Class: Chef::Cookbook::GemInstaller

Inherits:
Object
  • Object
show all
Includes:
Mixin::ShellOut
Defined in:
lib/chef/cookbook/gem_installer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cookbook_collection, events) ⇒ GemInstaller

Returns a new instance of GemInstaller.



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# File 'lib/chef/cookbook/gem_installer.rb', line 30

def initialize(cookbook_collection, events)
  @cookbook_collection = cookbook_collection
  @events = events
end

Instance Attribute Details

#cookbook_collection ⇒ Chef::CookbookCollection

Returns the cookbook collection.

Returns:



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# File 'lib/chef/cookbook/gem_installer.rb', line 28

def cookbook_collection
  @cookbook_collection
end

#events ⇒ Chef::EventDispatch::Dispatcher

Returns the client event dispatcher.

Returns:



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# File 'lib/chef/cookbook/gem_installer.rb', line 26

def events
  @events
end

Instance Method Details

#install ⇒ Object

Installs the gems into the omnibus gemset.



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# File 'lib/chef/cookbook/gem_installer.rb', line 37

def install
  cookbook_gems = Hash.new { |h, k| h[k] = [] }

  cookbook_collection.each_value do |cookbook_version|
    cookbook_version.metadata.gems.each do |args|
      if cookbook_gems[args.first].last.is_a?(Hash)
        args << {} unless args.last.is_a?(Hash)
        args.last.merge!(cookbook_gems[args.first].pop) do |key, v1, v2|
          raise Chef::Exceptions::GemRequirementConflict.new(args.first, key, v1, v2) if v1 != v2

          v2
        end
      end
      cookbook_gems[args.first] += args[1..]
    end
  end

  events.cookbook_gem_start(cookbook_gems)

  unless cookbook_gems.empty?
    begin
      Dir.mktmpdir("chef-gem-bundle") do |dir|
        File.open("#{dir}/Gemfile", "w+") do |tf|
          Array(Chef::Config[:rubygems_url] || "https://rubygems.org").each do |s|
            tf.puts "source '#{s}'"
          end
          cookbook_gems.each do |gem_name, args|
            tf.puts "gem(*#{([gem_name] + args).inspect})"
          end
          tf.close
          Chef::Log.trace("generated Gemfile contents:")
          Chef::Log.trace(IO.read(tf.path))
          # Skip installation only if Chef::Config[:skip_gem_metadata_installation] option is true
          unless Chef::Config[:skip_gem_metadata_installation]
            # Add additional options to bundle install
            cmd = [ "bundle", "install", Chef::Config[:gem_installer_bundler_options] ]
            env = {
              "PATH" => path_with_prepended_ruby_bin,
              "BUNDLE_SILENCE_ROOT_WARNING" => "1",
            }
            so = shell_out!(cmd, cwd: dir, env: env)
            Chef::Log.info(so.stdout)
          end
        end
      end
      Gem.clear_paths
    rescue Exception => e
      events.cookbook_gem_failed(e)
      raise
    end
  end

  events.cookbook_gem_finished
end