe[#{recipe}]") }
    end
    def remove_role(*roles)
      if roles.size == 0
        raise ArgumentError, "At least one role must be specified"
      end
      @run_list_removers ||= []
      @run_list_removers += roles.map { |recipe| Chef::RunList::RunListItem.new("role[#{role}]") }
    end
  end
end